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Baroclinic energetics and zonal plane distribution of monsoon disturbances

Salvekar, PS and Mishra, SK (1985) Baroclinic energetics and zonal plane distribution of monsoon disturbances. Pure and Applied Geophysics, 123 (3). pp. 448-462.

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Abstract

The adiabatic, quasi-geostraphic, 25-layer, numerical, linear model with Ekman boundary layer friction is utilised to perform the baroclinic stability analysis of the mean monsoon zonal wind profile. It is shown the ci is a function of the resultant wavenumber alone. This relation is able to explain the effects of the lateral walls on the unstable waves. The energetics and zonal plane distribution of the short and long preferred viscous waves are computed. The upward motion of the short wave together with the warm (cold) core lies to the west of the surface trough position above (below) 850 mb. Further, it is shown that the main source of kinetic energy for the wave lies in the middle layer (850-700 mb) which is transported to the lower and upper layers. Computed Mathematical expression is found to be in good agreement with observed values.

Item Type: Article
Additional Information: Copyright of this article belongs to Birkhauser
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 24 Apr 2015 04:46
Last Modified: 24 Apr 2015 04:46
URI: http://moeseprints.incois.gov.in/id/eprint/1254

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