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Neethu Chacko Muthalagu Ravichandran Rokkam R. Rao Sadananda Satheesh Chandra Shenoi 《Ocean Dynamics》2012,62(5):671-681
Sea surface temperature (SST) variability over the Bay of Bengal (BoB) has the potential to trigger deep moist convection
thereby affecting the active-break cycle of the monsoons. Normally, during the summer monsoon season, SST over the BoB is
observed to be greater than 28°C which is a pre-requisite for convection. During June 2009, satellite observations revealed
an anomalous basin-wide cooling and the month is noted for reduced rainfall over the Indian subcontinent. In this study, we
analyze the likely mechanisms of this cooling event using both satellite and moored buoy observations. Observations showed
deepened mixed layer, stronger surface currents, and enhanced heat loss at the surface in the BoB. Mixed layer heat balance
analysis is carried out to resolve the relative importance of various processes involved. We show that the cooling event is
primarily induced by the heat losses at the surface resulting from the strong wind anomalies, and advection and vertical entrainment
playing secondary roles. 相似文献
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Sabu Prabhakaran Subeesh Meethale Puthukkottu George Jenson Vilayil Anilkumar Narayana Pillai Ravichandran Muthalagu 《Ocean Dynamics》2021,71(4):391-409
Ocean Dynamics - The Seychelles-Chagos Thermocline Ridge (SCTR) is a key region which plays a major role in various regional climatic processes at all time scales. The vertical mixing at the base... 相似文献
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