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The Effects of Climate Change on Persistent Organic Pollutants (Pops) in the North Sea : Volume 10, Issue 5 (10/09/2013)

By O'Driscoll, K.

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Book Id: WPLBN0004020714
Format Type: PDF Article :
File Size: Pages 33
Reproduction Date: 2015

Title: The Effects of Climate Change on Persistent Organic Pollutants (Pops) in the North Sea : Volume 10, Issue 5 (10/09/2013)  
Author: O'Driscoll, K.
Volume: Vol. 10, Issue 5
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Su, J., Mayer, B., Mathis, M., & O'driscoll, K. (2013). The Effects of Climate Change on Persistent Organic Pollutants (Pops) in the North Sea : Volume 10, Issue 5 (10/09/2013). Retrieved from http://hawaiilibrary.net/


Description
Description: Marine Research Group, School of Planning, Architecture & Civil Engineering, Queen's University Belfast, UK. The fate and cycling of two selected legacy persistent organic pollutants (POPs), PCB 153 and γ-HCH, in the North Sea in the 21st century have been modelled with combined hydrodynamic and fate and transport ocean models. To investigate the impact of climate variability on POPs in the North Sea in the 21st century, future scenario model runs for three 10 yr periods to the year 2100 using plausible levels of both in situ concentrations and atmospheric, river and open boundary inputs are performed. Since estimates of future concentration levels of POPs in the atmosphere, oceans and rivers are not available, our approach was to reutilise 2005 values in the atmosphere, rivers and at the open ocean boundaries for every year of the simulations. In this way, we attribute differences between the three 10 yr simulations to climate change only. For the HAMSOM and atmospheric forcing, results of the IPCC A1B (SRES) 21st century scenario are utilised, where surface forcing is provided by the REMO downscaling of the ECHAM5 global atmospheric model, and open boundary conditions are provided by the MPIOM global ocean model. Dry gas deposition and volatilisation of γ-HCH increase in the future relative to the present. In the water column, total mass of γ-HCH and PCB 153 remain fairly steady in all three runs. In sediment, γ-HCH increases in the future runs, relative to the present, while PCB 153 in sediment decreases exponentially in all three runs, but even faster in the future, both of which are the result of climate change. Annual net sinks exceed sources at the ends of all periods.

Summary
The effects of climate change on persistent organic pollutants (POPs) in the North Sea

Excerpt
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