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Coherent rainfall zones of the Indian region

Gadgil, Sulochana and Yadumani, * and Joshi, NV (1993) Coherent rainfall zones of the Indian region. In: International Journal of Climatology, 13 (5). pp. 547-566.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/joc.337...


We have delineated rainfall zones for the Indian region that are coherent with respect to the variations of the summer monsoon rainfall. Within each zone, the time series of the summer monsoon rainfall at every pair of stations are significantly positively correlated, and the mean interseries correlation for each zone is high. The interseries correlation data set is analysed in order to delineate the rainfall zones, using an objective method specifically developed for the purpose. Each of the zonal averages are shown to be representative of the zone as a whole. We suggest that this regionalization is appropriate for study of the variation of the summer monsoon rainfall over the Indian region on interannual and larger scales.

Item Type: Journal Article
Publication: International Journal of Climatology
Publisher: John Wiley and Sons
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Keywords: Indian summer monsoon rainfall;Rainfall zones;Principal component analysis;Cluster analysis
Department/Centre: Others
Date Deposited: 02 Feb 2011 09:42
Last Modified: 02 Feb 2011 09:42
URI: http://eprints.iisc.ac.in/id/eprint/35365

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