Glaciology News - SciTechDaily

Antarctica’s Ice Deception: New Study Reveals Surprising Thinness of Ice Shelves

Ohio State University — Wed, 06 Dec 2023 01:40:07 +0000

A new effort aims to more accurately measure the loss of ice shelves in Antarctica. Global ice dams are weakening due to rising temperatures, leading...

Melting Point: Rapid Retreat at Petermann Glacier

NASA Earth Observatory — Fri, 26 May 2023 11:39:00 +0000

Decades of retreat are visible from above, but harder-to-see changes below the waterline could also affect this iconic glacier’s future. Petermann Glacier is one of...

The Himalayas’ Vanishing Act: Underestimated Glacier Loss Unveiled

European Space Agency (ESA) — Mon, 10 Apr 2023 23:10:45 +0000

New research reveals that ice being lost from glaciers that flow into lakes in the Himalayas has been significantly underestimated. This discovery has critical implications...

Retreat of Glacier Edges in Alaska’s Kenai Fjords National Park

University of Washington — Fri, 05 Aug 2022 08:00:15 +0000

As glaciers around the world retreat due to climate change, managers of national parks need to know what’s on the horizon to prepare for the...

New Discovery Signals Rapid Decay in Antarctic Glacier

Esprit Smith, Jet Propulsion Laboratory — Thu, 31 Jan 2019 02:29:38 +0000

A gigantic cavity — two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall — growing at the bottom of Thwaites Glacier in...

Machine Learning Helps Predict the Geothermal Heat Flux in Greenland

University of Kansas — Thu, 11 Jan 2018 16:52:49 +0000

A paper appearing in Geophysical Research Letters uses machine learning to craft an improved model for understanding geothermal heat flux — heat emanating from the...

New Research Shows Greenland Ice Sheet Movement is Decreasing Despite Warming

Samson Reiny, NASA's Goddard Space Flight Center — Thu, 29 Oct 2015 16:22:38 +0000

A newly published study from the University of Edinburgh shows that the movement of the southwest portion of the Greenland Ice Sheet that terminates on...

Jakobshavn Glacier Sheds a Massive Chunk of Ice

European Space Agency — Sun, 23 Aug 2015 15:23:30 +0000

New ESA satellite images show that the fastest-moving glacier in the world (the Jakobshavn glacier) shed a massive chunk of ice measuring around 12.5 square...

New Image Shows the Advance of Hubbard Glacier

NASA — Wed, 20 May 2015 15:07:37 +0000

New data from the Operational Land Imager on Landsat 8 shows the advance of Hubbard Glacier. Since measurements began in 1895, Alaska’s Hubbard Glacier has...

New Threat to East Antarctic Ice

Alan Buis, Jet Propulsion Laboratory — Tue, 17 Mar 2015 15:34:32 +0000

New research reveals two seafloor gateways that could allow warm ocean water to reach the base of Totten Glacier, raising concerns about how it will...

NASA Data Reveal Subglacial Lakes Refilling in Greenland

George Hale, NASA's Goddard Space Flight Center — Thu, 22 Jan 2015 16:25:34 +0000

New research found evidence of a drained and refilled subglacial lake in Greenland, revealing that surface meltwater can be trapped and stored at the bed...

NASA Study Reveals West Antarctic Glaciers in Irreversible State of Decline

Dr. Tony Phillips, Science@NASA — Wed, 14 May 2014 14:07:41 +0000

A new study led by NASA researchers presents multiple lines of evidence – incorporating 40 years of observations – that rapidly melting section of the...

British Team Fails to Reach Lake Ellsworth

SciTechDaily — Fri, 28 Dec 2012 16:17:42 +0000

The British Antarctic Survey (BAS) arrived in western Antarctica earlier in December, preparing for their anticipated mission to drill into Lake Ellsworth, a subglacial lake....

British and American Teams Hunt for Life Under Antarctic Ice

SciTechDaily — Thu, 22 Nov 2012 17:15:46 +0000

Next week, UK glaciologists are heading to Lake Ellsworth to prepare for a new drilling stage that will start on December 5. They hope to...

NASA ICESat Shows Himalayan Glaciers Have Lost Less Ice Than Worst Estimates

SciTechDaily — Tue, 28 Aug 2012 15:18:13 +0000

A 2010 study using measurements taking by the Gravity Recovery and Climate Experiment (GRACE) satellite reported that glaciers in the Himalayas and the Tibetan plateau...

Satellites Confirm Extensive Ice Sheet Melt in Greenland

Alan Buis, Jet Propulsion Laboratory — Tue, 24 Jul 2012 14:32:45 +0000

Using data from three independent satellites to analyze the extent of surface melt over Greenland’s ice sheet, NASA and university scientists found that ice melting...

1930s Photos Reveal History of Greenland Glaciers

SciTechDaily — Tue, 29 May 2012 14:48:13 +0000

Rediscovered aerial photos of Greenland from the 1930s have allowed scientists to construct the history of the glacier retreat and advance in the area. The...

Columbia Glacier Retreating to the Sea in Alaska

SciTechDaily — Wed, 02 May 2012 14:20:49 +0000

It took seven years, but the photographic record of the Columbia Glacier in Prince William Sound on Alaska’s southern central Pacific coast has been compiled...

Third Pole Glacial Measuring Stations Will Give Monitor Glacier Health in Tibet

SciTechDaily — Tue, 03 Apr 2012 17:10:27 +0000

An international team of scientists is starting a long-term campaign to measure the overall health of the ice atop Tibet and its surrounding mountains. This...