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Evaluation of the National Oceanic and Atmospheric Administration/Coupled-Ocean Atmospheric Response Experiment (NOAA/COARE) air-sea gas transfer parameterization using GasEx data

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dc.contributor.author Hare, Jeffrey E.
dc.contributor.author Fairall, Christopher W.
dc.contributor.author McGillis, Wade R.
dc.contributor.author Edson, James B.
dc.contributor.author Ward, Brian
dc.contributor.author Wanninkhof, Rik
dc.date.accessioned 2010-06-04T17:59:31Z
dc.date.available 2010-06-04T17:59:31Z
dc.date.issued 2004-07-16
dc.identifier.citation Journal of Geophysical Research 109 (2004): C08S11 en_US
dc.identifier.uri http://hdl.handle.net/1912/3579
dc.description Author Posting. © American Geophysical Union, 2004. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 109 (2004): C08S11, doi:10.1029/2003JC001831. en_US
dc.description.abstract During the two recent GasEx field experiments, direct covariance measurements of air-sea carbon dioxide fluxes were obtained over the open ocean. Concurrently, the National Oceanic and Atmospheric Administration/Coupled-Ocean Atmospheric Response Experiment air-sea gas transfer parameterization was developed to predict gas transfer velocities from measurements of the bulk state of the sea surface and atmosphere. The model output is combined with measurements of the mean air and sea surface carbon dioxide fugacities to provide estimates of the air-sea CO2 flux, and the model is then tuned to the GasEx-1998 data set. Because of differences in the local environment and possibly because of weaknesses in the model, some discrepancies are observed between the predicted fluxes from the GasEx-1998 and GasEx-2001 cases. To provide an estimate of the contribution to the air-sea flux of gas due to wave-breaking processes, the whitecap and bubble parameterizations are removed from the model output. These results show that moderate (approximately 15 m s−1) wind speed breaking wave gas transfer processes account for a fourfold increase in the flux over the modeled interfacial processes. en_US
dc.description.sponsorship This work was supported by the NOAA Office of Global Programs, under the leadership of Dr. Lisa Dilling. WHOI was supported by the National Science Foundation grant OCE-9711218. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher American Geophysical Union en_US
dc.relation.uri http://dx.doi.org/10.1029/2003JC001831
dc.subject Air-sea interaction en_US
dc.subject Air-sea flux en_US
dc.subject Air-gas transfer en_US
dc.title Evaluation of the National Oceanic and Atmospheric Administration/Coupled-Ocean Atmospheric Response Experiment (NOAA/COARE) air-sea gas transfer parameterization using GasEx data en_US
dc.type Article en_US
dc.identifier.doi 10.1029/2003JC001831


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