News tagged with climatic history
Study finds fish of Antarctica threatened by climate change
A Yale-led study of the evolutionary history of Antarctic fish and their "anti-freeze" proteins illustrates how tens of millions of years ago a lineage of fish adapted to newly formed polar conditions – ...
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New record from stalagmites shows climate history in Central Asia
The climate in Central Asia, currently a semiarid region, has varied over the past 500,000 years. An accurate record of the past climate can help scientists understand current climate and better predict how the climate may ...
Space & Earth / Earth Sciences
Jan 31, 2012 |
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Greenland's pronounced glacier retreat not irreversible
In recent decades, the combined forces of climate warming and short-term variability have forced the massive glaciers that blanket Greenland into retreat, with some scientists worrying that deglaciation could become irreversible. ...
Space & Earth / Earth Sciences
Jan 31, 2012 |
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Scientists aboard Iberian coast ocean drilling expedition report early findings
(PhysOrg.com) -- Mediterranean bottom currents and the sediment deposits they leave behind offer new insights into global climate change, the opening and closing of ocean circulation gateways and locations ...
Space & Earth / Earth Sciences
Jan 24, 2012 |
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New cores from glacier in the Eastern European Alps may yield new climate clues
Researchers are beginning their analysis of what are probably the first successful ice cores drilled to bedrock from a glacier in the eastern European Alps.
Space & Earth / Earth Sciences
Jan 09, 2012 |
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Simultaneous ice melt in Antarctic and Arctic
The end of the last ice age and the processes that led to the melting of the northern and southern ice sheets supply basic information on changes in our climate. Although the maximum size of the ice sheet in the northern ...
Space & Earth / Earth Sciences
Dec 02, 2011 |
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Unravelling the causes of the Ice Age megafauna extinctions
Was it humans or climate change that caused the extinctions of the iconic Ice Age mammals (megafauna) such as the woolly rhinoceros and woolly mammoth?
Nov 04, 2011 |
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Modern ecosystems feel ancient climate change effect
Earth's animals migrate to ensure their survival in suitable conditions. This is especially true when climate cycles switch between warm and cool periods. Now researchers in Denmark and the United Kingdom ...
Oct 12, 2011 |
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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 |
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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 |
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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 |
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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 |
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