Relationship between ice water path and downward longwave radiation for clouds optically thin in the infrared: Observations and model calculations

Relationship between ice water path and downward longwave radiation for clouds optically thin in the infrared: Observations and model calculations

A vertically pointing 3.2-cm radar is used to observe allostratus and cirrus clouds as they pass overhead. A two-stream model is used to calculate the infrared fluxes expected from ice clouds with boundary conditions specified by the actual clouds. Results suggest that ice water path is one of the p...

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Veröffentlicht in:Journal of applied meteorology and climatology 1994-03, Vol.33 (3), p.348
Hauptverfasser: Uttal, Taneil, Matrosov, Sergey Y, Snider, Jack B, Kropfli, Robert A
Format: Artikel
Sprache:eng
Schlagworte:
Boundary conditions
Clouds
Ice
Infrared radiation
Water
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Zusammenfassung:A vertically pointing 3.2-cm radar is used to observe allostratus and cirrus clouds as they pass overhead. A two-stream model is used to calculate the infrared fluxes expected from ice clouds with boundary conditions specified by the actual clouds. Results suggest that ice water path is one of the primary controls on infrared thermal fluxes for ice clouds.
ISSN:1558-8424
1558-8432