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contributor authorAjayamohan, R. S.
contributor authorMerryfield, William J.
contributor authorKharin, Viatcheslav V.
date accessioned2017-06-09T16:29:25Z
date available2017-06-09T16:29:25Z
date copyright2010/02/01
date issued2010
identifier issn0894-8755
identifier otherams-68800.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4210397
description abstractThe nature of the increasing frequency of extreme rainfall events (ERE) in central India is investigated by relating their occurrence to synoptic activity. Using a long record of the paths and intensities of monsoon synoptic disturbances, a synoptic activity index (SAI) is defined whose interannual variation correlates strongly with that in the number of ERE, demonstrating a strong connection between these phenomena. SAI furthermore shows a rising trend that is statistically indistinguishable from that in ERE, indicating that the increasing frequency of ERE is likely attributable to a rising trend in synoptic activity. This synoptic activity increase results from a rising trend in relatively weak low pressure systems (LPS), and it outweighs a declining trend in stronger LPS.
publisherAmerican Meteorological Society
titleIncreasing Trend of Synoptic Activity and Its Relationship with Extreme Rain Events over Central India
typeJournal Paper
journal volume23
journal issue4
journal titleJournal of Climate
identifier doi10.1175/2009JCLI2918.1
journal fristpage1004
journal lastpage1013
treeJournal of Climate:;2010:;volume( 023 ):;issue: 004
contenttypeFulltext


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