News tagged with ice core
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) |
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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
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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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
Marine Scientist Finds 'Little Ice Age' Had Dramatic Effect on Gulf
(PhysOrg.com) -- More than 350 years ago, the temperatures in northern Europe dropped dramatically in an event known as the “Little Ice Age.” Now - deep below the waters of the Gulf of Mexico and buried in ...
Space & Earth / Earth Sciences
Feb 22, 2010 |
4.7 / 5 (23) |
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Ice cores yield rich history of climate change
On Friday, Jan. 28 in Antarctica, a research team investigating the last 100,000 years of Earth's climate history reached an important milestone completing the main ice core to a depth of 3,331 meters (10,928 ...
Space & Earth / Earth Sciences
Feb 02, 2011 |
4.5 / 5 (22) |
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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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Dramatic climate change is unpredictable
The fear that global temperature can change very quickly and cause dramatic climate changes that may have a disastrous impact on many countries and populations is great around the world. But what causes climate ...
Space & Earth / Earth Sciences
Aug 30, 2010 |
3.7 / 5 (22) |
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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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Close relationship between past warming and sea-level rise
Scientists from the National Oceanography Centre, Southampton, along with colleagues from Tuebingen and Bristol have reconstructed sea-level fluctuations over the last 520,000 years. Comparison of this record with data on ...
Space & Earth / Earth Sciences
Jun 22, 2009 |
3.8 / 5 (19) |
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Past regional cold and warm periods linked to natural climate drivers
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 ...
Space & Earth / Earth Sciences
Nov 26, 2009 |
3.8 / 5 (19) |
31
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
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
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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Sea Level Is Rising Along U.S. Atlantic Coast, According to New Data Analysis
(PhysOrg.com) -- An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...
Space & Earth / Earth Sciences
Dec 03, 2009 |
3.7 / 5 (13) |
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