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News tagged with polar seas

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

created Jul 03, 2011 | popularity 3.3 / 5 (14) | comments 101 | with audio podcast

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 ...

Biology / Plants & Animals

created Dec 09, 2011 | popularity 4.7 / 5 (7) | comments 18 | with audio podcast report

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

created Nov 02, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

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 ...

Biology / Plants & Animals

created Oct 18, 2011 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

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

created Sep 10, 2011 | popularity 4 / 5 (25) | comments 17

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 ...

Biology / Ecology

created Aug 29, 2011 | popularity 4 / 5 (4) | comments 4 | with audio podcast

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

created Aug 17, 2011 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

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

created Aug 08, 2011 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

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.

Biology / Ecology

created Jul 20, 2011 | popularity 2.3 / 5 (3) | comments 1

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 ...

Space & Earth / Environment

created May 16, 2011 | popularity 4.3 / 5 (7) | comments 16 | with audio podcast

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

created Mar 09, 2011 | popularity 4 / 5 (17) | comments 48 | with audio podcast

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

created Feb 11, 2011 | popularity 4.8 / 5 (6) | comments 7 | with audio podcast

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 ...

Biology / Plants & Animals

created Feb 03, 2011 | popularity 3.7 / 5 (6) | comments 6

Air above Dead Sea contains very high levels of oxidized mercury

Measurements show that the sea's salt has profound effects on the chemistry of the air above its surface.

Space & Earth / Earth Sciences

created Nov 29, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

CryoSat-2 ice mission ready for launch

(PhysOrg.com) -- A UK-led CryoSat-2 satellite designed to monitor changes in ice cover at the poles will launch at 13:57 UK time on 8 April 2010 from the Baikonur cosmodrome in Kazakhstan.

Space & Earth / Space Exploration

created Mar 30, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast