Putting the Younger Dryas cold event into context

被引：193

作者：

Broecker, Wallace S. ^{[1
]}

Denton, George H. ^{[2
]}

Edwards, R. Lawrence ^{[3
]}

Cheng, Hai ^{[3
]}

Alley, Richard B. ^{[4
,5
]}

Putnam, Aaron E. ^{[2
]}

机构：

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

[2] Univ Maine, Climate Change Inst, Dept Earth Sci, Bryand Global Sci Ctr, Orono, ME 04469 USA

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

[4] Penn State Univ, Earth & Environm Syst Inst, Dept Geosci, University Pk, PA 16802 USA

[5] Penn State Univ, Earth & Environm Syst Inst, PSICE, University Pk, PA 16802 USA

来源：

QUATERNARY SCIENCE REVIEWS | 2010年 / 29卷 / 9-10期

关键词：

MILLENNIAL-SCALE; CLIMATE-CHANGE; ATMOSPHERIC METHANE; HEINRICH EVENTS; NORTH-ATLANTIC; CHRONOLOGY; MONSOON; IMPACT; RECORD; AIR;

D O I：

10.1016/j.quascirev.2010.02.019

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

The Younger Dryas event is by far the best studied of the millennial-scale cold snaps of glacial time. Yet its origin remains a subject of debate. The long-held scenario that the Younger Dryas was a one-time outlier triggered by a flood of water stored in proglacial Lake Agassiz has fallen from favor due to lack of a clear geomorphic signature at the correct time and place on the landscape. The recent suggestion that the Younger Dryas was triggered by the impact of a comet has not gained traction. Instead, evidence from Chinese stalagmites suggests that, rather than being a freak occurrence, the Younger Dryas is an integral part of the deglacial sequence of events that produced the last termination on a global scale. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1078 / 1081

页数：4

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