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OFFSH-ORFE PRFI,, :TLE' DES'CRIPTION L[1INL. THE POWEIR CDURVE FIT r-ART I EXPLANAT ION AND )I~ EC L S" ., I )Nl by J a e s H[ P a [.1 i,-i . L i e Ana Lys iE/Reseazrch SecA iont Bureau of CoastalI. Data Acq~u i~ I io-n Divi si on of Beaches and 91hores Flcor id a ~ep ar-1trmen t of Nativr aLI eou :e PEACHEiLS" lAN'DrJj SHIORES TE:.CHNICAL AND) DESEIGN MEMORANDUMI No~ 2- i - Oct o bc. r iG 2~ COASTAL ZONE INFORMATION CENTER R,,ev i ewed by Paeaches and Soe eo~c lI-st it ute o~f Sc.ience and P~ubL ic A-1*fairs: F [c i ii da Stait e Un i i v ei - . iy N orida Oficet cif Ctoast-al l arnage.menit Fl[or ida Departmnent of Env irconflenrta . Reg utla t ior Funded by A g-rant -c:'m the U. S. Off ic~e of Coasitali. Zonle M"anagement Nnvt ionla Oceain ic and At moisp her ic A traio ,undcer -the.. Cota.,..taLI Zone. Managemient Act o f 1572, is- amended- ) t.h ro()U.gh F- or ida Of c of c:at aa mn F'L orl1d.- aDIepart men t of Enfv i ronflen ta l Re u Lati onl GB a nd 459 Fl or ida Dep a rtment of Nat uhr a L Resour-ces . F56b no-82-1-1 is ;i i Pr c ) prv j de ie has(-~]- . i c:: I:$t 1 Yft ye Fr -ic c daE -ta". - . ec s-55arv- .:Uo ':I I cl I- C. v dn I- riarh reh' u iic. -:--.a rstDffla1 mode~~ ~~ is, o j C- 1 d i si e.I c:' cI-f eace a rid e h. c.- rl es .o -I-heI con II lutes - par i a u I .f ma i- iet. o f c: ol.- atc: '1 url-a I. C) L:.i g at ions. 14 t e ed er a Y] os oe M i ieen rc a :o Iaioi riariaci~a ement[ Ac: C- ')IQ"?;'2 .-- as ,- amenId ed) 1]I - +h rugh !-hn !I F: 1r i di OfIc: ecr f Cc:. a.is N a .l- I Management s- uIII.) et toc)p r cv -,ji s. I0 ns- cf con a c: i-. - ~~~Ci 317 en -1 1. e d 1: ngI 9 I neer-. I- i g .' p p or F En I i) af Ic: em en I roc- ra ( iPc on- . I- r a c -t nC' :. 3$ :7 ) TN e t46,o r k< hI " as lo en a-l cj op te.d as a iea c: lies anIId S Ii c:.r e- s Te c: h nII ca . iandl D~es i q II hemf or and-. urn. I n a :c: orY dan -Ic.e w it hI P rI cov I s I on c:c' -f :- Ca pt e 1- 6' -'43 3 , F . A.) C.t A- t II le t i meI o f sul h 1, ss i -I on for-- c: on II r :t t u I- c:i1 c:' mp 1 p a nIc- e Ja1 es .. B a 1si 51 Lii w wafs - I he C on tra- .lct I-a nay en an'i Id A''Id (Ii -n-I s trat -r cit thIIe An I I i-. .v--ii-. R e sarI- c: Ih Sec: t i on -, 1-I a 1. N .. :Cie -n was Pi:tIrg i Ie -f c tIIf u I- .Lea ofT Ca s-F, a LI)~- Dta~ f."ic: iui s i t i on-I, i)eb or. C) I- . E A. Ft Ii O was i. I .e tCr, -f -F II b~ i v ~i s i o n o f Be a c II e s a- riId Sb or* esI- a rII ' F" . toI I c J .G i -1 cl sen ann -II wa I. I- 'a Ecl ut I i - 1)1 i C e. C: t o r co f 1, h ' Lep a. r eI men c of Na Iur a e eo ur -c e s ieU cir a II 1: At f l Li 1)i r- e c -1)o 1)1i v i s i,-I on of I-e a clII esA.. a nd( ShIo r e Property' Of CSC Library U. S. DEPARTMENT OF COMMERCE NOAA COASTAL SERVICES CENTER 2234 SOUTH HOBSON AVENUE CHARLESTON, SC 29405-24 13 ~~~~~~~~~(::NI?:NTS L Meho 2i. 4V ~.I... jD I- I: i 41 Method A i...'UL.I (b- fit i -tU A.4 FA A 44 A Ae d A A .44 A 44 .. ~ ~ ~ et o 2b. A 6 .. ~~It e . A 4 L.1-1 OFTALES AN FJU Tabse 2 fInvess-c of Beahes Aprand A 4hA4444444e4444 Tab Le 1 .4 Effshore erof Poe Curve Datf aL 7 a~io. FRi gu~re RanIId omf e x arn-p L es of p ower r- a u*- e f its A 9 C', F- F j: I.- j R,. E 17, R, I Ff 1: 1J U :cNG TillE P'OWER' CURNE FIT P-IR:F; I lEYF'LA NAT ]:N AiND: o~~I~ir b: y Jaimes -:. Il. Ba Ls i [L i e P Ia [vsy i s a nd F, Cs e ar ch 9 ,ec -t i o n Dur ea u o f C" :) a t a 1. D at a Ac kA i i .( t (:nI , 1) i v i s, i o n o f :c`e a 1. c: ? h - - nd ol cr Es, F, 1. o r i d a :Dep a r- t menI: O f N a tj u~ r a 1. F' c: es I:N TRO D(JCIT :1 ON rh IE "h or--e a nd(L �ea ch P re(~s e.rv a tI io n Ac t "o f t he 9 Iat-1e o f F l. (Dr i dia (s. j- ~ 1 56 1,(33 F.E,') ri-e,:iu i re s i den t i *fi C at.i on o:)f thIIa t p o rt i on o f t he b ea ch and( c:o a st t ha t wI i. L b e i mpa c t ed( b y a n ce~n g i n ee r i ny d es i gi n e v e ntJ des i g n a t eCcl as t h e i O l - y ea r" h u r r i c::ane i I ~e t he h u rr ic:a ne t ha t h as a I p er e nt- c ha n ce: o f oc(:c: r r nq in any 9 i ven s i ngj L e yea r> I n or--d e r to( d etIe rm i n e the w i cit h of t he iII mpac Ct z one ( me asru re(.d f roam t he_ sh ore L i n e a.- re f e renae d t F [ or i d a D e p a r fit e nt o f N\1at u ra I R esoa uc e s r ef er e:n ce fmton umite nt s- p La c ed o n ce e ve ry I 04)0 f e et a L ()n 9 c oa st a -: FLor id a) cer t a i n b as c dia t a a re r e,:: u i r ed t-o s u )ppo rt st at c -- of t h e -art A- (..i h y soph i st - i c a t ed a n d r i ~or ou s sc l e nt i f i c n u ne r i c a L p r ed Ic: t i onr m od e L i n g t e h n i que s ( ey Deea n a nd C h i u , I 981I a , - 961 - b , 'i 9 82) Basic support data coLLected by the Bureau of CoastaL Data Acqiuisition (BODA) are described by Sensabaugh, SaLsi [ie and Bean (1977) . Inc Luded in -this effort is the measurement of offshore prof ilIc data at 3000-foot i nterva Ls a Long coast al. F Lor i da .Offs~hore prof iLes usuaILLY extend 3000 feet seaward of- -the shore I.ine w ith sound ing and d istance measurements made at an averagie d istance of every 100 -feet-. A, count reveaLs that i f a IL c~ount ies W ith in j ur isdi c tion of, the "Shore and Beach Preservation Act' are compLeted once, a totaL of 72,600 data p t i .e eI bev at -.i ons anI]d d i di- saInaes). ce ..vc ar i bj i n9 thIne o ff sh or e are a va1 i Lb i. eNot ing tha I the Div i s ion of Bea ches and ThoVmres.: m us t p er- i oLi di c a b1. Ly r ev i e w F I.o i d a ' s sh. 1-:3or e 1. i n e s-t a Atius onr a c:c'u~ ty- y-c ou~ tybasis (tn tiy yset at 5 t::o un i es p er year) apirpr at Lysubst.'Itutinq if a hstI ~near ike.s) ani-d mus-t *tesse La-Ue. suc~h data formats to fac:i Li tate m tipIeand i nterac t i e adm in istra t ive and sc: i entI fi-fc:/e-r-irjiineer in-g needs in surppor t of stat ute req.:uireme-n-ts. then -the ma nag ementI of the offshore prof ilbe diata, a Lone, must be c~ons-i dereci ad; s i g ni fi ca n t .1 n a dd i t Ion ,i ti di v re..-oC: )n i z e.d th11a t th-1e c o mp i. e x i t y o)f rcea 1. i z i n q(: co a st a I. e n g n ne er i n g s o L.u t i on v:i s dc fi ma ind i n q, E and t In a I. a cc ep t ab i. e mte thIno ds w h c h c an s i mp: L i f y thIne app:)r)roach1- a re d esr i r ab I.e t1o a t t a i n . The n ee d f or ssiftip L icai ty i s p a rt i (-: uL bar L y- apparent in a regu La tory program where the q~ui ckness of response i me i s important (i.e., in F Lor idca subject to provisi ons of adm in is-trac t i e proced ures Law..-Chapter -120, F:'. E ) *rhe qoaLb of -th is work is to provi de an acptbI but- simpLified data base describing offshore profi be geometry for Florida coastal. waters. Furl-her discussion justifying such an approach and identification of additional application of the data base-, follows. THE OFFSHORE PROFILE MODEL The offshore prof i e might be more near by descr ibed as the "nearsh ore p.rofi be" wh ich extends fromf -the shiore Line of interest to just outside the zone of shore-breaki-ng wave actliv ity in what is common by termed the "Li ttora I zone'a 2 I c: on t gur a I on I thena hceF r(:f I.e ia :e c: (T-y1 er- ..d b iI, e I.ma i b Y a fn nc: T i onI- ot *I c. e I n I-Ien- wav e ma1 if te (h i- c~h hi a c a'.: ad oin ti a- p rof i 1. a . In on eog to a. b1 er- + i::s- ia r-e , I ad ol--- n te ch ara c tetr i st I ics :, o f t h, se.] cI m e-rit1 C: :ompf I.Yr ir. -t In the po f i La.. [ a wai- ve c 1. i mal c: C3 n n I-I a t .ltin ci~~~ ~ iOi d sten nIdac of wave - energy ia rr iva-. 1. ) act on(:,-- thIIe~ - ~ ~~~~ pro f I be 1Long~:. enT.o~u gh]- the -I -In te pro -f I i be ho u Id att Ia na eqci L.i hr i tim ~sha-pe Pr. u u. n (- j '4 ) In I i j. [L a d d essed At In ne farI- sh[Iore p r o f i b eq eu Ii hr i:I ru rn s-h aple c: oInc(:e 1 t us -I g prot..-fi1 (.. be ..Ia t1a f ro t ie No t ! hi a c: o.a st (:f 1) anmaY[ i .. r Y a ridc C a 1i for n. i a ,a n d szi cjst~zclthat i max' he ciiaint i-fied n b ci = a xC) wh~ In e c- d i s: thIne b. ci a L wita -ta ci -- e p t1 hi me a un acd f rom thI Ve sf.1 b b. water 1 [e ve b, ( i a W1. se Ga L v i -n ,i 9I 96$ f u -Ie-- -- . d e f in- itIon a- s thIne " s-[I a F' c oe (- -fi c i e n, 1" 1 is theI "sc(.aLeh ce f FiC ic let', and x i t he cii Itanic e o ff s-hAre D)e aIn k 97 7 ~' ag a i n aci d n e ssi-e d t ]lie c onYc: eptA u s i ri g !3C'2 pr-o f i La es f rc(- Im thIne U S' e a st coast ~-- A- ridthIe G u If aof M ex 1 c:o A dd I t- i oIna LiL y , h e p r c) v i daed hot I Inp h y s i c:a b. a i fInd (. thor a- t i c a L s u )ppo3rt I ye r ea s on-i iing -for at- :u a t i on Cy ) an-id s u ggest ed thI a t thIne vYa I u.a of th ` ne s c: a Lae cc e f f Ic: leint, bi, may be a cons.::anit of 2/:3. H ug as 1 73) a idn Hlughnes anid Chiu f C1 9'73) c: oidluctedc iaddi ie.: Inca researnc-hi (spoinsoire act ythe , thenf, 13,ureaui of BIe a ches- a-n d S'h orIesL) Ito a sse ss thIner--e b e van,.c:Y o f ec u a t io Cl )r a s p t p F' Li as tb n ea r s In o r a i'r o f i Laes of-1 F Ioni I- ci a 3 v ~ ~* C: h "I":' d Ml 2 v -f 1ed t o 13 ec: he ad -1- c S N o.. o ff:[sor e r'P I .I c. cza 1: 5 .I-.j I av ~ c:t.~ye f V T h :e "i e ~2 2 Met.H-od 2. E x p omen t C b) i: at 2/3, M et hoad 2 a DiI- r ct F`i Edx a (~~~~~~~~~~~~~~~~~4) - ~~~Method 2b . Log ar i t hin i a Fli t a EXP 4 1 /-0 1 E. Ln d) C 2/3 Z Lin .Yi P, (I e it o f F' I e (.Jc C tiI- e s T heC, jooclnI-IE s o.)f -f i t i s g I ye n b y Ithe P i e r son o: rd u c f mootsent cor-e La t*ion c~oeff icient wh ich may be founid inl anyy 4 .i t an~ld d r st a 1 i s t i ~s -xt I and I::b y the h oo(D t ea n-s~, uare Y'U 'YIor. _ v j yen by ii~~~ /n cid6 Y' Mi 5 wher-e d is t h e c o mp u Ite d va . Lue of ci If'lrom e."LuaQ1 i on ( i RE"ITULTS AND D DI ECU, I ON Fresen t a t i o n of Resu I t s Of fshare pawer c urve results are camIIp i e d an a c o un t y --by-ca u n I ty bas i s i n ta b u . a r f orar i n 11 A Z : :I:I .'T.ANDAR:D FLOR _0'l:EDA OFFI-HOIRE E' TAI1: SE. A par t i on a f I h e c a I a fo :I n d i a n R i ver countI y i s s h (own i n Ta b i1.e i t o i L ustra te the format of the standard -tab Les. The standard i zed tab Les are camp i Led under separate cover A;si nce they w iiL. be per iadicaLLY upda ted as new surveys are comp Leted. :n add i t ion, there are chaita ava i lab Ie -for surveys made dur ing nthe period i 97() tao 1I8 wh iich were not consistently formatted The Ana lys i s/Research Section is currentLy refarmatting aLL data to produce a consistent data base.. The status aof avaiLabLe i nf or mati on used to provide power curve fits, as of this report, is Listed in Table 2. The Natural Resources Management Systems and Services data processi ng center of the Deparltient of Nat ura i Resources is support iing the production of information such as that resulting from this ef fort. IncLuded is APL . . .. Ui Programming Language" . especiaLLy suited to scientific, T L.,~ I E. L a ft' L. e o f P-oL e r C ur--v e D -a � a, 'Ta b: u ILa- t i o -n INDIA N pIv ~: 1 9 2 Of fit or a S V a, 1) a � (d C cly , floC .. yr 2 :8 ~I I "7"' t o 2 9 11 7?2A b xp o nnt a.. :::: shap hef c, - : f n ~re[ i (iLtion c -eff I c: let -r for th -f IX xed pcal ta Iap . I es t o bot h cli Iec at and Loc ~:. tme th ods ) _ Zer I- .i1 !'FcxEil ., C).... H 1j: N 'TjF I Y ED AT'Y 2/3 -~ ~~~~ e Pef D i Ht 11) r --ec t Mie th od L clo MethIIo d VI Mo I- f ro ( I b a a r- i' a e VI~~~~~~~~~~~~ r 0l H.~: I"flS f 11 Jt 1 ~~~348..) 04313 I4221I*I'V'427 0,99 O) Iji 5,'2-IO9 ?EO12 24 2 l ., 2 R- 2M38.16 04611 0.239 2.24 3 O97?79 O Iu" "17 .743 O.�L 9f-r-OA I 48 48 F" 1 4 E4 05S2 3. O09 2.,672 0)9,.3 2 O0I1C6 2.iE 13 0,.989 I. 18 6 2 I3 F-Z 1?1 2741 0.1 033 2,7 01983 2~h 2449 0499 E.) 6 2.,E4 F-.3 2 1 O) O E) 00. 5 26 C.)4 '3 33. 647 0.. 975 0. ~1 96 2. "3 0- 399. 0. . 1 9'-5 2.~0 RI i 6(. 2 0473 04$?? 3,.629 0.-.966 O.,161 2.,457 0.988 C) 1562. 4389 R -- a 147..6 4624 04, 2(8 243 21 0. 983 Ih j 4 2 fl2 4 %O~.?I113 2 4I'.: . P-21 1 7O~9.. 3 0.52 5 O0 42:6:2.,9-13 07 97 O ~'1c64 3.~091 04.98MO,173 2 t'F P--24 134.6 ( 0.~5-3 0-.~342 24,949 0.,982 016 2 34044 09 91 O.172 3.,144 R ---27 1 96.~ 3 0!5 5 E 0. 321 -34086 E) 97 8 0.1 56 3. ' 04 3938 O. '7 3397 31~ I4, 1 47 , ,, D A92t),2 4020 4 At ~ 431 3. 175 04).9 9 (3.1 4 4 3.~-32 1 R -35, ~ 7' 3 ' l--9.4 I.2 3 2.,i 4-5 f,) 7i4 1 27~ 2'.4. 71209 )~ i. 53.1 C)99 ---~~~ 3 6 243A (75 . 97 )232.7O1, 0 0,4 21597 t) k)f t. 9 E?) 6 1 27. ---3 9 24 4" f�46 OA9 3 5` 97 "423 247 04 -1 35 4 ..-' -),9 4.273 P- 42 i O~)~ 2A7T 0 .326 1 34f) 0. 98 O.134 1 .9 0.991 .1 45 '.1 4 .5-7 i -.45* 263.4 0 ,4435 0.6 27 C04772 04,975 E).,131 1 . 409 09 92 O.,1 '59 2 .5826 4e--3 193.'4 0.49 0.,4414 1.9117 0~9 75, f3I.1 17 2.~ 497 04 991 0w.~147 3.,445 14--SI 1744,5 0.423 0.601 1.076 0.76 0411i5 1.66 0,993 0.14 2.556 P-4 12644 0,464 0.553 2.243 0.,972l 01 4 24264 04992 04,1 63 3.36 P--ST~~ 190.2 0450SO6 0.43 1,771i 0.975 0.~1 46 2.156 0.99 0.1i69 2.~759 1:,-63 213.3 04486 0.489 1.302 0.972 0.144 1,80? 0,89 03.163 2.374 R -66 232.5 0.446 0.5'79 1.062 0.77 0.126 14839 0.93 0.15 2.753 R-6 9 217.7 0, 482 0. 483 1.282 0.981 0. 135 1 .968 04993 0.156 2.606 R-72,1* 290.6 04586 0.269 1,819 0.985 0,156 2.0'75 04,99 04169 2.271 R-75 29'7.3 0.649 0.212 1 .885 0.909 0.182 1 .894 0.9 0.192 2. 09 78 171 .1 0.56 0.,3 25_- 2.~2 376 0 .987 04,163 2,363 0.9 93 0.17:3 2.484 P--I Si 490.9 O.5 1 0.366 1 4'742. 04 973 C0. 1 24 24 221 0.989 u, i 42 24,663 F--B 8:2983.3 0,396 0.79 24 395 0,.972 04). j54 3.tS8I 0995 cO.149 3.913 P"--ST7 228.,6 0.447 0.439 1 .979 04 973. 0.11 2.0 7 09 4 0124 2 .266 R *90 O475.9 O0.67 041 i79 2.01~9 O0.99?1 0.176 1.2193 0.,991 0.13i 3 I ~ F37 9 )3 2 95 9 0.709 '341i37 1 ., 4 O 0499 O, 2 2 1 .27 9 0.986 0.179 1 ~321 F-,--96-)( 259.5 0.609 0.284 1.60.4 0.988 0.197 1.581 0492 '3.2 1 .603 R-99*f 289.1 0.574 0.35 2.474 0.~9 85 03j35 2.,762 04991 04).2 3 .0C2 3 P,--102 429,3 0.477 0.571 2.354 04975 0,1V53 3.2. 0.99 0,191 4.304 'Tab i.e 2. .. iLve'lrt h it F ach .i' a id ci''I "ore.' :...S O' .or ' F 'r- oF i i.e i- a. t1 a . [C" ;O. NTv"i S'U 'vi: 'Y ROF:' F,1' : 'Fli M' 11E:.iD DA T E Fi,' A N D I!F:' !, ! F: 'u ' A. . A L. .AL. L ' E.F.. .'i.i ... F ...... . , I ... h3.,, . ' Nas."sau I::'eb, 1t' 974 28;r ye,. "~ C.- t ., 9 ~ 3 -i '- 6 yf"' e '9R Du) v a . M a r i 974 27 3. .l. [t 'l'' ' " .9A. u r3 i -1. J o h',s Aug 'I 9 7 2 6' yes F: I.a.. Ler Aug 1 972 34 "'" v o L u..- i a Jun 972 '9 n o B r eva r -:l1 t ::t 1 72 'd 4 ni Co LO1WER ;: I.: A S', T T i A,Sf' :in d ai n ; ' i ve' N o v 1 97 2 3j y e..; ; ' L. uC i e Jun ' 972 37'? 'no a r-' : i Ja n 9'72 43 'ino Fe ', F -e L f' '7 (3 �I ~" Feb'-'Mar 1 982 3'7 yes F:'a 1. Bfieac r D )ec 1 974-Jlan i 9'.75 76 Io ir o'wa r'cd O c: ' '- 'Dec: i 976 40 I-lco f N f t 9 Nov n 97. 9 3 n 9 Dade 1979 3' ? n o L. OWE3R G. L _F COAST: P i r e L I. a . c t' l- N o v i 97 4 6 'l:i Ma na t ee Aug 1 974 22 ye5 a r a.s'oti- a Jun-..u. sL 974 673 ye.s "D N f ov 't 978 2'1 n7o( Chrar L. oi l e ,Jun 1 974 23 ye.s Lee Feb 1974 8:3 no Co L L ier Mar 1 973 46 yes PANHANDLE COAST Fr-an lk . i n Jun--JuL 1 973 51 yes "H Apr 1,976 t 1 yes It JuL 198 i fi9 yes Guif JuL-Sep 1i'73 55 n' o Ba y Sep'-'Oc it 975 49 no) Wa Lt0c: t i O t, ,973 43 .e .s "U Oc it 1 975 .42 ye. May t1981 87 yes OkaL oossa Dec 1973 17 nri Ma t 9'76 6 nco E scau b i a Dec: 1 973--Feb t1974 '72 " 7 tasak *--r i en te d da ,e fro fita r f a ::m 1i s o f A: w aare h, as b eenF cieve I. ap e d -: 1:p r (:) d u c- e t li e) *Lat-. AF p " C) t::..) ":] r ft f Ir 1- I 1 I u P or t a f thie e F for t i , dlot:: u menf ed-..? i-ed n 1the Ap p e en1 d i Se L cc t i on a) f-! he. M e thld toa Ai: p L y 'ThNie L.west va 1. u o f e us ua L Ly I eieni t i f i es he - - esi t mie-t h ad t a use. Not e , howeve, t ha t -the c or r e la tI on cotf ficient shouLd be of sufficientl.y i gh magn it ude (i e.,, r ) 095500), L-ow vaLues of e (i e, e 1) I- N1.5- m g en er �al I.L epre~sen't non'-� 'to Low~-bar~redf pr ?r~ F i es and motderate~ va~lues osf e (I f , 125 e ( 4,O) genera l.ly r e p r esenI twe J. 1I fo(r m e d , ba r r e d pr o f i i. e s W hecre e i s g r ea t er t ha n about 4 . 0, -thNe app 1. i cab i Li ty of the f i t maY be sus pectc and s.houlId 'be checked aga instI thle actual. Beaches and Shliores prof i Le p Lot For instance, prof i!es Loca ted in or near in Lets general.lIy have h igh err or val.ues -for which Ii none of -the methIi ods may l:be applicabLe -, Add iti ona Il.y, Flughes (1978) and Flughes and Chi u (1978) -found that eqiua t ioni (1 is app Licab Le to about 1200 feet offshore. 'This restr ict: tion hoLds -for -the tab: u [a ted information of this report. Examp Les of prof i Le f i ts to Beaches and Shores Prof i Le data are presented in -the Fig ure UsefuIness of the Approach It has been previousLy noted -that the amount of offshore prof ile data, comprising onLy a fraction -f -the to-taL data collected by the Bureau of CoastaL Data Acquisition (i.e.,, does not incLude onshore beach and coast profi LI informa t ion) constitutes a significant data management effort on its awn. 500 1000 1500 E I..- . , Brevard County R-30 e - 1 t ' Surveyed in Oct 1972 - .an -20 - F A e 5x Best Fit Profile �t a = 0.03 b = 0.87 N - RMS error = 0.734 G -.D - Y D 40 - Distance Offshore in Feet 0 500e t000 1t5s E.... Brevard County R-S,1 '10- i -20 , Surveyed in Oct 1972 x Best Fit Profile F30 - a = 0.147 tb -3- b = 0.667 N - RIMS error = 1.299 .v 40,- D -50 Distance Offshore in Feet !:' i qtr::e:,.. Ra'n-d:::im exampI..e.:: o' 1 i:,.::,..,: e ,l::. : '.: i V.Ti.:, 0 500 1000 1 .0 fI - . , : ' ~ ~ I i . ' i t I E "S-x ....x St. Johns Count,, R- v20 fil @ Surveyed in Aug 1977 't -30 - _ Best Fit Profile a = 0.049 N b = '3.33 i 0- RMS error 1.352 D 50 3- Distance Offshore in Feet 0 200 400 6 0 0 0O 1000 120 o t1400 .-. ' , ' , , , I t , i ', I E - � Sarasota County R-6, 1 10 - x���...._, .d�� - ............ i 20� o Surveyed in Jul 19374 n F - x Best Fit Profile t 30-- a = 0.22 b = 0.625 N - RMS error = 1.73 . 40 - D -50 - Distance Offshore in Feet ." ; . 1...t. s- . . .i- 5 - 0, 5�0 t I . I 1500 E ' St. Johns County R-42 i2 -1 t ... i 2 Gl -.. n o-' _ Surveyed in Aug i1972 IF Ft -30.:l - 't Best Fit Profitle a = 0.223 N ' b = 0.623 G~ 4tJ _ F.RMS error = 1.759 D -- -50L Distance Offshore in Feet 03 2200 400 600 830 t100 1200 1400 e0? I ' I ' I , I , I ' I . 1 lE -m. .- Nassau County R-33 "'-"<f -z.x ... n 0 - o Surveyed in Oct 198 I ..... - F F x Best Fit Profile a = 0.172 N- 3 0 - b = 0.667 30- RMS error = 1.77 D - -40- Distance Offshore in Feet E7 ; .., , .-. ... ~, .........i-1' lips es t Fi P r 1; I e a~~~~~~~~~~~~~~ A El ~~~~~~~~~~~~~~~~~~~~~~~~~~I f -fl 1 ~~~Best Fit Profile a u.173 t V ~~~~~~~~b = .6 fIJI P~~~~~~~RS error 2 .338 -Ii ~~~~Distance Offshore in Feet 10H - Wato Cou nt t- -~ ~~~~~~~~~~~~~~~~~ 2 I~~~~~ ~ ~ ~ ~~ ~~~~~ Cl Ej 10 I 4 D I ~~~~~~~~~~ati C n t,- I 2) u~,r 3ee Oct Best F it Prof1 r ~~~~~~RMS error =3.02`3 t.I ~~~~~~~~Distance Offshore in F ~eet 'I ~~~~~~~~~~~* 0~~~~~~~~~~~ ~~I. O0 1 ,. E~~~~~~~~~~~~~~~~~~i . ...., nia n Ri ve r C o..untPiR27 F + 30 - 3 Be-s-t Fit P r of ite a.= 0.321 N ~~~~~~~b =0.558 4 4uG RPIS err or 3,8 D U ~~~~~Distance Offshore in Feet i- ir e (c C, -, t 1 3 Tnd ian RiVer CoUnty -2 n Su rve-' iz n RNov, 137l2 - t .~~~ ~- x ~Best Fit Profitea '~~~~~~~'~~~ M S e r ror 3 3091 4-O S ur e d i n tanc, tfsr in 9 I.... - V - ~ ~ ~ ~ ~ ~ ~D s neOshrin F ~ Sre~ediQt 3j- F~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~7. -boK~~~~~~~~~~~~~~ ThIIa 1 �he d es c:r. i pt- i on IIbf a n o ffsh,[IorI-e prI--f i Lte c an i:,e -1. Ia In. - t i 1- i ('C I b y on--Ie (:) t 140w p ar a f i (--nt erI s r aIt he- thIIa n 6( ci d p0 i n t s, (o IIthIe av-,-erI-ag~ie ) woa u 1. ci app r)e ar- t o b e di e s i r a b t e The r es u I.ts arI-e o f p a r t i c u t arI u se f u 1. nIesEs i nI f i e 1. di a p p L i ca ) ti ons Ee c a u se o f t lIIe s i m p 1. i a it y f t lIIe a p proI- a cII on II L a IIa nd-he i..ci 1.:da L cuL ta() -ta woau I.d i e re'x? :1.u i r-e d Even inI the of f ice where -the c~omp ute..r i s ava i iLab Le to ( pyr oc es s -the or i gj i na L prof i Le da ta f or c~oasta L eng i neer i ngj a pp iL i c at i nsthe use of the power curve -nearshore prof i Le r emia i nis ii i cji II y us f u I Or I i qi n a I p roaf i i e cia t a o:)f 1 en i i may c :onIt-1a I n nega t i ve s Lopes (e g s su cI a s t -those foaun-Id o n thIIe l. a nI.- wa rd s L.o e s a f u ub mte r ge d L)Ii gn shr II a r- E. I) a, wii IIi c.: ii n IA -trod u c e s ,n some fi i fit poar tanIIt ca s es , i IIt r ac t i b 1.e c: a if p Ltex i t i e s in t-II e sh [oraI e wa r di 1- r a nIs fora rft a -i on oIf c e r -ta i n t yp es o f~ [I y dir a ui L i c behav ior. Fower curve prof i Les, however , a Lways have pas- i t i y e v a 1. e s w II i c IIh -a y b e u se d iI n st1at e---- f ---thIIe--- ar t co(-;as t a L enIg in ee r nIj n u fte r i c a L p r oc: e d u r esi. I' i s th]Ie p ur pose o f t hi s wor k -to p rov i de a sys tema ti c method for I-le cornp i I.at ion of power curve ne arshoare prof i Lte d a ta f or F Lor id a o-eani- fronrt ing oas ta L wa ter s A c er ta inI a moun t o f s uchI i n for ma t ion)I I has b een c omp i I.ed on a c oun-t y--b y- coaun ty b a sis ( see TabL)Le 2 ) whi chI i s a va i 1a b Le f or use inI c oas ta L eng inener ing a pp Li ca t ions~ Ad d i t i ona L uses a r-c a LIso ev id ent- ; -for i ns -1a nc e, th11e i d en t i f i c a-ti onl o f c ons i s-ten t co(:a5-t a L un i t s a nd trI-end s, a nd t he b eh a vior o f p ro()f i LIec IIhang e throI aug h t i i-ne. 1 5 S tic-: h- d a I a wm i 1. 1. f I os I 1< i e I p ro(: v I i d (.,iII np or t.an I d aF. I a on wh I- c: toI as e in anr ay(:je m enut U- c: i s i onr- s A Such a- F'- p 1. i c a t i ns , i ow" eve r tm i IL ha ve. -tcf: aa i t comp i . at ion o) f a c::omfp, .. et. t dat : bae for pI- cr : 1"r ,I U -. a Br u ttn , l~ 95-4 , oast1 e-ros i c:'n- an t'he cieetoF e t o: f b a c:h F' of;(-~ I es LIr S l ~y , Bea c: i hEr--o s io ri 1-oar dci, -- fc: 1- 11 Memflo Nc 4 44: Den F-, G> 9 177, Erciu 1 1. i11 b i ur(n L ea c:hI Prof i Les U S Art I.a n 1. I c and GuIL -f of hex i c: c c: oa s 1t s: B:er n ci i n ee I Tic) 1:;'e P c:i-~ r1 N o 1 2 , I) e p a rI t, me tI . o f C i v i i in Il nee r' I n- cj In i v eT* s It y o:)f le I..,1 a wa reA Da n a k.- d2 C J h l u. , Li F Y i 9E, 192 , W a - I tonr Co ir y A rm ug mo()d e I .sj I u.d v : Beachec:s a nd Sho'res -eou et er Insvtt Iu te of Sc:i enice and PubI. Iac A ffa ir s ,FI'icia ta e Un i ye r sI ty, fcn- the ) DepFart-tmen-t of NatL R esouLre: e-sl Di 1 ion f Bea chies a rid 'Sl ores. Dea ri, G . B anrd Ch ilut T� Y . YA I91a,Da Cokurit y storm s ur' e md e I s t tidy D Oe p atI- -t ment A of C oa stia a and O c eanIIo r a ph i c E ng I TiCeT' I- n g , U n i v et- s- i ty Yo:f Fr' I or i ci a f for'I- t he D)e pa r m1(Ien 1' o f N at uti- a I R:,es5o urI c-:esA. , D i v i .e i on o( (f B ea: h -Ies a ncl SlIIa or es4 D ean-,- j: F.C.; a and C I i iii, TA~ Y . -1 9 G41:3. , Br (-)AtaT'd Ccwunt- y stAoT e-fi s urg e mode I stutdy : Dep ar tment� of Coasta I and Oc~eanogrT'aph'iiIc Eng ineerIring, tninIvet-s i'y o-F F LOT'idia , for t hfie Dpar ir of Nat ur-a I Resource~s, Di1v is ion of Beaches and Shoires. Ga lvii, CA J, Jr A) 1969, BTreaker'tT' aveL and c~hoi ce of cde'si nT wave he igh t: ~ourI n aI of !�eL WaLtl-wa' and Har'bors Division, A. S. C. L., v. 95, no. WW2, P. 175-200. Hughes, S. A., 1978, The variations in beach pro-fi Les whe.n a~pTox i mated by a theoret i ca I cu-T'yve: M. S. Tihes is, U-n ivers ity of F-[or ida., Hlughes, S. A. , and Ch iii, T. Y. A 1978, The var ia''IOtios in beac~h pro:f i Les when approx ima ted by a theoret icaLI c:urve: 'Tech. Report No. 039 , Depa~r tment of Boa sl'aLI a tic Oceanogr'aph ic Eng iinee-Iring, Un iver's ity of F-Ion'ida. Moore, B. D., 1982, Beach pr'o-f ILe evo Iut ion in response to changes in wa ten' Leve I arid wave heieIght M. S~ AThCeh iv, DepF'art ment of Civ i I Eng irimer ing , Un ivet-iity of D L~a ware. Sen-sabaugh, W4. Mi., BaLsi LIteI, J. Id, arid Bean H., N., 1977, A Program of coastaL dcat'a acqu isi t ion: Coasta I Sed i ments '77, A. S. C. E. , P . '1073"1 085. (-,'-al f-n- t i onsc --d va IabLe Lite i iL ti - I Uae w Y. i f ~n1: to I. L E m:t on ru. an--d, war a e Ls ar c Eo' -r- I q. h tadm rop ca o,- -yEf I 1, M andE a r-e-m t .is a. cI 1'7 f y 4 '.:1 T. F:TA ., t .2ccess t he cle :1 Z7 and "S'hor es n T.' f i 1. e, m a a f i Ot Oh a i n th e F L. E N1A ME_ FILE TYI"E. a n d FI--1LE MODE: o f i n t erIeas 1: Iand, Cit iTa the ChS -fi Le b-y the PrF3 key.. Tye, '- In , S',H APE .~., . n d entr h e F IL. E N A ME ,'T YPILE, and MODE asr re-ques1te 0 r li enI theCC cl omp ut edL d ata Cc? mp L1.a t i onr i co(II p ILet e c L ea r t he screen and type, , RESU LTS. No -te t ha t the procjrams are wrilten -to Ibe used in the r-PiL Fu.L L Ecreen * ~~~mode, where the COPY ON ID FILENAME faust be -executed just before l:REEULTS__ iH inil t ated -.'be sure- to COPY OF-F before -tine )OFF HOLD) AI ET R'A CT AND B OX CHECKNAME CLOSE CL O SEA LL (11M 11 C,0011D m CO0R R CF DOUBYRL E GET GETDATA GETFILE GETPE'G H OW LI NE FR, L7MEMB E R MEG OBLANKS LIPEN0 P--LOi PREPAR.,SE P:IRO CC PUT P UT FILE RES UL TE R IET R:AC T NC S HAP, " ESHA 0RES, EORTALF SORTf-)LFV TRANSDATE T YPE- U CT RA.,,NS VCAT XBLANKS "A A.LPH.I.1A A L PI-A NLI M B B BRE72F. BRE7 2P COLL7391 0 DA T 'DAT A D 0 ~T D ATF DAY DO' I ID2 ND-72.P M 0I NT H OPENFIILE-' PROCACri RNIIG NO ETJ82C: ETJ822 TABL TITL UCTI WALBi WAL8 D1' X xi Y YEAR Yl APA I APCMD APDSK< ~LQAi 1:1 r.RDAA iMG CPLEol)!E 0)H EEG] U IAPELAl A2; A3;:Bi i C; C6; EI i 172 jE3; IN; FT; I;,J K;I<;iNOFiI:,FROPROF; Rl R2; R3; 9 Z' 1;CHK<CI I I GF~T THE PRO0FILE 'DATA F ROM THE CMS FILE AND FIND 'THE OFFSHOIRE DATA ONLY'. CL S E ALL I E T3.I]'cD-AT~RGN*l r z! IL FL E NA ME: L ,:1 'FILE TYPE AND MODE:1 E 71 FT -1 CO] IN OPEN FT,I(FIX 370, cqj TrITLi-QET FN [101 L3:P*-(GET FN),(GET FN) I-,) R0F'-PR0,,.CHI< i *- t C.13) I~-i E14:1 NOFi-F0.2x4N4-PE-`05 106 107) [15) P[',2J r16) LI :PROi-PRO,GET FN [1 7) PROi--05+iFPRO Fi~l -*L~xkI<NOF+2 F20) PRO(.-73+PRO ['i I J(-i [231 PRO41S+34PRO. I 4) J~-J+i [26-1 DA'FA~- (pPROF)-i-2) ,2) PFROF 279 Ld CHK K1 ~I 01K 1 'L x Cf -K rL+ I] "'3 2 K + + C HCI-K -i 4,1 ? E34] X -X- D( ii. E 7- X-iE6+( 3( -+/X)50(,i )X= 37' 'y EKTHO K+ I L- IXPNEARNT NO FIXED, REC~ KOE CUV T 41 -I 3'r i itX 8(-';O El &, (ax(+/(Zil-Y)x)*) rE43j aMETHOD 2 -- EXPONENT NOT FIXED, REGULA 1`0EX CURE IT '- 47 Z1+-42xX*B� ~2, R17'X COR:R Zi E36] Ai'ETHOD 2A -- DIRCT METHOD C537 Zi ~-A3xX*21+3 R3-~-X CORR ZI ,2--, Ci -PX I x +/ (71 ---Y);*2) m- n03 Lr62 "' TR CC1~1 5 t-- i .5f TA4 I ) (.(5+t7iE - I, (.iSTRI II (i5 t TA2 A (5 +T E2)I E63] TABL+-TABL, STR :-65] DDi.-DO, A E66] DAY+-P[96I-t2l [67] MONT10-TRANSDATE P[98+i3] [66] YEAR,,FEiO1 +121 [69] DATEf.-DATE,i(DAY,MONTH,YEAR') [70] RNGNO~-RNGNO..RNG PFtG] vETDA~TA[Q]7 v GETDA~TA o1] CP 'LINK BEACHES 195 195 RR F<6CHES' lr2] CMS 'ACCESS 195 B' [~31 CMS 11LIET 4* * 7Q ETPEG [O]v 7 GETPEG T - 'I C.,I: I I.,'1 1 9 3 CBRE C E CfVC EUI I 93 4 V VIT~~-IRF Y;YX 1- Eq.P+4- X- (+/X)p X fY) )-+/( (X-( +/ pX) )*2) I ~1 fr~-Wy ; BY B[ix (+/X))( Y + (, Y)) +/X )x (+/ Y) - A2~- CX*2) '4-/X) i(2 ) ~pX) pi (Y2) + Y)* -0) R-N BtCI A 0T0*- 2 MESTRA. 10 1 Pl0123456769' )3 L i-pr N 3 Li+ -.SRI T,2 LCI 4UIX 4, PT R L( CflR*-( i OI)p -. ?]1 B*-R=STR I r13 K! P-C+(I-i )4N I 13 + P4-`,R ,9,TRAINESATE[Fl) v 9 MONe.TRANSDATE X;Ni;MOS;MON;X [2)1 10Si-' JANFEBiMARAF'RMAYJUNJUUAUGEEPOCTNIOVDEC [3) 46Xi(+/X=MOS[N1+(1 2 3)))=3 [4) NqI 'I-N I + I [53 -*3 [6) ONTC(I3)�) 9RESU'TE;,J; Ii;l;INTRO;DATAI ;DATA2;DATA3.;DATA4jDATA5;DATA6;DATA7;DATAB;DAT A9.iDATi ;MAXDATE;MINDATE [1) JeI �Ie:EIetS E2) K4-(pTABL)+9 2 0 H(R. FllI7r 'OWEIR C:LJI-eVE T.' r~ TITL LI- MAXDATE~-TDs"-Ti J-pDA'N I EliI MINDATEn-rDATl LI I ri2 'Offsh~ore Sk�rvey Dates (mo, day, yr) i' MINDATEC2+i6], tou 'TMAXDAiTEr2+ 6],1.I E 31 'b = expovient-; a shape coefficient, r correlation coeffizienIt, LE 41 '(c for the fixed exp data app Lies to both di;-ect anid L~og ;nethods); 1')] e R RME e r-r or. I ~~~~~Zer-o I !-Y -1EJT El~~ ED M A'26:3 C 1 1 ID MI-'P I NGVD II I. I F"e- IDi st I IDirect Method I Log Method I 1 non I iff. fi i b a e I- I a e r a e I I1 Mo n I ifls fi r- S1 r file 1-2-5I - DiLl'i I)pT0 B 7 Il INTRO-(K C, O) pI D 21 T~] KT I )pDD)�E 1 6 ) r23DAT~i(--(T(l<, I pDATACIl~I];16] 29] DATA2,*-(T(I<,I)PDATAi:;21)Ei6I 301DATA3-i-(T'(I(,i)pDATAC;31)F '6] ,331 DATA6i-(T(K,i )pl)ATPE;61)F 16] E'31'] DATA~-( K ~i ' DATAE j 7-1 )Ej'6l6 L"361 DATAB'-(T(K,i)fpDATAl�;8])rL;16] I- '17 DAI'Fi-INTROI 2] DATAI , 2] DATA2,r2] DATA3,E2] DATA4,�2] DATA5,[2] DATPI6,[2 I DATA-7,[21 OAThe,C23 DATA9 [391l Li :DATFEI+15;1 �40] -+L3xI1=(I1+(30xJ)~ �44] 4L4xil<K [45] **0x'tl=(5xLK4-5) �46] L4:1(-I+i �47] L2:DATrF[I;l �48] In-I+1 �49] 4L2xvl:IK �50] L3:Ji-J+l �52] IPn-11+5 �53] �54] �55] 4L!5x i ( ( �56] -K) �57] IE3 THERE IS ;NIO OFFSHORE PROFILE DATA FOR THISI SURVEY 21 GETP LOT in order to produce,~ a P LOt of the surveyed prof i Le and the .super ifiposed b est f i tpower c irve prof i Le, i nvoke program FI-OTT and provide the, needed input. Once PLOTT is� corip lete~d ~ he rul1. Then )L.OAD 2 GRAPHAPAK( and )COPY P'ROFILE YPLO. Execute !-I 0 and Provide the ra-kue~ted inputs Puti the p Lot in a CMS f iLe a~s re-juij red by GRi-F'HPA-'K PL.CLOTT;A1 ;A2;A3;Bi ;C;C6JEi;E;3FFTI JKNO;PPOPORiR23, TR I j CIAK CHK i CC- 81-GT THE P:ROFILE DAITA FROM THE ONES FILE AND FIND THE OFFSHORE DATA ONLY, j-3 TABL - !Ds.P` ~DD4-DATE~.-RNGNO~- I 4' IFTL. NAME:' 1 TLE TYPE AND MODE:1 L WH T-H RANGE MIONUMIENT NUMBER DO YOU WANT?' R N GIN 0_ 1- OPIN FEN FT, ' FIX .370' T G TIL GT FNI 2i L3<-G ET Fi) G GET1 F N 31 4 t ROt~P R)~GI , 80 0 ril 15]~ -P0-CA Io- i] NOFQ-F0 .2(. N+- P C 05 I106 1 07]I I1 9 : P R ID~.PI F, GET FN r'>'i F, R'0 - 7 ~PR 1 L 231 Ji-i [241 L2:PROF&PFROF,(iFRl.71) ,(A.PRQ[8+ t7] P 1, PO'~. i 5iP R r'106j J*-J+j L27] -L2x1J<(1N)+1 1-28 D A TA F,(pR 0F)42 2)pR RL'F E291J CHK-0ATAC;21.'0 [30O] L~-i Ci] L4:rj'Kl(.-CHKi,CHKICL]xCHKCL+lI [321 L~-L+i C331 4L-4xIL:�(PCIAK)-1) [35] Yi.K+DATA[;23 [36] Xi*DATA[jij : 37 ] 4IL3xi(pX1)=K [30] Yi~-DATALj2l L39]1 (Yi[Kl,Y1[K+13) L.INEAR(X1LrK]1Xi[K+iJ) [40] xi-X--AA [42] 4L3xK1t0X)<800 [4:3] Y~-i E-iG+( I VK+OY) [44] 4L_3x1RNGNO*(RNG PEI83) 2 2 PLO [I 'ENTER ALL REQUESTED INFO IN THE LOWER' CASE MODE. 4 ~~~F21 'C2OUN'TY NAME:' 13i CN-12 ~1 'SURVEY DATE:' Ffl1 DATE~-O L61 'RANGE ID:' 1:81 'SCALE COEFF '1.E_, A): 1:"11'SHAPE COEFF (I.E., EXP):' i 'RM 9 ERR-O R' i -3 RMSE-o f 41 ERASE ['R RESFTORE - it, yi-0, ix y '2i 5VF1 io 37 96 45 I~ IA,*-ETYLE 1 9 .COLOR 7 7 L22 ] LOTCY VS ;X) AND(YA VS X) AND(YEPYIX2) VS 0 C 23 -:- SPLOT(Y VS X) AND(YA VS X) AND(Y~pY]x2) %/S L24.1 1 ANNX 'Distance Off:5hore in Feet' C27 -i'O ANNY 'E~ev in Ft NGVD' F'a(((rpX])x,3,8),-(Y!--Y3)XO.3)) TITLEeCN,' County/ ',ID) 0'~~p1',X..),(YFpY]) ) TITLE('-" Surveyed in '~DATE) 001 o1 x ~3). (Yl-,YI])x1.3:) TITLE(' fie - F it Pro fi La 1 ( ) .~.4y ((YpY]x1 ~5))TITLE ' -3,3] ~'(,XFPX])x,'3.4), ((Y'LPY])X .6.)) TITLE~ 'b 'E [31] 0(cXp X] X0 4) ((YE pYJl . i75)) TITLE 'RME error = ' ,'RMf [ 32] V IETA 2 3