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. 2015 Nov 5;6:8796. doi: 10.1038/ncomms9796

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Regional position of Proctor Crater, area over which airflow model was run and site locations of ripples studied. (a) Location of study site within Proctor Crater, (47°41'26.36'S 29°54'53.54E). The dunefield is the dark area in the image. Note: scale bar length is 100 km. The location of our model location is shown in b. (b) The eastern section of the dune field containing the study area. Note: scale bar length is 40 km (c) Image of the surface over which the simulations were run with site locations marked (area demarked in b). Note: scale bar length is 400 m.