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Regional trends in freshwater alkalinity
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Global Environment Monitoring System (GEMS), Freshwater Quality Programme, United Nations Environment Programme (UNEP), 2001

 

 

Uploaded on Saturday 25 Feb 2012 by GRID-Arendal

Regional trends in freshwater alkalinity

Year: 2005
From collection: Vital Water Graphics
Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Description:
Alkalinity (as CaCO3) was analysed for all sampling stations available at the continental level. Concentrations remained reasonably steady between the two decades for Africa, Asia, South America and Australasia. Significant increases in alkalinity concentrations were noted for European and North American rivers, which may indicate a shift towards reduced acidic impacts at the continental scale.
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