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ice

River ice during the winter in the Little Southwest Miramichi River (Tooadook in Mi’kmaq) located in New Brunswick, Canada.
Posted inResearch Spotlights

River Ice Can Shape Watershed Ecology

Sarah Derouin, Science Writer by Sarah Derouin 29 October 20218 August 2022

As river ice cover decreases, the physical and biological changes to river ecosystems vary with the watershed characteristics and river size.

Image of a bearded and gloved man, Robert Mulvaney, with ice inside a metal corer.
Posted inNews

Māori Arrival in New Zealand Revealed in Antarctic Ice Cores

by Kate Evans 26 October 20215 June 2023

A new study shows smoke from fires set by the first inhabitants of Aotearoa from around 1300 left a mark in the ice 6,000 kilometers away, on an island off the Antarctic Peninsula.

Scanning electron microscope images of an underformed and a deformed ice sample that clearly show differences in grain sizes.
Posted inEditors' Highlights

Ice on a Deadline: More Stress Makes Ice Move Faster

by Nikolai Bagdassarov and Douglas R. Schmitt 19 October 202115 October 2021

Anyone seeing photographs of glacier and ice sheets from above clearly sees that they flow; recent laboratory tests on ice further reveal the conditions that control just how fast this happens.

A person’s gloved hand holds part of an ice core in which air bubbles can be seen, with the Antarctic landscape in the background. The ice in the core is up to 24,000 years old.
Posted inAGU News

Cutting to the Core

Heather Goss, AGU Publisher by Heather Goss 24 June 202114 April 2022

In our July issue, Eos looks at the collection, study, and storage of cores—from sediment drilled up from the age of the dinosaurs to tree rings as big as a house.

Long aisle in a storage facility lined with metal tubes of ice cores
Posted inFeatures

Cores 3.0: Future-Proofing Earth Sciences’ Historical Records

Jane Palmer, Science Writer by Jane Palmer 24 June 202114 March 2023

Core libraries store a treasure trove of data about the planet’s past. What will it take to sustain their future?

Sea ice off the coast of Antarctica
Posted inResearch Spotlights

South Pole Ice Core Reveals History of Antarctic Sea Ice

Elizabeth Thompson by Elizabeth Thompson 12 May 202114 March 2023

Every summer, most of the sea ice near Antarctica melts away, but its saltiness leaves a permanent record that scientists can trace back for millennia.

The moon appears at the top of the layers of atmosphere above the dark Earth. The orange-red glow is Earth’s troposphere, and the brown transitional layer is the tropopause.
Posted inResearch Spotlights

Convective Transport Explains “Missing” Ice near the Tropical Tropopause

by David Shultz 10 May 202129 March 2022

Spaceborne lidar shows that more ice than expected is leaving the tropical tropopause layer in the atmosphere.

Middle school students sitting around a table at Ohio State University with a homemade ice core
Posted inNews

Cold Curriculum for a Hot Topic

by Nancy Averett 22 March 20212 September 2022

Educators at ice core labs teach students hands-on lessons about climate change.

A patch of grass in the middle of rocks
Posted inNews

Vicuña Poop Nourishes “Dung Gardens” High in the Andes

Katherine Kornei, Science Writer by Katherine Kornei 18 March 20214 October 2021

The excrement delivers nutrients like phosphorus and nitrogen, kick-starting islands of vegetation at the edge of the cryosphere.

Tents set up on a snow and ice field in Aurora Basin North, East Antarctica
Posted inOpinions

Microplastics’ Hidden Contribution to Snow Melting

by J. Ming and F. Wang 8 March 20214 October 2021

Microplastic particles, present everywhere on the planet, may complicate assessments of black carbon’s role in the melting of snow and of its contributions to Earth’s radiative balance.

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Tectonics and Climate Are Shaping an Alaskan Ecosystem

16 October 202516 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

When the Earth Moves: 25 Years of Probabilistic Fault Displacement Hazards

17 October 202517 October 2025
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