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beaches, coasts, & shorelines

A red horse stands in a marsh, up to its knees, and looks back at the camera.
Posted inNews

What Salty Water Means for Wild Horses

by Rebecca Owen 21 November 20252 March 2026

New research monitors how saltwater intrusion is affecting the behaviors of Shackleford Banks’s wild horses.

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.

Close-up image of a turquoise breaking wave
Posted inNews

Scientists Tune In to the Ocean’s Sound Waves

by Andrew Chapman 16 October 202516 October 2025

A new technique detects inaudible acoustic signals from crashing waves, opening up possibilities for monitoring sea and atmospheric conditions from shore.

A man crouches on the deck of a ship. He is wearing latex gloves and collecting a water sample from a tank.
Posted inNews

Panama’s Coastal Waters Missed Their Annual Cooldown This Year

by Katherine Bourzac 15 October 202515 October 2025

The unprecedented failure of tropical upwelling will likely affect the country’s fisheries. Scientists aren’t certain whether it will happen again next year.

Research scientist Kelly Hondula gathers water samples from submarine groundwater discharge sites along the Hawaiian coast.
Posted inNews

Pinpointing Sewage Seeps in Hawaii

by Anna Napolitano 9 October 20259 October 2025

Cesspools and septic systems, as well as coastal development, put Hawaiian coastal waters at risk of contamination.

A beach in the Florida Keys
Posted inNews

Shallow Injection Imperfectly Filters Florida Wastewater

by Caroline Hasler 26 September 202526 September 2025

Injection of wastewater into shallow wells is meant to filter nutrients like nitrogen and phosphorus out of the wastewater. But a new study suggests that nutrients aren’t entirely eliminated—and may be polluting coastal waters.

Two men in a Zodiac navigate icy waters.
Posted inNews

A Fiber-Optic Cable Eavesdrops on a Calving Glacier

by Carolyn Wilke 22 September 202522 September 2025

A glass thread strung along the bottom of a fjord captured the entire process of calving, from the cracking of ice to the breakup of bergs.

Photo of sand ripples underwater.
Posted inEditors' Highlights

A First Look at How Sand Behaves Inside a Rippled Bed

by Ryan P. Mulligan 11 September 202511 September 2025

A detailed numerical model shows how sediment particles experience wave-driven shear stress inside and above a sea bed with sand ripples.

Three researchers stand on a cloudy beach, examining a set of lidar equipment.
Posted inNews

Inside a Georgia Beach’s High-Tech Fight Against Erosion

by Emily Jones 2 September 20252 September 2025

Armed with drones and lasers, scientists are creating detailed 3D maps of Tybee Island’s shifting shoreline.

Posts pagination

Newer posts 1 2 3 4 5 … 27 Older posts
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

Rising CO2 Alters Upper Atmosphere Response to Stratosphere Sudden Warming

29 July 202627 July 2026
Editors' Vox

The Hidden Costs of Mining River Sand

27 July 202627 July 2026
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