The U.S. Geological Survey used a drone last week to measure streamflows in the Roaring Fork and Colorado rivers. The crow-sized quadcopter buzzed 100 to 200 feet above the rivers, filming the water’s ...

The top of the atmosphere is the agreed-upon border between Earth’s atmosphere and outer space. Satellites traverse this space, facilitating global communications and imaging the planet, measuring ...

David Hill is a professor at OSU in its Water Resources program. He said snowpack was traditionally measured at its usual peak, on April 1. Instead, “We chose an approach that is a little bit more ...