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Large-scale features of satellite-derived outgoing long-wave radiation in relation to monsoon circulation over the Indian region

Prasad, KD and Verma, RK (1985) Large-scale features of satellite-derived outgoing long-wave radiation in relation to monsoon circulation over the Indian region. Journal of Climatology, 5 (3). pp. 297-306.

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Abstract

The monthly mean outgoing long-wave radiation data from June 1974 o May 1981 were analysed for dominant eigenvector patterns. The first three eigenvector patterns explain nearly 93 per cent of the total variance. The first eigenvector pattern exhibits an annual cycle with a pronounced variation in the outgoing long-wave radiation over the tropical belt between 10 and 20°N. This is largely indicative of strong seasonal shift of the major area of cloudiness associated with the Intertropical Convergence Zone. The second eigenvector pattern shows an out-of-phase relationship between north India and the equatorial region, having a pronounced semi-annual oscillation. The third eigenvector pattern exhibits the characteristic features of the north-east monsoon over south-east peninsular India. The first and second harmonics, corresponding to annual and semi-annual oscillations, exhibit the major characteristic features of the first two eigenvectors, respectively

Item Type: Article
Additional Information: Copyright of this article belongs to Royal Meteorological Society
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 22 Apr 2015 10:57
Last Modified: 22 Apr 2015 10:57
URI: http://moeseprints.incois.gov.in/id/eprint/1239

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