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Spring Melt and the Redistribution of Organochlorine Pesticides in the Sea-Ice Environment: A Comparative Study between Arctic and Antarctic Regions

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  • Marie Bigot, Griffith University
  • ,
  • Darryl W. Hawker, Griffith University
  • ,
  • Roger Cropp, Griffith University
  • ,
  • Derek C. G. Muir, Environm & Climate Change Canada
  • ,
  • Bjarne Jensen
  • ,
  • Rossana Bossi
  • Susan M. Bengtson Nash, Griffith University

Complementary sampling of air, snow, sea-ice, and seawater for a range of organochlorine pesticides (OCPs) was undertaken through the early stages of respective spring sea-ice melting at coastal sites in northeast Greenland and eastern Antarctica to investigate OCP concentrations and redistribution during this time. Mean concentrations in seawater, sea-ice and snow were generally greater at the Arctic site. For example, alpha-HCH was found to have the largest concentrations of all analytes in Arctic seawater and sea-ice meltwater samples (224-253 and 34.7-48.2 pg center dot L-1 respectively compared to 1.0-1.3 and

TidsskriftEnvironmental Science & Technology (Washington)
Sider (fra-til)8944-8952
Antal sider9
StatusUdgivet - 15 aug. 2017

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