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A 70 kyr Record of Monsoon-induced Marine Productivity Changes, Terrigenous Flux and Weathering Variations in the Southern Bay of Bengal.

The southwest and Northeast monsoon significantly affect the oceanographic and climatic changes over the Bay of Bengal. Detailed geochemical analysis of sediment cores from NE Indian Ocean reveals that productivity and terrestrial influx in the region is inversely related to each other. The productivity is higher during the warmer interglacials related to SW monsoon intensification whereas the terrigenous influx was high during colder glacials when NE monsoon was intensified.

Productivity proxies from two sites in NE Indian ocean compared to SST and δ18Opl of the core indicating increase during warmer interglacials (MIS 1,3).

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