Modons and monopoles on a γ-plane
作者:
Doron Nof,
期刊:
Geophysical & Astrophysical Fluid Dynamics
(Taylor Available online 1990)
卷期:
Volume 52,
issue 1-3
页码: 71-87
ISSN:0309-1929
年代: 1990
DOI:10.1080/03091929008219840
出版商: Taylor & Francis Group
关键词: Coherent vortices;ocean eddies;modons.
数据来源: Taylor
摘要:
The gamma plane approximation introduced in this study corresponds to a nonlinear horizontal shallow flow in a plane where, in addition to the familiar linear variation off(i.e., β), there is a quadratic variation with latitude. Such a plane may have some application to the mesoscale oceanic flow in the immediate vicinity of the North Pole because at the pole the linear gradient (β) vanishes so that the quadratic variation (γ) is the dominant gradient. It is also applicable to the flow near the center of a rotating (laboratory) tank.
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