The age of one of Earth's largest and most complex types of sand dune has been calculated for ... After its initial formation, it stopped growing for about 8,000 years and then quickly expanded ...

Sand dunes are a globally important depositional landform ... years of field research on desert dunes and his keen insights on the ‘big-picture’ of dune formation and change make him the best ...

Work began this week on a project to place 30,000 tons of sand on a Massachusetts beach where erosion threatens homes and ...

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 ...

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 ...

After its initial formation, it stopped growing ... dating to work out the age of the star dune. The method calculates when the grains of sand were last exposed to daylight. Samples of sand ...