News tagged with sea sediments
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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New study may answer questions about enigmatic Little Ice Age
A new University of Colorado Boulder-led study appears to answer contentious questions about the onset and cause of Earth's Little Ice Age, a period of cooling temperatures that began after the Middle Ages ...
Space & Earth / Earth Sciences
Jan 30, 2012 |
4.7 / 5 (7) |
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Plant remains link farming to landscape damage in Peru
A study of food remains from ancient settlement sites along the lower Ica valley in Peru, confirms earlier suggestions that farming undermined the natural vegetation so badly that eventually much of the area ...
Space & Earth / Earth Sciences
Aug 15, 2011 |
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Fast-shrinking Greenland glacier experienced rapid growth during cooler times
Large, marine-calving glaciers have the ability not only to shrink rapidly in response to global warming, but to grow at a remarkable pace during periods of global cooling, according to University at Buffalo geologists working ...
Space & Earth / Earth Sciences
Jul 14, 2011 |
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Salt marsh sediments help gauge climate-change-induced sea level rise
A newly constructed, 2,000-year history of sea level elevations will help scientists refine the models used to predict climate-change-induced sea level rise, according to an international team of climate researchers. The ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
4.6 / 5 (5) |
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Fastest sea-level rise in two millennia linked to increasing temperatures
(PhysOrg.com) -- An international research team including University of Pennsylvania scientists has shown that the rate of sea-level rise along the U.S. Atlantic coast is greater now than at any time in the ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
4 / 5 (17) |
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New map reveals giant fjords beneath East Antarctic ice sheet
Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high- resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, ...
Space & Earth / Earth Sciences
Jun 01, 2011 |
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Ecological impact on Canada's Arctic coastline linked to global climate change
Scientists from Queen's and Carleton universities head a national multidisciplinary research team that has uncovered startling new evidence of the destructive impact of global climate change on North America's ...
May 16, 2011 |
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High seas may be responsible for Taiwan settlement
(PhysOrg.com) -- University of Hawaii archaeologists, led by Barry Rolett, have published a journal in Quaternary Science Reviews focusing on the early settlements of Taiwan. It is their belief that rising ...
Other Sciences / Archaeology & Fossils
Apr 05, 2011 |
5 / 5 (3) |
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A seismograph for ancient earthquakes
Earthquakes are one of the world's biggest enigmas -- impossible to predict and able to wreak untold damage within seconds. Now, a new tool from Tel Aviv University may be able to learn from earthquakes of ...
Space & Earth / Earth Sciences
Mar 14, 2011 |
5 / 5 (1) |
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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) |
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Bering Sea was ice-free and full of life during last warm period, study finds
Deep sediment cores retrieved from the Bering Sea floor indicate that the region was ice-free all year and biological productivity was high during the last major warm period in Earth's climate history.
Space & Earth / Earth Sciences
Dec 13, 2010 |
4.6 / 5 (9) |
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Large CO2 release speeds up ice age melting
Radiocarbon dating is used to determine the age of everything from ancient artifacts to prehistoric corals on the ocean bottom.
Space & Earth / Earth Sciences
Aug 26, 2010 |
3.5 / 5 (11) |
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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) |
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Ocean Drilling Expedition off Antarctica May Predict Ice Sheet's Response to Warmer Global Temperatures
(PhysOrg.com) -- New results from a drilling expedition off Antarctica may help scientists learn more about a dramatic turn in climate 34 million years ago, when the planet cooled from a "greenhouse" to ...
Space & Earth / Earth Sciences
May 04, 2010 |
4.3 / 5 (6) |
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