Longitudinal ridges imparted by high-speed granular flow mechanisms in martian landslides

The occurrence of longitudinal ridges on large landslide masses on planetary bodies is enabled by long runout distances, which have so far been attributed to the presence of ice. The authors here present a challenging model based on mechanical instabilities within the flow, suggesting that ice is no...

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Bibliographic Details
Main Authors: Giulia Magnarini, Thomas M. Mitchell, Peter M. Grindrod, Liran Goren, Harrison H. Schmitt
Format: article
Language:EN
Published: Nature Portfolio 2019
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Online Access:https://doaj.org/article/a4fd97d847bb4653b41a2fda48d91028
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Summary:The occurrence of longitudinal ridges on large landslide masses on planetary bodies is enabled by long runout distances, which have so far been attributed to the presence of ice. The authors here present a challenging model based on mechanical instabilities within the flow, suggesting that ice is not needed.