News tagged with polar seas
Expedition studies acid impacts on Arctic
The effects of ocean acidification on Arctic seas will be studied by a team of 30 researchers, including Dr Toby Tyrrell from the University of Southampton, who set sail from the UK today (1 June), venturing ...
Jun 01, 2012 |
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CryoSat goes to sea
CryoSat was launched in 2010 to measure sea-ice thickness in the Arctic, but data from the Earth-observing satellite have also been exploited for other studies. High-resolution mapping of the topography of the ocean floor ...
Space & Earth / Earth Sciences
May 29, 2012 |
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Warming ocean layers will undermine polar ice sheets
Warming of the ocean's subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting ...
Space & Earth / Earth Sciences
Jul 03, 2011 |
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Arctic ice cover hits historic low: scientists
The area covered by Arctic sea ice reached its lowest point this week since the start of satellite observations in 1972, German researchers announced on Saturday.
Space & Earth / Earth Sciences
Sep 10, 2011 |
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Preserving four percent of the ocean could protect most marine mammal species, study finds
Preserving just 4 percent of the ocean could protect crucial habitat for the vast majority of marine mammal species, from sea otters to blue whales, according to researchers at Stanford University and the ...
Aug 29, 2011 |
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Tohoku tsunami created icebergs in Antarctica
A NASA scientist and her colleagues were able to observe for the first time the power of an earthquake and tsunami to break off large icebergs a hemisphere away.
Space & Earth / Earth Sciences
Aug 08, 2011 |
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Two new bee species are mysterious pieces in the Panama puzzle
Smithsonian scientists have discovered two new, closely related bee species: one from Coiba Island in Panama and another from northern Colombia. Both descended from of a group of stingless bees that originated ...
Oct 18, 2011 |
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Watching the birth of an iceberg
(PhysOrg.com) -- After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation IceBridge has flown a follow-up mission and made the first-ever ...
Space & Earth / Earth Sciences
Nov 02, 2011 |
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Is cannibalism in polar bears on the rise?
(PhysOrg.com) -- A series of photographs of cannibalism in polar bears have been released, and the researchers who witnessed the act think the rate of cannibalism may be increasing. They observed three instances ...
Dec 09, 2011 |
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Model shows polar ice caps can recover from warmer climate-induced melting
A growing body of recent research indicates that, in Earth's warming climate, there is no "tipping point," or threshold warm temperature, beyond which polar sea ice cannot recover if temperatures come back down. New University ...
Space & Earth / Earth Sciences
Aug 17, 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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Polar ice adding more to rising seas: study
(PhysOrg.com) -- The Greenland and Antarctic ice sheets are losing mass at an accelerating pace, according to a new NASA-funded satellite study. The findings of the study -- the longest to date of changes ...
Space & Earth / Earth Sciences
Mar 09, 2011 |
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Researchers map out ice sheets shrinking during Ice Age
A set of maps created by the University of Sheffield have illustrated, for the first time, how our last British ice sheet shrunk during the Ice Age.
Space & Earth / Earth Sciences
Feb 11, 2011 |
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Long-distance swims may cause polar bear problems
Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.
Jul 20, 2011 |
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Polar bear's long swim illustrates ice melt
In one of the most dramatic signs ever documented of how shrinking Arctic sea ice impacts polar bears, researchers at the U.S. Geological Survey in Alaska have tracked a female bear that swam nine days across ...
Feb 03, 2011 |
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