Streamflow MeasurementThe second edition of Streamflow Measurement meets the demands of engineers and managers in the water industry on how to obtain information on the flow in the world's rivers in view of the decreasing availability of usable water. It deals with all aspects of establishing, operating and maintaining streamflow measurement stations to ensure they provide maximum information. The data are used to plan and design efficient and cost-effective projects and developments. The book covers both traditional methods of data collection and methods involving the use of new and advanced technologies. It provides hydrologists and engineers with a complete reference from which to establish the accurate and reliable collection of information. |
Contents
Preface | 9 |
The velocityarea method of streamflow | 13 |
Measurement of stage | 84 |
The stagedischarge relation | 146 |
Special problems in streamflow measurement | 187 |
Measurement by floats | 221 |
The slopearea method of streamflow measurement | 240 |
The stagefalldischarge method of streamflow | 254 |
Dilution gauging | 352 |
The moving boat method of streamflow | 382 |
The ultrasonic method of streamflow measurement | 413 |
The electromagnetic method of streamflow | 439 |
Accuracy | 453 |
Hydrometric data processing | 488 |
Flow in pipes | 502 |
Conversion factors | 516 |
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Common terms and phrases
accuracy angle average backwater bank cableway calculated calibration Chapter chart coefficient of discharge computed crest current meter measurements datum depth of flow determined device discharge equation discharge measurements distance downstream echo sounder electromagnetic electronic error example float flood Flow Measurement flume gauge height gauging station head loss Herschy horizontal hydraulic Hydrology hydrometric installed instrument intake pipe Liquid Flow Measurement m³s-¹ mean velocity measuring structure millimetres moving boat normally observations obtained Open Channels operation orifice orifice plate path plotted pressure pulses range rating curve rating equations rectangular reference gauge river River Thames sampling segment sensor shown in Fig signal slope speed staff gauge stage stage-discharge curve stage-discharge relation standard deviation stream gauging streamflow suspension cable Switzerland Table tank tape thin plate weir tracer transducer ultrasonic upstream velocity-area vertical water surface width World Meteorological Organization zero
