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Gas Exchange-Wind Speed Relation Measured with Sulfur Hexafluoride on a Lake

Wanninkhof, Rik, Ledwell, James R., Broecker, Wallace S.·1985·Science

Abstract

Gas-exchange processes control the uptake and release of various gases in natural systems such as oceans, rivers, and lakes. Not much is known about the effect of wind speed on gas exchange in such systems. In the experiment described here, sulfur hexafluoride was dissolved in lake water, and the rate of escape of the gas with wind speed (at wind speeds up to 6 meters per second) was determined over a 1-month period. A sharp change in the wind speed dependence of the gas-exchange coefficient was found at wind speeds of about 2.4 meters per second, in agreement with the results of wind-tunnel studies. However, the gas-exchange coefficients at wind speeds above 3 meters per second were smaller than those observed in wind tunnels and are in agreement with earlier lake and ocean results.

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Metadata

Authors
Wanninkhof, R., Ledwell, J. R., & Broecker, W. S.
Venue
Science
Published
1985-03-08
Volume
227
Issue
4691
Pages
1224-1226
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2088562655
Cited by
251
References
0
FWCI
10.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Gas Exchange-Wind Speed Relation Measured with Sulfur Hexafluoride on a Lake. https://app.cochat.ai/papers/10.1126/science.227.4691.1224
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Wanninkhof, R., Ledwell, J. R., & Broecker, W. S. (1985). Gas Exchange-Wind Speed Relation Measured with Sulfur Hexafluoride on a Lake. Science. https://doi.org/10.1126/science.227.4691.1224

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