A new study at the UA's Laboratory of Tree-Ring Research has revealed a previously unknown multi-decade drought period in the second century A.D. The findings give evidence that extended periods of aridity have occurred at ...
Earth Sciences
Nov 4, 2011
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(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for short.
Earth Sciences
May 28, 2009
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(Phys.org)—Princeton geoscientists Christopher Harig and Frederik Simons have been applying new methods to study the amount of ice melt in the Greenland ice sheet. They report in a paper published in the Proceedings of ...
Workplace injuries don't just come from lifting heavy things or falling off a ladder. People with desk jobs can develop debilitating hand and wrist problems that make it difficult to work, and poorly designed software could ...
Software
May 30, 2017
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13
(PhysOrg.com) -- Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE), the oxygen spike marks ...
Earth Sciences
Oct 29, 2009
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A Monash geoscientist and a team of international researchers have discovered the existence of an ocean floor was destroyed 50 to 20 million years ago, proving that New Caledonia and New Zealand are geographically connected.
Earth Sciences
Mar 5, 2009
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(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, the region ...
Earth Sciences
Feb 25, 2009
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Carbon capture and storage has been heralded as a new technology for reducing greenhouse gas emissions. In an effort to help slow climate change, human-produced carbon dioxide (CO2) is captured at point-source emitters like ...
Environment
Jul 8, 2013
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Analyses of the longest continental sediment core ever collected in the Arctic, recently completed by an international team led by Julie Brigham-Grette of the University of Massachusetts Amherst, provide "absolutely new knowledge" ...
Earth Sciences
May 9, 2013
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Something's up with the weather in Namibia, say geoscientists Kyle Nichols of Skidmore College in Saratoga Springs, N.Y., and Paul Bierman of the University of Vermont in Burlington, Vt.
Environment
Sep 14, 2011
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