Effect of Ambient Air Quality on Throughfall Acidity
Publication: Journal of Environmental Engineering
Volume 111, Issue 3
Abstract
Observations at Woods Lake‐watershed in the Adirondacks (New York) indicate that precipitation is further acidified by passage through coniferous canopies; conversely, passage through deciduous canopies has a net alkalizing effect. Both effects are dependent upon the levels of air quality. If the aerosol concentrations were to decrease to 35% of the current levels, both types of canopy would have a net alkalizing effect on incident precipitation. If the aerosol concentrations doubled, both canopy types would be net acidifiers of throughfall. The experimental procedure of varying aerosol concentration in an enclosed chamber may provide a means for measuring foliar exudation.
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Information & Authors
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Published In
Journal of Environmental Engineering
Volume 111 • Issue 3 • June 1985
Pages: 364 - 372
Copyright
Copyright © 1985 ASCE.
History
Published online: Jun 1, 1985
Published in print: Jun 1985
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