News tagged with sediment buildup

Arctic exploration finds large underwater mountain

(AP) -- Joint U.S.-Canada exploration of the Arctic sea floor discovered an unusual underwater mountain and evidence that could boost the two countries' claims that their boundaries extend farther north. For the past two ...

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 3.8 / 5 (6) | comments 0




Search results for sediment buildup


Fossil raindrop impressions imply greenhouse gases loaded early Earth's atmosphere

In ancient Earth history, the sun burned as much as 30 percent dimmer than it does now. Theoretically that should have encased the planet in ice, but there is geologic evidence for rivers and ocean sediments ...

Space & Earth / Earth Sciences

created Mar 28, 2012 | popularity not rated yet | comments 4 | with audio podcast

A look back suggests a sobering future of wildfire dangers in US west

The American West has seen a recent increase in large wildfires due to droughts, the build-up of combustible fuel, or biomass, in forests, a spread of fire-prone species and increased tree mortality from insects and heat.

Space & Earth / Environment

created Feb 14, 2012 | popularity 5 / 5 (1) | comments 0

Flipped from head to toe: 100 years of continental drift theory

Exactly 100 years ago, on 6 January 1912, Alfred Wegener presented his theory of continental drift to the public for the first time. At a meeting of the Geological Association in Frankfurt's Senckenberg Museum, he revealed ...

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 3.3 / 5 (3) | comments 2

Long-Term carbon storage in Ganges basin may portend global warming worsening

(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) scientists have found that carbon is stored in the soils and sediments of the Ganges-Brahmaputra basin for a surprisingly long time, making it likely ...

Space & Earth / Earth Sciences

created Nov 09, 2011 | popularity 4 / 5 (6) | comments 7 | with audio podcast

Honing in on landing site for new Mars Rover

NASA's new Mars probe, a $2.5 billion, nuclear-powered rover the size of a small car, is at the Florida launch site being prepared for its nine-month journey to the red planet, with one key issue still unresolved ...

Space & Earth / Space Exploration

created Jun 29, 2011 | popularity 5 / 5 (3) | comments 1

Lake-effect theory sinks, but quake timing questions go on

(PhysOrg.com) -- A chronology of 1,000 years of earthquakes at the southern end of the San Andreas Fault nixes the idea that lake changes in the now-dry region caused past quakes. However, researchers say, ...

Space & Earth / Earth Sciences

created Feb 10, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Blue holes a mystery of the deep

On the long list of reasons why few scientists have dared plumb the mysteries of the Bahamas' famed blue holes, the toxic swamp gas actually rates pretty low.

Space & Earth / Earth Sciences

created Oct 01, 2010 | popularity 4.9 / 5 (14) | comments 0

New theory of why midcontinent faults produce earthquakes

A new theory developed at Purdue University may solve the mystery of why the New Madrid fault, which lies in the middle of the continent and not along a tectonic plate boundary, produces large earthquakes such as the ones ...

Space & Earth / Earth Sciences

created Jul 30, 2010 | popularity 4.6 / 5 (14) | comments 1 | with audio podcast

Global glaciation snowballed into giant change in carbon cycle

For insight into what can happen when the Earth's carbon cycle is altered -- a cause and consequence of climate change -- scientists can look to an event that occurred some 720 million years ago.

Space & Earth / Earth Sciences

created May 01, 2010 | popularity 3.8 / 5 (21) | comments 5 | with audio podcast

Time's rising tide may swamp Delta marshes

While marshes in the Sacramento-San Joaquin Delta area are currently keeping pace with rising sea levels, they may not be sustainable under future sea-level increases.

Space & Earth / Earth Sciences

created Mar 16, 2010 | popularity not rated yet | comments 1


List of search results for sediment buildup