A HIGHLY MOBILE LAURENTIDE ICE-SHEET REVEALED BY SATELLITE IMAGES OF GLACIAL LINEATIONS

被引:213
作者
BOULTON, GS
CLARK, CD
机构
[1] Department of Geology and Geophysics, Grant Institute, Edinburgh University, Edinburgh EH9 3JW, West Mains Road
[2] Department of Geography, University of Sheffield
关键词
D O I
10.1038/346813a0
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
Satellite images of the North American continent reveal previously unrecognized patterns of crossing drift lineations reflecting unexpected shifts of centres of mass of the Laurentide ice sheet throughout the last glacial cycle. Such shifts must must have been associated with major global atmospheric circulation changes. © 1990 Nature Publishing Group.
引用
收藏
页码:813 / 817
页数:5
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