Distribution and Air–Sea Exchange of Current-Use Pesticides (CUPs) from East Asia to the High Arctic Ocean

Distribution and Air–Sea Exchange of Current-Use Pesticides (CUPs) from East Asia to the High Arctic Ocean

Surface seawater and marine boundary layer air samples were collected on the ice-breaker R/V Xuelong (Snow Dragon) from the East China Sea to the high Arctic (33.23–84.5° N) in July to September 2010 and have been analyzed for six current-use pesticides (CUPs): trifluralin, endosulfan, chlorothaloni...

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Veröffentlicht in:Environmental science & technology 2012-01, Vol.46 (1), p.259-267
Hauptverfasser: Zhong, Guangcai, Xie, Zhiyong, Cai, Minghong, Möller, Axel, Sturm, Renate, Tang, Jianhui, Zhang, Gan, He, Jianfeng, Ebinghaus, Ralf
Format: Artikel
Sprache:eng
Schlagworte:
Air - analysis
Applied sciences
Arctic Regions
Atmospheric pollution
Boundary layer
Chemical compounds
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental Processes
Exact sciences and technology
Far East
Gases - analysis
Natural water pollution
Oceans and Seas
Pesticides
Pesticides - analysis
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
Pollution, environment geology
Seawater
Seawater - chemistry
Seawaters, estuaries
Surface water
Temperature
Trends
Water treatment and pollution
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Zusammenfassung:Surface seawater and marine boundary layer air samples were collected on the ice-breaker R/V Xuelong (Snow Dragon) from the East China Sea to the high Arctic (33.23–84.5° N) in July to September 2010 and have been analyzed for six current-use pesticides (CUPs): trifluralin, endosulfan, chlorothalonil, chlorpyrifos, dacthal, and dicofol. In all oceanic air samples, the six CUPs were detected, showing highest level (>100 pg/m3) in the Sea of Japan. Gaseous CUPs basically decreased from East Asia (between 36.6 and 45.1° N) toward Bering and Chukchi Seas. The dissolved CUPs in ocean water ranged widely from
ISSN:0013-936X
1520-5851
DOI:10.1021/es202655k