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 ...

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 ...

Photo: CU-Boulder aerospace engineering sciences Professor Kristine Larson. A research team led by the University of Colorado at Boulder has found a clever way to use traditional GPS satellite signals ...

Different types of sprinklers have different flow rates of water. To determine your sprinkler’s flow rate, measure the output with a rain gauge or straight-sided can. Adele Wilcoxen More typical ...

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 ...