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Sökning: onr:"swepub:oai:DiVA.org:uu-499965" > Quantifying the rol...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003975naa a2200385 4500
001oai:DiVA.org:uu-499965
003SwePub
008230406s2023 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4999652 URI
024a https://doi.org/10.1038/s41598-023-32840-w2 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Thandlam, Venugopal,c Mr.d 1987-u Uppsala universitet,Luft-, vatten- och landskapslära,CEMUS Research Forum, CEFO,Centre of Natural Hazards and Disaster Science, Uppsala University, Uppsala, Sweden; Department of Meteorology and Oceanography, Andhra University, Visakhapatnam, India,LUVAL4 aut0 (Swepub:uu)venth596
2451 0a Quantifying the role of antecedent Southwestern Indian Ocean capacitance on the summer monsoon rainfall variability over homogeneous regions of India
264 1b Springer Nature,c 2023
338 a electronic2 rdacarrier
520 a The role of ocean variability is at a focal point in improving the weather and climate forecasts at different spatial and temporal scales. We study the effect of antecedent southwestern Indian Ocean mean sea level anomaly (MSLA) and sea surface temperature anomalies (SSTA) as a proxy to upper ocean heat capacitance on all India summer monsoon rainfall (AISMR) during 1993–2019. SSTA and MSLA over the southwestern Indian Ocean (SWIO) have been influenced by El Niño-Southern Oscillation (ENSO), the impact of ENSO-induced SWIO variability was low on rainfall variability over several homogeneous regions. Rainfall over northeast (NE) and North India (EI) has been modulated by ENSO-induced SSTA and MSLA over SWIO, thus effecting the total AISMR magnitude. The ENSO-induced changes in heat capacitance (SSTA and MSLA) over SWIO during antecedent months has less impact on west coast of India, central India and North India (NI) rainfall variability. The long-term trend in pre-monsoonal SSTA and MSLA over SWIO shows decreasing rainfall trend over NI, NE, and EI in the recent time. Furthermore, the cooler (warmer) anomaly over the western Indian Ocean affects rainfall variability adversely (favourably) due to the reversal of the wind pattern during the pre-monsoon period. While SSTA and MSLA are increasing in the SWIO, large-scale variability of these parameters during preceding winter and pre-monsoon months combined with surface winds could impact the inter-annual AISMR variability over homogeneous regions of India. Similarly, from an oceanic perspective, the antecedent heat capacitance over SWIO on an inter-annual time scale has been the key to the extreme monsoon rainfall variability.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Meteorologi och atmosfärforskning0 (SwePub)105082 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Meteorology and Atmospheric Sciences0 (SwePub)105082 hsv//eng
653 a Meteorologi
653 a Meteorology
700a Rahaman, Hasibur4 aut
700a Rutgersson, Anna,d 1971-u Uppsala universitet,Luft-, vatten- och landskapslära,Centre of Natural Hazards and Disaster Science, Uppsala University, Uppsala, Sweden,LUVAL4 aut0 (Swepub:uu)aru27058
700a Sahlée, Eriku Uppsala universitet,Luft-, vatten- och landskapslära,LUVAL4 aut0 (Swepub:uu)ersah499
700a Ravichandran, M.4 aut
700a Ramakrishna, S. S. V. S.4 aut
710a Uppsala universitetb Luft-, vatten- och landskapslära4 org
773t Scientific Reportsd : Springer Natureg 13:1q 13:1x 2045-2322
856u https://doi.org/10.1038/s41598-023-32840-wy Fulltext
856u https://uu.diva-portal.org/smash/get/diva2:1749321/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-499965
8564 8u https://doi.org/10.1038/s41598-023-32840-w

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