Coastal Area to Determine

Evaluating Environment, ^Erosion and Sedimentation Aspects ⁱⁿ

Coastal Area to ^Determine

Priority Handling (A Case ^Study

in Jepara ^{Regency, northern} Central Java, ^lndonesia)

by Henny Pratiwi Adi

Submission

^date

^:

¹

8-Feb-2A20

04 :20

PM (UTC+0800)

Su

bmission

lD

:

¹

25942260

1

File name: e_Study_in*Jepara_Regency,_northern_Central_Java,_lndonesia.pdf (462.52K) Word count:2674

Character count: 14009

IConCEES t7

1rl0 i?018t 0t20'12 ^doi;10. l0$8/1755-l3l^{5/ r40/ I /0 I 2042} Conf. Serics: Barth and Etrvttotrnrentlrl^Scicncc

IOP

Evaluating Environment' Erosion and Sedimentation ^Aspects

in Coastal Area to ^{Determine Priority Handling} (A Case Study in Jepara irtgt*V, northern Cential ^{Java' Indonesia)}

H,T#;d;rtl|,i'*ti**'*,

^{surtan Asung rsrsmic} universitv, ^{Jl. Rava} Kalignwe Km. 4 Sernarang, Indonesia

E-mail: wahy'utli@ unissula'ac

id

Abstrsct. ^{I\lattt' arcits} of the tttx'thct'tl ^ctxtstiLl itr Cerrutl Javu ltitltxtesia' ^havc betn sullurtng li()nr (l.tt))il!lc. Onc (rl tlle

""t' 't'l"pt'"'

^whielr hts lrcn.crpcrrcne ^{ing thrs} krntl ttl tlltnllt{t ^krt l.(r kilo'rcirc:

ll.ttt

tr'rirl

'z i"t"t"l':tl'il"g'x"n

All.du'iirtgrt rrcinrntly cirtr:xl h; ctxtstal crosirn, sc.irncrrtoti,xr..,nvirinn,.ri""iif.if lltxxling. Severti eltir'ts ht'e bee n d.ne' suclt os replanting tnrllllroves'

O"'ft""*''t*t"tt"i ""t

g"'int'-t''t it ^{still ctxrlcl} not nritiglttcd thc ctxstal cianrage. Thc purgxcs

t" tiitl''."ii"1..;-;t;;;

the.!-oastal darlages' to anidy/r ^hundling nri.r.rrv autl ro Llcrcrmrrc

.J.'i,ii;i**I,;, *,i.1. itt.

rt.,cthtrl u:*'tl ^irrc by idcntrlying ^anrl Dbttllif thc coastltl thlnitgc

t'"'int''"p'

^{asse ;sing} _'ctrc ^{t'f cach variable an(l} d('tcrlrlining thc .han,llirrg

prioritl ^ancl ,"i,rur.]'.,"i"i'p'r,,i.",irn _{.ni "r.r.} ^{rnerc arc fi r'c Irvcls of e trastal tl iunagc}

,i;;i'i;,1;i;,,,,iv'

^nirntcrs

; ;il;;il;'' 1"i'rllT [i:]ll:'I',:;ii.l;::i'l,i-il"ll.l'J-X,i;iI B,;; *

^{thc priorit\} asscssmcllt ()[c()rstal tlamagc' tt ^ncc'

dctail aurl i'rplenrcnriug,nr,il*ii

*n r"".ir* i"i.-,r"rpf"

nrrlnsrove. stntl nourtshes atrd hitrtl strtrt'ture. sttc'h ^as hreilkrvater' grotns and re\etmenl'

l.

lntrodtrction

SonrcgoastalarcasilrtlrcNorthcmCoastolJavalslandhavcbccndarnagcd.Thedamagearcaisabout 7.6 km

.f

^{rhe ?2 km}

r""e

"i:;;,,,I-lin"

ⁱⁿ

^l*pu*,

^{central Java.}

Thc ^{damagc rvas} mainly ^caused by coastal er'sion. ^.l.his coastal erosion brings

,urn, "trl.t* ^to

the settlemeflt .nearby' fish ^ponds'

agricr,rlturar a,d rou.sr

"r;'rrh;il;;'lign [ono*i. ,"i". irr.

The problenr in the coastal area is not only erosion. but also

."0,"*"i*ii"".-goit ^oi

^the paramcter; involvc envirorrtncnt problctn' although

'"':';:::':i#:Tl,ililL:.,i",T":l",il"li'.Xl'iij'l;irrg.mangrove,

revermenr,

a'd

groins lrowever' ^trre problern of crosion ^f,ur

roirl]nf-rJ i*t. f

^{n* *.,1,,*f to}

'tif'.

^{the cnrstal} daurages is by assessing and dctcrrnrning rhc hantllrng pri.riir.-in'nn* ^sig-:,

tl:

^{arca requires} lo dcvclop infrastructure ln thc other si<lc. rhc aLca ucccls

,ffir;;;; n

in,.nun..121. Thercfrre,'it is requiretl

to

6are priority orders ancl

hanclling ^srages. -flre prrp.,r*

i,iirris

^{srud','is to}

*up ,h.

^soastal _.dama*e- ^to analyze the priority lrandlingrrroclelandtodercrtninetlrecoastrllprotectlonnrodelwhichisobscrvedbyelrvironnrent.

crosion and scditncntation aspLtts' 2, Literature ^Review

.lcpararegel*-,vistlnettl'tlreregcncicsirtCentral]i.va.Thisregcncyissclcctctibccauseitsbeachhas varirxrs nrodels and tlrc trxrisnr areas. Jepara

r.g.o.tf

is aboJt 100313 ^lrectares

or

1004 krn2 wide'

CI4rc-'$,l;;'lJlill1:;fiff1';,Hlff'f"#-\[':I:il*"fiJi:',itrlX,JJ;1,,l*l':,'*l:I:iffitsvrunhcrdis'|rit*iru

ililb"u

^{un l",} li&'(r: l'l loP Pubtilhitrg

Ltd I

IUonCEIIS

14$ (?ol8) ol2t!1? rJoir I{}.1088/1755-l ^{3 i 5l} l40l I /0 t2{}17

i{}9 Cont,Seritsr Eartli sud Euvirotlmental ^Scicnee

This area is kxaterl at

lt00

36,20

,

_to l100 5ti. ^{15,, East} Longitude ^and 050 43 ,]0

,

_{to 060 4?} ^,,14',

tt"*l;;allalt,tr

thc geographical location. Jepara Regency ^has a c,nstlitre which strctcht's from ^thr"' bor.clcr D.nr*k Rcpr-n.r ,"

I'i:'il;;iir.'i*:i"r'p.ir"ncgcncv

ⁱⁿ thc ntrrth

lt\

t()titl arca is around

7l

kmr 131. As showtr

i" r'ii"""i ,'if'" "t*'t'l

^area

ⁱⁿ

Jcirara Regcne'y includes Dislrict

ol

^Kedung'

:irllunon. i*pura' Mlonggo, llangsri' ^{Kembang and} Dontxojo'

Figurt I.

^{Str.rd;-' l-ocation}

^ol

^{72 km} o<xtstal line in leparu Rcgcncy' Ntrthern Ccntral Jarit

Accordrng t() thc guidelines ^ltsed in the Damage Asliesslnent anti the Priority Hal]dling contained in rhe nurnual ot rhe N,linistsr.ol Public Works

oithc

Republic o1 lndonesia. No',08/ SI1IM 120

l0' I'{l'

dtcrc arc irvc lcvcls ol damitgc in ctxtstal darnage asscisnre*ti ^{aamely as} light darnagc (LD)' nredium i*1.r.,"^"r', (H). very t1*u"y

iiHt,

^and extremely heavy (EH). In assessing thebeach danuge' it is used ,u., uppr,*"t to the ^coastai enoironment, ^erosion or abra:ion and damage of truildings, ^as well as the prrblems bccausc ol setlime ntation.

Thc environntental tiarnage can

[x

shown in the resitlerttial areas and public facilitirlrs' aglicultLrral rrreas (fields, gardens, an6 pirndst ncar cmstlinc. Sc'cral ir,pacts ^o,ccurrcd trom-the damage' such as

;;;;r,;"r';.,1['tion,

lntruriJn ot ,"u

**,.,

into gloundwater or rivers' r\n''tgt.oYffigging in ^{the coastal}

*r.eu. miningllestructiott of co'al ^rc,Jfs in

.ourt l

^ur.u,, tidal flood ^cuuscd 5y ie& leYel'rise rlndland subsid*nce [5!.

-llrere _arc t\!o pdl'ameters t0 asssss tlre danritge. The first one is erositlni abrasion which can change shoreline position. -[he secontl _Parameter is emsionl abrasiotl u'hich c*used damage to the building Iiruntlati.n arxl tlre buildlng

itr.li.

Sntt," areas nlust be moved to the upstream land of ccxrstal areal6l'

Mcanrvhilc,therclrctwoissucsforanalyzing theproblernso[sedinrentation; thcsedinlentationol non-shipping river estuary arxl the river estuirry that set'les as shipping lanes l7l,

3. Rt.seirrch l\{ethodologY

-fhc mcthod ol' the study is to itlentifying anrl nrapping coastal danutge, tletcrmining the ^variablcs scoring. anrl cleterrnining the priority.scJes in one program [ttl- ^The assessmellt was done to the

,

,

ii

2

!

tt:otcenSWlfi I0P'l'ultlishing IOP:C6nt, $trir*r ^Uarth lrrd Bnvrlanrncrtal Scicncc 140 t20ltl) 012&-12 doi:lt).10$8i 1755-lll5ll40/1/0120"12

coastal lr-xatkrn d.uruge. tl.atings on the site were dorte separately fiom other loc*tions. Supposcdly by varicrics of darnngcs, the asscssment shcrrld hc conducted to the *,orst clarnagcd ltrl:ation. Bascd on the detcrnrination criteria, surveys. questionlaires and interviews. the following prioritized aleas were t$tain131l: tJ.jungwatu Beach in the district ol Donorejer, Mulytrejo Beach in the district of Donorejo.

Bandengln Bcach in the distriet ol'Jepara, Tanggul Tlare Beach in the district o1 Ker.lung. Bulakbaru Be ach in the district oi Kedurrg, Senrat Beach in the disrict of Tahunan. Bondo tseach in thc district

oi

Bangsri, Kedungmalang ueach in the distric of Kedung" Kalianyur Beach in the district of Kedung, Surodndi Beach in the di;trict of Kedung [91.

Irronr ihc s1[ve-vs. qucstionnilires and intervicws. lln asscssmcrit o{ danragc lcvel

ald

thc prioritl"

scalel rvere corrducted _I l{)l.The questioners havc been distrihuted to .5 (five) irihubitanls firr each atea

uf observatior.r. 'l"he surueyors interviewed the village chief ttf each location. The weight values tlre levcl t:l'danrage according to the guidelines: light d*nrage (LD) = 50, medium (M)

-

^100, wcight (W)

-

^150. ver!, weight (VW) ₌ 2(X). e:ttrerncly heav-v (EH) = 250. In deternriling ^the otder

ol

handling prioriry. rhis rssue

wrs

based

on

the cumulative rveiglrt valucs: Priority

A

^(htgitly pret'erred / emergcncy) > 3[]0.

ttiority

B (highly preterred) = ^226-300, Priority C (pret"ered)

-

l5l-225, Priuity D (less pret'erred) = ^{76- I 50,} Priority E (ncr preferreel) < 75.

4,

Resrdt &ntl Distussion

Thc nupping ol'co*stal damage was corrductetl along the crxrst I}onr Donorojo district (cast ^iu'c.a) to Kedung district (ii'est area). Tlre rcsults of nrapping data ar: the damages which rvere caused try the clung,es

ol

cnvironment, sedirnentation and coastal erosion

llll. ^It

^{can be seen} on Figure 2. The ligurc shoivs the nuntber ol cach lrratkrn area evaluated in thc three principal aspec'ts ol envircnmcnt.

sedimentation urrd eroshn.

I

nunrbel relatod to cach location cvaluated.

(poirt in red cakrr)

Based on the er,aluation of cnvironment. erosion and sedimentation. thc detailed coastal dantagc

ol

Jepara Regcncy can br dtvided as tbllows: The District of Donorojo (a) consists of Ujungwatu Beach.

N,lr.rlyorejo lJeach, and Jcluk Beuch. The Distrist

of

Kembang

ft)

^consists

^ot

Bakrng Beach ald

ry

, ,---"-. I

tconcErsfitr

IOP Puhlishrnu IOPConl'.Series: llarthandEnvinrrrmcntirlScicnccld0(?0ltl)012042 doi:10. l{)l'llt/1755-l3l5/l40lll0ll{}42

Balrran Beach. Thc District of Bangsri (c) consists of Bondo Beach. The District

of

Mlonggo ^(d) consists

ol'

^{Kcpoh Bcach.} Thc Disfrict ol'Jcpanr

(c)

consists of Ilan<lcngan lleuch. Thc District tlf

-fahr"rnan

(l)

consists ol"l'elukarvur Bcach. Semat Beach. The District

of

Kcdung (g) consists of 'langguI _lJeat:lr. IJulakbaru Bsrch. I'anggung Beach, Surodadi Beach.

'l'he lirllor.l,ing ligules shorv sonrc exanrples

of

beach area cvaluation. 1'hc I'igures describt thc position arrtl one ol'condition.

Ii'igure 3. Sedinrntation in Ujungwatu Beach of lhnorr{o District (in a locotion)

t'igure 4. Ilosiorr in Mulyore.io Beach ol Don<rojo District (in a location)

F'igure 5. Ermion in Bayuran Beach of Kembang District (in h krcation)

4

{

lConClEES

14{'.?018) ^{012042 doi; 10.10S11i I} 755-l3I 5/I40/ l/0 t20't?

lO? Ciinf. $critsr ^{Earth Bnd} Envirortmcnurl ^Sciencc

Iigure

6. [irositln in KePoh Ileach oi l\'llonggPDistrict (in d location)

Figurr: 7' Ilrosion ^ot't Awur Beach of^{Tahunan in}

I

krcation)

!"igure

L

Erosion on Baru Beach of Kedung District

(ir

g lmation)

Ilcsidcs cvaluation 0l'snvironment, erosion *nd scriirnentation. this level trl beach intercst also evrluatcs the

fpe uf.pr""

utilizatkln inclucling itrea of the protected trcach I worlcl heritage consrrvati<u' international scale;

tirirrist heacles in ^{narrsnal 5."1e .-places} ut'*,tirship, ^places oibtrsiness' industry, sr:uurit,v l'acilities' urban' ^stale roucls, airports. hartrors

&

outei islancls; tourist ^beachcs

in

provincial scalc' placcs

of

^{worsho' placcs}

^ol

business, industry. detcnse, airporl. provincia'l

ruds;

tourist beaches in city scale, settlement$ in local scale.

village nurkets, village xuxir, placci of wrx'ship, itnrl

lrral

^osononric intsrcsts; agriculttrral lantl (rice fields' I'irrrni, ponels)

of

thc peopk:rnd agriculural activities. ^unuseel land rvlrich ^cloes

&)l

have ectxromic and cnvironnrentxl inlpact.

ilascd .n all asscssrne nt

ol

the level ol'<lamagc. it can be tletermincd scale priority lrarxlling as listcd in -l'rtrlc

I

lCon(lII]S

%,,

IOP Publishing IOP Conf. Series: Eirth and Ervironncntal Scicncc 140 (2018) 0120"12 doi: 10. l0lt8/l 755- ^I 3 I 5/ 140/ lrc I 2Ol2

Tabk l.

Assessment Analysis of the coastal darrurge and priofity scale determination

(-srd dmB hd

Irldty

rl, t r9) r-llr {rr l1 trr)

l.$d tldr (U. lrd (ld.

I Cor d UpE\iu-&{'

tlilrtf,,m.[.rl)!n ^{drr l.} l,rl l1{ I lll st: ttr I fF (' n

l ;lw dl [l]lrti.,,De

tlslrbnrt. it- Ktt qrrtop. ll 1m

(,

\rl 2A) n (' o lspdrhr.,

C@( d !l,lt,t(i,. h!

Brdry[af ^,. E! Ihro!, ll Irl ^{100 (- t:r 0 1: r.S*rXr'J}

I (iN,lSdrer D.!lltu1 l..l lra c ll0 s T tffiPdritr-{

(ocol B{*r. ^D6a &nr,. ll al i() 5P: l:i B 6:: 1) 6ti ! l1-V&'iO.S

:os d Psf$r. h

hryry. ke Xdtuq. f,t, l: ll) ^{l) | 8r.-( (' tl} S-Adrtr.{

a.\rir .! -Ll d $ t, . D$i

Irlditru (.r'InMs l.: L\: I f,i ltr t) ( l: lU.Stinilr.l

llia!$!,r. Kr. I).nn,'n' l-l ^D lt:.1 D 1:

Basrd on tltc asscssrncut ol'thc lcvcl of danrage and the scale of priuitics. the tbllowing p:ints are showni almost

all

coastal locations suffer frorn damage which rvas caused

by

natural lhctors (abrasionierosion). sedinrentation and environment

[2ll ^wind

^{and waves are}

^the

^{factors that}

contribute. a vcry big impact kr coastal danlagc as happcncd in Donorojo Bcaclr. Thcrcfirrc. lrarricr bcach lruilding to br:cak w.ltcrs or groins is urgently needed; bascd on thc survcy rcsults. waves werc uuackingscvenrlareutypesthattleternrinepointol'priorityscale;thehandlingprio.ityofthisstudyis adtiressed to the ls priority to ^8'r' priority.

5.

Conclusion and recommendation

Fronr thc <liscussion. thc writen corrclude that almost all of coasts in Jepara district.re d:rnurged. The coastal areas are: threc locations in the District of Donorojo. two locations in the District of Kenrbang, one location in the District of llangsri. one location in the District of Mlonggo. one location in tlie Disrlict ol'Jeparr, rwo krcations in the District of "I'ahunal. and six locations in the District ol'Kcdung.

Thc

handling

pritxity in ^tlris

^{study was addrcssed}

to

Ujungwatu Bcach. Bandengan Beach, Tanggultlale Bcach and Bulakbaru Beach. The pliority lmation needs to tre lollowed up with Detail Engineering Design (DED) and its physical realization.

Ackrxlrr'lcdilEcnt

The authors are grateful for the financial support from Directqate of ^Research and Sociay Service (DRPMr. lr'linistry of Research, Techndogy and Higher Education Indoncsia. Thc gratitudc is also addressed to those r*ho helped the writers' in data collecting and to Fatkhu Husni in data processing.

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lll

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T ^{B & Wilbanks} T

rise, *rrd vol

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rn 3 PP@ru

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llan ger polder, Semarang Clity A case sludy t{} identifYdift'sent^emerge ncy scenarios Wrtter

Pr.utt.l'ttltrrol., ^vol

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no3, pp 637

Evaluating Environment, Erosion and sedimentation ^{Aspects in} coastal Area to Determine priority Handling (A case study ⁱⁿ Jepara ^RegencY , northern Central Java, lndonesia)

ORIGINALITY REPORT

17" ^{13,n 12v, 13,n}

SIMILARITY INDEX ^{INTERNET SOURCES} PUBLICATIONS STUDENT PAPERS

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Submitted to University College London

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"lnvestigation of Non-Darcy ^Flow for Fine Grained Nflaterials", Geotechnical and

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