Samples from two waterways in northern Siberia—the main stem of the Kolyma River and a headwater stream in the river’s watershed—indicate the differing sources and ages of carbon they contain.
rivers
Posted inResearch Spotlights
Finding Natural Solutions to Man-Made Problems in River Deltas
Decades of research on river deltas identify gaps in our knowledge of delta behavior and the tools required to fill them in.
Posted inResearch Spotlights
River Deltas at the Top of the World
The water that filters through river deltas has a large effect on the Arctic Ocean. A new study explores factors that shape Arctic river deltas and how delta form in turn changes water flow.
Posted inFeatures
High Water: Prolonged Flooding on the Deltaic Mississippi River
Changing climate and land use practices are bringing extended periods of high water to the lower Mississippi River. New management practices are needed to protect people, industry, and the land.
Posted inOpinions
It’s Time to Revise Estimates of River Flood Hazards
Accurately assessing flood hazards requires a better understanding of the feedbacks between natural and human influences on the characteristics of rivers.
Posted inEditors' Highlights
Representing Estuaries and Braided Rivers as Channel Networks
The human eye is quite good at identifying channel networks among the rich patterns exhibited by estuaries and braided rivers, but computers have a harder time doing so. Could they do better?
Posted inNews
River Ice Is Disappearing
Over the past 3 decades, the persistence of river ice has decreased by almost a week. The decrease in ice has important implications for ecology, climate, and the economy.
Posted inOpinions
Science Gets Up to Speed on Dry Rivers
Nonperennial rivers are a major—and growing—part of the global river network. New research and science-based policies are needed to ensure the sustainability of these long-overlooked waterways.
Posted inNews
Europe’s Rivers Are the Most Obstructed on Earth
By analyzing satellite imagery of rivers worldwide, researchers have pinpointed over 35,000 obstructions like dams and locks that affect an environment’s ecology, hydrology, and water resources management.
Posted inNews
Scientists Search for Deltas on Saturn’s Largest Moon
Saturn’s moon Titan has rivers that empty into seas…but where are the deltas?