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Title: Linkage of Equatorial Stratospheric Westerlies with Indian Monsoon
Authors: George, P A
Narayanan, V
Issue Date: Sep-1976
Publisher: NISCAIR-CSIR, India
Abstract: Analysis of the data obtained from the weekly rocket soundings made at Thumba (08ᵒ 32'N and 76ᵒ 52'E) with M-100 series rockets from Dec. 1970 to June 1974 shows that the circulation in the equatorial stratosphere is predominantly zonal and largely easterly. The equatorial stratospheric easterlies are interrupted periodically by westerlies at various layers. The periodic changes occurring in the zonal circulations at the significant layers of the stratosphere over Trivandrum are found to be closely linked with the monsoon phenomena over the Indian peninsula. The relation between these periodic changes in the equatorial stratospheric zonal circulations and the monsoon activity over Kerala and neighborhood are discussed in this paper. The daily total rainfall experienced at 41 selected stations (12 observatory stations and 29 raingauge stations) in Kerala and Lakshadweep area has been taken as a measure of the intensity of monsoon activity over the area.
Page(s): 225-230
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.05(3) [September 1976]

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