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Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
The volcano ejected an estimated 800 cubic kilometers of ash into the atmosphere, leaving a crater (now the world's largest volcanic lake) that is 100 kilometers long and 35 kilometers wide. Ash ...
Earth Sciences |
Read moreAquatic Creatures Mix Ocean Water
More than 60 years ago, oceanographers predicted that the effect of swimming animals could be profound. Accounting for this effort has proven difficult, though, so it has not entered into today's...
Physics and Astronomy | Read moreMysteriously warm times in Antarctica
The findings, reported this week by scientists from the British Antarctic Survey (BAS), the Open University and University of Bristol in the journal Nature could help us understand more about rapid An...
Earth Sciences | Read moreSMOS satellite instrument comes alive
"Following the switch-on, MIRAS is working beautifully well with all key subsystems, including all of the receivers, the optical fibres and the correlator unit, in perfect functioning condition,&...
Information Technology | Read moreNASA's QuikScat and Aqua providing important data on Tropical Storm Anja
NASA's QuikScat satellite uses microwave technology to peer through a tropical cyclone's clouds, and actually read the speed of the rotating surface winds. In an overpass from space at 7:58 ...
Earth Sciences | Read moreGlobal Temperature Report -- October 2009
The only October in the past 31 that was warmer in the tropics than last month was October 1987, when the average temperature in the tropics was 0.53 C (about 0.95 degrees Fahrenheit) warmer than seas...
Earth Sciences | Read moreSea stars bulk up to beat the heat
"Sea stars were assumed to be at the mercy of the sun during low tide," said the study's lead author, Sylvain Pincebourde of François Rabelais University in Tours, France. "This wo...
Studies and Analyses | Read moreOceans' uptake of manmade carbon may be slowing
The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the ...
Earth Sciences | Read moreWhy Huge Bands of Iron Formed Billions of Years Ago on Earth’s Surface
Because these deposits carry information about early Earth’s surface conditions and climate changes, as well as provide much of modern industry’s iron resources, interested researchers have cast a wid...
Earth Sciences | Read moreOptical properties of the Antarctic system and new radiation information
During the summer of 1997-1998, measurements of beam absorption and beam attenuation coefficients, and downwelling and upwelling irradiance were made in the Southern Ocean along a S-N transect at 6 de...
Earth Sciences | Read moreWarmer Means Windier on World’s Biggest Lake
Since 1985, surface water temperatures measured by lake buoys have climbed 1.2 degrees per decade, about 15 percent faster than the air above the lake and twice as fast as warming over nearby land....
Earth Sciences | Read morePolar aircraft Polar 5 starts Antarctic season
Polar 5 will be used in three research programmes in the season 2009/10 and it will logistically support the established Antarctic flight network DROMLAN (Dronning Maud Land Air Network) as well as va...
Earth Sciences | Read moreRecord High Temperatures Far Outpace Record Lows Across U.S.
"Climate change is making itself felt in terms of day-to-day weather in the United States," says NCAR scientist Gerald Meehl, the lead author. "The ways these records are being broken s...
Earth Sciences | Read moreEarly life on Earth may have developed more quickly than thought
Mike Tice, a researcher in the Department of Geology and Geophysics at Texas A&M, says the findings could change current ideas about the earliest forms of life on Earth. The team includes scientists f...
Earth Sciences | Read moreDaily record high temperatures occurred twice as often as record lows over past decade
The ratio of record highs to lows is likely to increase dramatically in coming decades if emissions of greenhouse gases continue to climb."Climate change is making itself felt in terms of...
Earth Sciences | Read more
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