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Arctic

Photo of a research vessel in front of a tidewater glacier
Posted inResearch Spotlights

Arctic Glacial Retreat Alters Downstream Fjord Currents

Sarah Stanley, Science Writer by Sarah Stanley 14 June 201914 March 2024

High-resolution mapping efforts could improve predictions of coastal changes as glaciers shrink around the world.

Rocks of the Saglek Block in Labrador
Posted inNews

When Water Met Rock

Lucas Joel by L. Joel 17 May 201920 June 2024

Geologists discover rocks bearing the earliest known evidence of water interacting with rock on Earth’s surface.

Tara Oceans expedition ship in the Arctic
Posted inNews

Marine Virus Survey Reveals Biodiversity Hot Spots

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 May 201918 October 2022

Ocean samples collected from around the world produced a twelvefold increase in the number of marine viruses known. A portion of the Arctic Ocean has “surprisingly high diversity.”

Posted inEditors' Highlights

Distinguishing Pacific and Atlantic Contributions to the Arctic

by J. Sprintall 18 April 201912 January 2022

A semi-conservative tracer combining nitrate and dissolved oxygen is more accurate than traditional tracers in distinguishing between Atlantic and Pacific water mass contributions to the Arctic.

Unusual clouds over South Georgia Island
Posted inEditors' Vox

Atmospheric Gravity Wave Science in the Polar Regions

by T. Moffat-Griffin, M. Taylor, T. Nakamura, D. Murphy, J. V. Bageston and G. Jee 17 April 201929 March 2022

A joint special issue explores the potential of collaboration to help understand atmospheric gravity waves in the Polar Regions and their effect on global circulation.

An international team studying the Beaufort Gyre from their base on the CCGS Louis S. St-Laurent.
Posted inEditors' Vox

In a Spin: New Insights into the Beaufort Gyre

by A. Proshutinsky and R. Krishfield 8 April 20199 August 2022

A new special collection in JGR: Oceans presents results from studies of the Beaufort Gyre, an oceanic circulation system in the Arctic that has far-reaching influence on the global climate.

A delta channel from a large ancient delta extends into the Barents Sea
Posted inNews

Largest Delta Plain in Earth’s History Discovered in Arctic

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 April 201919 September 2023

If this Triassic period delta existed today, its footprint would equal about 1% of all land on Earth.

Simon Pendleton and Gifford Miller collecting ancient plants preserved beneath an ice cap on Baffin Island
Posted inNews

Modern Warming Is Undoing Millennia of Arctic Ice Cover

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 February 20194 October 2021

Plants and rocks at the edges of glaciers have been entombed in ice for more than 40,000 years. Modern warming, unmatched in 115,000 years, is now uncovering these landscapes.

Arctic cyclone
Posted inNews

How Arctic Cyclones Change the Sea Ice

by R. Pérez Ortega 14 January 20199 August 2022

Whirlwinds disrupt the sea ice in the Arctic Ocean. Scientists are now beginning to understand how.

Sen. Lisa Murkowski of Alaska speaks at AGU Fall Meeting 2018.
Posted inNews

Sen. Murkowski Warns About the Impact of Climate Change

by Randy Showstack 13 December 20187 April 2023

The senator from Alaska says the impact of climate change in her state “is real, it is happening, it is now, and almost none of these changes are for the better for us.”

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Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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