News tagged with dunes

Winds drive dune movement on Mars

Sand dunes, a common feature on the surface of Mars, can provide a record of recent and past changes. Some dunes near Mars’ polar areas have been observed to move recently due to carbon dioxide ice sublimation, ...

Nov 16, 2011
3.4 / 5 (5) 7

Iran, Iraq pay $1.2 bn to battle sandstorms

A top Iranian environment official said on Monday Tehran and Baghdad will jointly pay $1.2 billion in a project to reduce the number of sand dunes in a bid to cut the number of sandstorms from Iraq.

Oct 03, 2011
5 / 5 (1) 1

Putting it all together on Titan

Three of Titan's major surface features -- dunes, craters and the enigmatic Xanadu -- appear in this radar image from NASA's Cassini spacecraft. The hazy, bright area at the left that extends to the lower ...

Aug 09, 2011
5 / 5 (4) 0

Sand drift explained

Researchers in countries such as Denmark, the Netherlands and Poland study sand drift, but most of them are focusing on sand dunes along the coastline, not on the plains further inland.

Apr 07, 2011
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Winds of change strike Mars, too

Mysterious dark sand dunes around Mars' northern polar cap are shifting with the seasons, as carbon dioxide gas changes form and sparks landscape-altering avalanches, said a study published Thursday.

Feb 03, 2011
4.4 / 5 (14) 7 | with audio podcast

Trojan Horse attack on native lupine

At Point Reyes National Seashore in Marin County, Calif., a fierce battle is taking place under the oblivious, peeling noses of beachgoers.

Aug 13, 2010
4.9 / 5 (10) 0 | with audio podcast

In deserts, which dunes are the most stable?

By modeling a desert where the wind blows in two directions, French researchers from CNRS and Universite Paris Dideror have succeeded in observing and highlighting, for the very first time, the formation process ...

May 28, 2010
5 / 5 (1) 0