News tagged with earth climate
Researchers say habitat loss and tropical cooling were to blame for mass extinction
(Phys.org) -- The second-largest mass extinction in Earth's history coincided with a short but intense ice age during which enormous glaciers grew and sea levels dropped. Although it has long been agreed that ...
Space & Earth / Earth Sciences
Apr 10, 2012 |
4.8 / 5 (4) |
14
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Methane may be answer to 56-million-year question
(PhysOrg.com) -- The release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago has been linked to the greatest change in global climate since a dinosaur-killing ...
Space & Earth / Earth Sciences
Nov 09, 2011 |
4.9 / 5 (21) |
18
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Taking the temperature of the ancient earth
(PhysOrg.com) -- A new technique has allowed scientists to pin down the timing of ancient glaciations, linking them more firmly to two bursts of extinction.
Space & Earth / Earth Sciences
Mar 08, 2011 |
4.5 / 5 (10) |
0
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Antarctic sea temperatures cooled in Holocene but now rising: study
(PhysOrg.com) -- A new study of an ocean sediment core taken from deep water off the coast of the western Antarctic Peninsula is beginning to fill in some of the gaps in our knowledge of climate variability ...
Space & Earth / Earth Sciences
Feb 10, 2011 |
4.2 / 5 (18) |
20
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Geobiologists uncover links between ancient climate change and mass extinction
About 450 million years ago, Earth suffered the second-largest mass extinction in its history—the Late Ordovician mass extinction, during which more than 75 percent of marine species died. Exactly what ...
Space & Earth / Earth Sciences
Jan 27, 2011 |
4.2 / 5 (19) |
19
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Venus holds warning for Earth
(PhysOrg.com) -- A mysterious high-altitude layer of sulphur dioxide discovered by ESA's Venus Express has been explained. As well as telling us more about Venus, it could be a warning against injecting our ...
Space & Earth / Space Exploration
Nov 30, 2010 |
4.5 / 5 (24) |
15
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Regulating Earth's climate with micro-organisms
Scientists have sought to learn more about how the Earth's oceans absorb carbon dioxide and generally exchange gases with the atmosphere so they can better understand the corresponding effects on climate. ...
Nov 02, 2010 |
4.2 / 5 (6) |
0
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Study sheds new light on how the Sun affects the Earth's climate
The Sun's activity has recently affected the Earth's atmosphere and climate in unexpected ways, according to a new study published today in the journal Nature. The study, by researchers from Imperial Colleg ...
Space & Earth / Earth Sciences
Oct 06, 2010 |
4 / 5 (36) |
52
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Comet cause for climate change theory dealt blow by fungus
(PhysOrg.com) -- A team of scientists - led by Professor Andrew C Scott of the Department of Earth Sciences at Royal Holloway, University of London - have revealed that neither comet nor catastrophe were the ...
Space & Earth / Earth Sciences
Jun 17, 2010 |
4.7 / 5 (14) |
2
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Early Earth haze likely provided ultraviolet shield for planet
A new study shows a thick organic haze that enshrouded early Earth several billion years ago may have been similar to the haze now hovering above Saturn's largest moon, Titan, and would have protected primordial ...
Space & Earth / Earth Sciences
Jun 03, 2010 |
4.5 / 5 (6) |
4
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Global glaciation snowballed into giant change in carbon cycle
For insight into what can happen when the Earth's carbon cycle is altered -- a cause and consequence of climate change -- scientists can look to an event that occurred some 720 million years ago.
Space & Earth / Earth Sciences
May 01, 2010 |
3.8 / 5 (21) |
5
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Fire influences global warming more than previously thought
Fire's potent and pervasive effects on ecosystems and on many Earth processes, including climate change, have been underestimated, according to a new report.
Apr 23, 2009 |
4.3 / 5 (12) |
1
Black carbon, tropospheric ozone most likely driving Earth's tropical belt expansion
Black carbon aerosols and tropospheric ozone, both manmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further polew ...
Space & Earth / Earth Sciences
May 16, 2012 |
5 / 5 (5) |
7
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Statistical analysis projects future temperatures in North America
For the first time, researchers have been able to combine different climate models using spatial statistics - to project future seasonal temperature changes in regions across North America.
Space & Earth / Earth Sciences
May 15, 2012 |
3.5 / 5 (21) |
50
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Researchers use stalagmites to study past climate change
There is an old trick for remembering the difference between stalactites and stalagmites in a cave: Stalactites hold tight to the ceiling while stalagmites might one day grow to reach the ceiling. Now, it ...
Space & Earth / Earth Sciences
May 03, 2012 |
5 / 5 (2) |
1
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