Earth Sciences news
Yellowstone's plumbing exposed
Space & Earth / Earth Sciences
Dec 14, 2009 |
4.8 / 5 (45) |
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(PhysOrg.com) -- The most detailed seismic images yet published of the plumbing that feeds the Yellowstone supervolcano shows a plume of hot and molten rock rising at an angle from the northwest at a depth ...
Antarctic ice loss vaster, faster than thought: study
Space & Earth / Earth Sciences
Nov 22, 2009 |
3.8 / 5 (52) |
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The East Antarctic icesheet, once seen as largely unaffected by global warming, has lost billions of tonnes of ice since 2006 and could boost sea levels in the future, according to a new study.
Study: Earth more sensitive to carbon dioxide than previously thought
Space & Earth / Earth Sciences
Dec 06, 2009 |
3.1 / 5 (51) |
91
In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study published in Nature Geoscience this week.
Earth's atmosphere came from outer space, find scientists
Space & Earth / Earth Sciences
Dec 10, 2009 |
4.2 / 5 (29) |
12
(PhysOrg.com) -- The gases which formed the Earth's atmosphere - and probably its oceans - did not come from inside the Earth but from outer space, according to a study by University of Manchester and University ...
Study: Earth's polar ice sheets vulnerable to even moderate global warming
Space & Earth / Earth Sciences
Dec 16, 2009 |
2.8 / 5 (40) |
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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 ...
Mediterranean Sea filled in less than two years: study
Space & Earth / Earth Sciences
Dec 09, 2009 |
4.7 / 5 (23) |
2
The Mediterranean Sea was mostly filled in less than two years in a dramatic flood around 5.33 million years ago in which water poured in from the Atlantic, according to a study published Wednesday.
Computer simulation strengthens link between climate change and release of subsea methane
Space & Earth / Earth Sciences
Dec 17, 2009 |
4.3 / 5 (22) |
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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 ...
'Super-river' formed the English Channel
Space & Earth / Earth Sciences
Dec 02, 2009 |
4.4 / 5 (18) |
0
(PhysOrg.com) -- A team of Anglo-French scientists studying sedimentary deposits in the Bay of Biscay have concluded that Britain and France were separated by a "super-river" during three periods of glaciations, ...
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (17) |
3
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, ...
Past regional cold and warm periods linked to natural climate drivers
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.8 / 5 (19) |
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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 ...
Absence of evidence for a meteorite impact event 13,000 years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.1 / 5 (17) |
13
An international team of scientists led by researchers at the University of Hawaii at Manoa have found no evidence supporting an extraterrestrial impact event at the onset of the Younger Dryas ~13000 years ...
Oceans' Uptake of Manmade Carbon May Be Slowing
Space & Earth / Earth Sciences
Dec 09, 2009 |
3.5 / 5 (20) |
10
(PhysOrg.com) -- 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 ...
Big freeze plunged Europe into ice age in months
Space & Earth / Earth Sciences
Nov 30, 2009 |
4 / 5 (17) |
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In the film, 'The Day After Tomorrow' the world enters the icy grip of a new glacial period within the space of just a few weeks. Now new research shows that this scenario may not be so far from the truth after all.
Giant iceberg spotted south of Australia
Space & Earth / Earth Sciences
Dec 09, 2009 |
4.1 / 5 (16) |
23
A monster iceberg nearly twice the size of Hong Kong island has been spotted drifting towards Australia in what scientists Wednesday called a once-in-a-century event.
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
15 hours ago |
2.6 / 5 (24) |
21
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse gases.
