News tagged with younger dryas
Long-lost Lake Agassiz offers clues to climate change
Not long ago, geologically speaking, a now-vanished lake covered a huge expanse of today's Canadian prairie. As big as Hudson Bay, the lake was fed by melting glaciers as they receded at the end of the last ice age. At its ...
Space & Earth / Earth Sciences
Oct 05, 2011 |
4.3 / 5 (3) |
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Impact hypothesis loses its sparkle
Shock-synthesized diamonds said to prove a catastrophic impact killed off North American megafauna can't be found.
Space & Earth / Earth Sciences
Aug 30, 2010 |
4.4 / 5 (14) |
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Charcoal evidence tracks climate changes in Younger Dryas
A new study reports that charcoal particles left by wildfires in sediments of 35 North American lake beds don't readily support the theory that comets exploding over the continent 12,900 years ago sparked ...
Space & Earth / Earth Sciences
Jan 28, 2009 |
4.4 / 5 (7) |
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Search results for younger dryas
Sediments from the Enol lake reveal more than 13,500 years of environmental history
A team of Spanish researchers have used different geological samples, extracted from the Enol lake in Asturias, to show that the Holocene, a period that started 11,600 years ago, did not have a climate as ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
4.1 / 5 (7) |
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How Earth's orbital shift shaped the Sahara
A change in the Earth’s orbit, many scientists believe, transformed the “Green Sahara” into what is now the largest desert on the planet. While scientists are still trying to find out if the ...
Space & Earth / Earth Sciences
Dec 21, 2010 |
4.5 / 5 (20) |
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Global sea-level rise at the end of the last Ice Age
Southampton researchers have estimated that sea-level rose by an average of about 1 metre per century at the end of the last Ice Age, interrupted by rapid 'jumps' during which it rose by up to 2.5 metres per century. The ...
Space & Earth / Earth Sciences
Dec 01, 2010 |
5 / 5 (2) |
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Archaeological Survey begins excavation project at Hugh Butler Lake
The University of Nebraska State Museum's Nebraska Archaeological Survey began archaeological investigations in September at several prehistoric sites at Hugh Butler Lake in Frontier County.
Other Sciences / Archaeology & Fossils
Oct 07, 2010 |
5 / 5 (2) |
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Study adds new clue to how last ice age ended
As the last ice age was ending, about 13,000 years ago, a final blast of cold hit Europe, and for a thousand years or more, it felt like the ice age had returned. But oddly, despite bitter cold winters in ...
Space & Earth / Earth Sciences
Sep 08, 2010 |
4.4 / 5 (15) |
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Scientists discover nanodiamonds in Greenland ice
(PhysOrg.com) -- University of Maine volcanologist Andrei Kurbatov and glaciologist Paul Mayewski, along with 21 other scientists, coauthored a scientific paper released late last month that details the discovery of a layer ...
Space & Earth / Earth Sciences
Sep 08, 2010 |
4.8 / 5 (13) |
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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 (13) |
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Research Suggests Large Mammals Influenced Global Climate
(PhysOrg.com) -- More than 13,000 years ago, millions of large mammals such as mammoths, mastodon, shrub-ox, bison, ground sloths and camels roamed the Americas and may have had profound influences on the ...
Space & Earth / Earth Sciences
May 23, 2010 |
3.1 / 5 (17) |
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Ancient Americans took cold snap in their stride
Paleoindian groups* occupied North America throughout the Younger Dryas interval, which saw a rapid return to glacial conditions approximately 11,000 years ago. Until now, it has been assumed that cooling temperatures and ...
Other Sciences / Archaeology & Fossils
Apr 12, 2010 |
4.6 / 5 (5) |
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Mammoth Hunters - Out With a Whimper or a Bang?
(PhysOrg.com) -- Did a change in climate or an extraterrestrial impact bring an end to the beasts and people that roamed the Southwest shortly after the last ice age?
Other Sciences / Archaeology & Fossils
Apr 06, 2010 |
4.7 / 5 (9) |
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List of search results for younger dryas
