News tagged with climatic history
With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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Fossilized pollen reveals climate history of northern Antarctica
A painstaking examination of the first direct and detailed climate record from the continental shelves surrounding Antarctica reveals that the last remnant of Antarctic vegetation existed in a tundra landscape ...
Space & Earth / Earth Sciences
Jun 27, 2011 |
5 / 5 (7) |
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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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Drilling for insights under the salty dead sea
(PhysOrg.com) -- Scientists are drilling deep into the bed of the fast-shrinking Dead Sea, searching for clues to past climate changes and other events that may have affected human history even earlier than ...
Space & Earth / Earth Sciences
Jan 31, 2011 |
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Drilling in the holy land
About 50 miles from Bethlehem, a drilling project is determining the climate and earthquake activity of the Holy Land. Scientists from eight nations are examining the ground below the Dead Sea, by placing a borehole in this ...
Space & Earth / Earth Sciences
Dec 22, 2010 |
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Extinctions, loss of habitat harm evolutionary diversity
A mathematically driven evolutionary snapshot of woody plants in four similar climates around the world has given scientists a fresh perspective on genetic diversity and threats posed by both extinctions and ...
Dec 16, 2010 |
4.3 / 5 (3) |
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Extreme global warming in the ancient past
Variations in atmosphere carbon dioxide around 40 million years ago were tightly coupled to changes in global temperature, according to new findings published in the journal Science. The study was led by sci ...
Space & Earth / Earth Sciences
Nov 10, 2010 |
4.2 / 5 (9) |
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Family tree could identify species vulnerable to invaders, climate change
Change has been the norm for Wisconsin's forests over the last 50 years, and the next 50 are unlikely to pass quietly.
Oct 19, 2010 |
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Volcanoes wiped Neanderthals out, research suggests
New research suggests that climate change following massive volcanic eruptions drove Neanderthals to extinction and cleared the way for modern humans to thrive in Europe and Asia.
Other Sciences / Archaeology & Fossils
Sep 30, 2010 |
5 / 5 (17) |
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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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Were short warm periods typical for transitions between interglacial and glacial epochs?
At the end of the last interglacial epoch, around 115,000 years ago, there were significant climate fluctuations. In Central and Eastern Europe, the slow transition from the Eemian Interglacial to the Weichselian ...
Space & Earth / Earth Sciences
Mar 02, 2010 |
5 / 5 (6) |
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Sea-floor Sediments Illuminate 53 Million Years of Climate History
(PhysOrg.com) -- The Integrated Ocean Drilling Program (IODP) drillship JOIDES Resolution is returning to port in Honolulu this week after a two-month voyage to chart detailed climate history in the equatorial ...
Space & Earth / Earth Sciences
May 01, 2009 |
4.6 / 5 (5) |
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Peruvian stalagmites a new basis for 'Inconvenient truth'?
Will the Netherlands that is dominated by water succumb to the 'Inconvenient Truth' predicted by Al Gore? Dutch researcher Martin van Breukelen analysed stalagmites from the South American Amazon tributaries in Peru. He used ...
Space & Earth / Earth Sciences
Apr 29, 2009 |
3.1 / 5 (8) |
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New Ice Age maps point to climate change patterns
(PhysOrg.com) -- New climate maps of the Earth’s surface during the height of the last Ice Age support predictions that northern Australia will become wetter and southern Australia drier due to climate change.
Space & Earth / Earth Sciences
Jan 19, 2009 |
3.8 / 5 (10) |
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