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Glaciology

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.

Results of an inverse model showing inferred basal shear underneath Thwaites Glacier, West Antarctica
Posted inEditors' Vox

Modeling: A Powerful and Versatile Tool in Glaciology

by Olga Sergienko, M. Morlighem, S. Nowicki and L. Padman 1 July 2020

Papers are invited for a new special collection presenting advances in modeling in glaciology that improve understanding of glaciers and ice sheets and their interactions with the Earth system.

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.

Study of three glaciers in Greenland
Posted inEditors' Highlights

Small Seismic Signals Tell a Story of Iceberg Calving

by Olga Sergienko 8 August 20191 August 2019

Seismic signals detected hundreds of kilometers away from Greenland glaciers reveal the calving style and iceberg size.

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 researcher collects a rock sample for dating
Posted inResearch Spotlights

More Evidence Humans Migrated to the Americas via Coastal Route

by Terri Cook 7 February 2019

A new chronology shows that ice-free areas existed along the British Columbia coast earlier than previously thought.

We may be overestimating how reflective Earth is—and underestimating how much energy the planet’s ice sheets are absorbing.
Posted inResearch Spotlights

On-the-Ground Measurements Overestimate Earth’s Albedo

by David Shultz 18 August 2017

Weather stations can be used to calibrate and validate albedo measurements from satellites, but they fail to account for variability across landscapes, overestimating how reflective our planet is.

Researchers conduct a lake survey in front of Glaciar Perito Moreno.
Posted inResearch Spotlights

In Patagonian Lakes, Glacial Meltwater Lies Low

by Sarah Stanley 12 May 201712 May 2017

A new study reveals key differences in ice-water interactions between glaciers that flow into lakes and glaciers that end in the sea.

A landscape near the Anglong glacier in Ritu County of western Tibet and the northern Himalayas.
Posted inScience Updates

Advancing a Multisphere Approach to Third Pole Research

by S. Shen and F. Zhang 11 May 201728 September 2021

The International Workshop on Land Surface Multi-spheres Processes of Tibetan Plateau; Xining, Qinghai Province, China, 8–10 August 2016

Polar bear walks on Arctic sea ice.
Posted inNews

White House Mum on Arctic Priorities as Key Meeting Approaches

by Randy Showstack 29 March 201728 September 2021

Arctic experts are watching to see whether U.S. Secretary of State Rex Tillerson will attend the Arctic Council meeting in May as a sign of how engaged the Trump administration will be in the region.

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