Use of Acoustic Doppler Instruments for Measuring Discharge in Streams with Appreciable Sediment Transport
By: D. S. Mueller
Edited by: Wahl T.L.Pugh C.A.Oberg K.A.Vermeyen T.B.Wahl T.L.Pugh C.A.Oberg K.A.Vermeyen T.B.
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Abstract
The use of Acoustic Doppler current profilers (ADCP) for measuring discharge in streams with sediment transport was discussed. The studies show that the acoustic frequency of an ADCP in combination with the sediment transport characteristics in a river causes the ADCP bottom-tracking algorithms to detect a moving bottom. A moving bottom causes bottom-tracking-referenced water velocities and discharges to be biased low. The results also show that the use of differential global positioning system (DGPS) data allows accurate measurement of water velocities and discharges in such cases.
Suggested Citation
Mueller, D.S., 2002, Use of Acoustic Doppler Instruments for Measuring Discharge in Streams with Appreciable Sediment Transport, in Hydraulic Measurements and Experimental Methods, Estes Park, CO, 28 July 2002 through 1 August 2002, p. 250-260.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Use of Acoustic Doppler Instruments for Measuring Discharge in Streams with Appreciable Sediment Transport |
| ISBN | 0784406553 |
| Year Published | 2002 |
| Language | English |
| Larger Work Title | Hydraulic Measurements and Experimental Methods |
| First page | 250 |
| Last page | 260 |
| Conference Title | Hydraulic Measurements and Experimental Methods 2002 |
| Conference Location | Estes Park, CO |
| Conference Date | 28 July 2002 through 1 August 2002 |