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Regional alkalinity trends

Year: 2005
From collection: General archive
Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Measuring alkalinity determins a stream's ability to neutralize acidic pollution from rainfall or wastewater. Alkalinity refers to the ability of water to resist change in pH. The graphic shows global comparison of alkalinity measured in milligrams per litre, for the years 1976 and 2000.
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