Earth Sciences news
Oceanographers image the discovery of the deepest explosive eruption on the sea floor (w/ Video)
Space & Earth / Earth Sciences
Dec 17, 2009 |
4.9 / 5 (9) |
1
Oceanographers using the remotely operated vehicle (ROV) Jason discovered and recorded the first video and still images of a deep-sea volcano actively erupting molten lava on the seafloor.
Computer simulation strengthens link between climate change and release of subsea methane
Space & Earth / Earth Sciences
Dec 17, 2009 |
4.2 / 5 (24) |
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(PhysOrg.com) -- A first-of-its-kind computer simulation that mirrors real-world observations of methane bubbling up from a seabed in the Arctic Ocean provides further evidence that warming oceans may unleash ...
Pre-eruption earthquakes offer clues to volcano forecasters
Space & Earth / Earth Sciences
Dec 16, 2009 |
4.7 / 5 (3) |
1
Like an angry dog, a volcano growls before it bites, shaking the ground and getting "noisy" before erupting. This activity gives scientists an opportunity to study the tumult beneath a volcano and may help ...
Fault weaknesses, the center cannot hold for some geologic faults
Space & Earth / Earth Sciences
Dec 16, 2009 |
5 / 5 (4) |
0
Some geologic faults that appear strong and stable, slip and slide like weak faults. Now an international team of researchers has laboratory evidence showing why some faults that "should not" slip are weaker ...
Study: Earth's polar ice sheets vulnerable to even moderate global warming
Space & Earth / Earth Sciences
Dec 16, 2009 |
2.8 / 5 (46) |
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A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approa ...
Pollution alters isolated thunderstorms
Space & Earth / Earth Sciences
Dec 15, 2009 |
3.2 / 5 (5) |
10
New climate research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. Under strong wind shear ...
Tremors between slip events: More evidence of great quake danger to Seattle
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.4 / 5 (8) |
0
(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...
From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.3 / 5 (8) |
1
The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.
Hypoxia increases as climate warms
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.3 / 5 (6) |
3
A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...
Going vertical: Fleeing tsunamis by moving up, not out
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.8 / 5 (4) |
0
(PhysOrg.com) -- In the minutes after a strong earthquake struck offshore of the Indonesian city of Padang on Sept. 30, fears of a tsunami prompted hundreds of thousands of residents to evacuate the coastal ...
'Monster' iceberg shedding hundreds of offshoots
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.6 / 5 (9) |
2
An island-sized iceberg is breaking up as it drifts closer to Australia, producing hundreds of smaller slabs spread over a massive area of ocean, experts said Monday.
New Technology Allows Geophysicist To Test Theory About Formation of Hawaii (w/ Podcast)
Space & Earth / Earth Sciences
Dec 11, 2009 |
4.3 / 5 (4) |
1
(PhysOrg.com) -- If you've ever been to Hawaii, you probably spent your time enjoying the scenery of the beautiful islands, rather than wondering how they got to be there in the first place. But that's just what scientists ...
Governments turn to cloud seeding to fight drought
Space & Earth / Earth Sciences
Dec 10, 2009 |
2.3 / 5 (3) |
2
(AP) -- On a mountaintop clearing in the Sierra Nevada stands a tall metal platform holding a crude furnace and a box of silver iodide solution that some scientists believe could help offer relief from searing ...
New approach to emissions makes climate and air quality models more accurate, major study finds
Space & Earth / Earth Sciences
Dec 10, 2009 |
3.9 / 5 (7) |
1
It's no secret that the emissions leaving a car tailpipe or factory smokestack affect climate and air quality. Even trees release chemicals that influence the atmosphere. But until now, scientists have struggled to know where ...
A novel, 10,000-year study of strata compaction and sea-level rise on English coast
Space & Earth / Earth Sciences
Dec 10, 2009 |
4.5 / 5 (2) |
1
Environmental scientists at the University of Pennsylvania and Durham University have employed a novel combination of geological and model reconstructions of wetland environments during a 10,000-year period ...
