Modulation of eddy kinetic energy, temperature variance, and eddy heat fluxes by surface buoyancy forcing

Munday, D.R. and Zhai, X. (2013) Modulation of eddy kinetic energy, temperature variance, and eddy heat fluxes by surface buoyancy forcing. Ocean Modelling, 62. pp. 27-38. ISSN 1463-5003

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Abstract

Although mesoscale eddies are a ubiquitous feature of the world's oceans, mechanisms determining their strength and variability remain poorly understood. Here we investigate the effects of surface buoyancy forcing on eddy kinetic energy (EKE), temperature variance, and lateral eddy heat fluxes. In keeping with previous investigations, sustained heat loss ultimately leads to an increase in the magnitude of EKE, whereas sustained heat gain only alters the spatial pattern of EKE, albeit enhancing the temperature variance. These changes to the eddy field and stratification are shown to result in changes in meridional eddy heat flux and residual meridional overturning circulation, which acts to bring the system to equilibrium with the applied surface buoyancy forcing.

Item Type: Article
Uncontrolled Keywords: ocean modelling,eddy-resolved model,eddy kinetic energy,surface buoyancy forcing,residual flow
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: Pure Connector
Date Deposited: 23 Oct 2013 10:02
Last Modified: 02 Jun 2020 23:46
URI: https://ueaeprints.uea.ac.uk/id/eprint/43802
DOI: 10.1016/j.ocemod.2012.11.003

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