Antarctic ice streams and outflow channels on Mars

Details Antarctic ice streams and outflow channels on Mars Antarctic ice streams and outflow channels on Mars

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28..403l&link_type=abstract

Geophysical Research Letters, Volume 28, Issue 3, p. 403-406

Physics

17

Planetology: Solid Surface Planets: Erosion And Weathering, Planetology: Solid Surface Planets: Glaciation, Planetology: Solid Surface Planets: Heat Flow, Planetology: Solar System Objects: Mars

Scientific paper

New sonar images of the Antarctic sea floor reveal mega-scale glacial lineations that are strikingly similar to longitudinal flutes in martian outflow channels. The analogs suggest that ice moved through the martian channels in places and carved the flutes. The ice in martian channels may have moved like Antarctic ice streams on deformable debris saturated with water under high pore pressure. On Mars, water at the base of ice-filled channels may have come from residual water or melt water liberated during past warmer climates or higher heat flows.

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