Improving oceanic overflow representation in climate models : the Gravity Current Entrainment Climate Process Team

dc.contributor.author Legg, Sonya
dc.contributor.author Ezer, Tal
dc.contributor.author Jackson, Laura
dc.contributor.author Briegleb, Bruce P.
dc.contributor.author Danabasoglu, Gokhan
dc.contributor.author Large, William G.
dc.contributor.author Wu, Wanli
dc.contributor.author Chang, Yeon
dc.contributor.author Ozgokmen, Tamay M.
dc.contributor.author Peters, Hartmut
dc.contributor.author Xu, Xiaobiao
dc.contributor.author Chassignet, Eric P.
dc.contributor.author Gordon, Arnold L.
dc.contributor.author Griffies, Stephen M.
dc.contributor.author Hallberg, Robert
dc.contributor.author Price, James F.
dc.contributor.author Riemenschneider, Ulrike
dc.contributor.author Yang, Jiayan
dc.date.accessioned 2010-10-27T18:12:44Z
dc.date.available 2010-10-27T18:12:44Z
dc.date.issued 2009-05
dc.description Author Posting. © American Meteorological Society, 2009. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Bulletin of the American Meteorological Society 90 (2009): 657-670, doi:10.1175/2008BAMS2667.1. en_US
dc.description.abstract Oceanic overflows are bottom-trapped density currents originating in semienclosed basins, such as the Nordic seas, or on continental shelves, such as the Antarctic shelf. Overflows are the source of most of the abyssal waters, and therefore play an important role in the large-scale ocean circulation, forming a component of the sinking branch of the thermohaline circulation. As they descend the continental slope, overflows mix vigorously with the surrounding oceanic waters, changing their density and transport significantly. These mixing processes occur on spatial scales well below the resolution of ocean climate models, with the result that deep waters and deep western boundary currents are simulated poorly. The Gravity Current Entrainment Climate Process Team was established by the U.S. Climate Variability and Prediction (CLIVAR) Program to accelerate the development and implementation of improved representations of overflows within large-scale climate models, bringing together climate model developers with those conducting observational, numerical, and laboratory process studies of overflows. Here, the organization of the Climate Process Team is described, and a few of the successes and lessons learned during this collaboration are highlighted, with some emphasis on the well-observed Mediterranean overflow. The Climate Process Team has developed several different overflow parameterizations, which are examined in a hierarchy of ocean models, from comparatively well-resolved regional models to the largest-scale global climate models. en_US
dc.description.sponsorship The Gravity Current Entrainment Climate Process Team was funded by NSF grants OCE-0336850 and OCE-0611572 and NOAA as a contribution to U.S.CLIVAR. en_US
dc.format.mimetype application/pdf
dc.identifier.citation Bulletin of the American Meteorological Society 90 (2009): 657-670 en_US
dc.identifier.doi 10.1175/2008BAMS2667.1
dc.identifier.uri https://hdl.handle.net/1912/4021
dc.language.iso en_US en_US
dc.publisher American Meteorological Society en_US
dc.relation.uri https://doi.org/10.1175/2008BAMS2667.1
dc.title Improving oceanic overflow representation in climate models : the Gravity Current Entrainment Climate Process Team en_US
dc.type Article en_US
dspace.entity.type Publication
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