A Complete Terrestrial Radiocarbon Record for 11.2 to 52.8 kyr B.P.

C. Bronk Ramsey, R. A. Staff, C. L. Bryant, F. Brock, H. Kitagawa, J. Van Der Plicht, G. Schlolaut, M. H. Marshall, A. Brauer, H. F. Lamb, R. L. Payne, P. E. Tarasov, T. Haraguchi, K. Gotanda, H. Yonenobu, Y. Yokoyama, R. Tada, T. Nakagawa

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Abstract

Radiocarbon (14C) provides a way to date material that contains carbon with an age up to ~50,000 years and is also an important tracer of the global carbon cycle. However, the lack of a comprehensive record reflecting atmospheric 14C prior to 12.5 thousand years before the present (kyr B.P.) has limited the application of radiocarbon dating of samples from the Last Glacial period. Here, we report 14C results from Lake Suigetsu, Japan (35°35′N, 135°53′E), which provide a comprehensive record of terrestrial radiocarbon to the present limit of the 14C method. The time scale we present in this work allows direct comparison of Lake Suigetsu paleoclimatic data with other terrestrial climatic records and gives information on the connection between global atmospheric and regional marine radiocarbon levels.
Original languageEnglish
Pages (from-to)370-374
Number of pages5
JournalScience
Volume338
Issue number6105
DOIs
Publication statusPublished - 19 Oct 2012

Keywords

  • Atmosphere/chemistry
  • Calibration
  • Carbon Radioisotopes/analysis
  • Fossils
  • Geologic Sediments/chemistry
  • Lakes/chemistry
  • Radiometric Dating/standards
  • Trees/anatomy & histology

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