Spiders: Water-Driven Erosive Structures in the Southern Hemisphere of Mars

Details Spiders: Water-Driven Erosive Structures in the Southern Hemisphere of Mars Spiders: Water-Driven Erosive Structures in the Southern Hemisphere of Mars

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006asbio...6..651p&link_type=abstract

Astrobiology, Volume 6, Issue 4, pp. 651-667.

Biology

7

Water, Erosive Processes, Mars, Seasonal Changes, Dark Spots

Scientific paper

Recent data from space missions reveal that there are ongoing climatic changes and erosive processes that continuously modify surface features of Mars. We have investigated the seasonal dynamics of a number of morphological features located at Inca City, a representative area at high southern latitude that has undergone seasonal processes. By integrating visual information from the Mars Orbiter Camera on board the Mars Global Surveyor and climatic cycles from a Mars' General Circulation Model, and considering the recently reported evidence for the presence of water-ice and aqueous precipitates on Mars, we propose that a number of the erosive features identified in Inca City, among them spiders, result from the seasonal melting of aqueous salty solutions.

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