Abstract
The largest relatively ice‐free region on the Antarctic continent is the McMurdo Dry Valleys, located along the western coast of the Ross Sea. The term dry valleys refers to the deeply incised, ice‐free valleys that run perpendicular to the coast. The dry valleys were formed by the advances and retreats of glaciers through the coastal ranges of the Transantarctic Mountains, which rise to several thousand meters above sea level and actas barriers to the flow of ice from the Polar Plateau. Glacial and periglacial features are a major component of the landscape, and the valleys contain numerous closed basins in which perennially ice‐covered lakes are found.
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