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Freshwater Alkalinity, 1976-2000

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.

Year: 2005

From collection: Vital Water Graphics

Cartographer: Philippe Rekacewicz, Delphine Digout, UNEP/GRID-Arendal

Tags: graphicsmaps recoursces!

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