NDLI: Acidification trends in surface waters in the international program on acidification of rivers and lakes

Content Provider	Springer Nature Link
Author	Newell, Avis D. Skjelkvåle, Brit Lisa
Copyright Year	1997
Abstract	We applied trend analyses to data from the International Cooperative Programme for Acidification of Rivers and Lakes in an attempt to discover regional patterns of long-term changes in surface water chemistry both in Europe and North America, and to relate these changes to trends in deposition. Decreases in surface water SO$_{4}$ $^{2−}$ concentrations predominated at European sites in the Federal Republic of Germany, The Netherlands, and in Norway, and at the North American sites in Ontario, Canada, the Adirondacks and Catskill Mountains of New York, U.S.A. Other predominating trends in the European sites were decreasing Ca$^{2+}$ concentrations at many of the sites in The Netherlands, Norway, and Sweden. Increases in NO$_{3}$ $^{−}$ were observed at several sites in southern Norway, and in the Adirondack and Catskill regions of eastern New York. This, combined with an increased occurrence of declining base cation concentrations may well be responsible for the lack of documented surface water recovery from acidification. Despite region-wide trends in several variables of importance in acidification, no correlations between surface water trends and changes in deposition were found using these data.
Starting Page	27
Ending Page	57
Page Count	31
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	93
Issue Number	1-4
e-ISSN	15732932
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Acidification trends sulfate nitrate United States Europe Hydrogeology Environment Atmospheric Protection/Air Quality Control/Air Pollution Terrestrial Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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