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Remote sensing

Geophysical measurements of rock glacier thickness made using a ground-based radar, showing the geometry and the internal structure of Laurichard rock glacier in France.
Posted inEditors' Highlights

Revealing How Rock Glaciers Respond to Climate Change

by A. Rowan 17 September 202128 September 2021

Detailed measurements of the geometry and flow of Laurichard rock glacier over 67 years reveal the distinctive behavior of these landforms through periods of warming and cooling.

A rift in Antarctica’s Amery Ice Shelf
Posted inResearch Spotlights

Satellite Captures Detaching Iceberg in Near-Real Time

by Aaron Sidder 10 March 2021

NASA’s ICESat-2 satellite recorded the cleaving of a 315-billion-ton iceberg from Amery Ice Shelf in 2019, as well as years of subtle cracking and splitting prior to the calving event.

Scientists stand in a tend with the ROV
Posted inNews

Beast of the Central Arctic

by Jenessa Duncombe 11 December 202028 October 2021

Feast your eyes on Beast, the first remotely operated vehicle to brave the Arctic for 1 year.

Satellite view of the Lena River delta in June 2019
Posted inResearch Spotlights

River Deltas at the Top of the World

by Elizabeth Thompson 20 March 202010 February 2022

The water that filters through river deltas has a large effect on the Arctic Ocean. A new study explores factors that shape Arctic river deltas and how delta form in turn changes water flow.

Seismic monitoring equipment sits atop snow at a remote test site in Antarctica with a helicopter in the background.
Posted inScience Updates

A Shared Resource for Studying Extreme Polar Environments

by J. Sweet, J. P. Winberry, A. Huerta, K. Anderson, B. Beaudoin, S. Bilek, P. Carpenter, K. Nikolaus, A. Roth, K. Arnell, N. Lingutla and B. Woodward 18 March 202013 December 2021

A new community pool of seismic instrumentation will facilitate and advance geologic and cryospheric research in Earth’s ice-covered environments.

Aerial images of Argentière glacier taken in 1919 and 2019
Posted inNews

Europe’s Mightiest Glaciers Are Melting

by Jenessa Duncombe 21 October 201922 October 2019

Here’s what a century of ice melt looks like on the Alps’ highest peak.

A photograph of a collapse scar bog near Fairbanks, Alaska
Posted inNews

The Permafrost Listeners

by L. Joel 7 August 20199 August 2019

Geophysicists have discovered a way to monitor permafrost thaw by measuring seismic waves so gentle they don’t shake a thing.

Aerial view of the Swiss Alps
Posted inResearch Spotlights

Using GPS Sensors to Capture Key Snowpack Properties

by Sarah Stanley 6 June 2019

A low-cost, two-antenna GPS setup could enable valuable snow measurements in remote locations, improving predictions of runoff and avalanche risk.

The Polar 6 research airplane in Antarctica
Posted inResearch Spotlights

Missing Lakes Under Antarctic Ice Sheets

by E. Underwood 4 June 2019

New radio sounding study finds little evidence of lakes under Antarctica’s Recovery Glacier.

A view of the aircraft used to collect radar data over Antarctica
Posted inResearch Spotlights

Subglacial Water Can Accelerate East Antarctic Glacier Flow

by Terri Cook 3 April 2019

Airborne radar from the Recovery Glacier system demonstrates the importance of characterizing the underlying causes of ice flow speedup to understand how glacial discharge could change in the future.

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