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Title: Warm Bias and Parameterization of Boundary Upwelling in Ocean Models

Abstract

It has been demonstrated that Eastern Boundary Currents (EBC) are a baroclinic intensification of the interior circulation of the ocean due to the emergence of mesoscale eddies in response to the sharp buoyancy gradients driven by the wind-stress and the thermal surface forcing. The eddies accomplish the heat and salt transport necessary to insure that the subsurface flow is adiabatic, compensating for the heat and salt transport effected by the mean currents. The EBC thus generated occurs on a cross-shore scale of order 20-100 km, and thus this scale needs to be resolved in climate models in order to capture the meridional transport by the EBC. Our result indicate that changes in the near shore currents on the oceanic eastern boundaries are linked not just to local forcing, such as coastal changes in the winds, but depend on the basin-wide circulation as well.

Authors:
;
Publication Date:
Research Org.:
The Regents of the University of California, Univ. of CA San Diego, Scripps Institution of Oceanography
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1054196
Report Number(s):
Final Report
DOE Contract Number:  
SC0001962
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; eastern boundary current, current, eddies

Citation Formats

Cessi, Paola, and Wolfe, Christopher. Warm Bias and Parameterization of Boundary Upwelling in Ocean Models. United States: N. p., 2012. Web. doi:10.2172/1054196.
Cessi, Paola, & Wolfe, Christopher. Warm Bias and Parameterization of Boundary Upwelling in Ocean Models. United States. doi:10.2172/1054196.
Cessi, Paola, and Wolfe, Christopher. Tue . "Warm Bias and Parameterization of Boundary Upwelling in Ocean Models". United States. doi:10.2172/1054196. https://www.osti.gov/servlets/purl/1054196.
@article{osti_1054196,
title = {Warm Bias and Parameterization of Boundary Upwelling in Ocean Models},
author = {Cessi, Paola and Wolfe, Christopher},
abstractNote = {It has been demonstrated that Eastern Boundary Currents (EBC) are a baroclinic intensification of the interior circulation of the ocean due to the emergence of mesoscale eddies in response to the sharp buoyancy gradients driven by the wind-stress and the thermal surface forcing. The eddies accomplish the heat and salt transport necessary to insure that the subsurface flow is adiabatic, compensating for the heat and salt transport effected by the mean currents. The EBC thus generated occurs on a cross-shore scale of order 20-100 km, and thus this scale needs to be resolved in climate models in order to capture the meridional transport by the EBC. Our result indicate that changes in the near shore currents on the oceanic eastern boundaries are linked not just to local forcing, such as coastal changes in the winds, but depend on the basin-wide circulation as well.},
doi = {10.2172/1054196},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {11}
}