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Direct measurements of the mean flow and eddy kinetic energy structure of the upper ocean circuletion in the NE Atlantic

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dc.contributor.author Knutsen, Øyvind
dc.contributor.author Svendsen, Harald
dc.contributor.author Østerhus, Svein
dc.contributor.author Rossby, Tom
dc.contributor.author Hansen, Bogi
dc.date.accessioned 2005-08-10T10:49:52Z
dc.date.available 2005-08-10T10:49:52Z
dc.date.issued 2005-07-19
dc.identifier.citation Geophysical Research Letters 2005 32: L14604 en
dc.identifier.issn 0094-8276
dc.identifier.other doi:10.1029/2005GL023615
dc.identifier.uri http://hdl.handle.net/1956/762
dc.identifier.uri http://dx.doi.org/10.1029/2005GL023615
dc.description.abstract The upper ocean circulation in the sub-polar northeast Atlantic has been a challenge to quantify due to strong and variable wind-forcing, and strong and variable deep currents that lead to large uncertainties in the use of the standard dynamical method. Since 1999 we have been operating an acoustical Doppler current profiler on a container vessel that operates between Denmark and Greenland to repeatedly sample upper ocean currents across the northeast Atlantic. Individual transects exhibit a highly energetic mesoscale variability, but ensemble-averaging of the sections reveals a striking organization of the mean field along the Reykjanes Ridge: a distinct southward flow along its eastern slope and two clearly defined peaks with seasonal modulation flowing to the north along its western slope. Higher values of eddy kinetic energy (about 150–600 cm2 s−2) are observed along the transect, O(1.5) greater than surface drifter estimates. en
dc.format.extent 196440 bytes
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher American Geophysical Union en
dc.rights Copyright 2005 by the American Geophysical Union. All rights reserved. en
dc.title Direct measurements of the mean flow and eddy kinetic energy structure of the upper ocean circuletion in the NE Atlantic en
dc.type Journal article en
dc.type Peer reviewed
dc.rightsHolder American Geophysical Union


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