PLANETARY SCIENCE Mars on dry ice

被引:0
|
作者
Dundas, Colin [1 ]
机构
[1] US Geol Survey, Astrogeol Sci Ctr, Flagstaff, AZ 86001 USA
关键词
DEBRIS FLOWS; GULLIES;
D O I
10.1038/ngeo2625
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Martian gullies have been seen as evidence for past surface water runoff. However, numerical modelling now suggests that accumulation and sublimation of carbon dioxide ice, rather than overland flow of liquid water, may be driving modern gully formation.
引用
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页码:10 / 12
页数:3
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