Earth Sciences news
Mysteriously warm times in Antarctica
Space & Earth / Earth Sciences
Nov 18, 2009 |
4.2 / 5 (21) |
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(PhysOrg.com) -- A new study of Antarctica's past climate reveals that temperatures during the warm periods between ice ages (interglacials) may have been higher than previously thought. The latest analysis ...
Oceans' uptake of manmade carbon may be slowing
Space & Earth / Earth Sciences
Nov 18, 2009 |
3.8 / 5 (22) |
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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 industrial ...
Volatile gas could turn Rwandan lake into a freshwater time bomb
Space & Earth / Earth Sciences
Nov 16, 2009 |
4.6 / 5 (10) |
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A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake system bordering Rwanda and the Republic of Congo.
El Nino Could Play A Role In Colorado's Winter Weather, Scientist Says
Space & Earth / Earth Sciences
Nov 17, 2009 |
2 / 5 (1) |
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(PhysOrg.com) -- El Nino, a warming event of the tropical Pacific Ocean that affects weather patterns in the United States and elsewhere, has strengthened in recent months and already appears to have influenced Colorado's ...
After mastodons and mammoths, a transformed landscape
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...
El Nino intensifies Latin America drought
Space & Earth / Earth Sciences
Nov 20, 2009 |
5 / 5 (2) |
0
From a devastating food crisis in Guatemala to water cuts in Venezuela, El Nino has compounded drought damage across Latin America this year.
Rich Ore Deposits Linked to Ancient Atmosphere
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
Paleontologists find extinction rates higher in open-ocean settings during mass extinctions
Space & Earth / Earth Sciences
Nov 19, 2009 |
5 / 5 (1) |
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Arnie Miller, University of Cincinnati professor of paleontology in the McMicken College of Arts & Sciences, and co-author Michael Foote of the University of Chicago publish their research in the Nov. 20 issue ...
New Method to Measure Snow, Soil Moisture With GPS May Benefit Meteorologists, Farmers
Space & Earth / Earth Sciences
Nov 20, 2009 |
not rated yet |
1
(PhysOrg.com) -- A research team led by the University of Colorado at Boulder has found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected ...
International expedition investigates climate change, alternative fuels in Arctic
Space & Earth / Earth Sciences
Nov 20, 2009 |
3 / 5 (1) |
0
Scientists from the Marine Biogeochemistry and Geology and Geophysics sections of the Naval Research Laboratory (NRL) organized and led a team of university and government scientists on an Arctic expedition ...
Ancient high-altitude trees grow faster as temperatures rise
Space & Earth / Earth Sciences
Nov 16, 2009 |
4.2 / 5 (11) |
0
PIC=32536:left]Increasing temperatures at high altitudes are fueling the post-1950 growth spurt seen in bristlecone pines, the world's oldest trees, according to new research.
Warmer means windier on world's biggest lake
Space & Earth / Earth Sciences
Nov 15, 2009 |
3.8 / 5 (6) |
0
Rising water temperatures are kicking up more powerful winds on Lake Superior, with consequences for currents, biological cycles, pollution and more on the world's largest lake and its smaller brethren.
Cyclone Anja hits wind shear, weakens drastically
Space & Earth / Earth Sciences
Nov 17, 2009 |
not rated yet |
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This morning, Cyclone Anja was a powerful Category 4 cyclone on the Saffir-Simpson scale. Wind shear has now giving Anja a strong "punch in the gut" as the storm has weakened to a Category 1 cyclone.
TRMM satellite mapped 'Ida the Low's' rainfall from space (w/ Video)
Space & Earth / Earth Sciences
Nov 16, 2009 |
not rated yet |
0
The Tropical Rainfall Measuring Mission satellite known as "TRMM" has the ability to measure rainfall from space, and assessed the heavy rainfall from last week's coastal low pressure area, formerly known ...
Taiwan to boost quake warning system
Space & Earth / Earth Sciences
Nov 15, 2009 |
not rated yet |
0
Taiwan plans to build its first undersea seismic station, designed to improve the island's early warning system and save valuable seconds when earthquakes strike, officials said.
