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News About Ice Ages
July 29, 2015
A cataclysmic event of a certain age
Santa Barbara CA (SPX) Jul 29, 2015
At the end of the Pleistocene period, some 13,000 years ago a cosmic impact triggered an abrupt cooling episode that earth scientists refer to as the Younger Dryas. New research by UC Santa Barbara geologist James Kennett and an international group of investigators has narrowed the date to a 100-year range, sometime between 12,835 and 12,735 years ago. The team's findings appear in the Proceedings of the National Academy of Sciences. The researchers used Bayesian statistical analyses of 354 dates ... read more

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The volume of Arctic sea ice increased by a third after the summer of 2013 as the unusually cool air temperatures prevented the ice from melting, according to UCL and University of Leeds scientists. ... more
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New Ice Age may begin by 2030
The arrival of intense cold similar to the one raged during the "Little Ice Age", which froze the world during the XVII century and in the beginning of the XVIII century, is expected in the years 20 ... more
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Arctic nations bar commercial fishing around North Pole
Nations with territory in the Arctic on Thursday agreed to ban unregulated fishing in the rapidly melting international waters around the North Pole, amid fears they could be targeted by commercial operators in future. ... more
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Study predicting 'mini ice age' is being second-guessed
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Study finds high geothermal heating beneath West Antarctic Ice Sheet
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Strong geothermal heating measured beneath West Antarctic Ice Sheet
A surprisingly high amount of geothermal heating has been measured underneath the West Antarctic Ice Sheet by researchers at the University of California, Santa Cruz. ... more
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Soil water and microbes' respiration contribute to fluctuations of carbon dioxide in the world's coldest desert, where climate change is expected to increase underground moisture and microorganisms, ... more
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Retreating sea ice linked to changes in ocean circulation
Retreating sea ice in the Iceland and Greenland Seas may be changing the circulation of warm and cold water in the Atlantic Ocean, and could ultimately impact the climate in Europe, says a new study ... more
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Backward-moving glacier helps scientists explain glacial earthquakes
The relentless flow of a glacier may seem unstoppable, but a team of UK and US researchers have shown that during some calving events - when an iceberg breaks off into the ocean - the glacier moves ... more
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Sudden shift in 'forcing' led to demise of Laurentide ice sheet
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First species of yeti crab found in Antarctica
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Alaska glaciers make large contributions to global sea level rise
Alaska's melting glaciers are adding enough water to the Earth's oceans to cover the state of Alaska with a 1-foot thick layer of water every seven years, a new study shows. The study found that cli ... more
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Arctic Ocean rapidly becoming more corrosive to marine species
New research by NOAA, University of Alaska, and Woods Hole Oceanographic Institution in the journal Oceanography shows that surface waters of the Chukchi and Beaufort seas could reach levels of acid ... more
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Fossils Explain How Life Coped During Snowball Earth
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Boreal peatlands not a global warming time bomb
To some scientists studying climate change, boreal peatlands are considered a potential ticking time bomb. With huge stores of carbon in peat, the fear is that rising global temperatures could cause ... more
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Ice sheet collapse triggered ancient sea level peak
An international team of scientists has found a dramatic ice sheet collapse at the end of the ice age before last caused widespread climate changes and led to a peak in the sea level well above its ... more
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Climate peril stirring in permafrost, experts tell UN
Scientists on Tuesday called for action to defuse a time bomb of Arctic greenhouse gas as negotiators at UN talks grappled over a climate rescue pact. ... more
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Ancient algae found deep in tropical glacier
The remains of tiny creatures found deep inside a mountaintop glacier in Peru are clues to the local landscape more than a millennium ago, according to a new study by Rice University, the University ... more
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NASA's Operation IceBridge concludes 2015 Arctic campaign
Operation IceBridge wrapped up its seventh Arctic deployment on May 21, when NASA's C-130 research aircraft with the mission's researchers and instruments on board departed Thule Air Base in Greenla ... more
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The ebb and flow of Greenland's glaciers
In northwestern Greenland, glaciers flow from the main ice sheet to the ocean in see-sawing seasonal patterns. The ice generally flows faster in the summer than in winter, and the ends of glaciers, ... more
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CryoSat detects sudden ice loss in Southern Antarctic Peninsula
A recent acceleration in ice loss in a previously stable region of Antarctica has been detected by ESA's ice mission. The latest findings by a team of scientists from the UK's University of Bristol ... more
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Glacier changes at the top of the world
If greenhouse-gas emissions continue to rise, glaciers in the Everest region of the Himalayas could experience dramatic change in the decades to come. A team of researchers in Nepal, France and the ... more
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Study shows influence on climate of fresh water during last ice age
A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect - they increased the product ... more
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