Mars' Carbon Dioxide Glaciers are on the Move universetoday storybywill
ice started forming at the Martian south pole. Due to climate cycles, the ice has increased in volume and mass several times, interrupted by periods of mass loss through sublimation. If the ice had never flowed, then it would mostly be where it was originally deposited, and the thickest ice would only be about 45 meters thick. Instead, because it flowed downhill into basins and spiral troughs – curvilinear basins – where it ponded, it was able to form deposits reaching one kilometer thick.
For this, they concluded that the CO2 ice behaves like glaciers here on Earth, which makes the slow-moving water ice cap appear stationary. “The glaciers have enough mass that if sublimated, they would double the atmospheric pressure of the planet,” Smith added, citing a “Atmospheric deposition would put the ice in a pattern we don’t see. It would be much more evenly spread and thinner. What the glacier interpretation provides is a mechanism to move the ice from high places, into the lower basins that are also at lower [latitudes].
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