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Ice shelves

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.

The Ross Ice Shelf
Posted inNews

Drilling into the Past to Predict the Future

by D. Williams 17 September 2019

Climate change is at the center of a remarkable international drilling operation into Antarctica’s Ross Ice Shelf.

Edge of a glacier near the ocean
Posted inNews

Vintage Radar Film Tracks What’s Beneath Antarctic Ice

by Kimberly M. S. Cartier 16 September 2019

The newly digitized data double the timescale of ice-penetrating radar monitoring in some of the fastest changing areas of Antarctica.

Aerial photo of an ice shelf projecting into the sea
Posted inNews

Warm Water Is Rapidly Eroding Antarctica’s Ross Ice Shelf

by Katherine Kornei 7 May 201928 September 2021

The underside of the world’s largest ice shelf is melting—by meters per year in some places—because of the seasonal inflow of water heated by the Sun, observations of the White Continent reveal. 

Ice flowing down West Antarctica’s Pope Glacier
Posted inResearch Spotlights

What’s Missing from Antarctic Ice Sheet Loss Predictions?

by Sarah Stanley 21 March 2019

Accurately modeling melt rates in specific ice shelf locations is critical for forecasting how Antarctica’s ice sheet will respond to climate change.

A view of the Larsen C ice shelf in Antarctica
Posted inResearch Spotlights

Extending the Record of Surface Melt on the Larsen C Ice Shelf

by Terri Cook 25 February 2019

The first use of Advanced Scatterometer radar data to determine melt duration on an Antarctic ice shelf shows the season has decreased by up to 2 days per year during the extended 21st century record.

Ice motion measurement
Posted inEditors' Vox

Ocean Tides Affect Ice Loss from Large Polar Ice Sheets

by L. Padman and M. R. Siegfried 20 February 201820 February 2018

A recent paper in Reviews of Geophysics discusses how ocean tides affect the motion of, and loss of ice from, the Antarctic and Greenland ice sheets.

The iSTAR tractor traverse at work on Pine Island Glacier, West Antarctica.
Posted inScience Updates

Pine Island Glacier and Ice Sheet Stability in West Antarctica

by A. M. Smith 15 November 2017

The iSTAR Programme Science Integration Meeting; Leeds, United Kingdom, 18–19 May 2017

Researchers use modeling to find an iceberg’s breaking point.
Posted inResearch Spotlights

How to Find an Iceberg’s Breaking Point

by S. Witman 16 August 201718 August 2017

Researchers develop a mathematical method of modeling tabular icebergs, like the one that broke away from an Antarctic ice shelf earlier this year.

A closeup of a rift in the Larsen C ice sheet in 2016.
Posted inNews

Six Points of Perspective on Larsen C’s Huge New Iceberg

by JoAnna Wendel and M. Kumar 12 July 201714 July 2017

A Delaware-sized slab of ice just broke off Antarctica. Now what?

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