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watersheds

A windswept, snow-covered alpine pass with mountains in the background under a blue sky
Posted inFeatures

Satellite Radar Advances Could Transform Global Snow Monitoring

by Randall Bonnell, Jack Tarricone, Hans-Peter Marshall, Elias Deeb and Carrie Vuyovich 24 December 202524 December 2025

The recent SnowEx campaign and the new NISAR satellite mission are lighting the way to high-resolution snowpack monitoring and improved decisionmaking in critical river basins around the world.

A handful of people standing in a broad grassy area use a tall tool to collect a soil core. Behind them is a row of evergreen trees and a blue sky.
Posted inNews

Blending Science and Indigenous Knowledge to Tell an Estuary’s Story

by Stella Mayerhoff 23 December 202523 December 2025

A new study of nutrient levels in soil cores supports oral Indigenous history, informing future estuary restoration efforts.

A small river bordered by rocky beaches and trees, which are also reflected in the river.
Posted inResearch Spotlights

Watershed Sustainability Project Centers Place-Based Research

by Madeline Reinsel 4 December 20254 December 2025

A community science project supports an innovative watershed management plan.

Drone image of beaver pond complex in Wyoming. A group of around five humans stands on a rock near the pond’s edge on a sunny day. Green wetland vegetation rings the open ponds of water, with beaver dams visible across the stream. Vegetation on either side of the stream is in drier conditions, visible by species and color of soil and plants.
Posted inNews

What Makes Beaver Ponds Bigger?

by Mack Baysinger 18 September 202518 September 2025

For the first time, researchers are able to add hydrologic estimates to find where reintroducing beavers could best benefit a watershed and the humans who live within it.

The floor of a foggy forest is covered in orange and brown leaves. In the middle distance, two researchers are taking measurements of a narrow stream.
Posted inResearch Spotlights

The “Surprising” Effect of Drying Headwaters on Nitrogen Dynamics

by Saima May Sidik 15 April 202515 April 2025

Contrary to predictions, spring rains caused a decrease in nitrogen at watershed outflows in Alabama.

Map of a study region and photo of a canoe in a river.
Posted inEditors' Highlights

Strange Branching of Water Flows Through Rivers and Lakes

by Georgia Destouni 8 April 20253 April 2025

Sometimes rivers split into branches in unusual ways, reflecting the complexity of Earth’s water system on land and how much we still must learn about it.

China’s Yellow River flowing in a large valley
Posted inResearch Spotlights

Tracing Metals from Earth to Water to Life in the Yellow River

by Nathaniel Scharping 29 January 202529 January 2025

The mix of metals in China’s Yellow River stays relatively similar as it moves from the upper continental crust to biological life.

View of a wide creek surrounded by trees
Posted inNews

Mobile Bay Has More Branching Brooks Than Shown on Federal Maps

by Mark DeGraff 16 December 202416 December 2024

A more accurate charting of the full extent of stream networks will help land managers better protect U.S. creeks and rivers.

A satellite image of an atmospheric river over the ocean heading toward California
Posted inNews

California Storms Recharged Watersheds, Geodesy Data Reveal

by Caroline Hemphill 13 December 202413 December 2024

The atmospheric rivers that soaked the state in early 2023 released enough water to warp the ground and douse a deep drought.

Photo of a rocket launch
Posted inEditors' Highlights

Improvements to Measuring the Ups and Downs of the Landscape

by Dennis Baldocchi 8 November 20247 November 2024

If you are a jazz fan, you may be familiar with Ella Fitzgerald singing ‘How deep is the ocean, how high is the sky’. Using data from the Shuttle Radar Topography Mission we now know how high the land really is.

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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.

Features from AGU Publications

Research Spotlights

An Ecosystem Never Forgets

19 December 202519 December 2025
Editors' Highlights

Frictional Properties of the Nankai Accretionary Prism

11 December 20259 December 2025
Editors' Vox

Hydrothermal Circulation and Its Impact on the Earth System

3 December 20253 December 2025
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