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

GENE E. LIKENS, F. HERBERT BORMANN, Lars O. Hedin, CHARLES T. DRISCOLL, JOHN S. EATON

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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.

Original languageEnglish (US)
Pages (from-to)319-329
Number of pages11
JournalTellus B
Volume42
Issue number4
DOIs
StatePublished - Jan 1 1990
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

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    LIKENS, GENE. E., BORMANN, F. HERBERT., Hedin, L. O., DRISCOLL, CHARLES. T., & EATON, JOHN. S. (1990). Dry deposition of sulfur: a 23‐year record for the Hubbard Brook Forest ecosystem. Tellus B, 42(4), 319-329. https://doi.org/10.1034/j.1600-0889.1990.t01-3-00002.x