Were last glacial climate events simultaneous between Greenland and France? A quantitative comparison using non-tuned chronologies

被引：59

作者：

Blaauw, Maarten ^{[1
]}

Wohlfarth, Barbara ^{[2
]}

Christen, J. Andres ^{[3
]}

Ampel, Linda ^{[4
]}

Veres, Daniel ^{[4
,5
]}

Hughen, Konrad A. ^{[6
]}

Preusser, Frank ^{[7
]}

Svensson, Anders ^{[8
]}

机构：

[1] Queens Univ Belfast, Sch Geog Archaeol & Palaeoecol, Belfast, Antrim, North Ireland

[2] Stockholm Univ, Dept Geol & Geochem, S-10691 Stockholm, Sweden

[3] CIMAT, Guanajuato, Mexico

[4] Stockholm Univ, Dept Phys Geog & Quaternary Geol, S-10691 Stockholm, Sweden

[5] Emil Racovita Inst Speleol, Cluj Napoca, Romania

[6] Woods Hole Oceanog Inst, Woods Hole, MA 02543 USA

[7] Univ Bern, Inst Geol, CH-3012 Bern, Switzerland

[8] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

来源：

JOURNAL OF QUATERNARY SCIENCE | 2010年 / 25卷 / 03期

关键词：

ICE-CORE; RADIOCARBON CALIBRATION; ABSOLUTE CALIBRATION; C-14; CALIBRATION; LES ECHETS; MIS; SCALE; AGE; VARIABILITY; MARINE;

D O I：

10.1002/jqs.1330

中图分类号：

P9 [自然地理学];

学科分类号：

0705 ; 070501 ;

摘要：

Several large abrupt climate fluctuations during the last glacial have been recorded in Greenland ice cores and archives from other regions. Often these Dansgaard-Oeschger events are assumed to have been synchronous over wide areas, and then used as tie-points to link chronologies between the proxy archives. However, it has not yet been tested independently whether or not these events were indeed synchronous over large areas. Here, we compare Dansgaard-Oeschger-type events in a well-dated record from southeastern France with those in Greenland ice cores. Instead of assuming simultaneous climate events between both archives, we keep their age models independent. Even these well-dated archives possess large chronological uncertainties that prevent us from inferring synchronous climate events at decadal to multi-centennial time scales. If possible, comparisons between proxy archives should be based on independent, non-tuned time-scales. Copyright (C) 2009 John Wiley & Sons, Ltd.

引用

页码：387 / 394

页数：8

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