Regions on Mars where liquid water would be stable
Rregions on Mars where liquid water would be stable
"...We find that liquid water would be stable within the Hellas and Argyre basin and over the northern lowlands equatorward of about 40°. The location with the maximum period of stable conditions for liquid water is in the southeastern portion of Utopia Planitia, where 34% of the year liquid water would be stable if it were present...."
http://www.pnas.org/cgi/content/full/98/5/2132
