期刊
QUATERNARY SCIENCE REVIEWS
卷 28, 期 25-26, 页码 2557-2563出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quascirev.2009.07.007
关键词
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资金
- Comer Science and Education Foundation
- Lamont-Doherty Earth Observatory [7286]
The existence of the Big Dry event from 14.9 to 13.8 (14)C kyrs in the Lake Estancia New Mexico record suggests that the deglacial Mystery Interval (14.5-12.4 (14)C kyrs) has two distinct hydrologic parts in the western USA. During the first, Great Basin Lake Estancia shrank in size and during the second, Great Basin Lake Lahontan reached its largest size. It is tempting to postulate that the transition between these two parts of the Mystery Interval were triggered by the IRD event recorded off Portugal at about 13.8 (14)C kyrs which post dates Heinrich event #1 by about 1.5 kyrs. This twofold division is consistent with the record from Hulu Cave, China, in which the initiation of the weak monsoon event occurs in the middle of the Mystery Interval at 16.1 kyrs (i.e., about 13.8 (14)C kyrs). (C) 2009 Elsevier Ltd. All rights reserved.
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