BS ISO 1100-2 - HYDROMETRY MEASUREMENT OF LIQUID FLOW IN OPEN CHANNELS - PART 2: DETERMINATION OF THE STAGE-DISCHARGE RELATION

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

British Standards Institution

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