News tagged with sediment transport


Martian rock arrangement not alien handiwork

Space & Earth / Space Exploration

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

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, ...





Search results for sediment transport


Detail from a Cassini radar image of sand dunes on Titan

Scientist finds alternate explanation for dune formation on Titan

Space & Earth / Space Exploration

created Aug 25, 2009 | popularity 4.2 / 5 (6) | comments 0

A new and likely controversial paper has just been published online in Nature Geoscience by LSU Department of Geography and Anthropology Chair Patrick Hesp and United States Geological Survey scientist David ...


Transport behavior of E. coli varies depending on manure source

Space & Earth / Environment

created Mar 09, 2009 | popularity not rated yet | comments 0

Escherichia coli is a commonly used indicator organism for detecting the presence of fecal contamination in drinking water supplies. The importance of E. coli as an indicator organism has led to several studies looking at th ...


Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil

Space & Earth / Environment

created Feb 23, 2009 | popularity 5 / 5 (1) | comments 0

Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...


Where Did the Uranium Go?

Where Did the Uranium Go?

Space & Earth / Environment

created Oct 26, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Uranium's migration through the soil depends on groundwater's chemical composition, according to a recent study by Pacific Northwest National Laboratory. Scientists showed that uraniumattached ...


Research Analyzes Flow Structure Under Breaking Waves

Research Analyzes Flow Structure Under Breaking Waves

Technology / Engineering

created Feb 19, 2009 | popularity not rated yet | comments 0

In landlocked South Dakota, hundreds of miles and 1,600 feet of elevation from the nearest ocean, South Dakota State University professor Francis Ting studies the structure of breaking waves like those that ...


Study shows more corn for biofuels would hurt water

Space & Earth / Environment

created Sep 28, 2009 | popularity 4 / 5 (4) | comments 0

(PhysOrg.com) -- More of the fertilizers and pesticides used to grow corn would find their way into nearby water sources if ethanol demands lead to planting more acres in corn, according to a Purdue University study.


River delta areas can provide clue to environmental changes

Space & Earth / Environment

created May 11, 2009 | popularity 2.3 / 5 (3) | comments 0

Sediments released by many of the world's largest river deltas to the global oceans have been changed drastically in the last 50 years, largely as a result of human activity, says a Texas A&M University researcher who emphasizes ...


Model analysis helps protect river's ecosystem

Model analysis helps protect river's ecosystem

Space & Earth / Earth Sciences

created Mar 06, 2008 | popularity 3.8 / 5 (4) | comments 0

The Grand Canyon will be experiencing a spring of yesteryear, as water flow rates from the Glen Canyon Dam will be significantly increased, then throttled back in a high-flow experiment that runs March 4 through ...


Methane gas likely spewing into the oceans through vents in sea floor

Methane gas likely spewing into the oceans through vents in sea floor (w/ Video)

Space & Earth / Earth Sciences

created Sep 02, 2009 | popularity 4.2 / 5 (10) | comments 8

(PhysOrg.com) -- Scientists worry that rising global temperatures accompanied by melting permafrost in arctic regions will initiate the release of underground methane into the atmosphere. Once released, that ...


1 in 20 patients experience critical event during urgent air-medical transport

Medicine & Health / Other

created Sep 14, 2009 | popularity not rated yet | comments 0

During air-medical transport of acutely-ill patients, 1 in 20 experience a critical event such as death, major resuscitation or blood pressure deterioration according to a new study in CMAJ (Canadian Medical Association Jo ...



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