News tagged with sand transport

It's a grind to make Mars red

(PhysOrg.com) -- The widespread idea that Mars is red due to rocks being rusted by the water that once flooded the red planet may be wrong. Recent laboratory studies show that the red dust may be formed by ...

Space & Earth / Space Exploration

created Sep 18, 2009 | popularity 4.5 / 5 (6) | comments 2

Martian rock arrangement not alien handiwork

At first, figuring out how pebble-sized rocks organize themselves in evenly-spaced patterns in sand seemed simple and even intuitive. But once Andrew Leier, an assistant geoscience professor at the U of C, started observing, ...

Space & Earth / Space Exploration

created Jan 07, 2009 | popularity 4.4 / 5 (8) | comments 2




Search results for sand transport


New model of geological strata may aid oil extraction, water recovery and Earth history studies

(Phys.org) -- A Sandia modeling study contradicts a long-held belief of geologists that pore sizes and chemical compositions are uniform throughout a given strata, which are horizontal slices of sedimentary ...

Space & Earth / Earth Sciences

created May 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Civil engineers find savings where the rubber meets the road

A new study by civil engineers at MIT shows that using stiffer pavements on the nation’s roads could reduce vehicle fuel consumption by as much as 3 percent — a savings that could add up to 273 million ...

Technology / Energy & Green Tech

created May 22, 2012 | popularity not rated yet | comments 0 | with audio podcast

Lunar boom: Why we'll soon be mining the moon

As history has repeatedly shown, where there are valuable minerals to be unearthed, adventurous humans will arrive in droves – even if it means battling extreme conditions and risking life and limb.

Space & Earth / Space Exploration

created May 16, 2012 | popularity 4.4 / 5 (10) | comments 4

Scientists measure Martian sand movement: Dune migration rates appear to be similar to those on Earth

Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot ...

Space & Earth / Space Exploration

created May 09, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

New strategy offers hope for Florida's gopher tortoises

Florida's approach to saving gopher tortoises from extinction a decade ago allowed developers to bury the docile reptiles alive in their burrows in return for what critics called "blood money" that was used to buy and protect ...

Biology / Ecology

created Apr 23, 2012 | popularity 5 / 5 (2) | comments 0

Transverse instability of megaripples

Aeolian ripples, which form regular patterns on sand beaches and desert floors, indicate the fundamental instability of flat sand surfaces under the wind-induced transport of sand grains.

Space & Earth / Earth Sciences

created Mar 20, 2012 | popularity 5 / 5 (1) | comments 0

World's largest extrusive body of sand?

Using 3-D seismic and well data from the northern North Sea, Helge Løseth of the Statoil Research Center (Trondheim, Norway) and colleagues describe a large (10 cubic kilometers) body of sand and interpret it as extrusive. ...

Space & Earth / Earth Sciences

created Mar 20, 2012 | popularity 5 / 5 (3) | comments 4

Sea turtles surf an ocean highway to safer habitat, Stanford research suggests

(PhysOrg.com) -- The first few days of life for a leatherback turtle are no easy walk on the beach.

Biology / Ecology

created Mar 02, 2012 | popularity 4 / 5 (2) | comments 0

The hills are evolving: New model predicts speed of spreading valleys

From high above the Florida Panhandle, the Apalachicola Bluffs -- a winding system of steep ravines -- look like the branching veins of a leaf.

Space & Earth / Earth Sciences

created Feb 06, 2012 | popularity 5 / 5 (3) | comments 2 | with audio podcast

More environmental rules needed for shale gas, says Stanford geophysicist

In his State of the Union address, President Barack Obama praised the potential of the country's tremendous supply of natural gas buried in shale. He echoed the recommendations for safe extraction made by ...

Space & Earth / Environment

created Feb 06, 2012 | popularity 5 / 5 (2) | comments 2


List of search results for sand transport