According to the organization, an estimated 30,000 dump truck loads of sediment settle in Lake Powell daily, reducing its storage capacity by nearly 7 percent since its creation. "In the long term ...

A rocky start to the year has put water flows through America's second-largest reservoir on track to decline, unless ...

Most of the trapped sediment settles to the bottom in the upper reaches of Lake Powell and is permanently blocked from moving downstream. The goal of this week's high-energy flood is to scoop up ...

“It’s past time for federal agencies to plan for endangered fish recovery in the context of the coming day when Lake Powell ceases to exist and sediment-rich warm water again flows regularly through ...

Brian Powell and student Tara Matheny collect sediment samples from Lake Hartwell to perform sediment dating using 210Pb isotopes. Disclaimer: AAAS and EurekAlert! are not responsible for the ...