Stream gaging sure was a dapper occupation at the turn of the century! Here’s the various techniques United States Geological Survey hydrologists used to measure current without even dipping a toe ...
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 frustrated attempts of a UCLA graduate student to quantify the amount of water draining from Greenland's melting ice sheet led him to devise a new way to measure river flows from outer space, he ...
No audio available for this content. 2019 Aquatic Airshow participants at Androscoggin River in Auburn, Maine, on May 1. (Photo: Mario Martin-Alciati, USGS) The U.S. Geological Survey (USGS) and ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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