Oceanography

Arctic Summers Could Be Ice-free As Early As 2030, Says Snow Researcher

Arctic summers could be ice-free as early as 2030, said Dr. Mark C. Serreze, director of the U.S. National Snow and Ice Data Center (NSIDC- part of the Cooperative Institute for Research in Environmental Sciences based at the University of Colorado in Boul ...

Article - News Staff - Jul 11 2013 - 12:31pm

Pine Island Glacier Calves Iceberg One-Fourth Size Of Rhode Island

In October of 2011, NASA's Operation IceBridge flights over the continent over Antarctica spotted a rift that soon became the focus of international scientific attention. Seeing the rift grow and eventually form a 280-square-mile ice island gave rese ...

Article - News Staff - Jul 11 2013 - 5:30pm

Conventional Explanations For How Antarctica's Ice Sheet Formed Questioned

A potential barrier to deep Antarctic circumpolar flow until the late Miocene? ...

Article - News Staff - Jul 21 2013 - 9:30am

Are Loss Projections Of Ice Sheets In Greenland And The Antarctic High Or Low? Yes

Satellite observations of the ice sheets of Greenland and the Antarctic haven't been around long enough, and prior methods were too inaccurate, to be able to say whether the loss of ice today will persist in the future. Predictions of the contributio ...

Article - News Staff - Jul 15 2013 - 1:26pm

Sea Levels Could Rise 7 Feet Due To Global Warming- Over The Next Several Thousand Years

If warming projections exceed estimates and rise by 1 degree Celsius, a new computer model finds that sea levels will rise about seven feet- over the next several thousand years. But that would be duplicated for every degree of additional warmth as well. ...

Article - News Staff - Jul 16 2013 - 9:53am

Shrinking Sea Ice Cover Strands Baby Harp Seals

Shrinking sea ice cover in the North Atlantic- baby harp seals impacted most. A new paper says satellite images have allowed researchers to gauge the relative roles that genetic, environmental and demographic factors such as age and gender may be playing ...

Article - News Staff - Jul 22 2013 - 11:00am

Coastal Antarctic Permafrost Melting Accelerating- But Not Due To Rising Temperatures

Scientists using tracking data from Garwood Valley in the McMurdo Dry Valleys region of Antarctica have documented an acceleration in the melt rate of permafrost- ground ice- in a section of Antarctica where the ice had been considered stable. The melt ra ...

Article - News Staff - Jul 24 2013 - 1:30pm

Projection: Global Warming Could Cut Snow Water Storage In Oregon Watershed 56 Percent

A new projection estimates that by the middle of this century there could be an average 56 percent drop in the amount of water stored in peak snowpack in the McKenzie River watershed of the Oregon Cascade Range-   if there is a 3.6 degree Fahrenheit tempe ...

Article - News Staff - Jul 26 2013 - 11:00am

Same CO2 But Much Higher Warmth During Pliocene Explained

A year-round ice-free Arctic Ocean surface could explain why the Earth of the Pliocene Epoch had the levels of carbon dioxide in the atmosphere that we have today, but we remain 3 to 9 degrees cooler than the Earth was then. ...

Article - News Staff - Jul 29 2013 - 1:35pm

Earth Orbit Changes Linked To Antarctic Warming

The Earth has periodic ice ages- every 100,000 years, give or take, and the ice ages last far longer than the warm periods. In the last century, scientists determined that Earth's ice ages were determined by the wobbling of the planet's orbit, w ...

Article - News Staff - Aug 14 2013 - 3:01pm