USGS employee prepares unmanned aerial vehicle for takeoff
![USGS employee prepares unmanned aerial vehicle for takeoff](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/John%20and%20drone_0.jpg?itok=14EUpdtI)
Detailed Description
USGS employee John Fulton prepares an unmanned aerial vehicle for take off. This particular drone referred to as "Q-Cam" measures surface water stream velocity. Combined with a second drone, non-contact discharge measurements can be made. This technology is part of the USGS Next Generation Water Observing System in the Delaware River Basin.
Sources/Usage
Public Domain.