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News tagged with polar seas

Resupplied North Pole explorers resume trek

Three British explorers fighting to survive a gruelling trek to the North Pole finally resumed their journey Friday after receiving vital supplies of food, fuel and equipment, organizers said.

Space & Earth / Earth Sciences

created Mar 20, 2009 | popularity 4.5 / 5 (35) | comments 0

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

Arctic ice cap 'to disappear in future summers'

The Arctic ice cap will disappear completely in summer months within 20 to 30 years, a polar research team said as they presented findings from an expedition led by adventurer Pen Hadow.

Space & Earth / Earth Sciences

created Oct 15, 2009 | popularity 2.8 / 5 (32) | comments 21

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

Temperatures of sea water fringing South Pole were tropical 50 million years ago

(PhysOrg.com) -- The temperature difference between equatorial and polar sea waters was minimal during the extremely warm 'Greenhouse world' 60 to 50 million years ago. This is the main conclusion drawn by ...

Space & Earth / Earth Sciences

created Oct 08, 2009 | popularity 3.9 / 5 (14) | comments 8

Scientists warn of massive ocean extinctions

When we think of mass extinctions, we think of the dinosaurs. Nothing that could happen in the modern era, right?

Space & Earth / Environment

created Jun 27, 2011 | popularity 4.5 / 5 (11) | comments 1

Polar bears no longer on 'thin ice': researchers say polar bears could face brighter future

In the snowy spring of 2009, Portland-based Marcot traveled with several colleagues onto the frozen Arctic Ocean north of Alaska to study and survey polar bear populations. These findings may have implications ...

Biology / Ecology

created Dec 21, 2010 | popularity 4.5 / 5 (11) | comments 18

Dramatic biological responses to global warming in the Arctic

"The Arctic as we know it may soon be a thing of the past," says Eric Post, associate professor of biology at Penn State University. Post leads a large, international team that carried out ecosystem-wide ...

Space & Earth / Environment

created Sep 10, 2009 | popularity 3 / 5 (16) | comments 7

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

Final frontier: Mission to explore buried ancient Antarctic lake given green light

An international team of scientists led by the UK has been given the go-ahead to explore one of the planet's last great frontiers - an ancient lake hidden deep beneath Antarctica's ice sheet. Buried under ...

Space & Earth / Earth Sciences

created Mar 02, 2009 | popularity 5 / 5 (8) | comments 0

Obama won't fight global warming with bear rules

(AP) -- The Obama administration, which promised a sharp break from the Bush White House on global warming, declared Friday it would stick with a Bush-era policy against expanding protection for climate-threatened ...

Space & Earth / Environment

created May 08, 2009 | popularity 5 / 5 (8) | comments 5

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

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

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

Denmark moves forward on North Pole claim

Denmark on Monday presented its "Arctic Strategy" for the next decade, confirming that it intends to lay claim to the North Pole sea bed by 2014 at the latest.

Space & Earth / Earth Sciences

created Aug 22, 2011 | popularity 5 / 5 (6) | comments 10