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Indian summer monsoon rainfall indices: 1871-1990

Parthasarathy, B and Kumar, KR and Kothawale, DR (1992) Indian summer monsoon rainfall indices: 1871-1990. Meteorological Magazine, 121 (1441). pp. 174-186.

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Abstract

The paper describes some homogenous representations of the Indian summer monsoon rainfall for the period 1871-1990, prepared on the basis of a fixed and well-distributed network of 306 rain-gauges. An Indian Summer Monsoon Rainfall (ISMR) Index, indicating the net excess of deficient rainfall conditions over the country, is proposed. Statistical analysis of the above series identifies 18 large-scale dry years and 15 large-scale wet years during the last 120 yr. The decadal means of ISMR index were continuously negative for three decades 1901-30, positive 1931-60 and again became negative during the current period 1961-90.

Item Type: Article
Additional Information: Copyright of this article belongs to Meteorological Magazine
Uncontrolled Keywords: monsoon; rainfall index; raingauge network; Summer Monsoon Rainfall Index, India
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 15 May 2015 09:17
Last Modified: 15 May 2015 09:17
URI: http://moeseprints.incois.gov.in/id/eprint/1097

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