Local orbital forcing of Antarctic climate change during the last interglacial

被引:33
作者
Kim, SJ [1 ]
Crowley, TJ [1 ]
Stössel, A [1 ]
机构
[1] Texas A&M Univ, Dept Oceanog, College Stn, TX 77843 USA
关键词
D O I
10.1126/science.280.5364.728
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
During the last interglacial, Antarctic climate changed before that of the Northern Hemisphere. Large local changes in precession forcing could have produced this pattern if there were a rectified response in sea ice cover. Results from a coupled sea ice-ocean general circulation model supported this hypothesis when it was tested for three intervals around the last interglacial. Such a mechanism may play an important role in contributing to phase offsets between Northern and Southern Hemisphere climate change for other time intervals.
引用
收藏
页码:728 / 730
页数:3
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