Annual contribution of sulfur dioxide to the atmosphere by volcanoes

Richard E. Stoiber, Stanley Williams, Barry Huebert

Research output: Contribution to journalArticle

122 Citations (Scopus)

Abstract

The average contribution of SO2 to the atmosphere by volcanoes, estimated largely by extrapolation from direct measurements of volcanic SO2, is calculated to be 18.7 Tg per year. Of this, an estimated 6.8 Tg per year (36%) is from non-erupting degassing volcanoes. Erupting volcanoes yield an average annual flux estimated to be 11.9 Tg SO2 per year (64%). The estimated total annual SO2 output is about 23% larger than the most recent estimate based on direct measurements. Our calculations suggest that 64% of the total comes from erupting volcanoes, as compared to 7% in the earlier estimate. Of the total worldwide annual SO2 flux, 9% is found to be from volcanoes.

Original languageEnglish (US)
Pages (from-to)1-8
Number of pages8
JournalJournal of Volcanology and Geothermal Research
Volume33
Issue number1-3
DOIs
StatePublished - 1987
Externally publishedYes

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Sulfur Dioxide
Volcanoes
sulfur dioxides
sulfur dioxide
volcanoes
volcano
atmospheres
atmosphere
Fluxes
degassing
Degassing
estimates
Extrapolation
extrapolation
volcanology
output

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Annual contribution of sulfur dioxide to the atmosphere by volcanoes. / Stoiber, Richard E.; Williams, Stanley; Huebert, Barry.

In: Journal of Volcanology and Geothermal Research, Vol. 33, No. 1-3, 1987, p. 1-8.

Research output: Contribution to journalArticle

Stoiber, Richard E. ; Williams, Stanley ; Huebert, Barry. / Annual contribution of sulfur dioxide to the atmosphere by volcanoes. In: Journal of Volcanology and Geothermal Research. 1987 ; Vol. 33, No. 1-3. pp. 1-8.
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