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bedrock

Gyldenlove Glacier discharges into a fjord in southern Greenland.
Posted inNews

“Sticky” Ice Sheets May Have Led to More Intense Glacial Cycles

by Clara Chaisson 5 January 20222 July 2024

New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.

Researchers assess how ice movement affects bedrock beneath Greenland’s Rink Glacier.
Posted inResearch Spotlights

Massive Waves of Melting Greenland Ice Warped Earth’s Crust

by E. Underwood 28 June 201711 January 2022

A novel method uses shifting bedrock to trace pulses of mass that propagate down a glacier.

Aletsch glacier seen from Jungfraujoch.
Posted inResearch Spotlights

Cosmic Muons Reveal the Land Hidden Under Ice

by Jenny Lunn 23 May 201730 September 2022

Scientists accurately map the shape of the bedrock beneath a glacier using a new technique.

Researchers assess whether methods of studying alluvial rivers are helpful to understanding behavior of rivers without loose sediment.
Posted inResearch Spotlights

How Do Rivers Flow over Bedrock?

by Terri Cook 8 May 201713 October 2022

A study questions whether the hydraulics of rivers that lack loose sediments along their bottoms can be accurately depicted by standard equations for flow over sediment.

Posted inResearch Spotlights

Largest Grains Dominate River Bedrock Erosion Rates

by Terri Cook 3 September 201524 February 2022

The effect of particle size on bedrock erosion rates adds complexity to modeling bedrock channel evolution.

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