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glaciers & ice sheets

A glacier- and snow-covered high mountain peak with glacial lakes
Posted inFeatures

Adapting to Receding Glaciers in the Tropical Andes

by Tania V. Rojas, Duncan Quincey, Pedro Rau, Daniel Horna-Muñoz and Jorge D. Abad 8 October 20216 May 2022

Integrated approaches are needed to understand and respond to changes in tropical mountain ecosystems and communities brought about by receding glaciers and changes in land use.

Runoff from Aneto Glacier in the Pyrenees mountains in September 2020
Posted inResearch Spotlights

Pyrenees Glaciers Are Rapidly Disappearing

by Joshua Learn 4 October 202128 March 2022

Three of the remaining glaciers in the Pyrenees mountain range stopped flowing in the past decade.

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.

Photograph of the Grosser Aletschgletscher, the largest glacier in the European Alps
Posted inEditors' Vox

Glacier Structures: History Written in the Ice

by S. J. A. Jennings and M. J. Hambrey 8 September 20211 October 2021

As Earth’s climate heats up, glacier structures are being revealed in unprecedented detail, allowing glaciologists to understand how the behavior of glaciers has changed over centuries to millennia.

Two scientists stand atop a glacier holding cords and ropes, with a view of a fjord, icebergs, and mountains in the distance
Posted inScience Updates

Undertaking Adventure to Make Sense of Subglacial Plumes

by Evgeny A. Podolskiy 18 August 202129 September 2021

Novel observations and inventive analyses of glacial discharge in Greenland have revealed new insights into the irregular and chaotic nature of ice-ocean interactions at glacial calving fronts.

A screen capture from a virtual field tour showing scientists preparing to drill an ice core on Mount Huascarán in Peru, along with directional controls
Posted inScience Updates

Virtual Tours Through the Ice Using Everyday Tools

by K. Harris, K. Krok, R. Hollister and J. Cervenec 9 July 20218 March 2022

The Byrd Polar and Climate Research Center is training scientists to create immersive virtual field experiences of glaciers, sea ice, and snow.

View from atop a glacier looking toward mountains on the horizon
Posted inOpinions

Chile’s Glacier Protection Law Needs Grounding in Sound Science

by A. Fernández, S. MacDonell, M. Somos-Valenzuela and Á. González-Reyes 6 July 202122 November 2021

In the works for more than a decade, proposed legislation to protect glacial and permafrost environments in Chile suffers from uncertainties and omissions that could sow conflict instead of solutions.

A photograph of a plane flying over mountain glaciers in Alaska
Posted inEditors' Vox

Wheels Down for NASA’s Operation IceBridge

by J. A. MacGregor, L.N. Boisvert and B. Medley 25 June 202129 September 2021

Over a 13-year period, almost a thousand flights surveyed land and sea ice across the Arctic, Antarctic, and Alaska, providing unique insights into how the polar regions are changing.

2-D representation of 360-degree borehole images from about 34 and 80 meters deep showing several identified crevasse traces
Posted inEditors' Highlights

Evidence of Crevasses Transporting Heat Deep into Greenland Ice

by Susan Trumbore 3 June 202111 January 2022

Crevasses are a feature of ice sheets but how deep they extend has been a mystery. Now crevasse traces have been visually identified to 265 meters in a borehole in a fast-moving outlet glacier.

Three researchers with cables on ice
Posted inNews

The Chaos Beneath a Glacier’s Calving Front

by Danielle Beurteaux 20 May 202128 April 2022

For the first time, researchers have captured continuous data on the abrupt changes and activities happening at a glacier’s calving front.

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