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Relationship between ESI tendency and Indian monsoon rainfall: A possible mechanism

Kakade, SB and Kulkarni, A. (2012) Relationship between ESI tendency and Indian monsoon rainfall: A possible mechanism. Atmospheric Science Letters, 13 (1). pp. 22-28.

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Abstract

In this article, we have studied spatial and temporal variabilities of temperature and zonal wind field over 90°-0°N, 90°W-90°E during contrasting phases of Effective Strength Index (ESI) tendency and its relationship with Indian summer monsoon rainfall (ISMR). During positive (negative) ESI tendency, there is winter-time anomalous cooling (warming) over western Eurasia surrounding Moscow but magnitude of warming is stronger than cooling. The correlation analysis also suggests that negative ESI tendency is significantly associated with warming over western Eurasia during winter and spring seasons. The study further reveals that positive (negative) ESI tendency is indicating winter-time anomalous trough (ridge) over the Russian region surrounding Moscow.

Item Type: Article
Additional Information: Copyright of this article belongs to Royal Meteorological Society.
Uncontrolled Keywords: air temperature; correlation; monsoon; rainfall; spatial variation; spring (season); temporal variation; wind field; winter; zonal wind, Eurasia; Moscow Russian Federation; Russian Federation
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 19 Dec 2013 12:37
Last Modified: 19 Dec 2013 12:37
URI: http://moeseprints.incois.gov.in/id/eprint/542

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