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|Title:||Thermal Structure Features of Double Stratopauses over Thumba|
|Authors:||Gupta, R K|
Vernekar, K G
|Abstract:||Double-stratopause features observed on nearly 20% of the occasions while examining M-100 rocket data over Thumba for the period Aug. 1975-July 1977 are studied in the light of associated thermal features after categorizing them into three types. Cases of diffusive onset/offset, where these features extended over a month and of a typical 1976-77 winter which exhibited a series of such features are discussed. In general during onset of double stratopause features, significant heating at 50 and 55 km levels occasionally extending to 40 and 60 km levels, remarkable heating in the 78-80 km region, and cooling at 65 and 70 km levels were observed, while during offset, normally, cooling at all these altitudes was observed. The final stratopause level was found to shift upwards during double stratopause days.|
|ISSN:||0975-105X (Online); 0367-8393 (Print)|
|Appears in Collections:||IJRSP Vol.07(6) [December 1978]|
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