The U.S. Postal Service has issued a new set of Forever postage stamps that feature evocative photos of some of the rivers protected by the U.S. National Wild and Scenic Rivers System.
rivers
Posted inNews
Where Did All the Free-Flowing Rivers Go?
A map of the world’s free-flowing rivers shows a shrinking number can still meander as they please. New plans for hydropower will further constrain flow.
Posted inEditors' Highlights
Enabling Dynamic, Regional-Scale Modelling of Outburst Floods
The GeoClaw model is used to simulate a landslide-dam outburst flood through rugged Himalayan topography.
Posted inResearch Spotlights
Modeling River Boulders to Improve Hydropower Sustainability
Large stones in streams provide crucial habitat for fish. Modeling the boulders and streamflow offers fresh insights into how water engineering projects alter aquatic habitats.
Posted inResearch Spotlights
Understanding Stream Metabolism with Reactive Tracers
When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.
Posted inResearch Spotlights
Antarctica’s Seasonal Streams Contribute Iron to the Ross Sea
Analysis of nutrient concentrations in four streams that discharge to the Southern Ocean indicates they are important sources of iron and phosphorous for coastal phytoplankton communities.
Posted inResearch Spotlights
Through Flood and Drought: Reconstructing the Yellow River
Tree ring chronologies fill in gaps in the historical record and offer insights into the natural flow of China’s Yellow River.
Posted inNews
Largest Delta Plain in Earth’s History Discovered in Arctic
If this Triassic period delta existed today, its footprint would equal about 1% of all land on Earth.
Posted inFeatures
The Renaissance of Hydrology
Hydrology has evolved as a transdisciplinary, data-driven science in a remarkably short period of time.
Posted inNews
Ancient River Discovery Confirms Mediterranean Nearly Dried Up in the Miocene
Sedimentary deposits reveal a Nile-sized river system flowing from what are today Turkey and Syria.