Microplastics in sub-surface waters of the Arctic Central Basin

MARINE POLLUTION BULLETIN

卷:130

Article

Kanhai, La Daana K.^1,2  Gardfeldt, Katarina³  Lyashevska, Olga¹  Hassellov, Martin⁴  Thompson, Richard C.²  O'Connor, Ian¹ 

[1] Galway Mayo Inst Technol, Marine & Freshwater Res Ctr, Dublin Rd, Galway, Ireland

[2] Plymouth Univ, Sch Biol & Marine Sci, Marine Biol & Ecol Res Ctr, Plymouth PL4 8AA, Devon, England

[3] Chalmers Univ Technol, Dept Chem & Chem Engn, SE-41296 Gothenburg, Sweden

[4] Univ Gothenburg, Dept Chem & Mol Biol, Gothenburg, Sweden

关键词: Microplastic;    Marine debris;    Arctic Ocean;    Sub-surface waters;    Pollution;    Water column;   

DOI  :  10.1016/j.marpolbul.2018.03.011

来源: Elsevier

【 摘 要 】

Polar oceans, though remote in location, are not immune to the accumulation of plastic debris. The present study, investigated for the first time, the abundance, distribution and composition of microplastics in sub-surface waters of the Arctic Central Basin. Microplastic sampling was carried out using the bow water system of icebreaker Oden (single depth: 8.5 m) and CTD rosette sampler (multiple depths: 8-4369 m). Potential microplastics were isolated and analysed using Fourier Transform Infrared Spectroscopy (FF-IR). Bow water sampling revealed that the median microplastic abundance in near surface waters of the Polar Mixed Layer (PML) was 0.7 particles m(-3) . Regarding the vertical distribution of microplastics in the ACB, microplastic abundance (particles m(-3)) in the different water masses was as follows: Polar Mixed Layer (0-375) > Deep and bottom waters (0-104) > Atlantic water (0-95) > Halocline i.e. Atlantic or Pacific (0-83).

【 授权许可】

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