News tagged with ice core
Climate played big role in Vikings' disappearance from Greenland
The end of the Norse settlements on Greenland likely will remain shrouded in mystery. While there is scant written evidence of the colony's demise in the 14th and early 15th centuries, archaeological remains ...
Other Sciences / Archaeology & Fossils
May 30, 2011 |
4.3 / 5 (7) |
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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) |
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Arctic ice at low point compared to recent geologic history
Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.
Space & Earth / Earth Sciences
Jun 02, 2010 |
3.6 / 5 (23) |
8
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Scientists detect huge carbon 'burp' that helped end last ice age
(PhysOrg.com) -- Scientists have found the possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age.
Space & Earth / Earth Sciences
May 27, 2010 |
3.7 / 5 (31) |
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Deepest core drilled from Antarctic Peninsula; may contain glacial stage ice
Researchers here are hopeful that the new core they drilled through an ice field on the Antarctic Peninsula will contain ice dating back into the last ice age. If so, that record should give new insight into ...
Space & Earth / Earth Sciences
Apr 12, 2010 |
4.5 / 5 (6) |
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Kansas scientists probe mysterious possible comet strikes on Earth
It's the stuff of a Hollywood disaster epic: A comet plunges from outer space into the Earth's atmosphere, splitting the sky with a devastating shock wave that flattens forests and shakes the countryside.
Space & Earth / Space Exploration
Dec 14, 2009 |
4.3 / 5 (16) |
8
Absence of evidence for a meteorite impact event 13,000 years ago
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 ...
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.1 / 5 (17) |
13
Mysteriously warm times in Antarctica
(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 ...
Space & Earth / Earth Sciences
Nov 18, 2009 |
4.2 / 5 (26) |
31
Previously Unknown Volcanic Eruption Helped Trigger Cold Decade
(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.3 / 5 (27) |
9
Wind shifts may stir CO2 from Antarctic depths
Natural releases of carbon dioxide from the Southern Ocean due to shifting wind patterns could have amplified global warming at the end of the last ice age--and could be repeated as manmade warming proceeds, ...
Space & Earth / Earth Sciences
Mar 12, 2009 |
4.2 / 5 (70) |
6
New study may answer questions about enigmatic Little Ice Age
A new University of Colorado Boulder-led study appears to answer contentious questions about the onset and cause of Earth's Little Ice Age, a period of cooling temperatures that began after the Middle Ages ...
Space & Earth / Earth Sciences
Jan 30, 2012 |
4.8 / 5 (8) |
9
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Evidence of past Southern hemisphere rainfall cycles related to Antarctic temperatures
Geoscientists at the University of Massachusetts Amherst and the University of Minnesota this week published the first evidence that warm-cold climate oscillations well known in the Northern Hemisphere over ...
Space & Earth / Earth Sciences
Jan 17, 2012 |
5 / 5 (3) |
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Rising CO2 levels at end of Ice Age not tied to Pacific Ocean
At the end of the last Ice Age, atmospheric carbon dioxide levels rose rapidly as the planet warmed; scientists have long hypothesized that the source was CO2 released from the deep ocean.
Space & Earth / Earth Sciences
Oct 03, 2011 |
5 / 5 (6) |
6
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800,000 years of Greenland's abrupt climate variability
An international team of scientists, led by Dr Stephen Barker of Cardiff University, has produced a prediction of what climate records from Greenland might look like over the last 800,000 years.
Space & Earth / Earth Sciences
Sep 08, 2011 |
4.2 / 5 (12) |
19
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Salt marsh sediments help gauge climate-change-induced sea level rise
A newly constructed, 2,000-year history of sea level elevations will help scientists refine the models used to predict climate-change-induced sea level rise, according to an international team of climate researchers. The ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
4.6 / 5 (5) |
6
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