Stability of the Sargasso Sea subtropical frontal zone

G. R. Halliwell; Peng Ge Peng; D. B. Olson

doi:10.1175/1520-0485(1994)024<1166:SOTSSS>2.0.CO;2

Stability of the Sargasso Sea subtropical frontal zone

G. R. Halliwell, Peng Ge Peng, D. B. Olson

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

Recent studies suggest that eddy properties are significantly influenced by the mean current shear associated with the western Sargasso Sea subtropical frontal zone (SFZ). Classical linear as well as more recent nonlinear stability theories predict that the mean SFZ flow should be unstable. The linear eigenvalue problem suggests that the most unstable perturbations have wavelengths between 150 and 200 km. Analysis of a channel version of the Miami isopycnic-coordinate primitive equation numerical model verified these predictions and also characterized the further nonlinear evolution of the eddy field. -from Authors

Original language	English (US)
Pages (from-to)	1166-1183
Number of pages	18
Journal	Journal of Physical Oceanography
Volume	24
Issue number	6
DOIs	https://doi.org/10.1175/1520-0485(1994)024<1166:SOTSSS>2.0.CO;2
State	Published - 1994
Externally published	Yes

ASJC Scopus subject areas

Oceanography

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AB - Recent studies suggest that eddy properties are significantly influenced by the mean current shear associated with the western Sargasso Sea subtropical frontal zone (SFZ). Classical linear as well as more recent nonlinear stability theories predict that the mean SFZ flow should be unstable. The linear eigenvalue problem suggests that the most unstable perturbations have wavelengths between 150 and 200 km. Analysis of a channel version of the Miami isopycnic-coordinate primitive equation numerical model verified these predictions and also characterized the further nonlinear evolution of the eddy field. -from Authors

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