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dc.contributor.authorSoumya, M.
dc.contributor.authorMishra, S.K.
dc.contributor.authorSahany, S.
dc.contributor.authorBehera, S.
dc.date.accessioned2021-06-16
dc.date.accessioned2021-06-22T10:08:57Z
dc.date.available2021-02-28
dc.date.available2021-06-22T10:08:57Z
dc.date.issued2021
dc.identifier.citationGlobal and Planetary Change, vol.199; 2021; Article no: 103436
dc.identifier.issn0921-8181
dc.identifier.otherhttps://www.sciencedirect.com/science/article/pii/S0921818121000217
dc.identifier.urihttps://doi.org/10.1016/j.gloplacha.2021.103436
dc.identifier.urihttps://drs-beta.nio.org/drs/handle/2264/8615
dc.descriptionIF2019 - 4.448
dc.description.abstractThe long-term change in the sea surface temperature (SST) of the Tropical Indian Ocean (TIO) and the underlying mechanisms are examined in detail by analysing multiple reanalysis datasets and historical simulations of a global climate model. A robust basin-wide warming signal was found in SST, with the highest long-term warming trend (~0.09 � 0.015 �C decade?1) seen over the north-western and equatorial Indian Ocean regions. The robust warming trend of TIO SST is a dominant warming signal of the global tropical oceans and is largely in phase with similar warming in western Pacific and Atlantic Oceans. The central equatorial Indian Ocean and south TIO regions went through significant warming during recent decades. The weakened cross-equatorial flow and the associated cyclonic winds over the Arabian Sea region have resulted in equatorial westerlies with an enhanced loss of latent heat over the central and eastern equatorial Indian Ocean. The anomalous cyclonic wind stress curl, in turn, caused mixed layer stratifications in the western Indian Ocean. The advective heat transfer from the south-eastern Indian Ocean to the western Indian Ocean and reduced oceanic cooling by vertical processes, overcome the cooling by the net loss of surface heat fluxes, and favor surface warming the TIO.
dc.languageen
dc.publisherElsevier
dc.relation.isreferencedbySCI
dc.rightsOnly the author version of the copright reserved papers uploaded. Contact drs@nio.org for any complaints regarding copyright violations
dc.titleLong-term variability of Sea Surface Temperature in the Tropical Indian Ocean in relation to climate change and variability
dc.typeJournal Article
dc.affiliation.authorCentre for Atmospheric Sciences, IIT Delhi, New Delhi, India


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