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dc.contributor.authorJoyce, Terrence M.  Concept link
dc.contributor.authorThomas, Leif N.  Concept link
dc.contributor.authorBahr, Frank B.  Concept link
dc.date.accessioned2010-05-03T20:26:12Z
dc.date.available2010-05-03T20:26:12Z
dc.date.issued2009-01-28
dc.identifier.citationGeophysical Research Letters 36 (2009): L02607en_US
dc.identifier.urihttps://hdl.handle.net/1912/3377
dc.descriptionAuthor Posting. © American Geophysical Union, 2009. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 36 (2009): L02607, doi:10.1029/2008GL035918.en_US
dc.description.abstractWe study the structure of Subtropical Mode Water (STMW) within the eastward-flowing Gulf Stream as it forms during strong winter cooling. Shipboard observations using SeaSoar and ADCP reveal that while active mixing by gravitational instabilities is common, large vertical and lateral shears of the Gulf Stream play a central role in determination of the modes of active mixing. Evidence is presented that low static stability and large vertical shear can combine to cause slantwise convection/symmetric instabilities, while the large anticyclonic shears to the south of the Gulf Stream core can cause low absolute vorticity and precondition the Ertel potential vorticity to be small and more susceptible to instabilities. The area of active mixing driven by surface forcing in the presences of shear occupies a swath 50–90 km wide immediately south of the Gulf Stream core at the northern edge of the Sargasso Sea.en_US
dc.description.sponsorshipSupport came from the National Science Foundation grants OCE-0424865 (TJ and FB) and OCE-0549699 (LT).en_US
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.format.mimetypeimage/tiff
dc.format.mimetypeapplication/postscript
dc.language.isoen_USen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.urihttps://doi.org/10.1029/2008GL035918
dc.subjectMode water formationen_US
dc.subjectConvection in ocean frontsen_US
dc.titleWintertime observations of Subtropical Mode Water formation within the Gulf Streamen_US
dc.typeArticleen_US
dc.identifier.doi10.1029/2008GL035918


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