mirage

A conceptual model of an Arctic sea

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dc.contributor.author St-Laurent, Pierre
dc.contributor.author Straneo, Fiamma
dc.contributor.author Barber, David G.
dc.date.accessioned 2012-07-17T15:43:18Z
dc.date.available 2012-12-20T09:42:14Z
dc.date.issued 2012-06-20
dc.identifier.citation Journal of Geophysical Research 117 (2012): C06010 en_US
dc.identifier.uri http://hdl.handle.net/1912/5262
dc.description Author Posting. © American Geophysical Union, 2012. 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 117 (2012): C06010, doi:10.1029/2011JC007652. en_US
dc.description.abstract We propose a conceptual model for an Arctic sea that is driven by river runoff, atmospheric fluxes, sea ice melt/growth, and winds. The model domain is divided into two areas, the interior and boundary regions, that are coupled through Ekman and eddy fluxes of buoyancy. The model is applied to Hudson and James Bays (HJB, a large inland basin in northeastern Canada) for the period 1979–2007. Several yearlong records from instruments moored within HJB show that the model results are consistent with the real system. The model notably reproduces the seasonal migration of the halocline, the baroclinic boundary current, spatial variability of freshwater content, and the fall maximum in freshwater export. The simulations clarify the important differences in the freshwater balance of the western and eastern sides of HJB. The significant role played by the boundary current in the freshwater budget of the system, and its sensitivity to the wind-forcing, are also highlighted by the simulations and new data analyses. We conclude that the model proposed is useful for the interpretation of observed data from Arctic seas and model outputs from more complex coupled/climate models. en_US
dc.description.sponsorship We thank NSERC and the Canada Research Chairs program for funding. FS acknowledges support from NSF OCE–0927797 and ONR N00014-08-10490. en_US
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.format.mimetype application/postscript
dc.language.iso en_US en_US
dc.publisher American Geophysical Union en_US
dc.relation.uri http://dx.doi.org/10.1029/2011JC007652
dc.subject Arctic en_US
dc.subject Models en_US
dc.subject Sea ice en_US
dc.title A conceptual model of an Arctic sea en_US
dc.type Article en_US
dc.description.embargo 2012-12-20 en_US
dc.identifier.doi 10.1029/2011JC007652


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