Measuring discharge with acoustic doppler current profilers from a moving boat.: En56-302/2021E-PDF

"The use of acoustic Doppler current profilers (ADCPs) from a moving boat is now a commonly used method for measuring streamflow. The technology and methods for making ADCP-based discharge measurements are different from the technology and methods used to make traditional discharge measurements with mechanical meters. Although the ADCP is a valuable tool for measuring streamflow, it is only accurate when used with appropriate techniques. This report presents guidance on the use of ADCPs for measuring streamflow; this guidance is based on the experience of U.S. Geological Survey and Water Survey of Canada employees and published reports and papers. The guidance is presented in a logical progression, from pre-deployment planning, to field data collection, and finally to post-processing of the collected data. Acoustic Doppler technology and instruments are discussed to highlight their advantages and limitations. More in-depth, technical explanations of how an ADCP measures streamflow and what to do when measuring in moving-bed conditions are presented in the appendices. ADCP users need to know the proper procedures for measuring discharge from a moving boat and why those procedures are required, so that when the user encounters unusual field conditions, the procedures can be adapted without sacrificing the accuracy of the streamflow-measurement data"--Abstract, page 1.

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Publication information
Department/Agency Water Survey of Canada, issuing body.
Title Measuring discharge with acoustic doppler current profilers from a moving boat.
Publication type Monograph
Language [English]
Format Electronic
Electronic document
Note(s) On cover: Version adapted for Water Survey of Canada based on Techniques and Methods 3-A22, U.S. Geological Survey.
Includes bibliographical references.
Publishing information Ottawa, Ontario : Water Survey of Canada, 2021.
Description 1 online resource (i, x, 129 pages) : illustrations (some colour)
Catalogue number
  • En56-302/2021E-PDF
Edition Version 2.0.
Subject terms Stream measurements.
Stream measurements -- Instruments.
Underwater acoustics -- Instruments.
Cours d'eau -- Jaugeage.
Cours d'eau -- Jaugeage -- Instruments.
Acoustique sous-marine -- Instruments.
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