Catastrophe & Cartography - Sand Dunes

Our tool for today will be Google Earth Pro’s “Historical Imagery“ tool. This will allow us to see all of the satellite imagery that has been captured going back roughly 40 years: You can download all of the reference images and research papers I used for this video here: A few months ago I had the unique opportunity to sit down with @TheRandallCarlson to discuss the sand formations found in the Sahara Desert. You can watch that video here: After our discussion, I was excited to learn as much as possible about the other sand dune formations found around the world. I quickly realized that the formation and movement of sand dunes are not as obvious as they might appear to the untrained eye. For example, the Barchan Dunes, which are found all around the world, appear to be shaped by water (at l