Marine04 Marine Radiocarbon Age Calibration, 0–26 Cal Kyr Bp

Radiocarbon - Tập 46 Số 3 - Trang 1059-1086 - 2004
Konrad A Hughen1, M. G. L. Baillie2, Édouard Bard3, J Beck4, Chanda Bertrand1, Paul G. Blackwell5, Caitlin E. Buck5, George S. Burr6, Kirsten Cutler7, Paul E. Damon6, R. Lawrence Edwards8, Richard G. Fairbanks9, Michael Friedrich10, T. P. Guilderson11,12, Bernd Kromer13, Gerry McCormac2, Sturt W. Manning14,15,16, Christopher Bronk Ramsey17, Paula Reimer11,2, Ron Reimer12, Sabine Remmele10, John Southon18, Minze Stuiver19, Sahra Talamo13, Frederick W. Taylor20, J. van der Plicht21,22, C. E. Weyhenmeyer11
1Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, Massachusetts 02543, USA.
2School of Archaeology and Palaeoecology, Queen's University Belfast, Belfast BT7 1NN, United Kingdom.
3CEREGE, UMR-6635, Europole de l'Arbois BP80, 13545 Aix-en-Provence cdx 4, France.
4Department of Physics, University of Arizona, Tucson, Arizona 85721 USA
5Department of Probability and Statistics, University of Sheffield, Sheffield S3 7RH, United Kingdom.
6Department of Geosciences, University of Arizona, Tucson, Arizona 85721 USA
7U.S. Department of State, Office of Senior Coordinator for Nuclear Safety, 2201 C Street NW, Washington DC, USA.
8Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota, USA
9Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York 10964, USA
10Universität Hohenheim, Institut für Botanik-210, D-70593 Stuttgart, Germany.
11Center for Accelerator Mass Spectrometry L-397, Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
12Department of Ocean Sciences, University of California, Santa Cruz, California 92697, USA.
13Heidelberger Akademie der Wissenschaften Im Neuenheimer Feld 229 D-69120 Heidelberg, Germany
14Department of Archaeology, University of Reading, P.O. Box 217 Whiteknights, Reading RG6 6AB, United Kingdom.
15The Department of Fine Art, Sidney Smith Hall, 100 St. George Street,
16University of Toronto, Ontario M5S 3G3, Canada.
17Oxford Radiocarbon Accelerator Unit, 6 Keble Rd., Oxford OX2 6JB, England.
18Department of Earth System Science, University of California, Irvine, California, 92697, USA
19Quaternary Isotope Lab, University of Washington, Seattle, Washington 98195, USA.
20Institute for Geophysics, University of Texas, Austin, Texas, USA.
21Center for Isotope Research, Groningen University, 9747 AG Groningen, the Netherlands.
22Faculty of Archaeology, Leiden University, P.O. Box 9515, 2300 RA Leiden, The Netherlands

Tóm tắt

New radiocarbon calibration curves, IntCal04 and Marine04, have been constructed and internationally ratified to replace the terrestrial and marine components of IntCal98. The new calibration data sets extend an additional 2000 yr, from 0–26 cal kyr BP (Before Present, 0 cal BP = AD 1950), and provide much higher resolution, greater precision, and more detailed structure than IntCal98. For the Marine04 curve, dendrochronologically-dated tree-ring samples, converted with a box diffusion model to marine mixed-layer ages, cover the period from 0–10.5 cal kyr BP. Beyond 10.5 cal kyr BP, high-resolution marine data become available from foraminifera in varved sediments and U/Th-dated corals. The marine records are corrected with site-specific 14C reservoir age information to provide a single global marine mixed-layer calibration from 10.5–26.0 cal kyr BP. A substantial enhancement relative to IntCal98 is the introduction of a random walk model, which takes into account the uncertainty in both the calendar age and the 14C age to calculate the underlying calibration curve (Buck and Blackwell, this issue). The marine data sets and calibration curve for marine samples from the surface mixed layer (Marine04) are discussed here. The tree-ring data sets, sources of uncertainty, and regional offsets are presented in detail in a companion paper by Reimer et al. (this issue).

Từ khóa


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Radiocarbon

Tập 46 Số 3

1059-1086

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