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Polygon pattern geomorphometry on Svalbard (Norway) and western Utopia Planitia (Mars) using high-resolution stereo remote-sensing data

Hauber, E.; Ulrich, M.; Herzschuh, U. +2 more

Polygonal systems formed by thermal contraction cracking are complex landscape features widespread in terrestrial periglacial regions. The manner in which cracking occurs is controlled by various environmental factors and determines dimension, shape, and orientation of polygons. Analogous small-scale features are ubiquitous in Martian mid- and hig…

Ice sublimation as a geomorphic process: A planetary perspective

Mangold, Nicolas

Sublimation plays a role in the shaping of landforms of planetary surfaces where ice is present as frost, as polar caps, or in the subsurface. This review is focused primarily on the geomorphologic consequences of sublimation. A summary of the suite of landforms that have been observed on the surface of various planetary bodies and whose formation…