A model study of the growth of summer monsoon disturbances
Using an appropriate north-south distribution of a diabatic heating in a global multilevel spectral model, we have generated summer monsoon type of basic flow. Then we superimposed a pulse at the point of inflexion to the north of the jet at 900 mb. Using conditional instability of the second kind (...
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| Veröffentlicht in: | Current science (Bangalore) 1993-05, Vol.64 (9), p.673-679 |
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| container_title | Current science (Bangalore) |
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| creator | Kasture, S. V. Keshavamurty, R. N. Satyan, V. |
| description | Using an appropriate north-south distribution of a diabatic heating in a global multilevel spectral model, we have generated summer monsoon type of basic flow. Then we superimposed a pulse at the point of inflexion to the north of the jet at 900 mb. Using conditional instability of the second kind (CISK) type of cumulus heating we integrated the model keeping the basic flow fixed. We found that the pulse grows into observed type of monsoon depression. When cumulus heating was absent the pulse did not show any appreciable growth. The detailed computations of energetics show that the main growth mechanism of the pulse is by baroclinic energy exchange in the presence of cumulus heating. |
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N.</creatorcontrib><creatorcontrib>Satyan, V.</creatorcontrib><collection>Pascal-Francis</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Current science (Bangalore)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kasture, S. V.</au><au>Keshavamurty, R. 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| ispartof | Current science (Bangalore), 1993-05, Vol.64 (9), p.673-679 |
| issn | 0011-3891 |
| language | eng |
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| source | JSTOR; EZB Electronic Journals Library |
| subjects | Earth, ocean, space Energy conversion Exact sciences and technology External geophysics Kinetic energy Marine Meteorology Modeling Monsoons Multilevel models Potential energy Rainy seasons RESEARCH ARTICLE Research design Summer Vorticity Water in the atmosphere (humidity, clouds, evaporation, precipitation) |
| title | A model study of the growth of summer monsoon disturbances |
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