Browsing by Author "Akhil, V.P."
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A modeling study of processes controlling the Bay of Bengal sea surface salinity interannual variability
Akhil, V.P.; Lengaigne, M.; Vialard, J.; Durand, F.; Keerthi, M.G.; Chaitanya, A.V.S.; Papa, F.; Gopalakrishna, V.V.; Montegut, de B.C. (John Wiley & Sons, Ltd, 2016)Recent observational studies provided preliminary insights on the interannual variability of Bay of Bengal (BoB) Sea Surface Salinity (SSS), but are limited by the poor data coverage. Here, we describe the BoB interannual ... -
A modeling study of the processes of surface salinity seasonal cycle in the Bay of Bengal.
Akhil, V.P.; Durand, F.; Lengaigne, M.; Vialard, J.; Keerthi, M.G.; Gopalakrishna, V.V.; Deltel, C.; Papa, F.; Montegut, C.deB. (AGU, 2014)In response to the Indian Monsoon freshwater forcing, the Bay of Bengal exhibits a very strong seasonal cycle in sea surface salinity (SSS), especially near the mouths of the Ganges-Brahmaputra and along the east coast of ... -
Assessment of seasonal and year-to-year surface salinity signals retrieved from SMOS and Aquarius missions in the Bay of Bengal
Akhil, V.P.; Lengaigne, M.; Durand, F.; Vialard, J.; Chaitanya, A.V.S.; Keerthi, M.G.; Gopalakrishna, V.V.; Boutin, J.; de Boyer, M.C. (Taylor & Francis, 2016)The Bay of Bengal (BoB) exhibits a wide range of sea surface salinity (SSS), with very fresh water induced by heavy monsoonal precipitation and river run-offs to the north, and saltier water to the south. This is a ... -
Bay of Bengal Sea surface salinity variability using a decade of improved SMOS re-processing
Akhil, V.P.; Vialard, J.; Lengaigne, M.; Keerthi, M.G.; Boutin, J.; Vergely, J.L.; Papa, F. (Elsevier Inc., 2020)Monsoon rain and rivers bring large freshwater input to the Northern Bay of Bengal (BoB), yielding low Sea Surface Salinity (SSS) after the monsoon. The resulting sharp upper-ocean salinity stratification is thought to ... -
Physical control of interannual variations of the winter chlorophyll bloom in the northern Arabian Sea
Keerthi, M.G.; Lengaigne, M.; Levy, M.; Vialard, J.; Parvathi, V.; Montégut, C.D.; Ethé, C.; Aumont, O.; Suresh, I.; Akhil, V.P.; Muraleedharan, P.M. (Copernicus Publications for EGU, 2017)The northern Arabian Sea hosts a winter chlorophyll bloom, triggered by convective overturning in response to cold and dry northeasterly monsoon winds. Previous studies of interannual variations of this bloom only relied ... -
Southeastern Arabian Sea Salinity variability: mechanisms and influence on surface temperature
Akhil, V.P.; Lengaigne, M.; Krishnamohan, K.S.; Keerthi, M.G.; Vialard, J. (Springer, 2023)Previous studies suggest that the winter surface freshening in the southeastern Arabian Sea (SEAS) contributes to the development of very high Sea Surface Temperatures (SST) thereby influencing the following summer monsoon ... -
Spatial and seasonal variations in the particulate sinking flux in the Bay of Bengal
Kurian, S.; Shenoy, D.M.; Akhil, V.P.; Kessarkar, P.M.; Gauns, M.; Shetye, S.S.; Kabeer, M.; Apsara, P.V.; Methar, A.; Karapurkar, S.; Chndrasekhararao, A.V.; Naqvi, S.W.A. (Elsevier, 2023)Sediment traps have been widely used to study particles sinking through the oceanic water column. As part of the SIBER-INDIA program, sediment traps were deployed at three depths ? 430 m (shallow), 1020 m (middle), and ...