Urban streams in semi-arid Denver have 2.5 times more streamflow than nearby grassland streams. Where is this extra streamflow coming from? Our tracer uses the fact that Denver’s tap water is imported ...

The Western U.S. is undergoing notable transformations in its hydrological patterns, distinguished by rising variability and recurrent “whiplash” shifts between extreme wet and dry phases. Our ...

Atmospheric warming is reducing snowpack, with uncertain effects on mountainous streamflow, a crucial water resource. Despite limited historical observations of groundwater–streamflow interactions ...

The Colorado River makes life possible in many Western cities and supports agriculture that sustains people throughout the country. Most of the river's water begins as snowmelt from the mountainous ...

There is a cynical trick being played by some climate activists to promote misinformation and undercut the assessments of the Intergovermental Panel on Climate Change (IPCC) as they lobby for changes ...

Rock glaciers, characterized by a rocky active layer insulating a deforming, ice-rich core, are an often-overlooked component of the cryosphere in alpine watersheds. Ablation of the underlying icy ...

Researchers at UC San Diego’s Scripps Institution of Oceanography investigated the history of Southern California climate using a unique dataset collected at the iconic Ellen Browning Scripps Pier in ...

Despite much needed precipitation in May, streamflow across the Yampa River Basin is dropping dramatically. The Colorado ...