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The annual cycle of upper-ocean potential vorticity and its relationship to submesoscale instabilities

Abstract:

The evolution of upper-ocean potential vorticity (PV) over a full year in a typical midocean area of the northeast Atlantic is examined using submesoscale- and mesoscale-resolving hydrographic and velocity measurements from a mooring array. A PV budget framework is applied to quantitatively document the competing physical processes responsible for deepening and shoaling the mixed layer. The observations reveal a distinct seasonal cycle in upper-ocean PV, characterized by frequent occurrences ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1175/JPO-D-20-0099.1

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
Publisher:
American Meteorological Society Publisher's website
Journal:
Journal of Physical Oceanography Journal website
Volume:
51
Issue:
2
Pages:
385-402
Publication date:
2021-02-01
Acceptance date:
2020-11-13
DOI:
EISSN:
1520-0485
ISSN:
0022-3670
Language:
English
Keywords:
Pubs id:
1145342
Local pid:
pubs:1145342
Deposit date:
2020-11-13

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