https://science.nasa.gov/photojournal/west-arabia-barchans/
West Arabia Barchans - NASA Science
Jul 16, 2005 - NASA's Mars Global Surveyor shows small barchan dunes on the floor of a crater in western Arabia Terra on Mars. Similar dunes are found in most of the larger...
westarabianasascience
https://www.data.gov.uk/dataset/407afe66-d193-4bee-9d64-e7404cddaaa6/morphology-and-migration-data-of-protodunes-and-barchans-on-mars-and-earth
Morphology and migration data of protodunes and barchans on Mars and Earth - data.gov.uk