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Forest influence on the surface water chemistry of granitic basins receiving acid precipitation in the Vosges massif, France

Probst, Anne and Fritz, Bertrand and Ambroise, B. and Viville, Daniel Forest influence on the surface water chemistry of granitic basins receiving acid precipitation in the Vosges massif, France. (1987) In: Forest hydrology and watershed management, August 1987, Vancouver .

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Official URL: http://iahs.info/redbooks/167.htm

Abstract

This study shows the influence of acid rain on the chemistry of surface waters in two small basins. The basins present similar altitudes and climates, only one is forested, and the forest decline has been clearly established. In both basins, rain water is polluted by acids (H+, so24-,N03). This acid input is neutralized in soils but the efficiency of that neutralization varies from one basin to another: (a) in the non forested basin, the alkalinity of surface water dominates the anionic charge, (b) in the forested basin, the strong acid anions still dominate the anionic charge of a just neutralized solution. The chemistry of surface water in the forested basin cannot be explained only by the incident rainfall and its partial evaporation. There appears to be a major input of pollutant through dry deposits in throughfall.

Item Type:Conference or Workshop Item (Paper)
Additional Information:The original version is published in : Forest Hydrology and Watershed Management : proceedings of a symposium held during the XIX Assembly of the International Union of Geodesy and Geophysics at Vancouver, August 1987 / edited by R.H. Swanson, P.Y.Bernier & P.D. Woodard. - Wallingford, UK : IAHS Press, 1987. - (IAHS publication n° 167) ISBN 0-947571-21-3. It's available at :http://iahs.info/redbooks/a167/167011.pdf
Audience (conference):International conference proceedings
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Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Other partners > Université Louis Pasteur-Strasbourg I - ULP (FRANCE)
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Deposited By:Emmanuelle Janin

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