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Editors’ Highlights

Photo of a rock outcrop.
Posted inEditors' Highlights

Remagnetization Illuminates Tectonic Consolidation of Megacontinents

by Agnes Kontny 31 March 202527 March 2025

New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.

Satellite image of clouds.
Posted inEditors' Highlights

Machine Learning Provides a New Perspective of Low-level Clouds

by Doris Folini 28 March 202527 March 2025

Low-level clouds over the oceans, extensively studied for their role in climate change, are re-examined from a new perspective that applies machine learning to radar observations.

Photo of Earth's atmospheric layers with the moon in the background.
Posted inEditors' Highlights

Better Monitoring is Needed for Climate Change in the Upper Atmosphere 

by Donald Wuebbles 27 March 202526 March 2025

A new commentary calls for a better understanding of the impacts of climate change and anthropogenic emissions on long-term trends of the middle and upper atmosphere through enhanced observations and monitoring capabilities.

Diagram from the study.
Posted inEditors' Highlights

Peatland Plantations in Southeast Asia are Carbon Hotspots

by Valeriy Ivanov 26 March 202526 March 2025

A new study reports a rare set of data on greenhouse gas production and transport for a tropical peatland plantation showing exceptionally high concentrations of dissolved organic carbon.

4 maps of Antarctica with different model results projected onto them.
Posted inEditors' Highlights

Subglacial Hydrology Under the Antarctic Ice Sheet

by Minghua Zhang 25 March 202525 March 2025

Using simulations of subglacial hydrology, a new study shows the volume and movement of meltwater underneath the Antarctic Ice Sheet.

Diagram of the model presented in the paper.
Posted inEditors' Highlights

Hawai’i’s Depleted Peridotite Delivers More Magma

by Vincent Salters 24 March 202524 March 2025

The source for the isotopically-enriched Hawaiian magmas contains peridotites that experienced near-surface melting prior incorporation in the plume.

A photo of lightning bolts being emitted from a storm cloud.
Posted inEditors' Highlights

Rapid Thunderstorm Charging Produces Strong Gamma‐Ray Glows

by Xiushu Qie 21 March 202520 March 2025

A new study explains how thunderstorm electric fields produce strong gamma‐ray glows with oscillating gamma‐ray rates, and that these oscillations develop into intense pulse trains that closely resemble terrestrial gamma-ray flashes.

aerial image of the surface of Lirung Glacier, Nepal.
Posted inEditors' Highlights

The Complex Evolution of Debris-Covered Glacier Surfaces

by Ann Rowan 20 March 202520 March 2025

A first look at how the surfaces of debris-covered glaciers evolve over time from six years of drone surveys in the Nepal Himalaya.

Photo of a river
Posted inEditors' Highlights

Carbon-Nutrient Ratios Drive Nitrate Removal in Mediterranean Streams

by Kyle Boodoo and Suzanne Tank 19 March 202519 March 2025

The type of organic matter, and ratio of nutrients to carbon, impact the ability of heterotrophic bacteria to effectively remove certain forms of nitrogen pollution (nitrate) from streams.

Graph and map from the study
Posted inEditors' Highlights

How (Slow) Earthquakes Get Going

by Thorsten W. Becker 17 March 202517 March 2025

Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process interactions control nucleation.

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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

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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