LUMINY - An overview
bookPart
Experiments were undertaken in the Large Air Sea Interaction Simulation Tunnel of IRPHE-IOA, Laboratoire de LUMINY, in Marseille, France, aimed at improving our understanding of the effects of breaking waves on gas transfer, and providing parameterisations for the transfer velocities. Detailed studies were made of breaking wave phenomena, bubbles and turbulence in water and air, and exchange rates of gases with a variety of physical properties (CO2, CH4, N2O, DMS, CH3Br, 4He and SF6). A simple scaling of air-water transfer velocities with friction velocity and Schmidt number breaks down at high wind speeds. A solubility-dependent enhancement of transfer velocity by bubbles can explain only part of the behaviour. An "interfacial resistance" model can explain much of the outstanding behaviour at high wind speeds. Bubble-mediated transfer, surface disruption by turbulence and surfacing bubbles, and interfacial resistance, are all identified as significant to air-sea gas exchange at high wind and sea states.
TNO Identifier
95439
Publisher
American Geophysical Union
Source title
Gas transfer at water surfaces
Editor(s)
Donelan, M.A.
Drennan, W.M.
Saltzman, E.S.
Wanninkhof, R.
Drennan, W.M.
Saltzman, E.S.
Wanninkhof, R.
Place of publication
Washington, DC
Pages
291-294
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