Abstract
What does shallow groundwater in Antarctica tell us about "recurring slope lineae" groundwater seeps on Mars? What does the sudden collapse of ground ice in the Dry Valleys indicate about landscape evolution on Mars over the recent Amazonian? New results from Antarctic field research will be presented that examine the interactions between polar soils, shallow hydrological systems, deliquescent salts, and buried ice masses in the McMurdo Dry Valleys. Surface-atmosphere-biosphere interactions will be explored from the hillslope to the continental scale with applications to understanding the evolution of water/ice features on Mars.