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Age determination of historical coral layers by measuring radioactivity

Climate change has significant consequences for the marine environment, for example, increasing transport of warm water from the tropical Pacific to the temperate seas of NW Pacific. The plutonium isotopic signature recorded in corals is an excellent tool for studying the temporal alternation in the ocean mixing over the past 50 years in the NW Pacific. The goal of the CORALRAD project proposal is an accurate age determination, on seasonal basis, for a modern coral core from the Pacific Ocean by measuring radioactivity.

Lead institution

Swedish Radiation Safety Authority (SSM)