News tagged with american geophysical union

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Wenchuan earthquake mudslides emit greenhouse gas

Space & Earth / Earth Sciences

created Mar 02, 2009 | popularity 2 / 5 (4) | comments 1

Mudslides that followed the 12 May 2008 Wenchuan, China earthquake, ranked by the US Geological Survey as the 11th deadliest earthquake ever recorded, may cause a carbon-dioxide release in upcoming decades equivalent to two ...


Great Lake's sinkholes host exotic ecosystems

Great Lake's sinkholes host exotic ecosystems

Space & Earth / Environment

created Feb 24, 2009 | popularity 5 / 5 (8) | comments 0

Researchers are exploring extreme conditions for life in a place not known for extremes.


Laser Mapping Aids Geologists

Next generation digital maps are laser sharp

Space & Earth / Earth Sciences

created Feb 12, 2009 | popularity 4.3 / 5 (3) | comments 0

Restoring habitat for spawning species of fish, such as Atlantic salmon, starts with a geological inventory of suitable rivers and streams, and the watershed systems that support them. But the high-tech mapping ...





Search results for american geophysical union


Interfering with the Global Positioning System

Space & Earth / Earth Sciences

created Jun 09, 2008 | popularity 3.9 / 5 (10) | comments 0

You can't always trust your GPS gadget. As scientists have long known, perplexing electrical activity in the upper atmospheric zone called the ionosphere can tamper with signals from GPS satellites.


Erosion rates double along portion of Alaska's coast

Space & Earth / Earth Sciences

created Feb 18, 2009 | popularity 3 / 5 (4) | comments 0

Skyrocketing coastal erosion occurred in Alaska between 2002 and 2007 along a 64 kilometer (40 mile) stretch of the Beaufort Sea, a new study finds. The surge of erosion in recent years, averaging more than double historical ...


Novel spots found on Jupiter

Novel spots found on Jupiter

Space & Earth / Space Exploration

created Mar 17, 2008 | popularity 4.4 / 5 (18) | comments 2

Scientists have observed unexpected luminous spots on Jupiter caused by its moon Io. Besides displaying the most spectacular volcanic activity in the solar system, Io causes auroras on its mother planet that ...


Global warming may delay recovery of stratospheric ozone

Space & Earth / Earth Sciences

created Feb 04, 2009 | popularity 2.1 / 5 (16) | comments 9

Increasing greenhouse gases could delay, or even postpone indefinitely the recovery of stratospheric ozone in some regions of the Earth, a new study suggests. This change might take a toll on public health.


European heat waves double in length since 1880

Space & Earth / Earth Sciences

created Aug 03, 2007 | popularity 4.1 / 5 (13) | comments 0

The most accurate measures of European daily temperatures ever indicate that the length of heat waves on the continent has doubled and the frequency of extremely hot days has nearly tripled in the past century. The new data ...


Northern lights glimmer with unexpected trait

Space & Earth / Earth Sciences

created Apr 25, 2008 | popularity 4.4 / 5 (13) | comments 2

An international team of scientists has detected that some of the glow of Earth’s aurora is polarized, an unexpected state for such emissions. Measurements of this newfound polarization in the Northern Lights may provide ...


Commercial ships spew half as much particulate pollution as world's cars

Space & Earth / Environment

created Feb 26, 2009 | popularity 1 / 5 (1) | comments 0

Globally, commercial ships emit almost half as much particulate pollution into the air as the total amount released by cars, according to a new study. Ship pollutants affect both the Earth's climate and the health of people ...


Moon and Earth

Discovered after 40 years: Moon dust hazard influenced by Sun's elevation

Space & Earth / Earth Sciences

created Apr 17, 2009 | popularity 4 / 5 (6) | comments 5

In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces ...


Study compares sound from exploding volcanoes with jet engines

Study compares sound from exploding volcanoes with jet engines

Space & Earth / Earth Sciences

created Apr 08, 2009 | popularity 3.8 / 5 (5) | comments 0

New research on infrasound from volcanic eruptions shows an unexpected connection with jet engines. Researchers at Scripps Institution of Oceanography at UC San Diego speeded up the recorded sounds from two ...


NASA Study Links Severe Storm Increases, Global Warming

NASA Study Links Severe Storm Increases, Global Warming

Space & Earth / Earth Sciences

created Dec 19, 2008 | popularity 2.3 / 5 (12) | comments 5

(PhysOrg.com) -- The frequency of extremely high clouds in Earth's tropics -- the type associated with severe storms and rainfall -- is increasing as a result of global warming, according to a study by scientists ...



List of search results for american geophysical union