The Role of the Ocean in Global Cycling of Persistent Organic Contaminants

Released on by Irene Stemmler
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  • The Role of the Ocean in Global Cycling of Persistent Organic Contaminants Book Detail

  • Author : Irene Stemmler
  • Release Date : 2010-03-10
  • Publisher : Springer Science & Business Media
  • Genre : Science
  • Pages : 107
  • ISBN 13 : 3642050093
  • File Size : 4,4 MB
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The Role of the Ocean in Global Cycling of Persistent Organic Contaminants by Irene Stemmler PDF Summary

Book Description: Persistent organic contaminants, which are bioaccumulative and toxic are a concern for the ecosystems and human health and are regulated under international law (global and regional conventions, besides other). If semivolatile, they cycle in different environmental compartments and follow complex transport pathways. The ocean is believed to play a key role in the cycling by accumulating and storing the contaminant and providing a transport medium. But substance fate in the marine environment is not fully understood yet. Here, the global multicompartment chemistry-transport model MPI-MCTM is used to study the fate of organic pollutants in the marine and total environment. For the first time historical emission data are used in spatially-resolved long-term simulations of an insecticide, DDT, and an industrial chemical, perfluorooctanoic acid (PFOA). The model results give new insights into the cycling of these substances as different spatial and process resolutions were tested. E.g. for DDT the model results show saturation and reversal of air-sea exchange, which was not indicated by any other study before.

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Interactions of Land, Ocean and Humans

Interactions of Land, Ocean and Humans

File Size : 61,61 MB
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Written by Chris Maser, one of the architects of the sustainability movement, Interactions of Land, Ocean and Humans: A Global Perspective explores a critical n