Scientists traced the path of groundwater in the Rocky Mountains, from snowpack to faucet, and found the true length of the ...

Wildfires can lessen the soil’s ability to absorb water, so when thunderstorms, rapid snowmelt, atmospheric rivers ... using data from drier areas in the West, where debris flows have been ...

Scientists mapped the flow of water through every ... Slower flows also mean rivers have less power to move sediment, made up of dirt and small rocks. This has big impacts further downstream ...

documents a 6 to 10 degree latitudinal shift in atmospheric river patterns over the past 40 years. These weather phenomena, while perhaps best known for drenching the U.S. West Coast, play a vital ...

In the West, ephemeral streams flow only for four to 46 days per year on average, but contribute up to 79 percent of the downstream river flow, the study found. Ephemeral streams contribute ...

Only about one-third of the world’s longest rivers remain free-flowing, meaning they have not been dammed or disrupted in man-made ways, reports a new landmark study. While there are a few ...