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1. Pencemaran laut
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DEFINISI
Pencemaran :
kejadian dan masukan limbah dan dampak darilimbah tersebut terhadap lingkungan
Pencemaran Laut :
“the introduction by humans into the marine
environment, directly or indirectly, ofsubstances or energy that can lead todeleterious eects on e.g. biological systems,human health, sheries, or reduce the quality
of the environment for use by the leisureindustry”
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TIPE POLUTAN
Buangan limbah material yangmengandung karbon
Nutrien * pada
konsentrasi tinggi Logam berat *
Hidrokarbon *
Komponen organik sintetik
Plastik Radio-nuclida
Heat
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SUMBER POLUTAN
Domestic euents
Industrial euents direct
!outfalls" and indirect!e.g. via atmos#here"$
%hi# origin !sin&ingtan&ers, 'ashing tan&s,
anti(fouling agents etc"
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)on(*oint %ource *ollution + comes from many sources
*oint(%ource *ollution + one s#ecic source
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Non point source
ebagianbesar
pencemaran di lautmerupakan non
pointsource ! i " c
u l t t o c
o n t r o l a n
d
c l e a n
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Point source #rash dumping
ludge
dumping $il spills
ludge %rom ra&se&age dumpedinto oceans
http:''coastalcare(org')+',,'plastic-pollution'
lean-up is still di"cultBut easier than non-point source
pollution
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AKIBAT POLUTAN
#oksisitas pada tubuh
.%ek sub-lethal
Bioakumulasi pada jaringmakanan
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FATE POLUTAN DI LAUT
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11/21/Harrison0
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FATE POLUTAN DI LAUT
umber :
iver runo
-tmos#heric de#osition
-nthro#ogenic #ath'ays dum#ing,deliberate coastal discharge, oshoreo#erational discharge
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13/21/Harrison0
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irculationpatterns:
transport2iamarinecirculatio
n system
/Harrison0),
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ea &aterreacti2ity :Biochemical Process
/Harrison0),
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OKSIGEN
P.N#3N4 5555o .lemen kimia penting di air
o !igunakan secara cepat untuk oksidasi
Biochemical oxygen demand(or biological oxygen demand),BOD
#ingkat oksigen yangdigunakan'dikonsumsi mikroorganismeuntuk melakukan oksidasi :
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Hubungan oksigen dan Polutan 555
6ikroorganisme
melakukanoksidasiterhadappolutan yang
terdapat diperairan
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o %ree o%o7idi8ablematerial
o o7ygen le2el
is higho bacterial
population isrelati2e lo&
• the addition o%o7idi8ablepollutant
•
the o7ygen le2eldrops becausereaeration cannotkeep up &itho7ygen
consumption• the bacterial
population rises
• highbacterialpopulation
•
2ery lo&o7ygenle2els
• terminates&hen the
o7idi8ablepollutant ise7hausted
• the bacterial
populationdecreases
• the dissol2edo7ygen le2el
increases
the water regains itsoriginal condition
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6asalah yang berkaitan dengan B$! :
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LIMBAH YANG MEMERLUKAN OKSIGEN
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