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Record #163405:

Formation of recent Martian gullies through melting of extensive water-rich snow deposits / Philip R. Christensen.

Title: Formation of recent Martian gullies through melting of extensive water-rich snow deposits / Philip R. Christensen.
Author(s): Christensen, Philip R.
Date: 2003.
In: Nature. (2003.), Vol. 422(6927) (2003)
Abstract: Proposes model in which melting of overlying snowpack provides source of water to erode gullies on surface of Mars. Water-rich snow layer, formed at periods of high obliquity, melts at low obliquity, producing water below insulating snow cover. This seeps into slopes and destabilises them, and gullies appear as snow cover goes. Protected patches of snow remaining today provide liquid water which may harbour life.
Notes:

Nature. Vol. 422(6927) :45-48 (2003).

Keywords: 551.32 -- Glaciology.
52 -- Astronomy.
523.43 -- Mars.
551.578.46 -- Snow cover and snow patches.
536.421.1 -- Melting.
519.673 -- Modelling.
E13 -- Glaciology: glacioastronomy.
SPRI record no.: 163405

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