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Forsiden av dokumentet Trends and patterns in surface water chemistry in Europe and North America between 1990 and 2020, with a focus on calcium : ICP Waters Report 156/2024
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Trends and patterns in surface water chemistry in Europe and North America between 1990 and 2020, with a focus on calcium : ICP Waters Report 156/2024 ICP Waters Report 156/2024

The report presents trends in major anions and cations, pH, TOC and bicarbonate in surface waters in Europe and North America from 1990 to 2020. Special attention is given to trends in calcium, which showed some unexpected increases. The trends in calcium are analysed in relation to changes in bicarbonates, organic anions, and deposition loads. The surface waters show strong signs of chemical recovery.

Publisert

Eier

Norsk institutt for vannforskning (NIVA)

Mottaker

Klima- og miljødepartementet (KLD)

Forfattere

Rolf David Vogt, Jens Arle og Kari Austnes

Språk

Engelsk