Time-Lapse of Measuring Streamflow
![Image: Time-Lapse of Measuring Streamflow](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/kev1.jpg?itok=WN27uU8W)
Detailed Description
This time-lapse photo shows the process that U.S. Geological Survey hydrographers use to measure streamflow across the cross-section of a wadeable river. USGS hydrographers follow standard, documented techniques and methods to ensure high-qualtiy, reliable data.
Sources/Usage
Public Domain.