Dams and deforestation have chipped away at the millions of cubic meters of wood that flow through rivers and out to sea.
rivers
Posted inResearch Spotlights
Recovering Mantle Memories from River Profiles
Researchers use a closed-loop modeling strategy to validate regional uplift patterns recorded in river profiles across the African continent.
Posted inNews
What a Gold Mining Mishap Taught Us About Rivers
Miners in Alaska rerouted a river to search for gold. One hundred years later, the new channel is teaching scientists how rivers shape Earth.
Posted inResearch Spotlights
The Perspective from Space Unlocks the Amazon Water Cycle
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.
Posted inNews
Satellites Spy on Sand Mining in the Mekong
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?
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.
Posted inFeatures
The Capital’s Waterways Could Be Swimmable by 2030
Scientists, community groups, and the Clean Water Act are behind Washington, D.C.’s massive project to reduce combined sewer overflows by 96%.
Posted inResearch Spotlights
Identifying the World’s Most At-Risk River Basins
Major river basins around the world, including the Amazon, may be hot spots for ecological shifts as the planet warms.
Posted inResearch Spotlights
River Ice Can Shape Watershed Ecology
As river ice cover decreases, the physical and biological changes to river ecosystems vary with the watershed characteristics and river size.
Posted inNews
Scientists Call for Policies to Buffer Agricultural Runoff
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.