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Space & Earth science / Earth Sciences news 1234

Scientists reveal presence of ocean current 'stripes'

April 25, 2008 | User rating: 4.5 / 5 after 25 vote(s) | User comments: 1

An international collaborative of scientists led by Peter Niiler, a physical oceanographer at Scripps Institution of Oceanography, UC San Diego, and Nikolai Maximenko, a researcher at the International Pacific ...


On shaky ground: UH Prof finds geological faults threaten Houston

April 24, 2008 | User rating: 4.5 / 5 after 12 vote(s) | No comments yet

After finding more than 300 surface faults in Harris County, a University of Houston geologist now has information that could be vitally useful to the region’s builders and city planners.


Earthquake in Illinois could portend an emerging threat

April 24, 2008 | User rating: 4.4 / 5 after 16 vote(s) | User comments: 5

To the surprise of many, the earthquake on April 18, 2008, about 120 miles east of St. Louis, originated in the Wabash Valley Fault and not the better-known and more-dreaded New Madrid Fault in Missouri's ...


Stratospheric injections to counter global warming could damage ozone layer

April 24, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

A much-discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer, new research concludes. The study, led by ...


Ozone hole recovery may reshape southern hemisphere climate change

April 24, 2008 | User rating: 3 / 5 after 19 vote(s) | User comments: 1

A full recovery of the stratospheric ozone hole could modify climate change in the Southern Hemisphere and even amplify Antarctic warming, according to scientists from the University of Colorado at Boulder, ...


Did a Significant Cool Spell Mark the Demise of Megafauna?

April 23, 2008 | User rating: 4.4 / 5 after 15 vote(s) | No comments yet

The end of the Pleistocene Epoch was marked with steadily warmer temperatures and the great ice age glaciers that covered vast areas of North America were in retreat.


Study: Mountains reached current elevation earlier than thought

April 23, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Geologists studying deposits of volcanic glass in the western United States have found that the central Sierra Nevada largely attained its present elevation 12 million years ago, roughly 8 or 9 million years ...


1600 eruption caused global disruption

April 23, 2008 | User rating: 4.3 / 5 after 20 vote(s) | User comments: 2

The 1600 eruption of Huaynaputina in Peru had a global impact on human society, according to a new study of contemporary records by geologists at UC Davis.


Tasman Glacier retreat extreme

April 23, 2008 | User rating: 3.2 / 5 after 6 vote(s) | No comments yet

The Tasman Glacier is retreating faster than ever and will ultimately disappear, glaciologists at Massey University are warning.


Larger Pacific Climate Event Helps Current La Nina Linger

April 22, 2008 | User rating: 4.2 / 5 after 25 vote(s) | No comments yet

Boosted by the influence of a larger climate event in the Pacific, one of the strongest La Niñas in many years is slowly weakening but continues to blanket the Pacific Ocean near the equator, as shown by new ...


An Earth Day Perspective: NASA Satellites Aid in Chesapeake Bay Recovery

April 22, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

From the distant reaches of the universe, to black holes and Saturn’s rings, NASA explores some of the most far-out parts of space. But NASA also does research much closer to home. In fact, NASA Earth Science ...


To a fault: the bottom line on earthquakes

April 22, 2008 | User rating: 3.1 / 5 after 7 vote(s) | User comments: 1

Although many people think that California “owns” all the earthquakes, Ohio also has its share of faults. Unlike another earthquake that woke people on another April 18, 102 years ago, this quake was fairly mild.


Arctic ice more vulnerable to sunny weather, new study shows

April 21, 2008 | User rating: not shown ( 3 vote(s) ) | User comments: 2

The shrinking expanse of Arctic sea ice is increasingly vulnerable to summer sunshine, new research concludes. The study, by scientists at the National Center for Atmospheric Research (NCAR) and Colorado State ...


The Antarctic deep sea gets colder

April 21, 2008 | User rating: 4.7 / 5 after 10 vote(s) | User comments: 3

The Antarctic deep sea gets colder, which might stimulate the circulation of the oceanic water masses. This is the first result of the Polarstern expedition of the Alfred Wegener Institute for Polar and Marine ...


Seismometer image captured from this morning's Midwest earthquake

April 18, 2008 | User rating: 3.8 / 5 after 10 vote(s) | No comments yet

A University of Wisconsin-Madison geology department seismometer in Weeks Hall recorded the tremors of a southern Illinois earthquake that shook many areas of the Midwest this morning.


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