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rivers

Logjam in the Middle Fork Snoqualmie River located in Washington
Posted inNews

From River to Sea: Estimating Wood Cascades

by Carolyn Wilke 21 January 202227 March 2023

Dams and deforestation have chipped away at the millions of cubic meters of wood that flow through rivers and out to sea.

Cataracts of the Nile River located between Khartoum, Sudan, and Aswan, Egypt
Posted inResearch Spotlights

Recovering Mantle Memories from River Profiles

Kate Wheeling, freelance science writer by Kate Wheeling 14 January 20224 August 2023

Researchers use a closed-loop modeling strategy to validate regional uplift patterns recorded in river profiles across the African continent.

A black-and-white photograph of a river.
Posted inNews

What a Gold Mining Mishap Taught Us About Rivers

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 13 January 202227 March 2023

Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.

The Amazon River and its tributaries as seen from the International Space Station
Posted inResearch Spotlights

The Perspective from Space Unlocks the Amazon Water Cycle

Aaron Sidder, freelance science writer by Aaron Sidder 23 December 202126 April 2022

Satellite imaging and remote sensing offer unique insights into the Amazon’s complex hydrology. A new review summarizes decades of findings and charts a path forward for new remote sensing missions.

Under a cloudy sky, numerous blue-tipped sand mining ships dot the green-blue waters of the Mekong River.
Posted inNews

Satellites Spy on Sand Mining in the Mekong

by Alka Tripathy-Lang 21 December 202110 January 2022

Concrete, used in everything from streets to skyscrapers, needs sand, often mined from active rivers in developing countries with little oversight. Researchers can now use satellites to keep watch.

Posted inEditors' Highlights

What Controls Nitrous Oxide Emissions from Rivers?

by Nicolas Gruber 22 November 202128 March 2022

Statistical and numerical models show that denitrification efficiency is a key parameter controlling the production of N2O from rivers, providing a target for river restoration projects.

Canoers paddle along the Anacostia near Kenilworth Park in Washington, D.C.
Posted inFeatures

The Capital’s Waterways Could Be Swimmable by 2030

Mark Betancourt, Freelance Journalist by Mark Betancourt 22 November 202124 November 2021

Scientists, community groups, and the Clean Water Act are behind Washington, D.C.’s massive project to reduce combined sewer overflows by 96%.

The Darling River in Australia during a flood in 2012
Posted inResearch Spotlights

Identifying the World’s Most At-Risk River Basins

by Emily Cerf 3 November 202119 October 2022

Major river basins around the world, including the Amazon, may be hot spots for ecological shifts as the planet warms.

River ice during the winter in the Little Southwest Miramichi River (Tooadook in Mi’kmaq) located in New Brunswick, Canada.
Posted inResearch Spotlights

River Ice Can Shape Watershed Ecology

Sarah Derouin, Science Writer by Sarah Derouin 29 October 20218 August 2022

As river ice cover decreases, the physical and biological changes to river ecosystems vary with the watershed characteristics and river size.

A stream in autumn with trees and vegetation along both banks, with an old barn and agricultural fields in the background.
Posted inNews

Scientists Call for Policies to Buffer Agricultural Runoff

by Jady Carmichael 22 October 202129 March 2023

By reviewing 44 studies, researchers make a scientific case for regulating agricultural pollution of streams and rivers by implementing conservation practices, including riparian buffer zones.

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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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