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beaches, coasts, & shorelines

A dead tree rises from a pile of rocks, concrete, and bricks heaped along a shoreline. In the background, a flagpole stands with a United States flag and a North Carolina flag outstretched in the wind beside a gray house and under overcast skies.
Posted inScience Updates

Confronting Salty Problems in the Coastal Plain

by Kiera O’Donnell, Emily S. Bernhardt, Aeran Coughlin, Ken W. Krauss and Xi Yang 6 July 20266 July 2026

An interdisciplinary network of scientists and stakeholders is working to understand how saltwater intrusion and sea level rise are affecting rural communities and to help address the consequences.

Satellite image of the Ganges River Delta.
Posted inEditors' Highlights

Shoreline Migration, Sediment Accumulation, and Blue Carbon Storage

by Eileen Hofmann 29 June 202629 June 2026

Autogenic processes of sediment storage and erosion regulate shoreline movement and therefore, where coastal wetlands develop, setting up subsurface areas of preserved organic matter, blue carbon.

A sand bar on a beach is surrounded by water on both sides. A coastline with infrastructure is seen in the distance.
Posted inResearch Spotlights

Extensive Sand Dune Loss Threatens California Coast

by Saima May Sidik 26 June 202625 June 2026

Aerial photos combined with lidar data show the extent of the problem.

Sunlight streams through the canopy of a mangrove forest.
Posted inResearch Spotlights

Mangroves May Be Losing Their Grip on Carbon Storage as Sea Levels Rise

Sarah Derouin, Science Writer by Sarah Derouin 5 June 20263 June 2026

Locally, mangroves can sometimes adapt to rising seas, but global trends look troubling.

Close-up view of a cluster of living eastern oysters
Posted inNews

Oysters Clean Up More Nitrogen Pollution Than We Thought

by Lisa S. Gardiner 4 June 20264 June 2026

New research has revealed that significant amounts of excess nitrogen in coastal waters are buried as oyster reefs grow and that some reefs trap more nitrogen than others.

Aerial view of a small research boat sitting in blue-green water in front of glaciated mountains that rise steeply from the shoreline.
Posted inScience Updates

Melting Glaciers Make the Coastal Ocean More Sensitive

by Henry C. Henson 16 April 20261 May 2026

Fresh water from retreating ice does more than raise sea levels. It affects how the ocean responds to acidification and other environmental changes.

A dense urban development is seen on a shoreline. Ominous clouds herald the onset of a storm, and waves lap against the shore.
Posted inResearch Spotlights

How to Study Coastal Evolution

by Saima May Sidik 15 April 20261 May 2026

Researchers reviewed what’s known about how coastlines are changing and made recommendations for how to learn more.

Satellite image of a barrier island.
Posted inEditors' Highlights

What’s Under the Water Matters

by Enrica Viparelli 27 March 202626 March 2026

The fate of barrier islands in presence of sea level rise depends on their underwater shape.

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 large group of emperor penguins huddles together on Antarctic sea ice.
Posted inNews

Shrinking Sea Ice Is Ruffling Emperor Penguins’ Feathers

by Andrew Chapman 24 March 202624 March 2026

A scientist stumbled upon evidence of penguin molting sites in satellite data, but the sea ice these birds rely on is disappearing.

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

Patterned Frozen Soils Get Their Shape from Gravity and Funky Physics

9 July 20269 July 2026
Editors' Highlights

A Satellite-Based Global Carbon Flux Product is Sensitive to Droughts 

8 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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