The coupling instability of Rossby and topographic Rossby waves in the equatorial area

In case of considering the fact that the tropical ocean thermocline or the lower atmosphere height field has the meridional variation, the topographic Rossby wave will be excited. Also the background geostrophic current emerges. Under such conditions, the topographic Rossby wave can interact with th...

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Bibliographic Details
Published in:Science China. Earth sciences 2005-10, Vol.48 (10), p.1792-1801
Main Authors: Chao, Jiping, Liu, Lin, Yu, Weidong
Format: Article
Language:English
Subjects:
El Nino
El Nino phenomena
El Nino-Southern Oscillation event
Equatorial regions
Instability
Lower atmosphere
Ocean currents
Planetary waves
Rossby waves
Southern Oscillation
Stability
Thermocline
Topography
Tropical climate
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Summary:In case of considering the fact that the tropical ocean thermocline or the lower atmosphere height field has the meridional variation, the topographic Rossby wave will be excited. Also the background geostrophic current emerges. Under such conditions, the topographic Rossby wave can interact with the classical Rossby wave at some parameter band and thus brings a new kind of instability, which may be of potential application in understanding some phenomena of the ENSO cycle.
ISSN:1006-9313
1674-7313
1862-2801
1869-1897
DOI:10.1360/02yd0344