globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2017.06.026
Scopus记录号: 2-s2.0-85021629612
论文题名:
Radiocarbon calibration uncertainties during the last deglaciation: Insights from new floating tree-ring chronologies
作者: Adolphi F.; Muscheler R.; Friedrich M.; Güttler D.; Wacker L.; Talamo S.; Kromer B.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 170
起始页码: 98
结束页码: 108
语种: 英语
英文关键词: Cosmogenic isotopes ; Deglaciation ; Ice cores ; IntCal ; Radiocarbon dating ; Tree-rings
Scopus关键词: Calibration ; Forestry ; Geochronology ; Cosmogenic isotopes ; Deglaciations ; Ice core ; IntCal ; Radiocarbon dating ; Tree rings ; Trees (mathematics) ; calibration ; carbon isotope ; cosmogenic radionuclide ; deglaciation ; ice core ; last deglaciation ; radiocarbon dating ; tree ring ; uncertainty analysis ; Arctic ; Greenland
英文摘要: Radiocarbon dating is the most commonly used chronological tool in archaeological and environmental sciences dealing with the past 50,000 years, making the radiocarbon calibration curve one of the most important records in paleosciences. For the past 12,560 years, the radiocarbon calibration curve is constrained by high quality tree-ring data. Prior to this, however, its uncertainties increase rapidly due to the absence of suitable tree-ring 14C data. Here, we present new high-resolution 14C measurements from 3 floating tree-ring chronologies from the last deglaciation. By using combined information from the current radiocarbon calibration curve and ice core 10Be records, we are able to absolutely date these chronologies at high confidence. We show that our data imply large 14C-age variations during the Bølling chronozone (Greenland Interstadial 1e) – a period that is currently characterized by a long 14C-age plateau in the most recent IntCal13 calibration record. We demonstrate that this lack of structure in IntCal13 may currently lead to erroneous calibrated ages by up to 500 years. © 2017 Elsevier Ltd
资助项目: We thank Stefanie Müller and Git Klintvik Ahlberg for help in the laboratory. The study was supported by the Swedish Research Council (VR) (grant DNR2013-8421 to RM) and through a Linnaeus grant to Lund University (LUCCI) (grant number: VR 349-2007-8705) and the Crafoord Foundation (grant number: 20071059). We thank the Gary Comer foundation for funding of the fieldwork in Palughetto and the evaluation of the tree collection. We thank the Royal Fysiografic Scociety, Lund, for funding radiocarbon measurements. FA was supported through Short Term Scientific Mission within the COST scientific programme on INTegrating Ice core, MArine and TErrestrial records, INTIMATE, (COST-STSM-ECOST-STSM-ES0907-200313-025902) and by the Swedish Research Council (VR)Swedish Research Council (grant 2016-00218 to FA).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59144
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作者单位: Department of Geology, Quaternary Sciences, Lund University, Sölvegatan 12, Lund, Sweden; Climate and Environmental Physics, Physics Institute, University of Bern, Sidlerstrasse 5, Bern, Switzerland; Institute of Environmental Physics, University of Heidelberg, INF 229, Heidelberg, Germany; Department of Botany, Hohenheim University, Garbenstr. 30, Stuttgart, Germany; Ion Beam Physics, ETH Zurich, Otto-Stern-Weg 5, Zürich, Switzerland; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, Leipzig, Germany

Recommended Citation:
Adolphi F.,Muscheler R.,Friedrich M.,et al. Radiocarbon calibration uncertainties during the last deglaciation: Insights from new floating tree-ring chronologies[J]. Quaternary Science Reviews,2017-01-01,170
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