2019
DOI: 10.1002/essoar.10501481.1
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Fluctuations in marine radiocarbon reservoir age in the western Pacific: Evidence of reduced E-W Pacific gradient over the past 6000 years

Abstract: Radiocarbon (14 C) is a useful tracer for surface ocean circulation and mixing, which reflects air-sea CO 2 exchange. We present radiocarbon marine reservoir ages (R) and corrections (ΔR) in Holocene inferred from 18 paired 14 C and 230 Th ages on fossil corals from Lanyu Island offshore eastern Taiwan. The results show large fluctuations in the ΔR value, with averages of-330 and-5 14 C yr for 6000-5100 yr BP and the past 150 years, respectively. The extremely young R in the mid-Holocene indicate a well-equili… Show more

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