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Space & Earth science / Earth Sciences news 1234

Balloons 'bombard' North Alabama landfill to collect data, improve tornado warnings

May 06, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

Three hot-air balloons dropped asphalt shingles, lumber, sticks, leaves and pine needles onto the Morgan County Landfill near here on Sunday so scientists at The University of Alabama in Huntsville could gather data needed ...


Climate link with killer cyclones spurs fierce scientific debate

May 06, 2008 | User rating: 3.2 / 5 after 13 vote(s) | User comments: 3

Climate scientists have begun to debate whether global warming is producing more powerful storms, after Nargis smashed into Myanmar -- brutally changing gear from a Category One to a Category Four cyclone ...


Unmanned aircraft to study Southern California smog and its consequences

May 06, 2008 | User rating: 4 / 5 after 5 vote(s) | No comments yet

Using sophisticated unmanned aircraft, research scientists at Scripps Institution of Oceanography, UC San Diego hope to assess Southern California’s potential for climate change and better understand the sources ...


Innovative technology provides insight into what’s below the Earth’s surface

May 05, 2008 | User rating: 4.6 / 5 after 15 vote(s) | No comments yet

From oil fields and meteorite impact craters, to potential tsunami triggering submarine landslides, innovative new technology which provides images from below the Earth’s surface has been unveiled.


65-million-year-old asteroid impact triggered a global hail of carbon beads

May 05, 2008 | User rating: 4.5 / 5 after 40 vote(s) | User comments: 4

The asteroid presumed to have wiped out the dinosaurs struck the Earth with such force that carbon deep in the Earth's crust liquefied, rocketed skyward, and formed tiny airborne beads that blanketed the planet, ...


Major Arctic sea ice melt is expected this summer

May 02, 2008 | User rating: 3.5 / 5 after 24 vote(s) | User comments: 8

(AP) -- The Arctic will remain on thinning ice, and climate warming is expected to begin affecting the Antarctic also, scientists said Friday. "The long-term prognosis is not very optimistic," atmospheric scientist Jennifer ...


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 ...


Solar games at Paranal

May 02, 2008 | User rating: 4.7 / 5 after 9 vote(s) | No comments yet

Cerro Paranal, home of ESO's Very Large Telescope, is certainly one of the best astronomical sites on the planet. Stunning images, obtained by ESO staff at Paranal, of the green and blue flashes, as well as ...


'Dynamic duo' develops framework for Earth's inaccessible interior

May 01, 2008 | User rating: 4.5 / 5 after 15 vote(s) | User comments: 2

A new model of inner Earth constructed by Arizona State University researchers pulls past information and hypotheses into a coherent story to clarify mantle motion.


Oxygen depletion: A new form of ocean habitat loss

May 01, 2008 | User rating: 3.8 / 5 after 12 vote(s) | No comments yet

An international team of physical oceanographers including a researcher from Scripps Institution of Oceanography at UC San Diego has discovered that oxygen-poor regions of tropical oceans are expanding as ...


Geochemists challenge key theory regarding Earth's formation

May 01, 2008 | User rating: 4.3 / 5 after 33 vote(s) | User comments: 3

Working with colleagues from NASA, a Florida State University researcher has published a paper that calls into question three decades of conventional wisdom regarding some of the physical processes that helped ...


'4-D' ionosphere map helps flyers, soldiers, ham radio operators

April 30, 2008 | User rating: 4.6 / 5 after 9 vote(s) | No comments yet

Today, at the Space Weather Workshop in Boulder, Colo., NASA-funded researchers released to the general public a new “4D” live model of Earth’s ionosphere. Without leaving home, anyone can fly through the ...


Climate modelers see modern echo in '30s Dust Bowl

April 30, 2008 | User rating: 3.8 / 5 after 19 vote(s) | User comments: 1

Climate scientists using computer models to simulate the 1930s Dust Bowl on the U.S Great Plains have found that dust raised by farmers probably amplified and spread a natural drop in rainfall, turning an ...


Scientists discover new ocean current

April 30, 2008 | User rating: 4 / 5 after 23 vote(s) | User comments: 3

Scientists at the Georgia Institute of Technology have discovered a new climate pattern called the North Pacific Gyre Oscillation. This new pattern explains, for the first time, changes in the water that are ...


Rocks under the northern ocean are found to resemble ones far south

April 30, 2008 | User rating: 4.3 / 5 after 12 vote(s) | User comments: 1

Scientists probing volcanic rocks from deep under the frozen surface of the Arctic Ocean have discovered a special geochemical signature until now found only in the southern hemisphere. The rocks were dredged ...


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