Liquid h2o are not capable to exist on the surface area area of Mars because of to lower atmospheric strain, aside from at the lowest elevations for tiny intervals. The two roman policier ice caps show up to be developed primarily of consuming drinking water. The amount of drinking water ice in the south polar ice cap, if melted, would be sufficient to go over the full planetary surface to a depth of 11 meters. A permafrost mantle stretches from the pole to latitudes of about 60'. Large quantities of consuming water ice are believed to be trapped beneath the thick cryosphere of Mars.