Gas transfer velocities for SF6 and ³He in a small pond at low wind speeds

Jordan F. Clark, Peter Schlosser, Rik Wanninkhof, H. James Simpson, William S.F. Schuster, David T. Ho

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Gas transfer velocities for two gases, SF6 (sulfur hexafluoride) and ³He, were determined in a small pond by injecting a mixture of these gases into the water and monitoring the decline of their concentrations over the next eight days. For wind speeds between 1.5–2.5 m s−1, no variations of gas transfer velocity with wind speed could be resolved with our data. Gas transfer velocities at wind speeds greater than 3 m s−1 were substantially larger and consistent with other lake tracer experiments. From the ratio of gas transfer velocities for SF6 and 3He we calculated the Schmidt number exponent to be 0.57±0.07.

Original languageEnglish (US)
Pages (from-to)93-96
Number of pages4
JournalGeophysical Research Letters
Volume22
Issue number2
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

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pond
wind velocity
gases
gas
sulfur hexafluoride
Schmidt number
lakes
tracers
tracer
sulfur
exponents
lake
monitoring
water
experiment

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Clark, J. F., Schlosser, P., Wanninkhof, R., Simpson, H. J., Schuster, W. S. F., & Ho, D. T. (1995). Gas transfer velocities for SF6 and ³He in a small pond at low wind speeds. Geophysical Research Letters, 22(2), 93-96. https://doi.org/10.1029/94GL02410

Gas transfer velocities for SF6 and ³He in a small pond at low wind speeds. / Clark, Jordan F.; Schlosser, Peter; Wanninkhof, Rik; Simpson, H. James; Schuster, William S.F.; Ho, David T.

In: Geophysical Research Letters, Vol. 22, No. 2, 01.01.1995, p. 93-96.

Research output: Contribution to journalArticle

Clark, JF, Schlosser, P, Wanninkhof, R, Simpson, HJ, Schuster, WSF & Ho, DT 1995, 'Gas transfer velocities for SF6 and ³He in a small pond at low wind speeds', Geophysical Research Letters, vol. 22, no. 2, pp. 93-96. https://doi.org/10.1029/94GL02410
Clark, Jordan F. ; Schlosser, Peter ; Wanninkhof, Rik ; Simpson, H. James ; Schuster, William S.F. ; Ho, David T. / Gas transfer velocities for SF6 and ³He in a small pond at low wind speeds. In: Geophysical Research Letters. 1995 ; Vol. 22, No. 2. pp. 93-96.
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