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Modern and Pleistocene Reservoir Ages Inferred from South Pacific Corals

  • G S Burr (a1) (a2), J W Beck (a1), Thierry Corrège (a3), G Cabioch (a4), F W Taylor (a5) and D J Donahue (a1)...

Abstract

This paper presents radiocarbon results from modern South Pacific corals from the Marquesas Islands, Vanuatu, Papua New Guinea (PNG), and Easter Island. All of the measurements are from pre-bomb Porites corals that lived during the 1940s and 1950s. The data reflect subannual to multiannual surface ocean 14C variability and allow for precise, unambiguous reservoir age determinations. The results are compared with published values from other coral records throughout the South Pacific, with striking consistency. By comparisons with other published values, we identify 3 South Pacific regions with uniform pre-bomb reservoir ages (1945 to 1955). These are 1) the Central Equatorial South Pacific (361.6 − 8.2 14C yr, 2 σ); 2) the Western Equatorial South Pacific (322.1 − 8.6 14C yr, 2 σ); and 3) the subtropical Pacific (266.8 − 13.8 14C yr, 2 σ).

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Copyright

Corresponding author

Corresponding author. Email: burr@u.arizona.edu

References

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Modern and Pleistocene Reservoir Ages Inferred from South Pacific Corals

  • G S Burr (a1) (a2), J W Beck (a1), Thierry Corrège (a3), G Cabioch (a4), F W Taylor (a5) and D J Donahue (a1)...

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