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Last updated on April 23, 2014 at 1:22 EDT
Ancient Landscape Found Under The Greenland Ice Sheet

Ancient Landscape Found Under The Greenland Ice Sheet

[ Watch The Video: Ancient Soil Found Under Greenland Ice Sheet ] By Joshua E. Brown, University of Vermont Glaciers are commonly thought to work like a belt sander. As they move over the land they scrape off everything—vegetation,...

Latest Ice sheet Stories

Measuring Changes In Polar Ice Sheets Using Unmanned Aircraft
2014-04-03 09:22:14

[ Watch The Video: Researchers Test Drones To Monitor Antarctic Ice ] National Science Foundation Boldly going where larger, human-piloted planes cannot, they promise to close a key gap in knowledge for climate modelers Scientists studying the behavior of the world's ice sheets--and the future implications of ice sheet behavior for global sea-level rise--may soon have a new airborne tool that will allow radar measurements that previously would have been prohibitively expensive or...

Greenland river discharge
2014-03-19 03:59:06

redOrbit Staff & Wire Reports - Your Universe Online After growing frustrated attempting to measure the amount of water draining from Greenland’s melting ice sheet, one UCLA graduate student has developed a new method of measuring the width of a river over an extended period of time using freely available imagery from orbiting satellites. Currently, the volume of water running through a river at any given time is determined using a series of ground-based measurements. Hydrologists...

pine island glacier
2014-02-21 04:41:24

redOrbit Staff & Wire Reports - Your Universe Online Previous instances of rapid thinning of Pine Island Glacier suggests that current ice loss in the Antarctic could continue for several more decades, a team of geologists from the US, UK and Germany report in this week’s edition of the journal Science. Pine Island Glacier, which is part of the West Antarctic Ice Sheet, is rapidly accelerating, thinning and retreating, and the researchers report that it has thinned rapidly in the...

Greenland Ice Sheet
2014-02-07 04:35:58

Lee Rannals for redOrbit.com - Your Universe Online Researchers writing in the journal Nature say that ocean warming could be causing a four-fold increase in ice loss on the Greenland Ice Sheet. The Greenland Ice Sheet is about a 2-mile thick layer of ice that covers the country. Glaciers that drain the ice sheet plunge into coastal fjords that are about 2,000 feet deep, helping to expose the ice sheet edges that contact the ocean. Oceanographers from Woods Hole Oceanographic...

NASA To Map Iceland's Winter Glaciers With High-Precision Radar
2014-01-29 06:05:22

April Flowers for redOrbit.com - Your Universe Online This week, a high-precision radar instrument from NASA's Jet Propulsion Laboratory (JPL) left for Iceland to create detailed maps of how glaciers move in the dead of winter. These maps will aid scientists in understanding some of the most basic processes involved in melting glaciers, which are major contributors to rising sea levels. The instrument—developed by JPL and flying on a NASA research aircraft—departed from NASA's...

Climatic Variability Has A Significant Impact On Pine Island Glacier
2014-01-03 07:31:08

redOrbit Staff & Wire Reports - Your Universe Online Pine Island Glacier, one of the largest routes for ice to flow from Antarctica into the sea, is far more susceptible to climatic and ocean variability than previously believed, according to research published Thursday in the advanced online version of the journal Science. Observations from Dr. Pierre Dutrieux of the British Antarctic Survey (BAS) and his colleagues showed sizable fluctuations in ocean heat in Pine Island Bay. They...

greenland aquifer
2013-12-23 04:31:55

redOrbit Staff & Wire Reports - Your Universe Online An “extensive” new aquifer discovered in the Greenland Ice Sheet by an international team of researchers contains liquid water year-round, according to research published in Sunday’s edition of the journal Nature Geoscience. According to the researchers, the reservoir fills 27,000 square miles and is known as a “perennial firn aquifer” because water persists inside the firn – layers of ice and snow that don’t melt...

Arctic Ice Improving
2013-12-16 15:27:28

Lee Rannals for redOrbit.com - Your Universe Online The European Space Agency’s (ESA) CryoSat satellite has delivered some good news about the Arctic sea ice this fall. New measurements taken by CryoSat show the volume of Arctic sea ice has significantly increased this fall, rising by about 50 percent compared to last year. Satellites have been showing a downward trend in the area of Arctic Ocean covered by ice over the past few decades, so the latest measurements are much welcomed news....

East Antarctica Is Pushing Around Its Softer-Mantled Western Half
2013-12-12 07:51:20

April Flowers for redOrbit.com - Your Universe Online It's easy to know what to do when half-siblings are pushing each other around, but what do you do about half-continents? A team of researchers, led by Ohio State University, have discovered that East Antarctica is pushing West Antarctica around. West Antarctica is losing weight in the form of billions of tons of ice per year, making its mantle rock softer. This rock is being nudged westward by the harder mantle beneath East...

ESA CryoSat Mission Confirms Antarctic Ice Loss Is On The Rise
2013-12-12 06:08:21

Alan McStravick for redOrbit.com - Your Universe Online With news out of San Francisco this week, at the autumn meeting of the American Geophysical Union (AGU), we learned scientists have incorrectly estimated the amount of ice being lost on the polar continent of Antarctica. This environmental faux pas directly affects the estimates on global sea level rise as well. The team presenting these findings conducted their research with the Natural Environment Research Council’s Center for...