Radiocarbon dating, reservoir effects, and calibration

被引:49
作者
Jull, A. J. Timothy [1 ]
Burr, George S. [1 ]
Hodgins, Gregory W. L. [1 ]
机构
[1] Univ Arizona, NSF Arizona AMS Lab, Tucson, AZ 85721 USA
关键词
ACCELERATOR MASS-SPECTROMETRY; CAL KYR BP; SOIL ORGANIC-MATTER; AD; 1950-500; BC; AGE CALIBRATION; TIME-SCALE; MARINE SAMPLES; C-14; AGES; YR BP; ACID TREATMENT;
D O I
10.1016/j.quaint.2012.10.028
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
We summarize how radiocarbon measurements are made using accelerator mass spectrometry. We also discuss some complications inherent in the radiocarbon-dating method when calibrating radiocarbon dates to calendar dates. For example, measurements of radiocarbon (C-14) in some types of materials are complicated by a "reservoir effect", caused by an apparent age of the source reservoir that differs from the contemporary atmospheric surface C-14 value. In other cases, mobile carbon sources in nature can produce mixed sources of carbon. We explore these effects and discuss their possible implications for C-14 measurements and how we can deal with them. (C) 2012 Elsevier Ltd and INQUA. All rights reserved.
引用
收藏
页码:64 / 71
页数:8
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