Delta-R Correction Values for the Northern Indian Ocean

From the 17th International Radiocarbon Conference held in Jerusalem, Israel, June 18-23, 2000.Apparent marine radiocarbon ages are reported for the northern Indian Ocean region for the pre-nuclear period, based on measurements made in seven mollusk shells collected between 1930 and 1954. The conventional 14C ages of these shells range from 693 +/44 to 434 +/51 BP in the Arabian Sea and 511 +/34 to 408 +/51 BP in the Bay of Bengal. These ages correspond to mean Delta-R correction values of 163 +/30 yr for the northern Arabian Sea, 11 +/35 yr for the eastern Bay of Bengal (Andaman Sea) and 32 +/20 yr for the southern Bay of Bengal. Contrasting reservoir ages for these two basins are most likely due to differences in their thermocline ventilation rates.The Radiocarbon archives are made available by Radiocarbon and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information.Migrated from OJS platform February 202