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Science News by AGU

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glaciers & ice sheets

River flow paths in Iceland derived from HydroSHEDS.
Posted inAGU News

Charting Paths to New Knowledge

by Heather Goss 20 May 202220 May 2022

In our June issue of Eos, we home in on the unique ways researchers are using maps to better understand Earth and beyond.

A weather station stands atop a rock outcrop in the foreground, above a glacier flowing between mountains and into the water.
Posted inOpinions

Glacial Knowledge Gaps Impede Resilience to Sea Level Rise

by Ginny Catania, Twila Moon and Andy Aschwanden 11 May 202211 May 2022

Changes to the support, culture, and community organization of U.S. glaciology are needed to advance understanding of glacial change and better predict rising seas and other ice loss impacts.

Posted inNews

Una nueva pista sobre el colapso de la plataforma de hielo antártica

by Jenessa Duncombe 10 May 202210 May 2022

Un tipo particular de tormenta coincidió con 13 de los 21 eventos recientes de desprendimiento en la Antártida.

Three figures from the paper showing a map of bedrock channels on the seafloor, an image of a remotely-operated vehicle, and an image of potholes.
Posted inEditors' Highlights

New Observations Reveal Ancient Subglacial Water Paths

by Olga Sergienko 13 April 20225 April 2022

Analyses of new shipboard and ROV observations of bedrock channels carved by floods and outbursts from subglacial lakes under Antarctica shed light on complex subglacial processes.

A wall of ice looms over an expanse of rocks.
Posted inNews

Impact Structure Hidden Under Arctic Ice Dates to the Paleocene

by Katherine Kornei 13 April 202213 April 2022

Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.

Aerial view of an ice stupa in Ladakh, India.
Posted inNews

Ice Towers May Hold Promise—and Water—for Some Cold, Dry Places

by Carolyn Wilke 1 April 20221 April 2022

A new study that cues into the formation of ice cones for storing glacial meltwater reveals how the structures can be built more efficiently and which climatic conditions work best.

Meltwater draining through a crack in a glacier
Posted inNews

It’s Getting Hot Under Greenland

by Danielle Beurteaux 29 March 202229 March 2022

Meltwater draining through an area of the Greenland Ice Sheet creates enough energy to rival that of a massive hydroelectric power station, researchers say.

Detailed image shows sculpted layers of ice at Mars’s south pole.
Posted inNews

The Bumpy Search for Liquid Water at the South Pole of Mars

by Damond Benningfield 8 March 20228 March 2022

Studies since 2018 have provided competing explanations of bright radar reflections from the base of the south polar ice cap.

Satellite image of the Himalayas
Posted inNews

Himalayas Are Experiencing an “Exceptional” Loss of Glacial Mass

by Rishika Pardikar 10 February 202210 February 2022

The Himalayas have lost 40% of their glacial mass since the Little Ice Age. East Nepal and Bhutan have experienced the most rapid losses.

A helicopter hovers in the foreground as meltwater pours from a waterfall over the edge of an ice shelf.
Posted inFeatures

The Uncertain Future of Antarctica’s Melting Ice

by Florence Colleoni, Tim Naish, Robert DeConto, Laura De Santis and Pippa L. Whitehouse 10 January 202210 January 2022

A new multidisciplinary, international research program aims to tackle one of the grand challenges in climate science: resolving the Antarctic Ice Sheet’s contribution to future sea level rise.

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