Abrupt temperature changes in the Western Mediterranean over the past 250,000 years

被引：397

作者：

Martrat, B

Grimalt, JO ^{[1
]}

Lopez-Martinez, C

Cacho, I

Sierro, FJ

Flores, JA

Zahn, R

Canals, M

Curtis, JH

Hodell, DA

机构：

[1] Inst Invest Quim & Ambientals Barcelona, Dept Environm Chem, CSIC, Barcelona 08034, Spain

[2] Univ Barcelona, Dept Stratig Paleontol & Marine Geosci, E-08028 Barcelona, Spain

[3] Univ Salamanca, Dept Geol, E-37008 Salamanca, Spain

[4] Univ Florida, Dept Geol Sci, Gainesville, FL 32611 USA

来源：

SCIENCE | 2004年 / 306卷 / 5702期

关键词：

D O I：

10.1126/science.1101706

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A continuous high-resolution Western Mediterranean sea surface temperature (SST) alkenone record spanning the past 250,000 years shows that abrupt changes were more common at warming than at cooling. During marine isotope stage (MIS) 6, SST oscillated following a stadial-interstadial pattern but at lower intensities and rates of change than in the Dansgaard/Oeschger events of MIS 3. Some of the most prominent events occurred over MISs 5 and 7, after prolonged warm periods of high stability. Climate during the whole period was predominantly maintained in interglacial-interstadial conditions, whereas the duration of stadials was much shorter.

引用

页码：1762 / 1765

页数：4

共 43 条

[21] A 340,000 year record of ice rafting, palaeoclimatic fluctuations, and shelf-crossing glacial advances in the southwestern Labrador Sea [J].