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A geometric interpretation of eddy Reynolds stresses in barotropic ocean jets

Abstract:

Barotropic eddy fluxes are analysed through a geometric decomposition of the eddy stress tensor. Specifically, the geometry of the eddy variance ellipse, a two-dimensional visualization of the stress tensor describing the mean eddy shape and tilt, is used to elucidate eddy propagation and eddy feedback on the mean flow. Linear shear and jet profiles are analysed and theoretical results are compared against fully nonlinear simulations. For flows with zero planetary vorticity gradient, analytic...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1175/JPO-D-15-0139.1

Authors


Tamarin, T More by this author
Maddison, JR More by this author
Heifetz, E More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atmos Ocean and Planet Physics
Publisher:
American Meteorological Society Publisher's website
Journal:
Journal of Physical Oceanography Journal website
Volume:
46
Issue:
8
Pages:
2285-2307
Publication date:
2016-04-20
DOI:
EISSN:
1520-0485
ISSN:
0022-3670
URN:
uuid:45b45812-d550-40b4-9871-d1daabb70cf8
Source identifiers:
623198
Local pid:
pubs:623198

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