Techniques for accurate estimation of net discharge in a tidal channel
Proceedings of the IEEE Working Conference on Current Measurement
By: Michael R. Simpson and Roger Bland
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Abstract
An ultrasonic velocity meter discharge-measurement site in a tidally affected region of the Sacramento-San Joaquin rivers was used to study the accuracy of the index velocity calibration procedure. Calibration data consisting of ultrasonic velocity meter index velocity and concurrent acoustic Doppler discharge measurement data were collected during three time periods. The relative magnitude of equipment errors, acoustic Doppler discharge measurement errors, and calibration errors were evaluated. Calibration error was the most significant source of error in estimating net discharge. Using a comprehensive calibration method, net discharge estimates developed from the three sets of calibration data differed by less than an average of 4 cubic meters per second. Typical maximum flow rates during the data-collection period averaged 750 cubic meters per second.
Suggested Citation
Simpson, M.R., Bland, R., 1999, Techniques for accurate estimation of net discharge in a tidal channel: Proceedings of the IEEE Working Conference on Current Measurement, p. 125-130.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Techniques for accurate estimation of net discharge in a tidal channel |
| Series title | Proceedings of the IEEE Working Conference on Current Measurement |
| Year Published | 1999 |
| Language | English |
| Publisher | IEEE |
| Publisher location | Piscataway, NJ, United States |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Proceedings of the IEEE Working Conference on Current Measurement |
| First page | 125 |
| Last page | 130 |
| Conference Title | Proceedings of the 1999 IEEE 6th Working Conference on Current Measurement |
| Conference Location | San Diego, CA, USA |
| Conference Date | 11 March 1999 through 13 March 1999 |