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Arctic

Figures from the paper, showing simulated Ural blocking event.
Posted inEditors' Highlights

Arctic Sea Ice is Crucial for Forecasting Ural Blocking

by Yimin Liu 12 May 202221 December 2022

By solving the nonlinear optimization problem, sea ice concentration in Greenland, Barents and Okhotsk Seas is found crucial for prediction of strong and long-lasting Ural blocking formation.

Figure showing distribution of the March total column ozone in the Northern Hemisphere extratropics for (a, c) long-term mean (climatology) and (b, d) Arctic ozone loss events.
Posted inEditors' Highlights

Arctic Ozone Loss Brings Warming to the Near Surface

by Yan Xia 11 May 20227 September 2022

New research confirms that ozone loss over the Arctic can lead to widespread warming near the Artic surface during late winter and early spring.

Incendios arden sobre las montañas cerca del lago Elsinore, California, el 9 de agosto de 2018.
Posted inNews

Los incendios forestales empeorarán, advierte informe de la ONU

by Meghie Rodrigues 26 April 20227 September 2022

Desde el ecuador hasta el Ártico, es probable que aumenten los incendios forestales y que el cambio climático los empeore, según un nuevo informe de las Naciones Unidas. La acción todavía es posible, dicen los autores.

Weather instrumentation mounted on stands and towers in a grassy field.
Posted inScience Updates

Chronicling the Hottest, Coldest, Windiest, and Rainiest Weather

by Alex Sterin, Phillip Jones, Blair Trewin, Daniel Krahenbuhl and Randall S. Cerveny 5 April 20229 May 2022

The World Meteorological Organization verifies and documents record-setting temperatures, winds, lightning, and more, offering snapshots of Earth’s extremes and hints about its changing climate.

Fires burn over the mountains close to Lake Elsinore, Calif., on 9 August 2018.
Posted inNews

Wildfires Will Worsen, Warns U.N. Report

by Meghie Rodrigues 30 March 20227 September 2022

From the equator to the Arctic, wildfires are likely to increase, and climate change can make them worse, according to a new United Nations report. Action is still possible, say the authors.

This aerial image shows two researchers exploring a sunken spring in the middle of a gray and white icy landscape. One researcher, dressed in blue, crouches inside a circular hole in the ice while a second researcher, dressed in black, stands to the left taking a photo.
Posted inNews

Lipids from Europa’s Ocean Could Be Detectable on the Surface

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 March 202210 March 2022

A super salty spring in the Canadian Arctic provides insights key to detecting life on a distant ocean world.

Example of how, given the presence of aurora, an over-the-horizon radar based in Scotland might be used to track an aircraft at 10 km altitude in a region to the north.
Posted inEditors' Highlights

Can Aurora Enhance Radar Monitoring of Arctic Aviation?

by Michael A. Hapgood 2 February 202215 March 2022

Enhanced E-region ionization produced by the aurora can be used to reflect signals from over-the-horizon radars and thus enable those radars to better monitor aviation in Arctic regions.

Polygons created by melting permafrost
Posted inNews

More Fires, More Problems

by Danielle Beurteaux 1 February 202227 March 2023

Increasing incidents of wildfires in the Arctic are not only thawing permafrost but changing the entire underlying structure of the region.

Sea ice in the Arctic Ocean.
Posted inEditors' Vox

Tracking Heat Gains and Losses in the Nordic Seas

by Lars H. Smedsrud 31 January 20221 February 2022

The Nordic Seas experience influxes of warm water and losses of heat to the atmosphere with knock-on effects on sea ice, glacier retreat, and carbon dioxide uptake.

A GEOTRACES research vessel in the Arctic Ocean
Posted inResearch Spotlights

Diurnal Oxidation for Manganese Minerals in the Arctic Ocean

by Morgan Rehnberg 13 January 202213 January 2022

The relative abundance of different oxidation states for this important micronutrient varies on the basis of how much available sunlight there is.

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Features from AGU Publications

Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

Defining the Tropopause in Chemical Transport Models

8 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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