Vertical structure of ocean mesoscale eddies with implications for parameterizations of tracer transport

The Gent-McWilliams parameterization is commonly used in global ocean models to model the advective component of tracer transport effected by unresolved mesoscale eddies. The vertical structure of the transfer coefficient in this parameterization is studied using data from a 0.1 degrees resolution global ocean-ice simulation. The vertical structure is found to be well approximated by a baroclinic mode structure with no flow at the bottom, though horizontal anisotropy is crucial for obtaining a good fit. This vertical structure is motivated by reference to the vertical structure of mesoscale eddy velocity and density anomalies, which are also diagnosed from the data.

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Author Stanley, Z.
Bachman, Scott D.
Grooms, I.
Publisher UCAR/NCAR - Library
Publication Date 2020-10-13T00:00:00
Digital Object Identifier (DOI) Not Assigned
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:13:36.036461
Metadata Record Identifier edu.ucar.opensky::articles:23802
Metadata Language eng; USA
Suggested Citation Stanley, Z., Bachman, Scott D., Grooms, I.. (2020). Vertical structure of ocean mesoscale eddies with implications for parameterizations of tracer transport. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d7cc140c. Accessed 17 June 2025.

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