Measurement of Stream Discharge by Wading

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Assessing Measurement (cont.)MeasurementRatingPercent off from truedischargeExcellent Within 2Good Within 5Fair Within 8Poor Greater than 8
Selected References• Buchanan, T.J., and Somers, W.P., 1969, Discharge measurements at gagingstations: USGS Techniques of Water-Resources Investigations, Book 3, ChapterA8, 65 p. (In revision)• International Organization for Standardization, 1983, Measurement of liquidflow in open channels, Handbook 16, 518 p.• Nolan, K.M. and others, Surface-water field techniques training class, USGSWRIR 98-4252, (http://wwwrcamnl.wr.usgs.gov/sws/fieldmethods)• Rantz, S.E., 1982, Measurement and Computation of Streamflow:Volumes I andII, USGS Water Supply Paper 2175, 631 p.• V.B.Sauer and R.W. Meyer, Determination of Error in Individual DischargeMeasurements”, USGS Open-file report 92-144
Page 1 and 2: Measurement of Stream Discharge by
Page 3 and 4: Agenda•The velocity-area concept
Page 5 and 6: Channel cross section is divided in
Page 7 and 8: Water velocity in each sub-sectioni
Page 9 and 10: Computing width and depth of indivi
Page 11 and 12: Recording Width and DepthMeter loca
Page 13 and 14: Measuring Cross-Section AreaDepth
Page 15 and 16: WadingRod UseRod set someter placed
Page 17 and 18: Velocity Determination• USGS gene
Page 19 and 20: Headset and StopwatchStop Watch and
Page 21 and 22: Marking Meter• Meter revolutions
Page 23 and 24: Rating Table Equations• Equations
Page 25 and 26: Distance below water surface inperc
Page 27 and 28: Velocity Measurement MethodsGuide t
Page 29 and 30: Distance below water surface inperc
Page 31: Assessing Measurement• Assessing

Measurement of Stream Discharge by Wading

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