creating spiraling sand ridges that pinwheel outward from a central peak. While star dunes are commonly found in sandy ...

This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...

and the sand plains at the rear of transgressive dunes or between dune ridges, are usually relatively flat. Vegetation is a significant controlling factor influencing the formation and morphology ...

This reserve also contains examples of the successional stages of dune formation, from bare sand, embryonic dunes to (further inland) stabilised dunes and slacks. The site is managed by Natural ...

Unlike the dunes on Earth which are constantly in motion, the kidney bean-shaped dunes on Mars appear surprisingly motionless ...

this issue). Driftwood sometimes forms the focus for the initial accumulation of dune sand, but vegetation is the most common roughness element that contributes to the formation of incipient dunes ...

Photo shared by Saman Soortiji via Costantini, Delle Donne and Soortiji (2024) Wooden posts sticking out of a sand dune in northern Iran turned out to be a century-old shipwreck. Photos show what ...

Major coastal storms have recently impacted Maine’s beaches making them more vulnerable to storm surge and rising seas.“The average had been like every seven ye ...

Choose your biking adventure: Climb a 100-foot sand dune or weave through a Hemlock forest. Northern Michigan offers both as favorite summertime trails embrace winter and adapt to fat-tire biking.

NASA's Mars Reconnaissance Orbiter has captured images of kidney bean-shaped frozen sand dunes in Mars' northern ... sustaining life. The formation and behavior of carbon dioxide frost on Mars ...