Stable sulfur isotope ratios as a tool for interpreting ecosystem sulfur dynamics

R. D. Fuller, M. J. Mitchell, H. R. Krouse, B. J. Wyskowski, Charles T Driscoll

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Stable S isotope ratios (σ34S) were evaluated in soil solution leachates, soluble plus adsorbed soil SOinf4 sup2-, soil organic S, precipitation, and in stream solutions along an elevational gradient at the Hubbard Brook Experimental Forest in the White Mts. of New Hampshire, U.S.A. The σ34S of soil organic S varied with soil horizon and vegetation type, but was generally more negative than adsorbed or soil solution SOinf4 sup2-. In the Bh horizon, σ34S of organic S was typically more negative than the Oa horizon or lower mineral soil (Bsl). The patterns suggest a combination of plant and microbial fractionation processes. Stream σ34S values decreased with decreasing elevation and were correlated with decreases in SOinf4 sup2-concentration, suggesting an additional S source in higher elevation coniferous sites with a unique σ34S.

Original languageEnglish (US)
Pages (from-to)163-171
Number of pages9
JournalWater, Air, & Soil Pollution
Volume28
Issue number1-2
DOIs
StatePublished - Mar 1986

Fingerprint

Sulfur Isotopes
sulfur isotope
Sulfur
Ecosystems
Isotopes
stable isotope
sulfur
Soils
ecosystem
organic soil
soil
soil horizon
vegetation type
leachate
fractionation
isotope
Fractionation
mineral
Minerals

ASJC Scopus subject areas

  • Water Science and Technology
  • Pollution
  • Environmental Chemistry
  • Environmental Science(all)
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences(all)

Cite this

Stable sulfur isotope ratios as a tool for interpreting ecosystem sulfur dynamics. / Fuller, R. D.; Mitchell, M. J.; Krouse, H. R.; Wyskowski, B. J.; Driscoll, Charles T.

In: Water, Air, & Soil Pollution, Vol. 28, No. 1-2, 03.1986, p. 163-171.

Research output: Contribution to journalArticle

Fuller, R. D. ; Mitchell, M. J. ; Krouse, H. R. ; Wyskowski, B. J. ; Driscoll, Charles T. / Stable sulfur isotope ratios as a tool for interpreting ecosystem sulfur dynamics. In: Water, Air, & Soil Pollution. 1986 ; Vol. 28, No. 1-2. pp. 163-171.
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