Spatial, seasonal and vertical distributions of currently-used pesticides in the marine boundary layer of the North Sea

Carolin Mai; Norbert Theobald; Gerhard Lammel; Heinrich Huhnerfuss

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Spatial, seasonal and vertical distributions of currently-used pesticides in the marine boundary layer of the North Sea

机译：北海海洋边界层中目前使用农药的空间，季节和垂直分布

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Pesticides are transported beyond source regions and reach coastal waters and shelf seas. 23 representatives of six chemical classes of currently-used pesticides (CUPs) were simultaneously quantified in the marine boundary layer and the surface seawater of the German Bight and the central North Sea in 2009 and 2010.Terbuthylazine, metolachlor, metazachlor, pendimethalin and trifluralin exhibited the highest concentrations, seasonally highly variable. Advection of contaminated air from land and subsequent atmospheric deposition was shown to contribute to surface seawater contamination significantly, in particular in regions beyond riverine input and during the main seasons of application in agriculture. Deposition was most significant for the seasonal and spatial distributions of pendimethalin and trifluralin. Atrazine and simazine levels in the air are lower than 1-2 decades ago.

机译：农药运输到源头地区以外，并到达沿海水域和架子海。在2009年和2010年期间，在德国湾和北海中部海洋边界层和地表海水中同时对六种当前使用农药（CUPs）的23种代表进行了定量分析。最高浓度，季节性变化很大。结果表明，从土地上污染空气的平流和随后的大气沉积对地表海水的污染有明显的影响，特别是在河水输入范围以外的地区以及在农业应用的主要季节。沉积对于二甲戊乐灵和三氟拉林的季节和空间分布最为重要。空气中去津和西津的水平低于1-2年前。

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来源
《Atmospheric environment》 |2013年第8期|92-102|共11页
作者
Carolin Mai; Norbert Theobald; Gerhard Lammel; Heinrich Huhnerfuss;
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作者单位

Federal Maritime and Hydrographic Agency (BSH), Bemhard-Nocht-Strasse 78, 20359 Hamburg, Germany;

Federal Maritime and Hydrographic Agency (BSH), Bemhard-Nocht-Strasse 78, 20359 Hamburg, Germany;

Max Planck Institute for Chemistry, Hahn-Meitner-Weg I, 55128 Mainz, Germany,Masaryk University, Research Centre for Toxic Compounds in the Environment, Kamenice 5, 62500 Brno, Czech Republic;

University of Hamburg, Department of Chemistry, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany;

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正文语种 eng
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关键词
Atmosphere; Atmospheric deposition; Currently-used pesticides; North Sea; Herbicides;

机译：大气层;大气沉积;目前使用的农药;北海;除草剂;

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Spatial, seasonal and vertical distributions of currently-used pesticides in the marine boundary layer of the North Sea

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