A novel approach for developing high-resolution sub-fossil peat chronologies with 14C dating

被引：15
|
作者：
Donders, TH
Wagner, F
van der Borg, K
de Jong, AFM
Visscher, H
机构：
[1] Univ Utrecht, Palaeobot & Palynol Lab, NL-3584 CD Utrecht, Netherlands
[2] Univ Utrecht, RJ Van Graaff Lab, NL-3584 CC Utrecht, Netherlands
来源：
RADIOCARBON | 2004年 / 46卷 / 01期
关键词：
D O I：
10.1017/S003382220003976X
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Sub-fossil sections from a Florida wetland were accelerator mass spectrometry (AMS) dated and the sedimentological conditions were determined. C-14 data were calibrated using a combined wiggle-match and C-14 bomb-pulse approach. Repeatable results were obtained providing accurate peat chronologies for the last 130 calendar yr. Assessment of the different errors involved led to age models with 3-5 yr precision. This allows direct calibration of paleoenvironmental proxies with meteorological data. The time frame in which C-14 dating is commonly applied can possibly be extended to include the 20th century.
引用
收藏
页码：455 / 463
页数：9
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