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beaches, coasts, & shorelines

Super Typhoon Lekima imaged from space by a NASA satellite
Posted inResearch Spotlights

Radar Tracks Unfortunate Creatures Trapped in Tropical Cyclones

by Nathaniel Scharping 27 September 20235 December 2023

Cyclones can sweep up birds and insects and transport them great distances.

Foto de una duna de arena cubierta con plantas en la playa
Posted inNews

Las plantas construyen dunas pero pueden acelerar la erosión durante tormentas fuertes

by Carolyn Wilke 5 September 20235 September 2023

Cuando las olas golpean las dunas con vegetación, se forman áreas anegadas frente a las plantas, lo que facilita que la arena sea arrastrada por la corriente más fácilmente. Sin embargo, las plantas aún son necesarias para formar las dunas en primera instancia.

World map showing geographic distribution of coastal adaptation studies.
Posted inEditors' Highlights

Gaps and Challenges in Coastal Adaptation Research

by Gonéri Le Cozannet 22 August 202322 August 2023

A new study reviews 650 empirical studies on coastal adaptation, revealing knowledge gaps on its implementation, policy, governance, and economic contexts, especially in the Global South.

A photo of a sand dune covered with plants on a beach
Posted inNews

Plants Build Dunes but Can Speed Erosion During Severe Storms

by Carolyn Wilke 28 July 20235 September 2023

When waves hit vegetated dunes, waterlogged areas form in front of plants, making for sand that’s easier to wash away. But you still need plants to form dunes in the first place.

A red tide washes over a Florida beach.
Posted inFeatures

Florecimientos de algas nocivas: nada bueno, solo lo malo y lo feo

by James E. Silliman 20 July 202320 July 2023

Diversos factores humanos y naturales están generando florecimientos de algas nocivas cada vez más frecuentes y prolongados. Estudios recientes han comenzado a revelar la magnitud del problema y nos informan sobre soluciones potenciales.

Photo of a flooded neighborhood.
Posted inEditors' Vox

Unlocking the Secrets of Floods: Breakthroughs in Riverine and Coastal Modeling

by Keighobad Jafarzadegan, Hamed Moftakhari and Hamid Moradkhani 5 July 20235 July 2023

To enhance flood modeling, it is imperative to gain a comprehensive understanding of the causative mechanisms and cutting-edge models and tools, while also acknowledging their uncertainties. 

Small waves crashing on the coast with a city skyline in the background.
Posted inNews

Supersized Potholes Discovered off South African Coast

by J. Besl 8 June 20238 June 2023

Curious circular pits off South Africa’s Eastern Cape coast are larger than any similar feature previously recorded. Their origin remains a morphological mystery.

Two hurricanes shown against a dark ocean. A chain of small islands is visible on the left.
Posted inNews

Back-to-Back Hurricanes Could Become Common by 2100

by Nathaniel Scharping 30 March 202330 March 2023

New research shows back-to-back hurricanes could strike the United States every few years by 2100.

A red plane flies against clear blue skies over white ice. Mountains can be seen in the background.
Posted inResearch Spotlights

How Thick Is Antarctic Ice, and What Is Underneath?

by Saima May Sidik 22 February 202322 February 2023

Scientists used electromagnetic fields to determine the thickness of fast ice.

Riverbed construction
Posted inFeatures

Grains of Sand: Too Much and Never Enough

by Alka Tripathy-Lang 25 January 202317 February 2023

Sand is a foundational element of our cities, our homes, our landscapes and seascapes. How we will interact with the material in the future, however, is less certain.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

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Research Spotlights

Understanding Flux, from the Wettest Ecosystems to the Driest

24 November 202524 November 2025
Editors' Highlights

Climate Variations in Tropical Oceans Drive Primarily Extreme Events

1 December 20251 December 2025
Editors' Vox

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

19 November 202519 November 2025
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