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Space & Earth science / Earth Sciences news 1234

Series of quakes takes toll on rattled residents of Reno

April 28, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 1

(AP) -- Dozens of minor earthquakes shook Reno on Sunday as a series of temblors entered its third month and prompted some frazzled residents to leave their homes.


Changing jet streams may alter paths of storms and hurricanes

April 16, 2008 | User rating: 3.8 / 5 after 29 vote(s) | No comments yet

The Earth’s jet streams, the high-altitude bands of fast winds that strongly influence the paths of storms and other weather systems, are shifting—possibly in response to global warming. Scientists at the Carnegie Institution ...


Methane sources over the last 30,000 years

April 16, 2008 | User rating: 3.9 / 5 after 16 vote(s) | User comments: 1

Ice cores are essential for climate research, because they represent the only archive which allows direct measurements of atmospheric composition and greenhouse gas concentrations in the past. Using novel ...


Seeing clearly despite the clouds

April 18, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 2

Satellites taking atmospheric measurements might now be able to see blue skies as clearly as optimists do. Researchers have found a way to reduce cloud-induced glare when satellites measure blue skies on cloudy ...


New study validates hurricane prediction

April 17, 2008 | User rating: 2.8 / 5 after 6 vote(s) | User comments: 1

Hurricanes in some areas, including the North Atlantic, are likely to become more intense as a result of global warming even though the number of such storms worldwide may decline, according to a new study by MIT researchers.


Geologists Discover New Way of Estimating Size and Frequency of Meteorite Impacts

April 12, 2008 | User rating: 4.3 / 5 after 38 vote(s) | User comments: 1

Scientists have developed a new way of determining the size and frequency of meteorites that have collided with Earth.


Historic Soviet nuclear test site offers insights for today's nuclear monitoring

April 17, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

Newly published data from the Semipalatinsk Nuclear Test Site, the Soviet Union’s primary nuclear weapons testing ground during the Cold War, can help today’s atomic detectives fine-tune their monitoring of nuclear explosions ...


'Revolutionary' CO2 maps zoom in on greenhouse gas sources

April 07, 2008 | User rating: 4 / 5 after 44 vote(s) | User comments: 8

A new, high- resolution, interactive map of U.S. carbon dioxide emissions from fossil fuels has found that the emissions aren't all where we thought.


Tiny tremors can track extreme storms in a warming planet

April 17, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

Data from faint earth tremors caused by wind-driven ocean waves—often dismissed as “background noise” at seismographic stations around the world—suggest extreme ocean storms have become more frequent over the past three decades, ...


Updated version of GAIM model goes operational

May 02, 2008 | User rating: not rated yet | No comments yet

An updated version of the Global Assimilation of Ionospheric Measurements (GAIM) model went operational at the Air Force Weather Agency (AFWA) on February 22, 2008. The operational GAIM program has been under development ...


Journey to the center of the earth: Discovery sheds light on mantle formation

April 11, 2008 | User rating: 4.3 / 5 after 50 vote(s) | User comments: 3

Uncovering a rare, two-billion-year-old window into the Earth’s mantle, a University of Houston professor and his team have found our planet’s geological history is more complex than previously thought.


New hazard estimates could downplay quake dangers

April 16, 2008 | User rating: not shown ( 3 vote(s) ) | User comments: 1

The dangers posed by a major earthquake in the New Madrid and Charleston, South Carolina zones in the Midwestern and Southern parts of the United States may be noticeably lower than current estimates if seismologists adjust ...


Regional nuclear conflict would create near-global ozone hole, says CU-Boulder study

April 07, 2008 | User rating: 3.7 / 5 after 31 vote(s) | User comments: 9

A limited nuclear weapons exchange between Pakistan and India using their current arsenals could create a near-global ozone hole, triggering human health problems and wreaking environmental havoc for at least ...


Absence of clouds caused pre-human supergreenhouse periods

April 10, 2008 | User rating: 4 / 5 after 24 vote(s) | User comments: 3

In a world without human-produced pollution, biological productivity controls cloud formation and may be the lever that caused supergreenhouse episodes during the Cetaceous and Eocene, according to Penn State paleoclimatologists.


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.


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