Abstract
AbstractWe have investigated the seasonal and regional variations in the evaporation rate of both pure liquid water and liquid brine solutions on the surface of Mars. Our evaporation rate estimates are performed using a novel parameterization method taking into account the effects of concentration difference, between the evaporating liquid water solution and the atmosphere, in addition to the effects of near‐surface winds. The method is based on atmospheric surface‐layer calculations obtained from a global circulation model. We show that near‐surface winds strongly enhance strong seasonal variability in the evaporation rate of liquid solutions on Mars. The evaporation rate of a liquid brine solution can vary seasonally up to a factor of 3 and changes by two orders of magnitude depending on the surface elevation and properties of the terrain.
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