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

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MAI Carolin THEOBALD Norbert LAMMEL Gerhard HUEHNERFUSS Heinrich

Rok publikování 2013
Druh Článek v odborném periodiku
Časopis / Zdroj Atmospheric Environment
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Doi http://dx.doi.org/10.1016/j.atmosenv.2013.04.027
Obor Znečištění a kontrola vody
Klíčová slova Atmosphere; Atmospheric deposition; Currently-used pesticides; North Sea; Herbicides
Popis 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
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