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Unraveling the mystery of Indian monsoon failure during El Nino

Kumar, KK and Rajagopalan, B and Hoerling, M and Bates, G and Cane, M (2006) Unraveling the mystery of Indian monsoon failure during El Nino. Science, 314 (5796). pp. 115-119.

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Abstract

The 132-year historical rainfall record reveals that severe droughts in India have always been accompanied by El Niño events. Yet El Niño events have not always produced severe droughts. We show that El Niño events with the warmest sea surface temperature (SST) anomalies in the central equatorial Pacific are more effective in focusing drought-producing subsidence over India than events with the warmest SSTs in the eastern equatorial Pacific. The physical basis for such different impacts is established using atmospheric general circulation model experiments forced with idealized tropical Pacific warmings. These findings have important implications for Indian monsoon forecasting.

Item Type: Article
Additional Information: Copyright of this article belongs to AAAS.
Uncontrolled Keywords: Drought producing subsidence; Equatorial Pacific; Sea surface temperature (SST); Tropical Pacific warmings, Atmospheric temperature; Drought; Earth atmosphere; Meteorology; Weather forecasting, Meteorological problems, rain; sea water, atmospheric general circulation model; drought; El Nino; monsoon; rainfall; sea surface temperature; weather forecasting, article; climate change; drought; El Nino; India; Pacific Ocean; priority journal; sea surface temperature; summer, Asia; Eurasia; India; Pacific Ocean; Pacific Ocean (Equatorial); South Asia
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 25 Dec 2014 06:49
Last Modified: 25 Dec 2014 06:49
URI: http://moeseprints.incois.gov.in/id/eprint/1934

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