Developing the Flume

Noticing problems with stream flow measurements, Parshall developed the Parshall Flume to better measure such flows. The flume, when placed in a channel, measures the flow of the water as it uniquely relates to water depth.

Ralph Parshall, taking Flume measurements (Copyright © 1946 CSU/Photography and Digital Imaging)

Ralph Parshall, taking Flume measurements
(Copyright © 1946 CSU/Photography and Digital Imaging)