The environmental significance of ventifacts: A critical review |
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| Authors: | Jasper Knight |
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| Institution: | 1. Department of Geology, Portland State University, Portland, OR 97201, USA;2. Institute for Geophysics, University of Texas, Austin, TX 78758, USA;3. Dept. of Civil & Environmental Engineering, Pennsylvania State University, University Park, PA 16802, USA;4. Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA |
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| Abstract: | Ventifacts (wind-abraded clasts or rock surfaces) are common features of many terrestrial hot and cold deserts, coastal, periglacial and mountain environments, as well as on Mars, and have a long history of investigation. This review paper discusses some of the main themes in terrestrial ventifact research including their formation and geomorphic controls. The varied morphological forms of ventifacts in terrestrial environments, and their environmental significance as indicators of past and present wind direction and sediment mobility, are critically evaluated. Future research directions are identified. |
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