An illustration of the relative contribution of emissions in each of: 1) North America, 2) Europe, 3) South Asia, 4) East Asia and the 5) The Rest of the World to the modeled global concentration of alpha-HCH in the surface layer of the atmosphere. The plot in the lower right shows the time course of emissions of alpha-HCH in each of the 5 regions.
This video was prepared by Pascal Tay using model results from the BETR-Global contaminant fate model as a contribution to the Task Force on Hemispheric Transport of Air Pollution in a project funded by the Swiss Federal Office for the Environment.
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