Earth Sciences news
New radar helps monitor site of century-old tragedy
Space & Earth / Earth Sciences
Nov 27, 2009 |
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(PhysOrg.com) -- A University of Alberta researcher has turned the site of a southern Alberta rockslide tragedy into the proving ground for new equipment meant to avert such a disaster in the future.
Past regional cold and warm periods linked to natural climate drivers
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.9 / 5 (16) |
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Intervals of regional warmth and cold in the past are linked to the El Niño phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...
Aqua satellite sees Tropical Storm Bongani approaching Mozambique Channel
Space & Earth / Earth Sciences
Nov 25, 2009 |
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NASA's Aqua satellite flew over Cyclone Bongani today and provided some important data that have helped forecasters figure out where the storm is headed, and helped them see that it has changed course.
NASA's Aqua satellite sees Nida explode into a category 5 Super typhoon
Space & Earth / Earth Sciences
Nov 25, 2009 |
4 / 5 (3) |
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Typhoon Nida is in a favorable environment that has enabled it to intensify faster and stronger than previously forecast, and has now exploded into a Super typhoon. NASA's Aqua satellite passed over Nida and ...
Oceanic crust formation is dynamic after all
Space & Earth / Earth Sciences
Nov 25, 2009 |
4.7 / 5 (7) |
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Imagine the Earth's crust as the planet's skin: Some areas are old and wrinkled while others have a fresher, more youthful sheen, as if they had been regularly lathered with lotion.
Ships warned about icebergs headed for New Zealand
Space & Earth / Earth Sciences
Nov 25, 2009 |
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(AP) -- Ships are on alert and maritime authorities are monitoring the movements of hundreds of menacing icebergs drifting toward New Zealand in the southern Pacific Ocean, officials said.
Small faults in Southeast Spain reduce earthquake risk of larger ones
Space & Earth / Earth Sciences
Nov 25, 2009 |
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A team of Spanish scientists, studying recent, active deformations in the Baetic mountain range, have shown that the activity of smaller tectonic structures close to larger faults in the south east of the ...
Icebergs head from Antarctica for New Zealand
Space & Earth / Earth Sciences
Nov 24, 2009 |
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(AP) -- Ships in the south Pacific Ocean have been alerted that hundreds of icebergs believed to have split off Antarctic ice shelves are drifting north toward New Zealand, officials said Tuesday.
LSU gets to the bottom of things -- in Antarctica
Space & Earth / Earth Sciences
Nov 24, 2009 |
4.3 / 5 (3) |
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Antarctica has long held secrets of the earth's history locked in its icy depths, and until recently, there has been very little information on the environments that have been sealed beneath miles of ice for millions of years. ...
Oceans absorbing carbon dioxide more slowly, scientist finds
Space & Earth / Earth Sciences
Nov 24, 2009 |
3 / 5 (4) |
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The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity, ...
Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers
Space & Earth / Earth Sciences
Nov 24, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers ...
From Greenhouse to Icehouse
Space & Earth / Earth Sciences
Nov 24, 2009 |
4.7 / 5 (11) |
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A new study that reconstructed ocean temperatures from millions of years ago could provide new insight into how the Earth responds to climate change.
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (17) |
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A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...
Using new technique, scientists find 11 times more aftershocks for 2004 quake
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Using a technique normally used for detecting weak tremor, scientists at the Georgia Institute of Technology discovered that the 2004 magnitude 6 earthquake along the Parkfield section of the San Andreas ...
Intensive land management leaves Europe without carbon sinks
Space & Earth / Earth Sciences
Nov 23, 2009 |
3.5 / 5 (8) |
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A new calculation of Europe's greenhouse gas balance shows that emissions of methane and nitrous oxide tip the balance and eliminate Europe's terrestrial sink of greenhouse gases.
