A Great Basin-wide dry episode during the first half of the Mystery Interval?

被引：50

作者：

Broecker, Wallace S. ^{[1
]}

McGee, David ^{[1
]}

Adams, Kenneth D. ^{[2
]}

Cheng, Hai ^{[3
]}

Edwards, R. Lawrence ^{[3
]}

Oviatt, Charles G. ^{[4
]}

Quade, Jay ^{[5
]}

机构：

[1] Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA

[2] Desert Res Inst, Reno, NV 89512 USA

[3] Univ Minnesota, Dept Geol & Geophys, Minneapolis, MN 55455 USA

[4] Kansas State Univ, Dept Geol, Manhattan, KS 66506 USA

[5] Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA

来源：

QUATERNARY SCIENCE REVIEWS | 2009年 / 28卷 / 25-26期

关键词：

RADIOCARBON AGE CALIBRATION; ABRUPT CLIMATE-CHANGE; LAST GLACIAL PERIOD; CAL KYR BP; LATE PLEISTOCENE; LAKE BONNEVILLE; LAHONTAN BASIN; MASS-SPECTROMETRY; ASIAN MONSOON; HULU CAVE;

D O I：

10.1016/j.quascirev.2009.07.007

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

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.

引用

页码：2557 / 2563

页数：7

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