HiRISE has been monitoring this dune field since 2008, and it changes every year from gully erosion in the winter and blowing sand in the summer. https://photojournal.jpl.nasa.gov/catalog/PIA23673
HiRISE has been monitoring this dune field since 2008, and it changes every year from gully erosion in the winter and blowing sand in the summer. https://photojournal.jpl.nasa.gov/catalog/PIA23673