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Stommel’s box model of thermohaline circulation revisited - the role of mechanical energy supporting mixing and the wind-driven gyration

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dc.contributor.author Guan, Yu Ping
dc.contributor.author Huang, Rui Xin
dc.date.accessioned 2010-11-02T13:03:32Z
dc.date.available 2010-11-02T13:03:32Z
dc.date.issued 2008-04
dc.identifier.citation Journal of Physical Oceanography 38 (2008): 909–917 en_US
dc.identifier.uri http://hdl.handle.net/1912/4033
dc.description Author Posting. © American Meteorological Society, 2008. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Physical Oceanography 38 (2008): 909–917, doi:10.1175/2007JPO3535.1. en_US
dc.description.abstract The classical two-box model of Stommel is extended in two directions: replacing the buoyancy constraint with an energy constraint and including the wind-driven gyre. Stommel postulated a buoyancy constraint for the thermohaline circulation, and his basic idea has evolved into the dominating theory of thermohaline circulation; however, recently, it is argued that the thermohaline circulation is maintained by mechanical energy from wind stress and tides. The major difference between these two types of models is the bifurcation structure: the Stommel-like model has two thermal modes (one stable and another one unstable) and one stable haline mode, whereas the energy-constraint model has one stable thermal mode and two saline modes (one stable and another one unstable). Adding the wind-driven gyre changes the threshold value of thermohaline bifurcation greatly; thus, the inclusion of the wind-driven gyre is a vital step in completely modeling the physical processes related to thermohaline circulation. en_US
dc.description.sponsorship YPG was supported by the National Science Foundation of China (NSFC, 40676022), the National Basic Research Program of China (2006CB403605), and the Guangdong Natural Science Foundation (5003672). RXH was supported by the National Oceanic and Atmospheric Administration through CICOR Cooperative Agreement NA17RJ1223 to the Woods Hole Oceanographic Institution. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher American Meteorological Society en_US
dc.relation.uri http://dx.doi.org/10.1175/2007JPO3535.1
dc.subject Thermohaline circulation en_US
dc.subject Mixing en_US
dc.subject Wind stress en_US
dc.subject Buoyancy en_US
dc.subject Energy budget en_US
dc.title Stommel’s box model of thermohaline circulation revisited - the role of mechanical energy supporting mixing and the wind-driven gyration en_US
dc.type Article en_US
dc.identifier.doi 10.1175/2007JPO3535.1


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