Rivers transport sediment to the coast, but how much gets offshore is a mystery. A new study shows that deltas retain 28% of the global riverine sediment discharge with most trapped in large deltas.
rivers
Posted inNews
U.S. River Sediment Transport Is Becoming “Burstier”
The time frame in which U.S. rivers move most of their sediment has compressed significantly, which could have implications for water treatment, aquatic habitats, erosion, and harmful algal blooms.
Posted inEditors' Highlights
Melting Permafrost Impacts Arctic Rivers in Vulnerable Regions
Changes in river chemistry in the northwestern North American Arctic reflect increased acid rock drainage associated with permafrost thaw, an unexpected consequence of Arctic warming.
Posted inOpinions
Prioritizing Quality Before Synthesis in Paleoenvironmental Hazard Science
The field needs methodological and workforce development. A proposed new center should invest there first.
Posted inNews
The Colorado River Basin Is Running Out of Water. Not Everyone Is Happy with the Government’s Suggested Solution.
Though overallocation is one reason the river is shrinking, reduced snowpack and increased evaporation caused by climate change are also contributing factors.
Posted inEditors' Highlights
Why Channel Steepness Might Not Always Be What You Think it to Be
Channel steepness is a popular metric in most studies of tectonic geomorphology, but the simple and convenient method of defining channels in the first place may have overlooked a serious pitfall.
Posted inEditors' Highlights
Streamflow From Generative AI
The trifecta of predicting, assimilating, and downscaling streamflow has arrived with generative diffusion AI models.
Posted inOpinions
A Hybrid Approach for Revealing Headwater Hydrology
Coordinated work to compile existing data and apply models pairing physical understanding with machine learning could substantially improve streamflow predictions for little-known headwater basins.
Posted inEditors' Vox
The Hidden Costs of Mining River Sand
River sand and gravel fuel global construction, but their extraction is reshaping rivers, ecosystems, and communities faster than sustainable management can keep pace.
Posted inResearch Spotlights
How Tides and River Water Combine to Amplify Floods
Tidal subharmonics help push water levels higher in tidal rivers.