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火星探测器在火星表面观测到了大量河流、湖泊和海洋留下的地质痕迹（图1）。这说明曾经的火星和地球一样，有大量的地表水和温湿的气候（Carr et al, 1987; Lasue et al., 2013）。但现在的火星气候寒冷干燥，失去了所有的地表液态水，只有两极干冰极盖区存在少部分冰和大气中存在少量水蒸气。火星曾经的湖泊海洋为什么会消失，那么多地表水去了哪里，地球会不会有一天也像火星一样失去所有的...
Professor Chris Field，Department of Earth System Science at Stanford University（图）
Professor Chris Field Department of Earth System Science at Stanford University
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2015/7/2
Professor Chris Field，Department of Earth System Science at Stanford University,Education
PhD, Stanford University, Biological Sciences (1981)
AB, Harvard College, Biology (1975)
Professor Kevin Arrigo，Department of Earth System Science at Stanford University（图）
Professor Kevin Arrigo Department of Earth System Science at Stanford University
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2015/7/2
Kevin Arrigo received his B.S in Natural Resources from the University of Michigan in 1983. After working for the Michigan Department of Natural Resources, he attended the University of Southern Calif...