BS 3680-3C:1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Measurement of liquid flow in open channels. Stream flow measurement Methods for determination of the stage-discharge relation
Hardcopy , PDF
English
30-06-1983
15-07-1998
National foreword
Cooperating organizations
1 Scope and field of application
2 References
3 Definitions and symbols
4 Units of measurement
5 Principles of the stage-discharge relation
6 Calibration of a gauging station
7 Methods of testing stage-discharge curves
8 Uncertainty in the stage-discharge relation and in a
continuous measurement of discharge
Annexes
A Stage-discharge curve
B Hysteresis in the stage-discharge relation
C Twin gauge station fall-discharge method
D Extrapolation of stage-discharge relation
E Correction for discharge in unsteady flow
Tables
1 Typical manual computation of the stage-discharge
relation by the method of least squares
2 Tabulation of calculation to determine points for
plotting stage-discharge curve and constructing
rating table (manual)
3 Tabulated values required to calculate Se and Smr
4 Typical computation for the uncertainty in the daily
mean discharge using hourly values of discharge
5 Student's "t" test of check gauging for bias
6 Values of Student's "t" at the 95 % confidence level
Figures
1 Computation of discharge and mean water-level for
variations of water-level
2 Segment of stage-discharge curve
3 Determination of a - Gauge reading for zero
discharge
4 Testing of stage-discharge curves
5 Relationship Qn = f(z0) for unit fall Hn = 0,300 m
6 Relationship between Q/Qn and H/Hn
7 Relation of stage to adjusted discharge for
reference fall (0,300 m)
8 Normal-fall method - Simple rating-curve
9 Relation between normal fall and height
10 Measured discharge-fall relation
Specifies methods of determining the stage-discharge relation for a gauging station in both stable and unstable channels, including those subject to ice conditions. Includes an analysis of the uncertainties involved in the preparation and use of the stage-discharge relation.
| Committee |
CPI/113
|
| DevelopmentNote |
BS DRAFT 96/206761 DC REFERS TO A NEW REVISION
|
| DocumentType |
Standard
|
| Pages |
44
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 1100-2:2010 | Identical |
| ISO 1100-2:1982 | Identical |
| BS 3680-2A:1964 | Measurement of liquid flow in open channels. Dilution methods Constant rate injection |
| BS 3680-3E:1986 | Measurement of liquid flow in open channels. Stream flow measurement Measurement of discharge by the ultrasonic (acoustic) method |
| BS 3680-3J:1989 | Measurement of liquid flow in open channels. Stream flow measurement Guide to the measurement of discharge using three verticals |
| BS 3680-6:1995 | Measurement of liquid flow in open channels Guide to measurement of flow in tidal channels |
| BS 3680-8A:1973 | Measurement of liquid flow in open channels. Measuring instruments and equipment Current meters incorporating a rotating element |
| BS 3680-3B:1997 | Measurement of liquid flow in open channels. Stream flow measurement Guide for the establishment and operation of a gauging station |
| BS 3680-5:1992 | Measurement of liquid flow in open channels Slope area method of estimation |
| BS 3680-3E:1993 | Measurement of liquid flow in open channels. Stream flow measurement Measurement of discharge by the ultrasonic (acoustic) method |
| BS 3680-7:1971 | Measurement of liquid flow in open channels The measurement of liquid level (stage) |
| BS 3680-6:1973 | Measurement of liquid flow in open channels Measurement of flow in tidal channels |
| BS 7898:1997 | Guide to hydrometric data management |
| BS 3680-5:1970 | Methods of measurement of liquid flow in open channels. Slope area method of estimation |
| BS 7118-1:1990 | Measurement of fluid flow: assessment of uncertainty in the calibration and use of flow measurement devices Linear calibration relationships |
| ISO 748:2007 | Hydrometry — Measurement of liquid flow in open channels using current-meters or floats |
| ISO 5168:2005 | Measurement of fluid flow — Procedures for the evaluation of uncertainties |
| ISO 4373:2008 | Hydrometry — Water level measuring devices |
| ISO 3454:2008 | Hydrometry — Direct depth sounding and suspension equipment |
| ISO 555-2:1987 | Liquid flow measurement in open channels — Dilution methods for the measurement of steady flow — Part 2: Integration method |
| ISO 4369:1979 | Measurement of liquid flow in open channels — Moving-boat method |
| ISO 4363:2002 | Measurement of liquid flow in open channels — Methods for measurement of characteristics of suspended sediment |
| ISO/TR 7178:1983 | Liquid flow measurement in open channels — Velocity-area methods — Investigation of total error |
| ISO 4366:2007 | Hydrometry — Echo sounders for water depth measurements |
| ISO 1088:2007 | Hydrometry — Velocity-area methods using current-meters — Collection and processing of data for determination of uncertainties in flow measurement |
| ISO 4359:2013 | Flow measurement structures — Rectangular, trapezoidal and U-shaped flumes |
| ISO 1100-1:1996 | Measurement of liquid flow in open channels — Part 1: Establishment and operation of a gauging station |
| ISO 3847:1977 | Liquid flow measurement in open channels by weirs and flumes — End-depth method for estimation of flow in rectangular channels with a free overfall |
| ISO 3846:2008 | Hydrometry — Open channel flow measurement using rectangular broad-crested weirs |
| ISO 4375:2014 | Hydrometry — Cableway systems for stream gauging |
| ISO 4377:2012 | Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs |
| ISO 2537:2007 | Hydrometry — Rotating-element current-meters |
| ISO/TR 7066-1:1997 | Assessment of uncertainty in calibration and use of flow measurement devices — Part 1: Linear calibration relationships |
| ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
| ISO 3455:2007 | Hydrometry — Calibration of current-meters in straight open tanks |
| ISO 4360:2008 | Hydrometry — Open channel flow measurement using triangular profile weirs |
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