HiPOD 5 Apr 2023: Waxing and Waning Winds

A dune’s steepest area, called a “slip face,” indicates the down-wind side of the dune and its migration direction as driven by local winds. At this location, there are many dunes influenced by eastward winds that were draining into Hellas. Meanwhile, other locations show that migration had shifted towards the opposite direction to the west.

https://uahirise.org/hipod/ESP_076986_1375
NASA/JPL-Caltech/UArizona
#Mars #science #NASA