09/30168992 DC : 0
Current
The latest, up-to-date edition.
BS ISO 1100-2 - HYDROMETRY MEASUREMENT OF LIQUID FLOW IN OPEN CHANNELS - PART 2: DETERMINATION OF THE STAGE-DISCHARGE RELATION
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Foreword
1 Scope
2 Normative References
3 Definition and Symbols
4 Units of Measurement
5 Principle of the Stage-Discharge Relation
5.1 Controls
5.2 Governing hydraulic equations
5.3 Complexities of stage-discharge relations
6 Stage-discharge calibration of a gauging station
6.1 General
6.2 General preparation of a stage-discharge relation
6.3 Curve fitting
6.4 Combination control stage-discharge relations
6.5 Stable stage-discharge relations
6.6 Unstable stage-discharge relations
6.7 Shifting controls
6.8 Variable backwater effects
7 Methods of testing stage-discharge relations
8 Uncertainty in the stage-discharge relation
8.1 General
8.2 Definition of uncertainty
8.3 Statistical analysis of the stage-discharge relation
8.4 Uncertainty of predicted discharge
8.5 Uncertainty in the daily mean discharge
8.6 Uncertainty in the monthly and annual mean discharges
8.7 Uncertainty in the measured stage
Annex A (Informative) - Uncertainty in the stage-discharge
relation and in a continuous measurement of discharge
A.1 General
A.2 Example of uncertainty calculations for individual
gaugings
A.3 Example of calculating the uncertainty of the daily
mean discharge
Annex B (Informative) - Bibliography
| Committee |
CPI/113/1
|
| DocumentType |
Draft
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| ISO 748:2007 | Hydrometry Measurement of liquid flow in open channels using current-meters or floats |
| ISO 6416:2017 | Hydrometry — Measurement of discharge by the ultrasonic transit time (time of flight) method |
| ISO 8333:1985 | Liquid flow measurement in open channels by weirs and flumes — V-shaped broad-crested weirs |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| ISO 4369:1979 | Measurement of liquid flow in open channels Moving-boat method |
| ISO 9826:1992 | Measurement of liquid flow in open channels — Parshall and SANIIRI flumes |
| ISO 1088:2007 | Hydrometry Velocity-area methods using current-meters Collection and processing of data for determination of uncertainties in flow measurement |
| ISO/TR 9210:1992 | Measurement of liquid flow in open channels Measurement in meandering rivers and in streams with unstable boundaries |
| ISO 4359:2013 | Flow measurement structures — Rectangular, trapezoidal and U-shaped flumes |
| ISO/TR 5168:1998 | Measurement of fluid flow Evaluation of uncertainties |
| ISO 9825:2005 | Hydrometry Field measurement of discharge in large rivers and rivers in flood |
| ISO 1100-1:1996 | Measurement of liquid flow in open channels Part 1: Establishment and operation of a gauging station |
| ISO/TR 9123:1986 | Liquid flow measurements in open channels Stage-fall-discharge relations |
| ISO 9213:2004 | Measurement of total discharge in open channels Electromagnetic method using a full-channel-width coil |
| 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 4377:2012 | Hydrometric determinations — Flow measurement in open channels using structures — Flat-V weirs |
| ISO 9196:1992 | Liquid flow measurement in open channels — Flow measurements under ice conditions |
| ISO/TR 7066-1:1997 | Assessment of uncertainty in calibration and use of flow measurement devices — Part 1: Linear calibration relationships |
| ISO 4374:1990 | Liquid flow measurement in open channels Round-nose horizontal broad-crested weirs |
| ISO 4362:1999 | Hydrometric determinations — Flow measurement in open channels using structures — Trapezoidal broad-crested weirs |
| ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
| ISO 4360:2008 | Hydrometry Open channel flow measurement using triangular profile weirs |
| ISO 1438:2017 | Hydrometry — Open channel flow measurement using thin-plate weirs |
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