Primary dunes are composed of sand blown directly from the beach face (active beach), whereas ... to the formation of incipient dunes (Figure 1, photos 1–3). Incipient foredunes are sometimes ...

If a beach getaway is included in your holiday break plans, be mindful of snakes that may also inhabit the shores.

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 ...

Aa Aa Aa For large-scale coastal dune development there needs to be a suitable wind regime, large reserves of sand and suitable nearshore, beach and ... migrates downwind (Photos 1 and 2).