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Dry deposition of sulfur: a 23-year record for the Hubbard Brook Forest ecosystem Cover

Dry deposition of sulfur: a 23-year record for the Hubbard Brook Forest ecosystem

Open Access
|Jan 1990

Abstract

Dry deposition of S was estimated for watershed-ecosystems of the Hubbard Brook Experimental Forest from 1964—65 through 1986—87. Two approaches, a regression analysis of bulk precipitation inputs and stream outputs and a mass-balance method, gave similar average values for Watershed 6 (430 and 410 eq SO4=/ha-yr, respectively, for this 23-year period). Dry deposition contributed about 37% of total S deposition, varying from 12% in 1964—65 to 61% in 1983—84. Long-term data from “replicated” watershed-ecosystems showed that temporal variability in estimates of dry deposition was considerably greater than spatial (between watersheds) variability.

Language: English
Page range: 319 - 329
Submitted on: Jan 5, 1990
Published on: Jan 1, 1990
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 1990 Gene E. Likens, F. Herbert Bormann, Lars O. Hedin, Charles T. Driscoll, John S. Eaton, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.