<?xml version="1.0" encoding="iso-8859-1" ?>
<doc callnum="GB459 .F56b no.83-1">
<metadata>
	<titleStmt>
		<mainTitle nfc="0"><title>Horizontal recession of the coast</title>:<titleExt>the Walton--Sensabaugh method  for hurricane Eloise of September 1975</titleExt>/<respStmt>by James H. Balsillie.</respStmt></mainTitle>
	</titleStmt>
	<authorStmt>
		<persAuthor mainEntry="y"><name type="surname">Balsillie, James H.</name></persAuthor>
		<corpAuthor><name>Florida Office of Coastal Management.</name></corpAuthor>
	</authorStmt>
	<imprint>[<pubPlace>Tallahassee, Fla.</pubPlace>] :<pubName>Florida Office of Coastal Management</pubName>,<pubDate>1983.</pubDate></imprint>
	<classStmt>
		<locClass>
			<subject cat="top">Coast changes</subject>
			<subject cat="gen">Computer programs.</subject>
		</locClass>
	</classStmt>
</metadata>

<text xml:space="preserve">
<pb n="1" />

        H 0R IZ ONrT AL R E C EST 0ON O3F TI1-1 E- CIOAS.T:'THE i4AL.TON --SE:NSABJDAGH
                METHOD FOR H-URR:ICAM:E ELOISE OF- SEPT'EMBER i 9715

                                           by

                                J a ftes H. fla lis i L Li e

                             Ana Lys isIResarch Sect ion
                       Bureau of Coasta--l Data Acq uisition
                         Divisioni of lenaches and Shores
                    F- orida Department of Natural Resources

                                BEACHES AND SHORES
                   'TECHNICAL AND DEEIGN MEMORANDUM NO. 63--i

                                    Felaruar-y 1983

                                     Reviewedi by

                      M eache-:s and ShOTres Resource Center
                    Institute of Sc ienc e and Publ:ic: Affa irs
                            Fl[or idca State Un iiversi tly

                      F I[or i cia Of fi ce of Coast a 1. Manjagemen t
               FI. or idca Depa r tmen t of Env i ronment al. lkeg itat i o-r

                                      Funded by

         A grant from -the U. S% Office L-f Co-astal Zone Managerfenti
            (uneri onaL[ Oceanic and Atfj-os-pheric Administraition
 forme r   (nderthe CoastaL Zone Managemi-ent Act of i972, as amended)
                                       th r ou ghi
                      Fl[or ida Off ice of Coas,:taL Manageme-nt
GB             F Lor ida Departmen-t o-f EnvIronmei-n-tall Regu [at ion-
          459                                  and
.F56b              Fl[or idca Depar tme-nt of Hirt ur  iR.1i   e
no. 83-1
<pb n="2" />

JANZi!2

                              FO REWOR D                                                                           C ONTENTS

          Th 1£ work presents and describes a cowputer mode I for                                                                                    Pagje
     the prediction of duno-bl uff eros5ion due to hurricane impact.
     The work constitutes partial ful lfiLment of conltracturat                           FOREWORD   ..   ....... - .... ....
     ob.)liga tions with the Federal. Coastal. Zone Management
     Program (Coasta I Zonie Management Act of '1972, as amended)                         INTRODUCTION .......... ........ --- ...........''"
     through the 1-torida Office of Coasta I Mantagement s;ubject to
     provisions of contract CM--37 entitled 'Engineering Support                          HURRICANE CONI)ITIONS AT LANDFALL ............2
     Enhancetment Program' (DNR contract no. C0037) . The work
     is adopted as a Beaches and Shores Technical. and Design                             PEAI( STORM SURGE STILL WATER LEVEL ......-....2
     Memorandum in accordance with provisions of Chapter 1 6r-33,
     F. A. C.                                                                             MEASURED EROSION ............-.......4

          At the time of submission for contractural. compl liance,                       PREDICTED EROSION-.......- -........                          6
     James 4. Eta s i [L i e was the Contract Manager, and Adim i n i strator
     of the Anal ysis5/Research Section, Hal N. Dtean was Chief                           SPECIAL ISSUES ..................10
     of the Bureau of Coastal. Data Actuisition. Deborah E. Athos
     was Director of the Division of Beaches and Shores, anti                                   Forward Speed of the Hurricane at Landfal.1  .....0
     Dr. E [ton J1. Gissendanner was Executive Director of the
     Department of Natural Resources.                                                          ShartI.Lj)e Recession as an TIndicator of
                                                                                          Beat: &amp;a. Coast Stabitity                           ............1i4

                                                                                   AFPLIED COASTAL ENGINEERING COMPUTER MODEL .....- -16

                                                                                        Discussion of rje-uired Input..... ...1i7

                                                                                        Results ...........-........20

                                    Deborah E. Flack, Di rector                              Some Coastl Enginee  i eqCniertos2
                   C)     C)  Division of Beaches and Shores                             CLOSUREosiertins..                                           28

             r- Cn)                                                                       REFERENCES .....-.... ....... 29

                               C/Di r-                                                   APPENDIX I.......-.......-....  31

                               Q4          YJ            AFPENDIX ITI................5
                          m

                        CZ

             cri m             C

                      zm
<pb n="3" />

HIORIZONTAL RECESSION OF THE COAST:  THE WALTON -- SENSABAUGH                            pnhidle cost   of Fa          (aut  0  ies west Of P
METHOD FOR HURRICANE ELOISE OF SEPTEMBER 1975                                            City) in September,  1975.  Pre-storm profiles were

by                                                                                       surveyed in October, 1973; post-storm profi les

James H.  Ralsilli e                                                                     were measured within 4 weeks following hurricane impact.
Analysis and Research Section, Bureau of Coastal Data
Acquisition, Division of Beaches and Shores, Department of                               Following the work of Edelman (1968, 1970) and Valianos (1975)
Natural Resources, 3900 Commonwealth Elvd.,  Tallahassee,
FL  32303.                                                                               Wa Lton and Sensabaugh determined before and after average beach

                                                                                    slopes from which a si eple geometric mass conservation model

INTRtODUCTICON                                                                           was derived as illustrated in Figure 1.

     It is desirable -that a successful beach-dune-bluff
                                                                                    HUlRRICANE CONDITIONS AT LANDFALL
horizontal recession prediction methodology is available which
                                                                                         Schwerdt, Ho and Watlkins (1979) report that at Lancdfall
considers all the factors characterizing the nearshore, beach
                                                                                    Hurricane Eloise had the following characteristics:
and coast, and possible storm and hurricane events.  Whilelowing character
                                                                                                    . o ap  =  1.77 inches Hg
considerable work has been accomplished toward this goal,

a comprehensive and successful model has not been demonstrated                                           2. p       28.2 inches H9
                                                                                                   3.  R  =  18.0 nautical miles
to exist.  This is in large part due to the lack of data which
                                                                                                    4. v   =  23.0 knots
quant ify water level, wave and profi Le behavior during extreme                                              f

event impact for a wide range of nearshore, beach and coastal
                                                                                    where &amp;p is the pressure gradient, p  is the central pressure
cond i t ions.
                                                                                                                         0
                                                                                    of the hurricane, R is radius of maximum winds, and v  is the
     However, an importantly viable alternative is to use

simplified methodology for single events, where adequate                                 forward speed.

pre- and post-storm data are available.  The approach
                                                                                    PEAK STORM SURGE STILL WATER LEVEL
accomplishes two goals:  1. it attempts to provide reliable
                                                                                         The peak storm surge Level achieved during Hurricane
results for the characteristics of the extreme event should
                                                                                    Eloise has been subject to some controversy. Chiu (1977)
such an event again strike the same or a simi lar area, and
                                                                                    reports that the U. S. Army Corps of Engineers, Mobile
2. it provides comparative information for derivation of a
                                                                                    District, measured high water marks ranging from +12 to +16
more comprehensive model as data from more storms are
                                                                                    feet NGVD.  lsing numerical modeling techniques, the National
acc uflIlu La 'ted.
                                                                                    Weather Service estimates that the mnaximlum surge at the
     One such method is proposed by Wa Lton and Sensabaugh

(1979) for Hurricane Eloise which struck the northwestern                                                                2
<pb n="4" />

                                                                                            Etay-Watton County Line was about +10.5 feet NGVD (Elurdin, '1977)
          40
                                 -  Measured pro-sltom profile                               Work accomplished by the Florida Department of Natural.
                                   ---eooured Post -3torM PrffiIG
                30 -            ----  --Predicted post-storm profile                         Resource,-, Division of Beaches and Shores (Dean and Ch iu, 19812)

                                                                                            suggests that the peak surge was at about +12 feet NGVD.

          20-                                                                                     An additional analysis is possible using the nickpoint
Elevation                                                                                     concept used in fiuviaL geology (see Figure 1).  A ,sample of
(Ft NGVDj                      --              tr  ug ee S-
           10-              Str-ug ee                                                        69 p r of 1 L es5 in W a It on Co un ty ( 1 e, represent ing the eastern

               Lckporl                                                                      port ion of Wa Lion county, co Inc id inrg w ith rad ius of max i mu

           0-.-.--.-                                                                         winds for the first q uadrant of Hurricane Eloise)

                                                                                             intd ic a t es tha t t he elIe vatii on aof s ig9ni f Icanrvt d e flte ct ion i n

             5 0    0      50    100    150    200    250    300   35                        the slope of the eroded profile has an elevation of +10.36
                        Distance from the DUR Monument in Feet
                                                                                             feet NGVI), with a standard deviation of 0.56 feet.

Figure I.  Illustration of Walton --Sensabaugh geometric constraints for                     Figure 2a ilkustrates that r-esults of the nickpoint analysis
          dune erosion.
                                                                                            represent a randow spatial. distribution (i e., no apparent

                                                                                             trend with distance front the center of the hurr icane).  Th e

                                                                                             nature of the spatial distribution is further substantiated

                                                                                             in Figure 2b which i 1lustrates a good fit to a Gaussian

                                                                                             distribution plot.  Assuming that the niclkpoint is not

                                                                                             significantly altered as the store surge water Level recedes

                                                                                             and any sL uwp ing is recogn ized and accounted for, then the

                                                                                              i ckpo-.irwt analytical procedure appears to provide a

                                                                                             reasonable weasure of the peak storea surge water level

                                                                                             (including setup) for Hurricane Eloise,

                                                                                             MIEASUIRED EROSION

                                                                                                  Frofi ILe data for analysis are selected to represent the

                                                                                             radius of max iwuw wind velocity reported earLier, and linclude

                                                                                             Walton County profi ILes frow R-37 to R-127.  Because there is

                                                                                                                              4
<pb n="5" />

                                I  I                                                 I

            15  *          *    *    a    ,    .                                           a per iod of two years between the prof i Lt  surveys, the
            14 -    n-69                                         _                         possibi lity of non-representat ive profi le conditions at the

Elevation     12- 0                          oveoeO. 36feeI NGVD                             tihle of hurricane impact exists.  Inspection of before and
(Ft NGVD)
(Ft NGVD)     "        -99 -Oo-I- .0,                                                        after prof i le p Lots revea Is cases where post-storm prof i le

            Io__ °°_    00 m -g    '3- D   U .     n&lt;3          =                          conditions could not possibly have been caused by storm
                         0           o           o
            9-
                                       aid dav.a0.56 feet                               impact (e.g., construction and fill activity), or where
             8-

                407   50   60   70   60   90   100  iSO  220  230processes other than onshore-offshore transport were c Learly
                40   50   60   70   80   90    00. 110  i20  130
                     DNR Monument Number in Walton County                                of more importance.  A total of 63 prof I les are used in the

                                                                                   analysis,  where 6 are eliminated from the visual inspection and
Figure 2a. Spatial distribution of the nickpoint elevation.following impact
          of Hurricane Eloise.                                                              21 are unavai lable either because the monument was not

                                                                                   recovered or was destroyed.

                                                                                        Dune-bluff horizontal recession resulting from Hurricane

                                                                                   Eloise is demonstrated in Figure 3a to be random; the

                                                                                   corresponding Gaussian plot is provided  in Figure 3b.  For

                   '3  ·          ·  · . · . · .   ·        ·the coastal segment selected, the average dune-bluff

                   n12-                   -                   _horizontal recession is 53.7 feet with a standard deviation of
                                                                                   12.5 feet.
       Nickpoint  n   --
       Elevation                                                                                 Measured vdlumetric changes between surveys, again,
       (Ft NGVD)
                    °10 -                                                                  exhibit random behavior as illustrated in Figure 4a, closely

                                                                                   verified by the Gaussian plot of Figure 4b. The average

                                                                                   volure  loss is -7.26 cubic yards of sand per lineal foot of

                     81 2  5       20 30 40      8  90 60  98 80                          beach with a standard deviation of 7.16 cu yds/ft.
                      Per Cent Frequency of Occurrence Less Than
                       or Equal to Stated Nickpoint Elevation                             PREDICTED EROSION

       Figure 2b.  Probability plot of data of.Figure 2a.                                        Although Walton and Sensabaugh (1979) state that their
                                                                                   method '.....  was applied for a number of cases in the Florida

                                                                                   Panhandle area and gave reasonable results .....', they did

                                                                                   not publish supporting evidence.  Such evidence is to be

                                                                                   presented here.

                                                                                                                 6
<pb n="6" />

                                                                                                                      50
                                                                                                                      40
Dune-Bluff       too                               vero-ge 53.7 feet                                                     30 -
Horizontal        'vI         o o
                                                                               2Horizontal ° f 20-                                                       averoge -7.26 cu. yd$/tt.
Recession      t    -        ---                                                0 o   Measured                            0 -
  (Feet)         5-                                                                                      Volumetric             0          0        0                       0

                             DNR Monument Number in Walton County                                       mt°
                                                                                                                      30 -                             Id de. 7.16 cu.o  y d. /t.

 Figure 3a.  Spatial distribution of dune-bluff horizontal recession                                                    -40-
              following impact of Hurricarie Eloise.                                                                   .50
                                                                                                                           40    50    60    70    80    90    100   110   120   130
                                                                                                                                   DNR Monument Number in Walton County

                                                                                                       Figure 4a.  Spatial distribution of the measured volumetric change
                                                                                                                    following impact of Hurricane Eloise.

                        90   .                             -                 - I     '0

                        80-                                            /

                        70 -

       Dune-Bluff                                                                                                                40
       Horizontal       60-                                                                                                       30-
       Recession                                                                                                                  20-
          (Feet)        50-                      0 °
                                                                                                                 Measured
                        40-                                                                                      Vol unletric    -10
                                                                                                                  Change
                                0  9 (                                                                          (cu yds/ft)    -20
                        3c                                                                                                      -30-

                        20                                                                                                          1 2   5  10  20 30405060 70  0 90  9095  98 99
                          1 2   5  10  20 30 40 50 60 70 80  90 95  99 99                                                            Per Cent Frequency of Occurrence Less Than

                            Per Cent Frequency of Occurrence Less Than                                                                  or Equal to Stated Volumetric Change
                                   or Equal to Stated Recession
                                                                                                               Figure 4b.  Probability plot of the data of.Figure 4b.
        Figure 3b. Probability plot of data of Figure 3a.

                                           7                                                                                                         8
<pb n="7" />

     D)ue to the colp Lexity of topographic conditions, it is                               The average predicted volumetric loss using the Walton-

not possible to assess the success of the prediction method                            Sensabaugh method is -7.85 cu yds/ft (a standard deviation of

for Hurricane Eloise using -iuantitative mathemfatical mea„ns.                       only 0.31 cu yds/ft), which deviates from the measured

However, qualitative assessment from visuaL inspection yields                          average Loss given earlier by a reasonably small value of

the summarized results of Table 1.  As noted in Figure I                              0.69 cu yds/ft.

the upland extent of the Wal ton-Sensabaugh horizontal

recession is indicated as a vertical Line.  In nature, however,                        SPECIAL ISSUES

the slope of this Line is seldomr vertical.  The assessment                                 Several considerations regarding the Watton-Sensabaugh

factor of Table I ,therefore, represents the absolute                                 method for Hurricane Etoise and other reLevant issues as

distance that the predicted vertical recession line mtrust' he                         they pertain to coastal engineering applications deserve

moved horizontally to closely represent actual recession.                             special attention.  Discussion follows.

 Table I. Assessment of HorizontaL Recession Predictionn                              Forward Speed of the Hurricane at Landcfal
          Using the Walton-Sensabaugh Method.
--------------- .---.-------------------------.........                                     Various investigators (Dean, 1976; van de Graaf, 1977;
     Goodness  of       Number          Acc um.  Assessment
 Dune-BLuff Recession    of        Per    Per        Factor                           Hughes, 1981; Hughes and Chiu, 1981; Kriebel, 1982) have
      Prediction       Profiles   Cent   Cent       (feet)
------------ .-------. -.---------------                                          noted a relationship between storm duration upon Landfall
      Excellent           22       34.9   34.9      0 to 3
        Good              13       20.6   55.6      3 to 6                            and the extent of horizontal recession.  Generally, the
      Moderate            22       34.9   90.5      6 to 12
        Poor               6        9.5  100.0    12 to 1I                            Longer the storm event impacts the shore, the greater the

                                                                                    horizontal recession.

                                                                                         If, for comparative purposes, one assumes that the peak

     Results of the Walton-Sensabaugh method are provided,                           storm surge is approximateLy maintained for twice the radius

profi e-by-profi e, in Appendix I.  When reviewing plots                              of maximum wind, then for Hurricane ELoise the peak storm

in Appendix I, the reader is rerminded that the pire-stormf                           surge will have impacted the panhandle coast for 1 hour and

i.urvey was made 23 ,months prior to hurricane impact.  Hence,                        34 minutes.  It is to be noted, however, that Hurricane ELoise

actuaL profile cont figurat ions mlay not have been as represented                    had a significantly high forward speed (23 knots at Iandfa l.).

by the 1973 survey, which may account for sonme of the deviation                      The probability plot of Figure 5 includes data for 74 Gulf

between lmeasured and predicted horizontal recession.                                 Coast hurricanes at landfall (data fromn Schwerdt, Ho and

                                                                                                                  I 0
<pb n="8" />

                                                                                     Watkins, 1979), and shows that at Landfall the median forward

                                                                                     speed of a GuLf Coast hurricane is 10 knots.  Hurricane
                     0 Gulf Coos! Hvrlcone (1900-1978) n 74
               40 -   0 Eost Coca Hsrficot.es(1900-1978) n /7  _                         Eloise exceeded the expected average forward speed by 230%;

                                                                                     In fact, there is a 97X chance that the forward speed should
Hurricane        -
 Forward                                                                                 be less than the 23-knot forward speed recorded for Eloise.
  Speed
  (knoSpeed    20-                                                                       If, by applying the same assumption used above, Hurricane

                                                                                     ELoise had a wmaximum, wind radius of 18 nautical miles, but

                                                                                     with a forward speed of 10 knots, then the peak storw surge

                   I 2  5  l0  20 30 40 500o 70 0 90 95 98 99                           would have been 3 hours and 36  minutes.  Hence, for the latter

                  Per Cent Frequency of Occurrence Less Than                             case one would expect more horizontaL recession.  K riebeL
                      or Equal to Stated Forward Speed
                                                                                     (1982) notes that, in terms of the surge, Hurricane ELoise

Figure 5. Probability plot of the forward speed of hurricanes for                         was probably not a 100-year event, but wore nearly represents
         the East and Gulf coasts (data from Schwerdt, Ho and
         Watkins, 1979).                                                                 an event Lying between a 75- and 100-year occurrence; Dean

                                                                                     (personal communications) suggests that in terris of erosion,

                                                                                     Eloise represents about a 40-year event.

                                                                                           How much more horizontal recession should be expected for

                                                                                     the Latter case suggested above is not known with certainty.

                                                                                     However, it is strongLy suggested, from studies cited earlier

                                                                                      in this section, that peak storm surge duration and dune-bluff

                                                                                     volumetric erosion are not Linearly related.  The

                                                                                     relationship is usually represented as exponential (Figure 6);

                                                                                     more precise knowledge about the behavior of such curves

                                                                                     will be possible only after the collection of more data for

                                                                                      for a variety of storwe and hurricane i mpact intensities and

                                                                                      coastal, conditions.

                                                                                                                    12

                               11
<pb n="9" />

                                                                                   Shorealine Recession as an Indicator of Beach and Coast
                                                                                   Stab i ity

                                                                                        The Bureau of Coastal Data Acquisition has one of the

   AV\                                                                                    fMost intensive programs of profi le data acquisition in the

                              Cumulotive Volume Dune                                     United States (Sensabaugh, Balsillie and Bean, 1977; Balsillie,
                  I a  ZRecession, AVe                                                  1982a, 1982b; Pentluite, Bean and Balsillie, 1983).  The profile

                                                                                   surveying program is concentrated about two efforts.  The first

             /         -....-Role of Dune Recession, AVe / Al                            is collection of profile data represent ing norsna  ly encountered

                              -  __.                                                    beach and coast conditions which are used to establish

                               -Time  (t)-----                                         regulatory Coastal Construction Control Lines and, wore
                               -Time {t)---
                                                                                   recently, state-wide condition surveys. Second, the Bureau

Figure 6. Time dependent erosion trends (after Hughes and Chiu, 1981).                    surveys post-storm profi Les in accordance with the Shoreline

                                                                                   Emergency Reaction Function (SERF) of the Division of Beaches

                                                                                   and Shores.  Regarding such data, several issues require

                                                                                   discussion.

                                                                                        In siwmplest coastal engineering terwinology, horizontal

                                                                                   recession tmay be regarded as either short-termf or long-term.

                                                                                   Short-terma horiiontal recession results frow, storm or

                                                                                   hurricane impact; long-term horizontal recession occurs as

                                                                                   the result of refraction-related longshore and onshore-offshore

                                                                                   transport processes and because of eustatic sea Level rise.

                                                                                        Now, while for the detertmination of tong-terfm recession

                                                                                   rates the position of the shoreline is often used, one must

                                                                                   be very careful when using post-storm, information as

                                                                                   comparative data.  The reason is straightforward: storm.s

                                                                                   frequently cause a seaward shift in the shoreline location

                                                                                   due to dune-bluff erosion.  The seaward shift is quite

                                                                                   obvious for Hurricane Eloise.  Figure 7a illustrates the

                             13
                                                                                                                 14
<pb n="10" />

                                                                                random spatial distribution of the shift for the study

aW 2I sid. day.= 40.1 feet                                                                area; Figure 7b provides the probability plot.  Eloise

   seaward                            a     overaoe' + 24.4 etat  resulted in an average seaward shift of the shoreline of
          100-o     o                            :
               °P --- O -      -o        -       --a-e-0--'--                          24.4 feet, with a high standard deviation of 40.1 feet.
U)    o --                 - - ----- --- --- ......  ..
                   _ V -G--     0- -                                                   The rather large amount of scatter in the data may be due to

  Llandward-loo -                                                                        the 23-month period between surveys, but the results

              40   50   60   7 0    so   90   00   10  120  130                         never-the-less demonstrate that one must be careful when
                    DNR Monument Number in Walton County
                                                                                using post-storm profi les to determine long-term recession

Figure 7a. Spatial distribution of the shoreline shift following impact of                rates where the shoreline is the reference contour.
         Hurricane Eloise.
                                                                                     When considering erosion of the beach (i.e., note that

                                                                                this model is primarily for horizontal recession of the coast),

                                                                                one must recognize that vertical recession (i.e., scour) of the

                                                                                 inundated portion of the profi le wi iL be greater cluring  than

                                                                                following storem impact, due to post--store recovery.  The WANDS

               150   computer model accounts, to some extent, for post-storm

                                                                                recovery (i.e., 3 to 4 weeks following impact), but does not
               100-                               s
    L  seaward                                                                           allow for prediction of scour.
                50-
                                                                                APPLIED COASTAL ENGINEERING COMPUTER MODEL

    a,           o-           _snl The Walton-Sensabausgh (WANDS) method for prediction of

    '  landward -50   dune-bluff horizontal recession result ing from a Hurricane
    o
                                                                                Eloise type event has been programmed to support the coastal
              - t00
                  l 2  5  10  20 3040506070 80  90 95 9899                              engineering needs and responsibilities of the Division of
                   Per Cent Frequency of .Occurrence Less Than
                     or Equal to Stated Shoreline Shift                                Beaches and Shores.  Computer programs in support of the task

                                                                                 are written in AFL (i.e., A Programrming Language) and
    Figure 7b. Probability plot of data of Figure 7a.
                                                                                 supported by the Natural Resources Management Systems and

                                                                                 Services data center's IBM 4341 Model Group II processor.

                                                                                 APL programs written by the author for dune-bluff recession

                                                                                 prediction are listed in Appendix II.
                              . 15
                                                                                                                  1X
<pb n="11" />

                                                                                                                              (WIa Lion --- Sensabaurh Miethod)

                                                                                                                                     ii)RliAT'  INPUTIf  FORM
Disrunion Of Requiried Input

       Data requtired  for the WANDS computer model. are Listed                                                     OF S HM( E PROMFIA-C, I NF-ORM AT r1ON

onl the data  input form of Figure ft.  Somre cli sulssion- of the                              E x pon  Ient:      Sca le Farctor  [--5Y Survey Date *.LL.-

.data  is necessary.                                                                                                                                      t moy
                                                                                                                                    ONSHOREE PROFILE IDAiFA
       Offshore profiLe ii-iformat ion may be obtained  from the                                            u... st (lata from1)  the sho 11    L  i II  I  I up anIId
                                                                                                                  Dist     E tov        R iSt    ELev          1)i :1    E Lev
Beache s and Shores Technica l and Design Memorandum No.                                               (ft)      (fl          (fL)      ( ft         ft)4    (ft

82-4-11 (Efatsil Lie, ilBlb).  If not yet availLable La,                                                                              NI DMV
                                                                                                                     0        0-  11  Zs4,S    tzi,2   1
programming has been deve Loped to determine exponent                                              2             -.44    12  9-i   47    22
                             i  h   f f i i  t    d  t  f f i i  t                                        zs         43 -7   13  2N       215.f  23    __
                                                                                                             4 s&amp;$2 ....i1  ..   ..
   ruirin  as ipt d istne  mesrd fro  t he   o     L l.y                                             5           1.0-7    16  2___               6-

                             If i s t II q  s h a r e                   7 yj.5,                                       L    17                      27

                                                                                                              9            25 k,   19                     29
corresponding number of depth va lues as- discussedl in                                           i (      P    .24..    20                     30

Beaches and Shares Technica l and Design Memorandum No,                                          survey Date./,        175           Prof i Le Type:

82-1-:( (Baf5itiie.  i982a).  Distance-depth data pairs                                                          d  ie)y

shou Ld be entered at a constant spac ing of not greater than                                                           -CTOINRMIN
                                                                                                                   i) NR R ef M ooI: .2--!P   Coaunt..I y Name:
50    feet.                                                                                                                                                 ----- -

       Terfaina L input of onshore prof i le data  is required since                  Deg    is 5  -tane range   is Located                      (4'./or   M .
                                                                                                            (e9 145 ft wethfsec ri f is edre oo)t
pre- and post-construction profiLe data subitmitted with,  for                                    145                                        1 )I
                                                                                                           Di stance from. yhlorei ol3t   CL    3
instance a permit appLication, wiLL invariably not be                                                                   tnlaCt,

Coi c i dent with DNR reference mtonuiment [orations at-d,  therefore                                                DIITAV:11-(1Jf)].tj

with DNR profi les.    'Profi Le Type'  includes either a pre- or                                F i L.e I.0. 1)                   .sport l  Lo ee

post -ronst rtic t i on d esc ri p tor ( i e. e,  enteprod a s 'Pre-Const *or                                  frIptDt

 'Post-Con-5t , or soe other Pert inent descr iption).
                                                                                                                 S to()rm(I  Surce   R..e turn  I              C ( oI rc e
       Deot e rm(aina tio oiI)af 'D is t a Ic  r ange   i s fl-nilm til e R ef M ao'  i s                E I vva tio ao  oct -I

t he a I.onrkg!tio ar e dti rIc t i cmI anIId dis t anIc e t he r angeq   ( i . F,,   thife                 N    V    D    Year5

pr-o f i I e foar w h i ciih thI e finto L)d     is!- to- b e a pp  ie-d ) isv fr-om the C

nearest Di4R rnference ei-noument (F igllre 9).  Ranges jsho Lit                                 4        ---.         .     ..-.-         -.-... ....... .

b e s e I. ec t ed A ,s shoare -IIoar IIa L p ro0f i L e .  The, comfpas di rect i ion
                                                                                                        Figure 8.  Required input data and data input form.

                                      17                                                                                              ia
<pb n="12" />

                                                                                    indicator (i.e.,  N = north, S = south, E = east, W = west,

                        Selected  Profile  .                                             etc.) will, generally, be N or S for the east and lower Gulf
                        Locolion is given
                        sLocaion   given W145                                            coasts and E or W for the panhandle coast.  The use of more
                        as  W145
                                                                                   specific compass direction Indicators, such as NE for
                       Upland R-1
                                              ,   145fl. -[                            northeast, are encouraged,

                     CC CL                                                                     Tn -n many cases onshore topograph ical Informat ion wi II be
         R-100
                                              _I13Jf e                                 ava i lab le only to the mean h igh water l ine (Mi-IWL).  There will

                                                                                   be a need, therefore, to determine the addtional distance from
      Dune
       Line                                                                                the MHWL to the shoreline (i.e, 0 NGVD), in order to obtain
                     Beach
                                                                                    the 'Distance from Shoreline to CCCL- (i .e, CCCL is the Coastal

                                                                                   Construction Control Line).  The foreshore slope can be used to

                                                                                   determine the additional distance, since the berm crest is a

                      Offshore                  wreasure of the MHWL.  Table 2 lists foreshore slope data

                                                                                   compi led for the Florida panhandle coast.  Characteristic

Figure 9.  Example of determination of "Distance Range is from Ref Mon"  (see                foreshore slope information for other coasts wi Ill need to be
         Figure 8).
                                                                                    compiled from existing studies and published literature.

                                                                                        Other required data on the form would appear to be

                                                                                   straightforward.'

                                                                                   Results

                                                                                         Four output formats are available from the dune-bluff

                                                                                    hor i zontal recession computer model.

                                                                                         Figure 10 illustrates the format of the plotted results

                                                                                    where the solid line represents the pre-recession profile,

                                                                                    the dashed line depicts the eroded profile, and the

                                                                                    dash-dot-dash  line is the storim surge still water level.

                                                                                    The horizontal scale Is set at 1 inch = 50 feet, the vertical

                                                                                    scale at i inch = 10 feet.  Plots are formiatted to provide a

                                                                                                                 20
                               19
<pb n="13" />

                                                                                                                                                                                                                                       IN)    &lt;        -                     .0,

                                                                                                                                                         en               0oooc

Table 2.  Foreshore Slope Statistics for Florida Panhandle Coast.1                                                          vrg

                                                   1969                                    1970                              otl
   Station      C      ttstb Mnhy_
                                         Sept. Oct.  Nov. DecI Jan.  Feb. ,far. Apr.   May  Jun.  Joly  Aug.                Mean                       V)

St. A dre.-s Mean For-nhor. Slope  8.7    6.0  6.4  5.9    5.0  8.4  4.9   S.3    5.1   5.4    7.0   6.9                      7.0                       0
State Park      Std. Deviation,           3.95   2.08 2.54 2.01  2.01 1.23 1.92   1.6S   1.01   2.951   .56  1.16                                       M
                                                                                                                                                         CD
                No. Obsorvations          2S     30    2S   20   29        26    17   17      21  is         27     30                                                                                               i

Groyton          eoo Faroshore Slope 11.8    8.1  7.5  7.S    8.0  6.0  3.0    5.0    7.1    6.7    7.0    7.0                7.2
State Park      01t1, Deviation       5     .69  2.30 2.27 1.60   1.43 I.S6 1,10  1.52  3.08  2.28  2.54   1.63                                         -h               II
                No. Observations   .-26    30           28   29   31       28   30    28      30      27     28    27                  -I                       -
                                                                                                                                                         (D

Crystal         140a0 Foroshoro Slope   7.6    0.0  7.6  8.8   8.4  7.2  5.8   8.3    8.7    8.5    0.1    9.1                8.1                       a
B ...h          Std. Deviation            3.15  3,61 2.45 3,52   2.80 3.31 2.54   2.27   2.67   3,23   1.88  2.70                                       1
                No. Observations          30     29     27   20   30    26    29   30         31     20      21     160

J.C.  0,051CC  Moan Poreshoro Slope               7.8  7.0  4.2    4.6  2.6  2.7              12.1  10.0   11.8  12.9
Stat            e P ark  Std. Deviation  -         .22 2.78 2.5 9   3.41 2.10 1.96 ----    3.70   2.89  3.40   2.89                                     a
                No. Observatio n s        --     29     21   20    25    24   21              25      30     28    31

Navarre       Mano PForeshore Slop  ----  10.7   9.7  8.0  10.3   9.4  9.0   9.3   10.5    6.3   9.3    9.0                   9.3
Btah            54td. Deviation          - --- 3.50 4.40 4.13  2.57 2.80  4.02  3.78 3.79  2.3.   4.47  3.94
                No. Observations          -- 12        20    22 2 6    19  24 30              30      28     28    31                                                   0

Fort Piokes  Moano  orshor. Slope   9.0 1 0.3----------         -    -          - ---9.8  10.9  11.4  10.9  10.8   11. 7 10.6
State Park      Std. Deviation             2.6            4 4.44 --2.80    3.66  4.66  3.25  2.79  3.37                                                o-i
                No.0bser- -tionm          25               1230   2-4    29                         30      31    31

  Reportedi  in  degrees.-
  Data  from  Balsillie  (197 5)
                                                                                                                                                                 VD
                                                                                                                            ·-                   .-
                                                                                                                                                                      m

                                                                                                                                                                                                             CY
                                                                                                                                                                                                0          j          I
                                          Beach   Std.Deviorion 3.15   3.61215  3.52   280 3.31 254   2.27  2.7   J.ZJ   1.0                                                                              /          I                                          -m

                                                                                                                                                                 -.. 1bservntionl  00 29    27   28   50    26   29   30    31    30    51  16                          f

                                                                                                                                                                                                                                         IC

                                                                                               2                           U)
                                        Srare Prk  Std  Ocviaion   ---  3.22  .78 2.9  3.41  .1(1 196 ---  3.70  289                                             1                                    I              .                                          I
                                                              No. Obscrv     ricn    --    29    21   25   25    23   21   --    25    30    28    51                                                                 I                                         -

                                        Navarre                                                         1 .ea                                                                                                                                                       -0.0r lp  --   0797851.59490951.  639390 93r

                                                                                                                                                                        J                                                                                           1

                                                                         N                                                                                                                                                                                             0

                                                                                                                                                                                          ID                      I'

                                                                                                                                                                        r,    f.N
                                                                                                                                                                             -              I                                                                    ''

                                                                                     21                                                                                                   1/
<pb n="14" />

                                                                                                  FLORIDA DEPARTMENT OF NATURAL RESOURCES
                                                                                                      DIVISION OF BEACHES AND SHORES
worksheet on which project dimensions and elevations, and                                              BUREAU OF COASTAL DATA ACQUISITION
                                                                                                     DUNE-BLUFF RECESSION PREDICTION
engineering assessments May be drafted.  Additi ona  p ots                                               (WaLton -- Sensabaugh Method)

are automati caLLy generated shou ld more' than one p Lot be                                              ADMINISTRATIVE INFORMATION

required to adequately represent a given range.                                           F i Le Number .       .....          ........ .......................... Test
                                                                                       Responsible for Data Input .............. James H. Balsillie
     Pertinent input and administrative information and                                  Initials ................................
                                                                                       Date Job Compteted (mo/da/yr)    , ... _   ..............2 2 19132
horizontal recession results are printed in standard format                              ---------------_ _-----------------------

(including a key to the plots) as i llustrated by Figure 11.                                                    INPF'U  INFORMATION

Certain terms appearing on Figure 11 which may be ambiguous,                              A. OFFSHORE PROFILE DATA
                                                                                          Exponent (i.e., Shape Coefficient) ......... ......6667
are defined in Figure 12.                                                                    Scale Coefficient                       ..........1..................i54
                                                                                          Date of Frofite Survey ......1....             ...1 73
     Entered onshore profi te data are Listed by a third
                                                                                       B. ONSHORE PROFILE SURVEY
report (Figure 13), and are referenced to both the shoreline                                 Date of Profi le Survey ............................11  75
                                                                                          Profi Le Type .                                      e........................ Pre--Const
and the CCCL.
                                                                                       C. STORM SURGE DATA
     Where offshore power curve fit data are not yet                                        Storm Surge ELevation (ft NGVD) ....................36
                                                                                           Storm Surge Return Period (years) ....0 ..............
avai Lab e from Beaches and Shores Technical and Design                                      Source of Inforwation ...........no.....              ....JHB

Memorandum No. 82-1-II (Batsi ttie, 1982b), one may enter                                 D. DNR REFERENCE MONUMENT INFORMATION
                                                                                           DNR Reference Monument I.D ...............R-123
appropriate data from which the results of Figure 14 are                                     County ......................................WaLton
                                                                                           Range to Mon Distance (ft) ........
produced as a fourth report.                                                                 CCCL to Shoreline Distance (ft) ................8134.8
                                                                                      ---------------------------------------------------------------

Some Coastal Engineering Considerations                                                       PREDICTED F:ESULTS FOR HORIZONTAL DUNE-BLUFF RECESSION

     AppLication of the WANDS model requires the                                         Erosion Distance Measured from the ShoreLine (ft) .        .... 23.3
                                                                                        Erosion Distance Measured from the CCCL (ft) ......11.5
consideration of two issues:  i. the model is calibrated to
                                                                                        Angle of Eroded Surface (tangent) . ...... 0.06289
provide average dune-b Luff recession va ues, and 2. wh i le the                          Angle of Eroded Surface (degrees) ..................3.603

storm surge Level of Hurricane Eloise approaches                                          Volume of Sand Deposited Offshore (cu yds/ft) ...... 8.662
                                                                                        VoLume of Sand Eroded from Upland (cu yds/ft) .         ....8.85
that of the 100-year event, the amount of d:lne-bluff
                                                                                        Offshore Profi Le Closeout Distance (ft) ..............1
recession does not.  Due to the significantly high                                        Offshore Profi le Closeout Depth (ft NGVD) ............5.

forward speed of Eloise, dune-b uff recession was probhably                                KEY TO THE PLOT(S):
                                                                                             Solid Line -- Surveyed P:rofi Le
[oes  than is to be expected fromn a  L'tower average forward                                  Dashed Line -- Eroded Profi Le (Predicted)
                                                                                             Dash-dot-dash Line --- Storm Surge Water Level
sp eecl .
                                                                                      Figure 11. WANDS dune-bluff recession results:  the data listing.
                               23                                                                                      24
<pb n="15" />

 *10
                                                  0  It Iran  0-13I                                               ONSHORE FROFILE SUrRVEY DATA
E                                              UopI Sara  Data: v a                                        County:  WaLton
                                                                                                         Ferot i t I D.0.   Test
 10                                                                                                       Profite Location:  0 ft from R-123
e                                                                                                          Profi Le Survey Date (da/oto/yr):  il 75

                                                                                                             Distance        Distance         Elevation
 i20                                  - racascionUp Land                                                                         froot
                                        o     dkt.snca           stalin ouraje                                  frot          -the CCCL
                                                                                                             Shore Line
F- -            -               -              -                - ---------- -                                  (feet)  (feet)  (feet NGVD)
 to                                                   clot-ut dlstancl ---I
                                                       asia           -*  coona   oda                 e           .00       134,80                 .00
                                                                                                               34.80         _100.00             3.44
                               our race-                                                                        72.131')        162.00             5.77
G O  -Z i "n E i- -                                                                                             76.80           -513O8            10.39
v                                                                                                               84.00           -50.O0            10.76
                                                               dapth                                          110,80 i24.00                     20,79
                                                                                                              134.80              .00           22.01
   200          -too            0             t 000                        3 0 0                               1A5.00            11I00           26.02
                                                                                                              150.80           16.00            26.28
                      Distance  from tha CCCL  in Feet                                                        155.80            21,00            24.42
                                                                                                              184.80           50.00            22.11
                                                                                                              234.80          100,00            21.97
Figure 12.  Definition Sketch.                                                                                  287.00          153.00            21.52

                                                                                                          NOTE: -ye distances denote Locations upland
                                                                                                                 of the CCCL.

                                                                                                        Figure 13. WANDS dune-bluff recession results:  onshore
                                                                                                                  profile survey data.

                                    25                                                                                       25
<pb n="16" />

                                                                                              In terfas Of coastal engineeoring applications, the first

ENTER OFFSHDRE DISTANCES:                                                                   Issue is straightforward.  Average dunie-bluff recession

  50  100  150  200  250  300  350  400  450  500  550  600                                 Occurring In the region of radius of wax imum wit-ds of Eloise
 650  700  750  1300  850  900  950 1000 1050 1100 1150 1200

 ENTER CORRESPONDING ELEVATIONS AN +VE VALUES:                                               was 53.7 feet with a standard deviation of 12.5 feet.

  2.03 6  3.232  4,235  5.13   5.953  6.722  7.45    8 143                                  Figure 3a illustrates that about 80% of the measured recession
  8.808  9.449 18.07  10.67  11.26  11,83  12.38  12.93
 13.46  13.98  14.5   i5       15.5   1 5.98  16.46  16.94                                  values are within + one standard deviation of the average.
                                                                                         The coastal engineer, therefore, way find it prudent to

CoUntY        -       ------- Ref Mon I.D.- --- Survey Date                                 consider sorrie additional recession depending on local

                          EYPDNENT        EXPONrENT FIYE.D AT 2k/3                        condIt ions and proposed design constraints.
                         N 6T,-Y FID---
                                          D IRECT    LOCARITFIMIC                               The second issue is wore difficult to assess, since
                                          METHOID       MIETHOD
                                                                                         there are present ly no wethods ava ilab le by which to
Scale Coefficient;          0.15             0.15          0.15
Exponent:                   0.6667          0. 6667        0.6667                           deterwine the additional awount of expected recession.
Correlation Coefficient:  0.9939             0.9939        0.9939
RMS Errcrr:                 i.327E--3        7.603E1i5    5.174F-15                         Again, however, the coastal engineer efight consider ane
                                                                                         additional amount of recession which, based on overall

                                                                                         Project conditions, wou Id appear prudent to inc lude.
Figure 14. WANDS dune-bluff recession results. offshore power curve values.
                                                                                         CLOSURE

                                                                                              The Walton - Senisabaugh wethod for the prediction of

                                                                                         dune-btuff horizontal recession due to the impact of a

                                                                                         Hurricane Eloise type event has been assessed, based on data

                                                                                         measured within the region of impact (i.e., first %Uadrant

                                                                                         of the hurr icane.  The WANDS computer model should be app lied

                                                                                         on the basis of this assesswent.

                                                                                              The computer approach now allows for the prediction of

                                                                                         dune-bluff horizontal recession in a watter of emintes,

                                                                                         rather than the hours previously req uired usinig graphical

                                                                                         and interpretivye tr i a -and-error proceduores,

                                                                                         ACKtNDOWLEDCGMENT S

                                                                                              Draft inrg of riany of the figures in this report was

                                                                                         accoep)Lished by L. J. Peyiquitp.
                                  27
                                                                                                                        28
<pb n="17" />

REFERENCES                                                                               Kriebel, D. l.., 19E2, Dune and beach response to hurricanes:
                                                                                         M. S. Thesis, Civil Engineering Department, University
Balsi tlle, J. H., 1975, Analysis and interpretation of littoral                              of Delaware.
     environment observation (LEO) and profi Le data along the
     western panhandle coast of Florida:  U. S. Army, CoastaL                           Pen-tuite, L_  J., Dean, H. N., and Balsi I ie, .. H., 19B3,
     Engi neerilng Research Center, Technical Meemorandum No. 49,                            Florida coastal profi te Location maps:  Florida
     104 P.                                                                                  Departcment of Natural Resources, Divsion of Beaches
                                                                                         and Shores, Beaches and Shores Technical and Design
Balsi LLie, J. H., 1982a, Offshore profile description using                                  Memorandum No. 83-2, 30 p.
     the power curve fit, Part I: explanation and discussion:
     Beaches and Shores Technical and Design Memorancldum No.                           Schwerdt, R. W., ilo, F. P., and Watltins, R. R., 1979,
     82-1-I, Florida Department of Natural Resources, 23 p.                                  Meteorological criteria for standard project hurricane
                                                                                         and probable maximum hurricane windfields, Gulf and
Balsi Ltie, J. H., 1982b, Offshore profi Le descrription using                                East coasts of the United States: National Weather
     the power curve fit, Part II: standard FLorida offshore                                 Service, U. S. Department of Comimerce, National Oceanic
     profi Le tables: Beaches and Shores Technical and Design                                 and Atmospheric Administration, Technical Report NWS 23.
     Memorandum No. 132--I-II, Florida Departsment of Natural
     Resources.                                                                         Sensabaugh, W. M., Balsillie, J. H., and Bean, H. N., i977,
                                                                                         A progrars of coastal data acquisition:  Coastal
Burdin, W. W., 1977, Surge effects from Hurricane ELoise:                                     Sediments  77, A. S. C. E., p. 1073-10E5.
     Shore and Beach, v. 45, no. 2.
                                                                                    Vallianos, L., 1975, Beach fill planning - Brunswick County,
Chiu, T. Y., 1977, Beach and dune response to Hurricane Eloise                                North Carolina: Proceedings of the 11th Conference on
     of September 1975: Coastal Sediments '77, ASCE,                                          Coasta  Engne ng, ASCE.
     p. 116-134.
                                                                                    van de Graaf, J., 1977, Dune erosion during a storm surge:
Dean, R. G., 1976, Beach erosion: causes, processes; and                                      Coastal Ensineering, v. 1, p. 99-134.
     refnedia  measures: CRC Reviews in Environmental Control,
     CRC Press, Inc., v. 6, issue 3.                                                    Walton, T. L., Jr., and Sensabaugh, W. M., 1979, Seawall
                                                                                         design on the open coast: Florida Sea Grant Report
Dean, R. G., and Chiu, T, Y., 1982, Walton County storm surge                                 No. 29, 24 p.
     model study: Florida Department of Natural Resources,
     Division of Beaches and Shores, 64 p.

Edelman, T., 19t68, Dune erosion during stortm conditions:
     Proceedings of the 11th Conferenrce on Coastal
     Engineering, ASCE, v. 1, chap. 46, p. 719.

Ede Iman, T., 1972, Dune erosion dur ing storm condi ti ions:
     Proceed inns of the .13th CoastaL oEngineeri ni Conference,
     ASCE, v. 2, chap. 70, p. 1305-1311.

Hughes, S. A., 1901 , Beach and dune erosion during severe
     storms: Ph.D. Dissertation, Coastal and Oceanographic
     Engineerlng Department, Ilnversity of FLorida,
     Gainsevi LLe.

Hughes, S. A., and Chiu, T. Y., 1981, Beach and dune erosion
     during severe storlms: Coastal and Oceanographic
     Engineering Department, University of Florida,
     Faineevi lLe, (funded by the FLorida Department of
     NatulraL Rrsotrrces, Division of Beaches anrld Shores, and
     Fl.nrida Sa (l;ranl' Program,).
                                                                                                                   30
                              29
<pb n="18" />

                                                                                                                                           aot on County
                                                                                       E                                                   R- 3

                                                                                                         30
                         APPENDIX I

wa Iton County Prof i Le P Lot! ;epreeenlt ino the Rad i iu of                  I
                                                                                             O

 Maxiotmuni  ind Speed for Hurricane ELoise, Sept. 1975
                                                                                       F

                      Key to the Plots:

                Pre--StortI Survey (Oct. 1973)                      -                           z-....                                        I
                                                                                       V -too                         too           200             0.0.        400
                Post-Storti Survey (0tu. 1975)

                Storei Surge Still Water Level (10.36 Ft NGVD)
                                                                                                         40

                 Predicted Dune-BLuff Erosion Profile                                        a                                     tan Ca  nty
                                                                                                     E                                     R            -38

                                                                                       8                                I

                                                                                                         30
                                                                                       N

                                                                                                                                                  40 -

                                                                                                                                     Walton County
                                                                                                         30 -R 9
                                                                                                         3

                                                                                                                         20                                          0 0
                                                                                       F 1

                                                                                       O * otto                                                                  0

                                                                                           0    1

                                                                                                     0Distance fron  the 04R mnnument  in Feet
<pb n="19" />

                40                                                                                               40 -
                                                aalton Ct on  Countylo n Couny
E                                                        R-40                                    E                                             R-43

                30                                                                                               30 -
                                                                                                          3 0

V                                                                                                v

F                        I                                                                       F

            C0. -I- I                                                                                I                                        ,-,                     II

vo                 -10 cl  200                                                      400          V -0                                 0           t               1 00              3 400

                                                40 _
                                             Wa1ton  County
E                                                     R-41                                                            4laton  CouOty
e                                                                                                E                                                        R-44

       G   I   '30                                      4

                40
                                                    R                                                         4 20 It-

                                                                                                           ei \3

                                                                     I                I
                                                                                          " I                                                                           ,       I

                                   40                 10        0£lo0

                  D i a nc   flon th    NR   oi u         Count y                                                                                                . n40 e

                  IOsr ncD                                                                                                     fro, Zhe  DNR   onInuena  in nt  Fe
                  Distance  fro0  the DNR Monument  in Feet
<pb n="20" />

                                           qO                         4
                                                                                                                                                                     a0Otoo  County
                                                     Oa I to   County n                                                                                             0-52
                                                                                                       E                                                               R - 52

                    0                                 0-40
                                                                                                                           30

                       V

                                                                                                       F   .----------........................

  --------- ---------- - -- -----------                                                                                                     -    --- ................... ...............................................

  I 0                                              '0--.            I                I          0-100               0
                                 ...................                      10                                                                            20... ....

                                                                                                                           40a
                 4 0                                                                                                                                   OuaIt aon Coau nty
                                                         OatI ton   Coo  n t                                                                                  R -534
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                                              .-&lt;- ..::-  ........................................................---------.----------.........................

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                                                                                                                           .0

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                             O                                                                                             I                           3

                                                                                                  H

nI                                        --,  V---                                -0                                0
                                                                                                             n-ton    (                     toI0o0--.                                         400
                    o   t00  C     tOO             200             --iO.0                    400  0

                                                                                                                           40
                   4-                                                                                                                                 on  toh  County
                                                          Uot ton  County              E                                         R-54
              O                                              0                                                            -St1  3
                                                                                                       e.
                        e                                      30

                   2-                                                                             T

                                       to

                                            U.....  I                   I                t          V-too                c                00             200            --4tt.             400                               ' ...

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                -10 --
                                                                                                                             Oltotnce  Irom the  0140 Nonunnot  to Feet

                    Olotuice  Iron  Ice  .qf '09  nuflfiO    r nt in  eetI
<pb n="21" />

                                                                               no                                                 Io  ICountyIIt

                                 20

                             -it                  I20                                                                             aItaI

                                     H                                                            .-  6  It

                                          0                                                                                                                                    -....... . .

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                                                  40                                                       - 40 -

                                                     L0IT0 Itn   CountyI                                                                ItWat Iton  CounIty nt
           E                      0-5                                              E                                                 0-6

                                         30

                           o                                             e

                              2'0                                                                                           -     I  20 -

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<pb n="22" />

                                           I0 ton County                          a0
                                           £-62                                                                                      n Walton County
                                                R-6n
            R __                                                                         E                                               R-67

                20 T                                                                                     2,

                                                                                           n

                                ........................................ . ........................... .......

                FI -' IiI I;·-4

                                   40v                       -                            04
-t100 o                         100           2-*30400                                   v-to             0o                                    -.-......40

                                                    Ualton County                                        40
                                                2        02R-63                                                                          Uelton  County
                                                                                           e                                                  R-74
                                                                                           D

                40                                                                                       40

on                                          C                                                              0   6.

                      R                                                                  E                                                  R-7

          /                                                                                                                -
                                                                                                           o - -

o10 C                                                                                                                     too           200 vI0t0                     400
                                   10'.  ,'0                                     .                    10

                40 -
                                                   ualton County                      ·
                                                                                                                                         Ral ton County
                                                                                           E                                                 R-75
                30
e                                                                                                        30 --

                                                                                           n

                 t                                                                                                -.

                  Distance  fron  the D0R Monument  in Feet
                                                                                                              Distnce  froa the D00 tonument  in Feet
<pb n="23" />

           40 -                                                                                                                            Wdlton County
                                        Ualton County                               E                                                       R-84

                 Wlo onYE                              8

                                                                                             20
            ,0                                                                                          4 -O - 4
                                                                              tt

                                               ................... .... ............. -
              F30  v,

      ............... ----I -                                                                            ZO- ...................................................
F _-- -   1O _ &lt; ; G V

G I o i&gt;&gt;.- , I , I V  1OO 100                                                                                                                                            0
                             I ,                                                     V -100  100 200 400
                                              R-88                                 !

                                                                              v1 0
                                                                                             o    e DR                                n F

                    0 istance  to,  t h e DIIR-  n                                                     2n0 in Fee t

o                 0                              O-3-O.0.  20-                400         0

                                                                                             - \

              30 to  *-v*-.--i
<pb n="24" />

               t10
                                                140 lion County                                      40
E                                                      R-?9                                                                              Oulton County
                                                                                    E                                                     R-76
               30-

               04                                                                                      3
                     V                                                                 G

   6                                        04
 O  t00           C             100           2OZ              0....       400                           0
o                                                                T -                   V  too             C             100           200              0* : B·.-..  400

               40 -                                                                                    40
                                            Uat ton County                                                                                   U  aIton County
            E                                     R                 -SO                E                                                           5-27

               30 -                                                                                    30

           e                      0                                                    0
               2 0
                                                                                    n

    .  - -.......  F ........   .

          N                -: ------

                  O                                                                 10  C  -ZO  4000                                                                0 40
O                                                             i              I         0

                                            au Iton  County                                                                        O saton County
E                                                  s-Si                                 E                                                 02-75

               30 -                                                                                    30 -3

               202
                         0                                             I

F   _ _    ____          _lt . ._......  -._ __F                                                            Y       .

N                  -                        --,,  ----                                  N

v -too                          tOO           ZOO       3 -- -0.           400          V  IO             C             100            20        "--o o,.           400
o                                                                                       0

                 Distonce  ton,  tho SONR tonument  in Feet                                              Distunce  from  the DOR Itanutent  0n FNet
<pb n="25" />

               40                                                                                                                40  -
                                                 H I tOhl  Count Ity                                                                                            alton  County
                                                       R-12                                                                                                        R- I06

                3 I

                20                                                                                                                3 20  --
                      o  'x

  t                    10

                              ............             .............................................................. ..........................-----------------------------..............
                    U"                              .... ..                                          .       H

                                             I 0                                                                         -,

            O                    0nCna
                40 --                                                                                                              40 --
                                                Uol ton  County                                                                                                          oton      out

                                                     R-It3
                      o                                                                                                               e

       V                           I                                                                           V
    F     -

                ! 0

                                             .     ...  aI
-t00                  C                 t00                                                     400too-200 (otO0                                                                                          2        400

                                    4'0 -

                                                Jot ton County

                                                                                                o                                                           Utnttoo  COunty
                                                 ·                                                                      v R-li

           ·20                                                                                                                       0
                       o                                                                  ix

                                                                                           ,       2 .

          V-tOO      Ctoo                                20             -....         .       .. 400           V
                                                                                                     v               u                         .....
                       0                      -[0 t10t0                                                                                                                 200               - -400

                -10 ---o

                                           Diotonco   Irom  toe  000  ttonuiont   In  FeetDi                              s ta nce   Iroe  the  0f10  Monument   in  Feet
<pb n="26" />

                                                                                                                 40
                                                 Q ot an  County                                                                                   Uo I I On Caunty
E                                                      R -I 01
                 I0E                                                                                                                                     R- 930
e                3

      v

F           2                                                                                     F

O2 ---- .--.---'
0                                    I             ..*                               .1
       10                         tOO------ 20                  --'40400                                                                                           -3I 0
     D-0    ·-                     V0  100                                                                             C               0               O

                                   4 0
               40 -                                                                                                 40-
                                                 Walton  County                                                                                      Wdlton  County
0                                                      0R-102                                     0                                                         R-06

               30 -                                                                               I         2-
   V       0                                                                                     0

n                                                                                                 0

t I             0                                                                                 I                  0
N                                                                                                 N

v                               I O.4                                                 I                              0 0  v                                                             0 0

                        D                                                                         D
    O                                                                                             0  1
                                         40                                                                       4                   0
                                                    Walton  County                                          Waton  County
E                                                         0-105£                                                                                            -0
                                                                                                E                                    R It0 0

n L
                                                                                                n !
                                                                                                                         G-
F                tIt

    o            r        --                                                                      N

v                                    I o o  0                                         00v   I                                          0          I 4 0

                         aV  a     Ir - to   0     20 ?I.                           4  n u     tOi                                                   200       a      -n.r            400
                            0  -                                        1

                    0istao I     h    0    o oti   1e                                                                  I nce      I ron  the tDlt  Oontinnt  in Foel
<pb n="27" />

                               t.                    I                                                                               1

            40  --                                                                                                         ·

               0                                 0-0                   0-
                                                                U a                         . I toon C ouuntty
                                                                      R-qO                                          I 6
            -                      30 I
                                                                                    e

                                                                                    v
                                                                                                    22

  ...............-------.--.--------  ..................-.--------------------.--------.-----.----------------.--------.-----.-------------o

                           '                                                                                                                   U0  C  10  .....
                                                                                              0 0                               0
                                   4O                                   --

            I I
                                                10- 9                                            3  -

.................... T ...........................................................t ...................--"---"------....................................

                             ------------------- ............                                                                                        .     ...
            I0

   o    4 0                                                                                     40 -
                    n c  a  f r o m   T   0   0  a  n u I e f) f   1 n   F                             d ft c E   f r 0  a  t h   o n u m e n t  I  n   F e 2 I
            20                                                                  e

V       t --

                      14                                   0 --

                                          40 -                            Jltton County
                                            Out ton County                        ER  t

            30 --e

        t                                                                       I
                                                                            *                                              "C  I 0  .--I....

         oo    00                       200                                                                   to             o           --"  0 400
0  0

                                -to                                                                                 -to --

                                    Oslonce  Iron the 0140 nonuoerit  in FeetDilslunce from th e @00 Ionnuenl  In Feet
<pb n="28" />

                                                                                         40
                                        40 -                                                                                            40-
                                                  Luti  n County
                                                                               0-I                E                                                   O                 Ut  ton  County
                                                        R-II2

 .......... --------------- .... ----------------

                                                         20                                                                                                                      i  2
                   --
                          F                                                 3 --

                                                              a u n t y                                                                                U I  t    C o u n t

  .......................... ..                                                                 . ........... , ._.---_ ......... ...................                                    -      -................................................

               40                                                                     '
                                                    u  aIton  Coaty                                                                                      Ut nton  County
            O                                                         R-tZO                          E                             R- t23

               30 --                                                                                                    30 --
                      o                                                                                                      e

                   20                                        I                                                          2 n

                     . it

                                                                                                 F

               to                                                                                                          -
 G  I                               I                                 t                              r  0               I

                I0o o                                                                 0             N ....

                                                            ,0{              ,        I            0
               4                                                                  0                                     40          --
                                                           OtonCounty.                                                                                         Ouatton  County

               20 --

                                                                                                                   · to --

o                  .- -'IF7.

          C                                   ''- '''                                                   'O              100..
                      O                                                                             0

              -tO -                                                   -I0

                  Distan e  Iron, the  001R  Monument  in  Feet                                  Di                    s      tunce  from the  000  Mtnlouoent  to  Feet
<pb n="29" />

                                                      IS EROSION

                                                             HOW
                                                            Th is WORI(SFACE provides for dune-b Luff horizontal. recess Hon
                                                      using the method developed by WalIton and Sensabaugjh (1979) for
                APPENDIX  II        Hurr icane Eloise which struck the panhandle coast of Florida in
                                                      September 1979.

                                                            Foltowing is a description of how to use the workspace:
   APL  Programs
                                                              i.Operate in tile workspace using the fuIll screen siessions
        for                                                      wanager ( i e. SMAPL )

Dune-DLuff Recession                                         2.  'Type onto -the screen__NLT .....NPT . and enter the requested
                                                                data. Then wait uint il the p tot appears on the screen or
                                                                the ilessaue. ... .MORE ..... appears at-l the lower r ight hand
                                                                corn-er of the screen (MORE i nd ica tes that you  tiust p age
                                                                -the screen).

                                                            3.  Naaes your plots with a uniq ue label when asked.

                                                            4.  Use the Full  Screen Mode (i e., PF2 key and COPY ON ID fi Lename)
                                                                to get, fi1Le cop ies of the reports.

                                                            5.  Report nawes are TABLEi * ONSHORE and SHAPE..  TADLE iL Iists;
                                                                -the resu Its basic resu Its of the recessioin model I 4OSHORE
                                                                 i sts the onshore prof i le data tha t your prov ided , and
                                                                SHAPE g i yes the offshore pi-of i le c urve coeff icvients where
                                                                not yet ava i Lab Ic frori Beaches and Shores Techn i ca l and
                                                                Desi gn Mewoiran-duw No. 02-1 -11 (provided you have the oiffshore
                                                                data to enter).

                                                            L. Ex it the workspace ( i.e., enter the CMS env iroi-went) and
                                                                 invoke either toe GPRINT or ADMOPUJV modulIe commands
                                                                (folI owed by the f i enafwes -that you provided).

                                                             )FNS
                                                      AND      ANNX    ANNY    AVG       AXES    AXIS    AXE        A3D)  BY          CITE
                                                      C G W RT   CHA(RT   CHECKNAME      CHIA     CLEAR   CLIP    CL.OSE   CL0SEGP CNS
                                                      COIBN   COLOR   CONTOUR COPY    COPYID  COPYN   CORN    CSINIT  DECOMMENT
                                                      DRAW    ENCODE  ERASE   ERF        FTILL    FILL.ENCODE       FIT      FITFIJN  FITF0
                                                      FIXVP   FIAT    FRAME   FREQ    FRME    FSSAVE  FSSHOW  FTCF    G EP            GRFEIELD
                                                      HCHART  HIDE  IHOR        INDEVO  INDEVi  INDEV3  INPUT   INTERPOL-ATE
                                                       INTERSECT IONS   INTO    ISONETR]:C         LABEL   LDLX    L.OLIY    LINEAR
                                                      LOADSSAUX        LOADSEWS          LOG      LI)GLOG  LOG9    MAGNIFY MEMBER  MODE
                                                      MEG      NEWPROF OBDLANI(S OfjLIIQUE OF     ONSHORE OPEN    OPE NGI-  OUlI UT
                                                      PERSPECTI VE     P IECHART         PI ELADEL         P IELAD! PLO      FLF PLO1 ` 0TT 1
                                                       POL  I-Y POWER   PR-EF`AR:SE       FIRCFILEI         PUT      PUJT F I I F I -. A D RESTORE
                                                       RESUL.TS RETICLE IROT ATE  RSL.TS   SAXES   EAXISX  SAXISY  SAYIE IS IAt C   SCIESSOR1
                                                       SCRA TCIAH   SA E   S1IIRFSM  SKETCH EL     SLAB-EL  SLBLX   Sl...W.Y  g.L itZ gm
                                                       SE 1FI EI-D SPL_ 9"U  PLINE   iO T   SE     STEP    STEREO  STI ItII E     TYIL E   SURFACE
                                                       SURGE,  SIJHV11  SXFM    aso   THRFE E VI E W 9T TITE T T            ri ,II4L.ATE
                                                       TIRAVERSE        TYPE  LINE        USING   VCAT    V ER       V IIF W    V (I WPO R T
                                                       vhi;     VS      WAND)S   WANDS2  WIDTH-    W ITH  IWROG11)   WR]I'' E WITC ESS W3D
                                                       XB[LANK.S XIII    iEL.0T    FIUINIT        iPtNS 11    O      F,'E.ATFIVE      S"FEI-1
<pb n="30" />

                                                                                            [39]   'Enter Fi Le Numebr

       )VARS                                                                                      [41]   'FulL  naftle of the eng ineer responlsib le -for the input data:
A        AA        A (4A    AD        AE       ALPHA    ALPHANUM            AP        APLFVSS    [42]  NAME*-D
APLI Issc          AP1_21SSC          ASPEC    Al 2      A2        El       DIB       BSPEC        C431  SURGE
C        co        CEPEC   CTLSM    C TL   C6            DATS  DI1ST        DNR       E
[EXP     FFF       FILE     FULLPATA           FUJLLPATC           FULLPATG
GDDMCODE           GDDMENT HOW        I         IN       INC       LAIIA    LANDe     LADC
L.ADD    LADE      LADJF   1.AEIG     LA8H     LNX       LNY       N        NAME      NELJX               9SURGE[0]V
INEWY    NUM       OFF D AT E oNDATE  OPENFILES          PROC ACL PROFID  RETPER  R i                       SURGE
SEQND    SOURCE  SSX        SEY       TABLEi  TYPEPR  X            XA       XE        XEP          [I]  0 PURPOSE OF FUNCTION;   REQUEST STORM SURGE  INFORMATION.
XN       XNP       X s      xi        Y        YA        YE        YEP      YMAX      YN           [2]------------------------------------------
YNP      YSE       yl       Y2        ALEIHA   6MC       ALDSI(   AE:FEM    n ,S M    ny           [3]
    Ei  CP        qOPyCTL COPyNAME             C 1 R    CvP       DD        M C      E F 1;      1,4]     STIPRM SURGE  INFOg:
 m G P    F'ITM SG  F ITP-`TS  G F    LGA      mS1Gw    OF)(      (JFy      OLD       PA          [5]    'Enter -storm surge etevat ion in feet NGVD:
PC       PEl..t   P0        ETS      LLIW      Ci2 Q    SF        SI M   SF          SVP          [6]    CS[-'ECi-C4-O
                       SW  TM  N                                                                                    [7]    'Enter the return event which th is storm surge represents'
                                                                                                [0  (e g" 100 for the 100-year return event):,
                                                                                            r.9]    RE TPER4-0
      vIINPLJT[O]'                                       C[I0]   'Sourc e of store surge  i nforma ti on (e.9., NOAA, U aof F, et c. ,:
      vINT                                                                                       [11]  SOURCE*-ri
C1]  a PROEOF FUNCTION:   REQUESTS INPUT DATA EXCEPT FOR, STORM SURGE                              [12]   1
E2]   a INFORMATION.                                                                              [13]   SEQN04-SEQ N04A
[3] C.                                                                                           i[ 4:1  WANDS

15]     OF1R  PIROFILE:'
C 6]    'Enter Exponent:'
17]    EXP'-O                                                                                             VWANDS[O]v
CO]    'Enter Shape Factor:'                                         v                                      WANDE;ACFG;ADFG;CEGH;DEGHl;D;AR1 ;AR2;1(;AR;J;MjAI ;CCiE;EJHiT;AREACirCiRHWTF
f9]     SEC--                                                                                               ST;XC; YD
[i10   'Date of Survey:'                                                                          E1]  a PURPOSE OF FUNCTION:   DETERMINES DUNE-BLUFF HORIZONTAL RECESSION
Cii]  OFFDATE(-M                                                                                  [2]   n USING THE WALTON--SENSAPAUGH METHOD01 (1979) FOR HURRICANE ELCUSEE
1-12] ------ ---------------------'   --------- ----- [33                                                  F SEPT 197-5, WHERE THE PROFILE IS9 NOT INUNDATED.
E131   ' '                                                                                        [4]    Xi+-X[4'X]
1-141   'ONSHORE PROFILE. DATA;':1 yfe
Liii   'Enter distances tecasured  from or ignat shoreLine at 0 NGVD'                             [6]   A MAJOR OFFSHORE AREAS.
C  161  ' (EntIer inI asc end inq nIumber i C a I or der  inI fee t) :'[7]    YA4-C-2
1-17]  xi-O]                                                                                      [0]1   XA4.(YA÷A)*(1÷EXP)
CrJ ]   'Enter e tevation corresponding to dlistances just specified (Ft NGVD) :'                 []     XC4-Cx4
Ci 19   Y(-O                                                                                      [10]   ACFG4-(30-(YA--2) )x(XA-XC)
 20]   'Date of Survey:'                     Eli1]' Yl)(-A X(XC*EXF,)
V21 1  ONDATE-ti                                                                                  E12]  AOFGq-(30-( (YA+YD)i2) )x(XA-XC)
I.2 2 I  'Pr of i t e Type (Pre-Const or Post--Const ) : '                                        [3]  CIZGI-IiXCx30
r"31  TYPIEI&lt;R*-In                                                                                [14]  DEGI.I(-(30--(YD-2) )xXC
    f-2  ---------------------------'   FI5.] Df- (ACFG--ADFG)+--(CECIA-DEGI-)
15                                                                                                EiEEENE16] AONSIIOREz AREAS EXCEPT FOR AREA CCI E
1-261  'Pr"-'            MONMET NF:'                                                              LI?]  ARIC-AR24-10
[17 I  ' En1er DNR reference monument number  (e g    R-26 ) Cie K                                LI 0]    1i
20I U]   UM4-f                                                                                    I 19]  ARF, 4( (Y1ICI [] 43 0      J CI&lt; [+ J ]4.3 0 )-2 xX Xi [K]I-X1 I C K1]I
1.YI iy]'eminut y Nafie: '201'o i   RIAR  AR
                                                                    . 10   (211                 L  ]      4-1(1
I4II, -III )  'LIr ci !.; ta n Ce thIIa - r ang  e tinIIe is. f rom th1 I - .e rfeCr enIce mon)IIumIletI .'  [ E221  --611SII&lt;,a0,XI- 1
['3'2   '( .n ._  H30indiate  rai'3e is 300 feet northi of  ip' if i ed m ollu ellt )             I'231  J&amp;O
3.3-I  biI(1- L'                                                                                 124] 1-3: NEWX(-( i tX  )-J
.5-1]  'FIlter dist.Ince fromt thie normal exis t ing shoret ine to the CCCL  in feet:            I 215,I 11,(Yi [i  -YJ1' ['2 1) -(X i[EI]--X i E2 1
f.3 5'I  D I S f i-UO                                                                             [26]I A I vY1[ C2]-(x X I[E2 1
                [36:: - ---.--------------*---------                 - v.7 H11   EWY1-YI L I I- ( M XJ X1
                       1-3/:1                                             120L]  Ao I-e  I' (                      C I 11E WJY   [1 Yi      .1 -2) +:t )
<pb n="31" />

1.291  XI (NEWjX:1+ Xi                                                                                   [201  AR24-AR2,(((NEWY..IitqYY),-2)+30)xO.5

[31]-)I LIX1CI]&lt;)Xi[.2]                                                                                  [30)   YYi-YYNEWY
1:321  BSEI-iC (X(XC+NEWJX)                                                                              [31)   NEW'X
[33)  -)L2x1C:1i'Y[+Yl                                                                                    132)  4L3xxNEWXX[Nf2]
E34)   Y24-Dx( I80-01)                                                                                    [33)   D4--NI---Y-(X('+NEWX)
E35)   A24-DxXC                                                                                           [34)   Y2+.Etx 130-a I
[36)   CCiEi-O.SXA2xXC                                                                                    [353   A2-94-xXC
[37)   EJHI(-(((itoYi)42)4-30)X(i+8XJ)                                                                   [36)   CCiEf-G.5xA2xXC
1:38)   AREAf-(+/ARI )-(+/AR)))+EJHI                                                                      [37)   EJHIt-((Y[2j-2)4-30)xX[2l
1:39)   C IRHO-IQ( ((A2+C) ÷2) +30) XNEWX                                                                [38)   AREA4-(+/AR1 )+(+/AR2)
E40)     RESULTS                                                                                         [39)   CIRHO4t-(((A2.#NEWY)-,2)-t30)xNEWX
1'41)   AE(-AREA--CiRHQ                                                                                  [40)   AE+-AREA-Ci RHQ
1-42)   ADi-D+CC1E[1    A4DCIF
E43)   TESTt.-Ar-AD                                                                                      [42)   TESJ(-AE-AD
[44) ]   -.                                                                                              [43)   TEST
[45) - 4L 3 x TEST &gt;0                                                                                    [44)   J(-J-10. 5
f46)   RESULTS                                                                                            [45)   Ct-NEWY
[47)   40                                                                                                [46)   4L2xiTEST(0
I.40) - Li :Xi f-1 4,Xi                                                                                  [47)   RESULTS
1[49)   Yi 4-iWY                                                                                         [48)   40O
['50)   A i (-1,4,ARl                                                                                    [49)  --L,)xi((pXi) i)A(NEWX:XIC1))
[5i)j  AR2&lt;- t0                                                                                          [-50) L3: Ni-N-1-
P5 2)  -L3x IpXi: O                                                                                      [5 1)  _J4-0.5
r.153].) 40                                                                                              [52)  X I -1+ X I
[54) L2:WANDS2                                                                                           [53)   Y14-14-Y1
                                                                                                    [54)   -i4L4K(pXi)=0
                                                                                                    [55)   X X -(l q) "X X),X I[1)
                                                                                                    C56)   Y y4- (p I  q)Y y ,y I[1I
       VW4ANDS21[O)'                                                                                     [57:1  AR2'-AR2%(pAIR2)-1),(30.#(Yi[il+YY[pYYI))2)XXI[1)-XXcsX)xx
       7 WAN4DS2;ACF-G;ADFG;GCLGH;DEGH;D;ARI ;AR2;1(;ARiJ;M;Ai;CCIE;E.JHilAFREA;CiRF-Q;T                 [58)   4L2xk(pXl )&gt;0
         EST;XC; YD                                                                                     [59) L4:'YOUR DATA DOES NOT EXTEND FAR ENOUGH  IN THE UPLAND DIRECTION'
[1)   a     P UPS OF FUNCTION:   DETERMINES DUNE-BLUFF HORIZONTAL RECESSION                              [60)   'TO COMPUTE THE DUNE EROSION.'
[ 2)   f USING THE WALTQN--SENEABAUGH METHOD  (1979) FOR HURRICANE ELOISE
[3)   a OF SEPT 1975, WHERE 1THE PROFILE  IS INUNDA.YED.
[4)    A R24-AR1 -XXf-YY(-t0

[6)    N4(X-(1-X1(YC/))V RESULTSjLjKiyO;X(3i;YOi
                         [73  Xit-(X'_.-:((Y=C)/X))/X                                                   El] h   [1)       PURPOSE OF FUNCTION:  ACCUMULATES THE FINAL ERODED PROFILE DATA.
    FB  0i  2'JUI/I                                                                                      [2)    Lt-1I9
[90)   I:ARIA                  0                  1(-            XEI                                     [3)    X04-0

[10)  '-- LIxiK;+1                                                                                       [5)   LI:X0t-XOLxI(
[.i2)  X4LI-(N+1                                                                                        [6)    X0i1-(1 x(204'XA,i4-XO) ) 0
                         Ei    l  YY(-(N+I            tY   [7)    L(-L-I
[13    YY4j 4-0N+)5                                            C0)   -) L Ix tL&gt;
I'14) L2:E4-0.5    '+                                                                                    ['9)    Y0I'-1ix(Ax((_IxX0i)44EXP))
C 16)   Mi..(Yi[2]-YI[1])-4(,1[2---XiLi])                                                                [10)   XN*.-Ix(Xoi,X)
                         [iol  NEW     t-Yi[Il-mx     x-i                                               Ci [2)   XE(--'IXKNEWX,HEWX, (-ixAC) ,*ixXA)
r10)   HFYo(-NY[1-MX1                                                                                    [13)   YE(-(tYi ),C,O,-IXYA
[20)   XfA4(YA-m))Ai+EXP                                                                                 r.IA   V'L
I_ 1 I .]XLC4 N E WYx A
  F2J (A LI 1,4- ( _ () -(Y ( [2   X A -X C

f24]  EL-Gl (V)3 ((AY)2)X X                                                                                        :' PLOTTI';IX;IE;XNN;YNN;XEN;YEZN;XNA;IIN;XXX;YYY;.[IE;YYE;ANE
          J  LI [114 X  xCXA                                                                              1    a PURPOSE OF FUNCTION:  )ESSELATES PROFILE DATA FOR PLOTTING WITH
                                                                                                        [2)      aRHRONTAL. SCALE OF 1 INCHI  50 FEET AND A VERTICAL. SCALE. Of.
    I`     D' (Alf G-C ADFG) 4 (C'EC.I-OEG)                                                                          ]RO          A
<pb n="32" />

    1'3 I INCH  1--I 0 FEET.                                                                               7 PLO;YLOC;XLOC
                             YYY-XXX*-YYE'-               0                                        El) n  C3       PURPOSE OF FUNCTION:   PRODUCES THE FINAL PLOT(S) USING IlDm
[5)    XNN4-DIST+OXN                                                                                [2)   F EOITWARE FROM LTO 2 GRAPHFAR.
cal    1xq-XNN'-,:0                                                                                 [3)    ERASE

C 0)   YNN *I. xlq)YN                                                                               [5)   T514- I1I
19)    XENt--XE+DIST                                                                                [6)    Pn4-STYLE 1 6 4 ,COLOR 7 7 7
(10)  lE4-XEK'.l.50(-                                                                               [71    gVP4- 10 10 86 50
[111)  XENt-IE/XEN                                                                                         _____ .   0i6      006  08   3
1[12)  YEN(-IE/YE                                                                                    9
[13]  xAr0x(rNl   I0)[10) L2:
[14)   It-XNA,XNA+1500                                                                              [ill  PLOT(YNP VS XNP) AND(YEP VS XEP) AND&lt;YSS VS XSS) AND YMAX VS I[23
[15) LI :4L6)(l(pXNN)--0                                                                            [12)   10 ANNY  'Elev  in Ft NGVDI
[16)   IINi-(XNN:I[I])AXNN&lt;LI[21                                                                   [13)    1 ANNX  'Dis tance frol4 the CCCL. in Feet'
[17)  XNF"-XXX,IIN/XNN                                                                              [14)   YLOC4-10x(rYMAX-'I0)
[18)  YNp(-YyY, IIN/Y(WN                                                                            [15)  XLOC(-I[21-125
[19)   IIE'-(XEN:I[I,`l)AXEN:.'I[21                                                                 [16)   (XLOC,YLOC-2) TITL.E(CO,' County')
[20)  XEl:-XXX, I IE/XEN                                                                            [17)   (XLOQC,YLOC-4) TITLE(DNR,l ft from ',NUJM)
[C2)  YEP4-YYE,I1L YEN                                        fig                                  ]       (XLOC,YLOC-6) TITLE  'Up!. Surv Date:  ',ONDA[E
[22J  4L4xi(XNNLpXNN](1[2'I)V(YNPEPYNPLeo)                                                          [19)  -+o
[231  ((XNNC(pXNF')+il)),XNP pXNP)) LINEARU(YNNEUpYNP)-i1)),YNF'[PYNP))                   C.20)' LI :YSS'-YSS+O.1
r.241  XNP4-XNF,,121'                                                                               [21)I -*L2
[253  Y NP(- Y NP ,A A i. It  ItxI                                                                         V
[26) L4:XNP4-XNPIC2I
C27]  YNP+-YNP ,,I xAix(1[2]-DI)T) *EXP
[2U1                                                                                                       Y R&amp;LTECO)3v
E29)  ((XEN [(PXr.F')--l1),XEP[pXEFP)) LINEAri(YENE[(pYEP)+I)),YEFI[pYEP))                                 v RSLTS;DATE;DATijDAT2;D)AT3
[I0)  XEF,4.XEPF, I[ C                                                                              [2) El] PURPOSE OF FUNCTION:  PROI)LCES THE WANDS DUNE-BLUFF RECESSION
131.]  Y E P -YEP, A,)+EtEt x IflC                                                                 [2) (2   DATA LISTING.
[32)  -)L2xlXEPLIXEP)(XEN[pXEH3                                                                     [3)    DATEi--OTS[2),OTS[31,0TS[l1
[33)  XEP4-Ii 4djXEP                                                                                [4)   D)ATIi-(20pl-'),(((20-I)FILE)p'.'),FILE),(((20-pNAME)p'.'),NAME)
[34)  YEPiq 4,l*4YEP                                                                                [5)     A1-A1(1P.)521((0DT ')TAE,2F'
[35) L2:XSS'-I[iLIE2)                                                                               [6)    DAT2(-(20p'-),(20p'    ,(2PX)'.,EPU2TAEC'',AP
[36)  YSS(-Gx(( lpX9S)-lpXSS)
[37)  YMAX4-40.+.i1YNP[,4YNP]                                                                       [7)    DAT24-DATr2,(((20-pOFFIDATE)p.,),()FFDATEI-),(40,?'
[38)  PLO                                              CB]                                                 DAT2+-DAT2, (U20-PONDATE) p' 2&gt;ONDATE) , (((20-s)TYFEP-R)?  . ITYPEPR)
[39)  VIE W                                                                                         [9)    DAT2*-DAT2, (40p'   I  (U20-pl'CSPEC) p'   ),fCSFEC), (U20-pTRETPER) p            T
[40)   'Do YOU WANT A HARD)COPY PLOT (YES OR NO)?1                                                          RETPER)
E41)  ANS4-El                                                                                       [10)  DA)T2*-DATr2,((F20-PEOURCE)P'.'),SOURCE)
[42)  --L3x  (NS[ i =.Y')                                                                           £11)   DAT2i-DAT2,(40pl   ,(2-NMp2,U)((0-C)2,O
[43)  .4L5                                                                                          [12)   DA'r2 -DAT2,(((20-pDNR)PI.1),DNR),(((20-pTDIET¾''.'),iDIN'T),20p'-I
[44) L3: 'GIVI  T1lE PLOT A NAMEl'                                                                  [13) Al( -',(1-TEXp2,NW)((0-TITNW 2,DS
[45)  Ei-11                                                                                                 NEWX)
[46)  C'OPYN C                                                                                      [14)  DAT3(-DAT3,(iOpl   ,UOpDPCp.)TSE)((0pY)      )T2
[4?j Lt15 XXX'-XNPE jXNP3                                                                           [15)  l)AT3*-l)AT3, (l0p' '), (((iO-IT(AD÷27))p'.'),TAD -27)
CA8)  YyYY4YNI[pyNPj                                                                                [16)  DAT3*-DAT3,(((10-pT(AE--27))s)'.'),TAE-?27),(i0p'  '
[49)  YYEI-YEF"roYEPI                                                                               [17) ]    3-A3((0-TAp.)TA,((0P(XA)'-)T1Y)1p-
(.50)  14- I0                                                                                       Fi [18  TADLEI4-LADD.E[I)U6 50 tLADA), 6 20 pDATi)
E`51)I XNN14- pxNP) 4XNN                                                                            [19)   TADLEi(-TABLEi,C1)  LABF,[i1)U21  50  LAD,21 20 PDAT2)
    [5)YNN'( pYNP) 4'YNN                                                                            [20)  TABLE14-TAEBLEi,[il LAl3G,[1)U(13 60 1'LABC), 13 10 PDAT3)
L53)  X1:N4((pXEN)-1 ),XEN                                                                          [21)    ALI-TDE,1   LADHA
[5, A)  YENA-( (PYCN) -i), YFN
[55)]  *i6X t( pXNN) --0
('561  -oLI x I (XNF'CpXNPJ)(&lt;XNN[PXNN-)
[57)- L 6RS L TS                                                                                           1SHA FECOU)v
                                y                                                                                                 v SliAl--E;CiAi ;D1 ;Ei ;A2i D2jE2iA3;D3;E3;Rl ;R2; R3
                                                                                                      [I)   * PUPOSEOF F'LNCTFION :  DEIERMTHEE OFFSHORE PRFL  POWER CURVE- FIT
                                                                                                 C2)  'I COEFFI CIENTS FOR NEW PROFILE DATA.
       v L ) C l Hv                                                                                 [3)           ENTER DISTANCE OFFS1HOR.E:
<pb n="33" />

[4i   Xi.O
E5:         ENTER CORRESPONDING ELEVATIONS AS +VE VALUES:
[6:1  Y4-                                                                                      LA DO
C 7 ]   Cj- ( 4-/9X) 4./ ( (a)X) 2)  0Dc(X) x(mY ) )(+/0Y) +/ ·( (0pY) 2) ------------------------------
[03   A -*C64-( (CC1 3xC[C3)--(C[2C[2xCC)) ( (C[I) 3*2)-( (pX)xt[2)))                               A. OFFSHORE PROFILE DATA
19) 1    -ci i )xC[AJ)-((pX xC[3)))((C[1)e2)- X                                                        Exponent (i.e., Shape Coefficient)
D10) Z14-AiXX*Bl                                                                                        Scale Coefficient.
O1il Ei4-(l(pX)x(+/(Zi-Y)*2))*0.5                                                                      Date of Profile Survey.
C12)  A22-(+/(Yx(X*(2-.3))))+(+/(X*4+3))
1:13)  Z21A2xX*2-3                                         B. ONSHORE PROFILE SURVEY
[14)  E2-(-(i1pX)X(+/(Z2-Y)*2) o0.5                                                                     Date of Profile Survey.
[15) A3(*((C[4)-(C[1)x2+3))+pX)                                                                         Profile Type.
[16)  Z3i-A3xXXi*23
E17)  E34( (1-pX)x(+/(Z3-Y) *2) ) *0  5                                                             C. STORM SURGE DATA
Cie]8I)I                                                                                               Store Surge Elevation (ft NGVD).
[19)        County         ------------Ref Mon I.D0.    .....Survey Date            -- -------- Store Surge Return Period (years).
[20)        --------------------------------------                                                      Source of Informat ion.
[21)                                   EFIPONENT       ENPONENT FIYED AT 2/3'
[221                 Hoi  U                       XE-- D. DNR REFERENCE MONUMENT INFORMATION
[23)                                                   DIRECT    LOGARITHMIC'                           DNR Reference Monument I.D.
[24)                                                   METIOD METHOD'                                   County.
25) --------------------------------------- -Range to Mon Distance (ft).
[26)        Scale Coefficient:           , (TAi) ,            ',(TA2),'            ...                 CCCL to Shorelin  Distance (ft).
     A3
[27)        Exponent:                    ,(Tfi),            ',(T2-3),'        1,T2+3
[20)  R1&amp;X CORR ZI
[29)  R2i-X CORR Z2                                                                            LADC
[38)  R34..X CORR Z3
E31)        Correlation Coefficient:    ,(TRi),'            ',(TR2),'        1,TR3                  Erosion Distance Measured from the Shoreline (ft)
[32)        RMS Error:                   ,(TEi),        ',(E2),'    ',TE3                           Erosion Distance Measured from the CCCL (ft).
[:33)7.-
                                                                                       Angle of Eroded Surface (tangent).
                                                                                       Angle of Eroded Surface (degrees).

     vROWER[ON)                                                                                    Volume of Sand Deposited Offshore (cu yds/ft)
     v POWER                                                                                       Volume of Sand Eroded from Upland (cu yds/ft)
[1)  n PURPOSE OF FUNCTION:  FITS A POWER CURYE.
[2)   LNX4..X                                                                                       Offshore Profile Closeout Distance (ft).
13)   LNY-WY                                                                                        Offshor*e ProfiLe Closeout Depth (ft NGVD)
[4)1  DO-(+/((LNX-((+./LNX)-pX))xL-NY))-(4 /((LNX-((+/LNX)-pX).)'2))
15)   AAix((4./LNY)-pY)--E(tDx((+/LNX)-'pX))

                                                                                  LADD
                                                                                                FLORIDA DEPARTMENT OF NATURAL RESOURCES
     VLINEAR[CO)                                                                                                  DIVISION OF BEACHES AND SHORES
     V X LINEAR Y-                                                                                             BUREAU OF COASTAL DATA ACQUISITION
E1l  a PIJRPOS*,E OF FUNCTION:  FITS A LINEAR EQUATION.                             DUNE-BLUFF RECESSION PREDICTION
E2)   BBcD+/((X-((.f/X)-ppX))xY))-..(+/((X-((+/X)+pX))x2))                                                         (Walton -- Sensabaugh Method)
[3]   AA(-((+/Y)-.pY).-(Eifix((.i./X) pX))
     v                                                                                                            ADMINISTRATIVE INFORMATION

     LADA                                                                                    LABF

          F i Ic Number       .                                      .....   ................  .. .. INPUT INFORMATION
          FResponsilble for Data Input.
          In t *a s.
          )mte Job Comipleted  (e,1/da/yr) ......................IG
<pb n="34" />

         PfiEDICXTED RESUILTS FOR 11ORIZONTAL DUNE-BLLJFF RECESSION

LABH
      KEY TO THE PLUNS)
          SoI d Line    Surveyed Prof I Le
          Dashed Line -- Eroded Profil  (Predicted)
          Dash-dot-dash Line -- Storm  Surge Water Level
</text>
</doc>
