A rediscovered catalog of sockeye scales gave researchers access to century-old fish DNA.
rivers
Posted inResearch Spotlights
High Water Levels Cause Problems for Mississippi Shipping
Source: Geophysical Research Letters Droughts’ effect on the navigability of rivers is well documented: During the summer and fall of 2022, barges in the Mississippi River were left stranded, raising concerns about increased shipping costs for key products. Between 2015 and 2019, barges carried an average of 400 million tons of goods along the Mississippi […]
Posted inEditors' Highlights
How Good a Recycler is the Himalaya?
Researchers use sediment recycling to their advantage to calculate how fast the hills at the front of the Himalaya are eroding based on the concentration of rare elements in river sands.
Posted inEditors' Vox
River Damming: How it Harms Fish and What Can Be Done
The severe impacts of river damming on fish habitats have aroused widespread attention, prompting major conservation measures to help mitigate these negative effects.
Posted inEditors' Highlights
Modeling Braided Rivers in Presence of Exotic Weeds and Dams
Numerical modeling can help with identifying the combined effects of weed growth, flood frequency, and magnitude on gravel bed rivers.
Posted inScience Updates
Un enfoque holístico de los datos hidroeléctricos
Una nueva plataforma en línea ofrece extensos datos y herramientas sobre los recursos hidroeléctricos de EE. UU., lo que permite tomar decisiones basadas en datos en el nexo energía-agua.
Posted inNews
Global Water Loss Happens Almost Entirely in the Southern Hemisphere
A recent study suggests that the Southern Hemisphere not only is more vulnerable to climate change but also loses significantly more water than the Northern Hemisphere.
Posted inEditors' Highlights
Revealing a Catchment’s Erosional Secrets: Grain Size Matters
A provenance study with 699 new samples from 12 different sediment grain sizes (from sand to boulder) shows that each fraction originates from distinct parts of a mountain catchment in California.
Posted inResearch Spotlights
Gently Down the Stream: Carbon’s Journey from Land to Sea and Beyond
Movement of carbon from land to ocean and atmosphere plays an important, but understudied, role in the global carbon cycle.
Posted inNews
Rivers Are Warming Up and Losing Oxygen
Researchers used deep learning to fill in the gaps of “patchy” water quality data, revealing decades-long trends toward warmer and less oxygenated rivers that could have worrisome consequences.