Cryospheric Research Roundup

April 2015

National Science Foundation Funds Brunt's Study Of Antarctic Ice Flow

The edge of the Ross Ice Shelf (Credit: NASA/Operation IceBridge)

Kelly Brunt received funding from the National Science Foundation’s Division of Polar Programs to support a two-year study of the flow of the Ross Ice Shelf in Antarctica. This ice shelf, together with the Filchner-Ronne Ice Shelf, buttresses the seaward flow of the West Antarctic Ice Sheet, the portion of Antarctica’s grounded ice that is most at risk of catastrophic disintegration and is currently the largest Antarctic contribution to sea level rise.
Brunt’s project will develop a model that explores how ocean tides modulate the movement of land ice toward the sea and will use existing GPS measurements to evaluate the model's results.

March 2015

Operation IceBridge Launches 2015 Arctic Campaign

NASA's Operation IceBridge, an airborne survey of polar ice, started its seventh Arctic campaign on March 19. This year’s science flights over Arctic sea and land ice will continue until May 22 and will have three parts: the first, based in the Thule Air Base in northern Greenland and including a short deployment to Fairbanks, Alaska, willfocus mostly on sea ice. The second leg of the deployment will be based in Kangerlussuaq, Greenland, and it will focus on surveying ice surface elevation and thickness at several rapidly changing points of the Greenland ice sheet. Afterward, the team will return to Thule for the last phase of the field campaign, which will include both land and sea ice flights.

February 2015

Crawford's Field Campaign To Measure Snow Properties In Minnesota

As part of his NASA postdoctoral program research, Christopher Crawford will lead a field excursion on snowmobiles into the mid-continent near boreal forest region of Voyagers National Park on the Minnesota -Canadian border. Crawford will be accompanied by his University of Minnesota colleague, Lane Johnson. They will collect ground-based measurements of pure snow, snow in forest, and snow on lakes using a field spectrometer supported by the Biospheric Optics Laboratory at NASA’s Goddard Space Flight Center. Crawford will take measurements in coincidence with Landsat 7 and 8 acquisitions, and a hyperspectral image from the EO-1 Hyperion Imaging Spectrometer is scheduled. Ground-based measurements of snow properties are important for validating snow cover, snow grain size, and snow albedo retrieval algorithms, supporting current and future operational snow mapping applications, and advancing research on satellite snow product development to enable climate and hydrological science studies on seasonal snow variability and change.


November 2014

Casey To Participate In Ice Core Drilling At South Pole

Kimberly Casey left for the South Pole, Antarctica, on November 8th for the austral summer season to assist in the recovery of an ice core. The ice core will be drilled to a depth of 1500 meters, providing an environmental record spanning approximately 40,000 years that will be used to investigate changes in climate. Dr. Casey will work on ice core logging and recovery efforts at the South Pole for four months. She will also conduct field observations related to her studies of pollutant deposition on ice.

Parkinson Becomes Member of AAAS’ Annual Meeting Scientific Program Committee

Claire ParkinsonThe Board of the American Association for the Advancement of Science (AAAS) appointed Claire Parkinson in October to a three-year term on the association's Annual Meeting Scientific Program Committee. The committee is charged with establishing the theme and program tracks of AAAS’ annual meeting, reviewing proposals, and selecting symposia. It is chaired by the AAAS President and is composed of 13 members appointed by the board to reflect the wide range of scientific disciplines represented by the association.

Read more research news in our Research Roundup Archives.

Cryospheric Sciences at NASA Goddard

Cryospheric research at NASA's Goddard Space Flight Center addresses the physics of ice sheets and glaciers, sea ice, snow on ice and land, and their roles in the global climate system.

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