Changes in productivity and intermediate circulation in the northern Indian Ocean since the last deglaciation: new insights from benthic foraminiferal Cd ∕ Ca records and benthic assemblage analyses
Abstract:Abstract. We have measured Cd/Ca ratios of several benthic
foraminiferal species and studied benthic foraminiferal assemblages on two
cores from the northern Indian Ocean (Arabian Sea and northern Bay of
Bengal, BoB), in order to reconstruct variations in intermediate-water
circulation and paleo-nutrient content since the last deglaciation.
Intermediate water Cdw records estimated from the benthic Cd/Ca reflect
past changes in surface productivity and/or intermediate–bottom-water
ventilation. The benthic foram… Show more
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