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ȹƯ > ȸƮ
Science Report - 2
[öƽ̾] Է 2019-09-07 15:55:20
"öƽ Ȳ ذå б å - 2"

3. öƽ ̼öƽ ȯ

.

öƽ õ ȯ湮 ܰ, Һܰ, ܰ еǾ ܰ躰 ǰ , ܰ躰 캸 . öƽ ȯ ü ؼ ȭöƽ ü Ƽ ܷü(Styrene monomer) 뵿 Ϲ߻ ʰ ٰ , ȭ ܷü(Vinylchloride monomer, VCM) 뵿ڵ VCM ̶ Ҹ , , Űֿ ɸ ʰ ٵ ִ. ڵ öƽ 뵿ڵ ⼺ ߻ϴ ̿ ⿡ ǰ , ϰ ִ Ϲ 뵿ڵ ߺ ְ ǰ ִ(UNEP, 2018).

öƽ Һ õ ü ؼ öƽ ÷ Ǵ ŻƮ(Phthalates), (Nonylphenol), A(BPA), Ұ (BFR) δ. ̵ ÷ ȯȣ̶ Ҹ к Ȥ ߾Ϲ(Carcinogenic) Ȯ ǰų ߿ ֱ ̴. к , 索, ı, ֿ ִٴ ְ, к ýۿ ¾ ߴ޿ ̻ ʷ ִ. ӽűⰣ Ư ŻƮ ھƱ ŰȰ ֿ ִٴ ִ(UNEP, 2018).

öƽ ܰ迡 öƽ⹰ óϴ Ÿ Ȥ Ұ, Ȱε, ܰ迡 ȯ湮 ߱ȴ. , Ÿ Ⱓ ӿ öƽ صǸ鼭 Ÿ ߻ ÷ ȭй ħ ִ ִ. Ұ 쿡 ҵǸ鼭 Ұ ִ. Ȱ 쿡 Ȱ ϴ 뵿ڵ öƽ ϴ ߻ϴ ع ִ.

öƽ õ ̻ ȯ湮 ̹ μ, öƽ üظ ߱ ִ ÷ Ϻ ǰ ְų ü ߵǰ ִ. ۾ ȯ湮 ⹰ óϴ ߻ϴ ؼ ü ȭ ذ õǰ ִ.

̿ܿ öƽ Ͽ ֱٿ Ӱ ΰǰ ִ ȯ湮 ؾ öƽ ⹰ ̼öƽ ̴. ʱ⿡ ȯ濡 öƽ ⹰ ٴٷ Ǿ ٴ ǥ 鼭 ؾ ظ ߱ϴ ΰǾ, Ǹ鼭 ɰ ̼öƽ ° ̻罽 ü ϰ ǰ ְ, ü ̻ ų ִٴ ˷鼭 ɰ 巯 ִ. ؾ Ͽ ȯ濡 ϰ öƽ ⹰ ̼ȭ Ǹ鼭 ΰ ִ Ѿ δ ϱ Ȳ̴.

öƽ ¿ Ͽ öƽ ٴ Ӱ ȯ湮 εǰ ִ ؾ öƽ ̼öƽ Ͽ ¸ 캸 Ѵ.

. öƽ ̼öƽ

Jambeck et al.(2015) ϸ 2010 ؾ ԵǴ öƽ ⹰ 4.8鸸~12.7鸸 濡 ϴ Ͽ. ٴٿ ϰ ִ 192 ؾȰ 50ųι ̳ ְ ߻ϴ öƽ ⹰ 99.5鸸 ̸, 31.9鸸 ʰ ǰ ִ ⹰̸, 4.8鸸 濡 12.7鸸 ؾ Եǰ ִٰ Ͽ. ؾ ԵǴ öƽ ⹰ 192 ߻ϴ öƽ ⹰ ѷ 1.7%~4.6% ϴ ̴. ؾ ԵǴ öƽ ⹰ 20 , ߱ е , ߱ Ͽ ε׽þ, ʸ, Ʈ, ī ƽþƱ 5 ϰ ִ(<׸ 1.19>, <ǥ 1.7> ).

Schmidt et al.(2017) 10 ū ؾ ԵǴ öƽ ⹰ Ͽµ, ߱ ڰ ؾ ԵǴ ⹰ 1.5鸸 9 ԵǴ 纸 3 ̻ Ÿ(<׸ 1.20> ).

öƽ ⹰ ؾ ڷ ùθ͸ Ȱ 翡 ̸ پ, ϱ ؼ ִ. ̷ Ѱ踦 Ͽ, ͸ Ͽ 4 (ٸγ-, ܽźŸ-, -ƽ, ٵ-) (<׸ 1.21> ). غ 1ȸ öƽ Һ ǰ(öƽ ) ü öƽ ⹰ 54~59% е . ̳ ߱ öƽ ⹰ ſ , ߱ 쿡 忡 Ǵ Ƽ ǥ ſ Ÿ Ư¡̴(UNEP, 2018).

ؾ Ե ⹰ öƽ ⹰ , ط 鼭 ؾ Ű ִ. Ư öƽ ⹰( 1 ̸ PE, PP, EPS öƽ ⹰) 쿡 ٴǥ ٴϸ鼭 ȭǾ ̼öƽ ߱ϰ ִ.

ؾȰ ؾ öƽ ⹰ 뷮 ϴ ߱ ƽþƱ 쿡 ̼öƽ 󵵰 豺 Ѵ(<׸ 1.22> ). 󿡼 öƽ ⹰ ط ȯϸ鼭 ؾ ̼öƽ 󵵸 ϻӸ ƴ϶ ȮŰ⵵ Ѵ(GESAMP, 2015). 뿡 Ǿ ִ Ŵ ⹰ (ؾ öƽ ⹰ е , Great Pacific Garbage Patch, GPGP) 160 ѹα 16̸, 8 öƽ ⹰ ְ, 1.8 ̼öƽ ִ ȴ (Lebreton et al., 2018). ΰü Orb Madia 2017 ֿ ǿ 14 Ƿ Ͽ 159 ̼ öƽ , ü 83% ̼ öƽ Ǿ. ̱ 94%, ٳ 90% ̻ ȮεǾ(Orb Media Ȩ). Ӹ ƴ϶, ǸŵǴ ̼ öƽ ߰ߵǾ, ȸ PET ̼ öƽ ߰ߵǾ(Oßmann et al., 2018). ϱ ó ϰ ִµ, ϼ öƽ ǰ ǰ ̼ öƽ, ռ ߰ߵǾٴ ִ. 󿡼 öƽ ⹰ Ÿ Ӹ ƴ϶, ̼ öƽ ῡ Ͼ , ϼ 翡 ̼ öƽ 󵵰 ٰ ǰ ִ(Zubris et al., 2005).

. öƽ ̼öƽ

츮 ؾ⹰ ͸ , öƽ 56% ϰ, ׸񺰷 Ʈ Һ, , , Ƽ ǥ Ÿ(, 2018) (<׸ 1.23> ).

ѱؾб(Korean Institute of Ocean Science & Technology, KIOST) ϱ .ؿ 21 ؼǥ ̼öƽ Ͽ, 18 غ ̼öƽ Ͽ. ؼǥ ̼öƽ dz(abundance) ܱ ϰų .7) 18 غ öƽ ⹰ ߴ öƽ ⹰ ܱ Ͽ, öƽ ⹰ dz ſ Ÿ. ̰ ٸ öƽ ȭ ſ ߵǴ Ƽ ڿ Ÿ. ؾ Ǵ Ƽ ʴ dzȭ Ӿ ȭ ֱ ο Ƽ ⹰ Ѵٰ ϴ ȯ ̼öƽ ȴ(ѱؾб, 2015).

ѱؾб з ̼öƽ ܷ , 0.07±0.31/g, ġ 0.12±0.10/g, 0.34±0.31/g, 񿡼 0.08±0.08/g Ǿ, ٸ 3 з ǹϰ . ̼öƽ ƿ, Ƽ, ʷ, ׸ 4̾. ̹ ܿ ٴ . з 4 ü ̼öƽ ֱ 3Ⱓ(2013~2015) 2 ǰ 4 з 뷮 ϸ з 4 1δ ̼öƽ 뷮 212 Ǿ(ѱؾб, 2017).

ȯ ̼öƽ ϸ ġ 12 ߿ õ 1 1ʹ 1 ̼öƽ Ǿ, 24 , õ , 3 ģ 1ʹ 0.4, 0.6, 0.2 ̼öƽ Ǿ(ȯ ڷ, 2017).

ؾΰ 뿡 ǷϿ 2017 2018 ʱ õϿ ̼öƽ ܷ¸ 6 õϿ ̼öƽ Ǿ. õϿ 100g ִ 242, ߱ õϿ 17, õϿ 28 Ǿ(MBC ũ, 2018 9 3 ).

2. ̼öƽ ؼ Ȳ

1. ؾ öƽ ̼öƽ

ؾ ԵǴ ſ پ öƽ ָ ̷ ְ, 9 ϵ 뼭 Ͽ ؾȿ ⸦ Ͽ , 75% öƽ Ǿ(OSPAR Commission, 2007). ؾ öƽ ַ , ǰ , , öƽ Ʈ, dz ǰ, Ǵ ľ õ ǰ Һ̴(Gold et al., 2013). öƽ Ⱑ ٴٷ ԵǸ ط ٶ Ÿ ̵ϴٰ ط ٶ 5 Ư (gyre) ̰ ȴ. Ư [North Pacific Gyre Ȥ Great Pacific Garbage Patch(GPGP)] 160 ǰ ִ. Ե öƽ ٴ ǥӸ ƴ϶ غ 𷡻 ٴ ü ϰ ְ, öƽ پϴ(<ǥ 2.1> ). ̷ öƽ ̼öƽ ּ ȴ.

öƽ پ е DZ е öƽ ǥ鿡 ߰, е öƽ ɴ´. ؾ öƽ ߿ ַ PP(䱸Ʈ , ) PE(öƽ ι, ) öƽ Ⱑ κ Ѵ. ׸ е öƽ ɰ, ̻ öƽ Ͽ öƽ sink DZ⵵ Ѵ(Engler, 2012).

2. °迡 ̼öƽ

Carpenter Smith(1972) ϴ뼭 öƽ ִٴ ǥ ̷ ؾ öƽ ֱٿ Ȱϰ ǰ ִ. ׸ ȯ, ؾ, ǰǾǰó, ѱؾб, ؾб, ѱȯå򰡿, ѱؾ羲⿬, ȯ, ()ٴٻ츮ⱹο, ()ƽþƹٴٰü پ , ⿬ , ΰ , ȯ溸ȣü п öƽ ̼öƽ ؼ ǰ ִ. ̵ ̼öƽ °迡 ġ ⿡ ټ зϴµ, ̼öƽ, öũ ̼öƽ, ôߵ ̼öƽ , ôߵ ̼öƽ , ̼öƽ ̴(·, 2014; ȫ, 2015)

. غ(𷡻) ̼öƽ

̼öƽ غ Ӹ ƴ϶ ߰ߵǰ ִ(Juliana et al., 2014). Thompson et al.(2004) 18 غ, Browne et al.(2010) Ÿ ؾ 1 ʹ̼öƽ ϰ Ͽ, Costa et al.(2010) ϵο ġ Boa Viagem غ öƽ 1 2 öƽ Ⱑ ߻ϰ ִٰ ߴ. ܿ ʾ 迡 ϴ غ(𷡻) ̼öƽ Ǿ ִ ڸ ̴. ׷ ̵ ڵ Ҹ ؾ ԵǴ öƽ ̴ ̾߸ ̼öƽ ذϴ ּ ̶ Ͽ.

. ؾ öũ ̼öƽ

ٴ ǥ鿡 öũ мϿ ٴٿ ٴϴ öƽ ̼öƽ 1970 ʺ Ǿ(Carpenter & Smith, 1972). 1970 ʱ ϴ뼭 ؾ ǥ鿡 ä ڹ(Sargassum fulvellum) ÿ Ƽ öƽ 縴(ũ 1~2mm) ߰ߵǾ. ̰ öƽ Ⱑ 1970 ٴٿ Ͽ, öũ ÿ ä öƽ 縴 ϰ ϽѴ.

öũ ÿ ̼öƽ ϸ öƽ ũⰡ ؾ翡 ٸ Ÿ. Law et al.(2010) ϴ뼭 ο ī( 22~38) ִ Ŵ뿡 ؾ öƽ 뷮 , ̰ ַ 10mm öƽ 88% ϴ Ÿ. ׷ ó 뼭翡 ʾ(reef fish) , , ʰ(Decapoda) 濡 ƴ϶ ó öƽ (5mm ũⰡ 85%) ߰ߵǾ(Ivar do Sul et al., 2013). ׸ Shaw Day(1994) , 1980뿡 翡 پ öƽ 뷮 Ͽ.

. ؾ ôߵ ̼öƽ

ؾ ôߵ ̼öƽ 뿡 ַ ǿ ǽõȴ. Thompson et al.(2004) ؾ ôߵ ̼öƽ ϴ ϱ ̼öƽ ܰ, ̿ 鿡 Ų , ̼öƽ Ǵ Ͽ. ܿ ȫ(Mytilus edulis) ̼öƽ Ϲ ȰǴ ̴. Browne et al.(2008) ȫ ̼öƽ(1mm ) 12ð ̳ ϰ ̼öƽ Ǵ Ͽ.

ٸ ػ(Holothuria) ȰǴµ, ̳ ä ػ Ϸа PVC (0.25~15) ȮϿ. öƽ ʴ ̷ ػ ü ϴ ο ΰ ִٰ Ͽ.

° ǥ ôߵ (Daphnia) ü ̼öƽ Ǿ(<׸ 2.1> ). ̴ ̰, ̼öƽ ̵ ̴. °迡 ̼öƽ (Daphnia galeata) ָӴϱ ̼öƽ ħ ߴ ϴ ߰ߴٰ ߴ(Cui et al., 2017). Ư ̼öƽ 83% ߰, ü ϴ Ҹ ķ 27~42% ϴ ȮϿ. ̷ Ҹ ֿ ŭ, Ҹ Ұ ֿ ̶ ߷ߴ.

. ؾ ôߵ ̼öƽ

̼öƽ 밡 ߰ߵ ġ ̼öƽ ߰ߵǴ ̼öƽ ؾ ȣۿ뿡 ۵Ǿ. Boerger et al.(2010) ֱ GPGP ϴ öũ (planktivorous fish) 35% 忡 ̼öƽ ߰ߵǸ鼭 ôߵ ̼öƽ 뿡 ִٰ Ͽ.

40 ٴ(seabird) öƽ 뷮 ܷ ϸ, ̵ öƽ κ Ȯ ϰ macroplastic(5mm ̻) ̼öƽ(5mm ) Բ ϰ ִ Ÿ. ôߵ ̼öƽ ̼öƽ ̵ ӿ ܷ ֱ ̴. Teuten et al.(2009) Tanaka et al.(2013) , (Calonectris leucomelas) θ(Puffinus tenuirostris) öƽκ Ǿٰ Ͽ.

. ̼öƽ

ֱٿ ̼öƽ پϰ ǰ ִ. Ϻ ؾȿ ä PP öƽ ũ ٴ幰κ PCBs, DDE ٷ Ǿ ִ Ÿ(Mato et al., 2001; Ogata et al., 2009). GPGP ĶϾ غ ó ŵ öƽ ⿡ PCBs, PAHs DDT Ǿ ִٴ Ǿ(Rios et al., 2007). Gouin et al.(2011) Ҽ öƽ ⿡ ȴٰ Ͽ. öƽ ľϱ Ǿµ, Rochman et al.(2013) HDPE, LDPE PP PET PVC PAHs PCBs Ѵٰ Ͽ, HDPE, LDPE PP öƽ ǰ PET PVC ǰ ؾ ū ظ ִٰ Ǿ.

<  3. ؾ ̼öƽ ° ؼ ̾ϴ>


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