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  Late and Early Season Deficits of Indian Monsoon Rainfall: The North Atlantic Footprint

Vuruputur, V., Borah, P. J., Sukhatme, J. (2023): Late and Early Season Deficits of Indian Monsoon Rainfall: The North Atlantic Footprint, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-3512

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019428 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5019428_2
Genre: Conference Paper

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 Creators:
Vuruputur, Venugopal1, Author
Borah, Pritam Jyoti1, Author
Sukhatme, Jai1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: El Nino is often considered to be a major tropical forcing that has a tendency to suppress Indian summer monsoon rainfall (ISMR; June through September) through various teleconnection pathways. The work presented here systematically characterises the midlatitude influence on the evolution of both late and early season monsoon rainfall. In particular, we show that in years when the equatorial Pacific Ocean and Indian ocean temperatures are near-neutral, significant deficits in late-August/early-September as well as June rainfall can be associated with a Rossby wave-train originating from a persistent (2 to 3 week duration) deep tropospheric vorticity forcing located in the North Atlantic. We will also discuss the implications of our findings on ISMR predictability.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-3512
 Degree: -

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -