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Title: Windy Mars : A dynamic planet as seen by the HiRISE camera
Authors: Bridges, N. T.
Geissler, P. E.
McEwen, A. S.
Thomson, B. J.
Chuang, F. C.
Herkenhoff, K. E.
Keszthelyi, L. P.
Martınez-Alonso, S.
Keywords: Mars
aeolian geology
High Resolution Imaging Science Experiment (HiRISE)
Issue Date: 15-Dec-2007
Publisher: the American Geophysical Union
Citation: Geophysical Research Letters, Vol. 34, L23205, doi:10.1029/2007GL031445, 2007
Abstract: With a dynamic atmosphere and a large supply of particulate material, the surface of Mars is heavily influenced by wind-driven, or aeolian, processes. The High Resolution Imaging Science Experiment (HiRISE) camera on the Mars Reconnaissance Orbiter (MRO) provides a new view of Martian geology, with the ability to see decimeter-size features. Current sand movement, and evidence for recent bedform development, is observed. Dunes and ripples generally exhibit complex surfaces down to the limits of resolution. Yardangs have diverse textures, with some being massive at HiRISE scale, others having horizontal and cross-cutting layers of variable character, and some exhibiting blocky and polygonal morphologies. “Reticulate” (fine polygonal texture) bedforms are ubiquitous in the thick mantle at the highest elevations.
Appears in Collections:JPL TRS 1992+

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