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surface waves & tides

Large ships move cargo along the Yangtze River.
Posted inResearch Spotlights

How Tides and River Water Combine to Amplify Floods

by Nathaniel Scharping 14 July 202614 July 2026

Tidal subharmonics help push water levels higher in tidal rivers.

In a photo taken from a boat or dock, visible in the foreground, a red moon is reflected on the surface of a marsh. Green trees are in the background.
Posted inResearch Spotlights

Tracking 20 Years of Productivity in Tidal Wetlands

by Rebecca Owen 7 July 20267 July 2026

A new study suggests warming temperatures and increased solar radiation have boosted carbon fixation in tidal wetlands across the country.

Orange and blue tinted waves with sunlight glinting off the surface.
Posted inNews

What Winds Whip Up Otherworldly Waves?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 May 202621 May 2026

New research goes back to the basics to explain how atmospheric conditions affect the creation of wind-driven waves on other worlds.

Photo of the experimental flume used in the study.
Posted inEditors' Highlights

Gravity Waves Help Drive Sediment to the Deep Ocean

by Enrica Viparelli 23 April 20261 May 2026

Laboratory experiments reveal that gravity wave-turbidity current interactions (combined flows) can enhance sediment transport to the deep ocean.

A circular map centered around Antarctica shows the Southern Ocean surrounding the continent.
Posted inResearch Spotlights

How Internal Waves Transport Energy Thousands of Miles Across the Ocean

by Nathaniel Scharping 26 March 202626 March 2026

For the first time, researchers model energy fluxes from these large-scale underwater waves in and around the Southern Ocean.

A squat palm tree stands beside an old blue tarp and other plastic debris littering a patch of rocky beach shoreline beside a stretch of pale blue ocean.
Posted inScience Updates

Tracking Microplastics Above and Below the Waves

by Salvador Reynoso-Cruces and Harry Alvarez-Ospina 25 March 20261 July 2026

Measuring plastic particles carried on Cozumel’s sea breezes and ocean currents reveals how simple physics shapes the particles’ pathways and the impacts they may have on coastal regions.

A blue and white sign depicting large waves approaching a shoreline as a stick figure person runs away is affixed to fencing near the shoreline. Waves crash against rocks in the background.
Posted inOpinions

When Should a Tsunami Not Be Called a Tsunami?

by Diana J. M. Greenslade and Matthew C. Wheeler 8 December 202526 February 2026

It’s time to redefine the term so it more clearly conveys meaningful risks to coastal communities and prompts them to act when needed.

A rover sits atop a rocky ridge on Mars, under pink skies.
Posted inNews

Sediments Hint at Large Ancient Martian Moon

Damond Benningfield, Science Writer by Damond Benningfield 20 November 202526 November 2025

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times the mass of Phobos, a study says.

Aerial photo of San Francisco Bay.
Posted inEditors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

by Bas van Maren 19 November 202519 November 2025

Reclamation of tide-influenced areas has a large impact on coastal environments through gradual modification of tidal dynamics, erosion, and siltation.

Two people stand atop a grassy oceanside cliff, looking at a chunk of land that’s broken off.
Posted inResearch Spotlights

Lab Setup Mimics Arctic Erosion

by Saima May Sidik 14 November 202514 November 2025

The new methodology gave researchers valuable insights into why Arctic shorelines are crumbling.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Australian Lakes Showed Us About Martian Hydrology

27 July 202627 July 2026
Editors' Highlights

Enhancing Induced Seismicity: A New Window into Earthquake Physics

28 July 202627 July 2026
Editors' Vox

The Hidden Costs of Mining River Sand

27 July 202627 July 2026
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