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surface waves & tides

A green riverbank and a building are visible behind a river.
Posted inResearch Spotlights

Tracing Black Carbon’s Journey to the Ocean

Aaron Sidder, freelance science writer by Aaron Sidder 11 July 202510 July 2025

Scientists surveyed a trio of estuaries in pursuit of a missing source of oceanic dissolved black carbon.

A photo of bubbles near the ocean’s surface, taken from underwater
Posted inResearch Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

by Saima May Sidik 8 July 20258 July 2025

A new model accounting for the role of bubbles in air-sea gas exchanges suggests that ocean carbon uptake is more variable than previously thought.

Fine-grained sand on the ocean floor, marked by the rippling movement of currents
Posted inResearch Spotlights

Mapping the Ocean Floor with Ancient Tides

Aaron Sidder, freelance science writer by Aaron Sidder 6 May 20256 May 2025

A new study uses a paleotidal model to trace the formation of carbon-rich mud deposits over thousands of years.

A dirt road curves into the distance. On either side are trees and brush.
Posted inResearch Spotlights

Flood Prediction Could Boost Road Resilience off Georgia’s Coast

Sarah Derouin, Science Writer by Sarah Derouin 2 May 20252 May 2025

Researchers and community members worked together to develop recommendations for how Little Cumberland Island can mitigate flooding hazards.

Illustration of a satellite observing various events on the Earth's surface.
Posted inEditors' Vox

Unlocking the Power of Synthetic Aperture Radar for Geosciences

by Lingsheng Meng, Chi Yan and Xiao-Hai Yan 29 October 202428 October 2024

Due to its unique ability to monitor Earth’s surface, Synthetic Aperture Radar plays a pivotal role in revolutionizing the geosciences.

Map of the Southern Ocean
Posted inEditors' Vox

An All-Community Push to “Close the Loops” on Southern Ocean Dynamics

by Luke G. Bennetts, Callum J. Shakespeare and Catherine A. Vreugdenhil 12 September 202412 September 2024

A new study highlights the connected nature of the Southern Ocean dynamic system, the research priorities needed to understand its influence on climate change, the importance of cross-disciplinary collaborations.

A dark body, which is one of the seas on Titan, is outlined by golden, jagged material on the coastline.
Posted inNews

Waves May Be Crashing on Titan’s Shores

Damond Benningfield, Science Writer by Damond Benningfield 24 July 202424 July 2024

A new study suggests that wind-driven waves could be sculpting the coastlines of the lakes and seas on Saturn’s largest moon.

Repeating rainbow lines overlain on a grayscale topographic map of a section of Thwaites Glacier
Posted inNews

Radar Data Show Thwaites Gets a Daily Bath of Warm Seawater

by Anupama Chandrasekaran 27 June 202427 June 2024

The Doomsday Glacier, predicted to raise global sea level by more than half a meter, could be exposed to more warm ocean water than previously thought.

A ring of yellow light in an otherwise black sky.
Posted inFeatures

The End of the Eclipse

Damond Benningfield, Science Writer by Damond Benningfield 26 March 202412 February 2025

Scientists are studying how the Earth–Moon distance has changed over time, and what effect that change might have had on our planet. Future changes will extinguish total solar eclipses entirely.

Global map with dots.
Posted inEditors' Highlights

Where and How Sea-Level Rise Threatens Coastal Areas and Communities

by Alberto Montanari 19 March 202418 March 2024

To better understand how sea-level rise threatens coastal areas, scientists propose a new indicator to estimate the risk of coastal flooding under climate change.

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Features from AGU Publications

Research Spotlights

Tracing Black Carbon’s Journey to the Ocean

11 July 202510 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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