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AS 3778.2.3-2001

AS 3778.2.3-2001

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 water flow in open channels General - Determination of the stage-discharge relationship

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

12-03-2001

Publisher

Standards Australia

Superseded date

15-11-2023

Superseded by

AS 3778.2.3:2023

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£54.60
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1 - AS 3778.2.3-2001 MEASUREMENT OF WATER FLOW IN OPEN CHANNELS - GENERAL-DETERMINATION OF THE STAGE-DISCHARGE RELATIONSHIP
4 - PREFACE
6 - CONTENTS
7 - 1 Scope
7 - 2 Normative references
8 - 3 Definitions and symbols
8 - 4 Units of measurement
8 - 5 Principle of the stage-discharge relation
9 - 5.1 Controls
9 - 5.1.1 General
9 - 5.2 Governing hydraulic equations
10 - 5.3 Complexities of stage-discharge relations
11 - 6 Stage-discharge calibration of a gauging station
11 - 6.1 General
11 - 6.2 General preparation of a stage-discharge relation
11 - 6.2.1 General
11 - 6.2.2 List of discharge measurements
12 - 6.2.3 Arithmetic plotting scales
12 - 6.2.4 Logarithmic plotting scales
16 - 6.3 Curve fitting
16 - 6.3.1 General
16 - 6.3.2 Graphical curves
16 - 6.3.3 Hydraulic equation curves
17 - 6.3.4 Mathematical rating curves
17 - 6.4 Combination control stage-discharge relations
17 - 6.5 Stable stage-discharge relations
18 - 6.6 Unstable stage-discharge relations
18 - 6.7 Shifting controls
19 - 6.8 Variable backwater effects
19 - 6.8.1 General
19 - 6.8.2 Downstream backwater influences
20 - 6.8.3 Ice effects
21 - 6.8.4 Hysteresis effect, or loop ratings
22 - 6.8.5 Tidal discharge measurements - Loop ratings
22 - 6.9 Extrapolation of the stage-discharge relation
23 - 6.10 Rating tables
24 - 7 Methods of testing stage-discharge relations
24 - 8 Uncertainty in the stage-discharge relation
24 - 8.1 General
24 - 8.2 Example of uncertainty calculations for individual gaugings
27 - 8.3 Example of calculating the uncertainty of the daily mean discharge
28 - Annex A - Uncertainty in stage-discharge relation and in continuous measurement of discharge
28 - A.1 General
28 - A.2 Statistical analysis of the stage-discharge relation
29 - A.3 Uncertainty in the daily mean discharge
29 - A.4 Uncertainty in the monthly and annual mean discharges
30 - A.5 Uncertainty in the measured stage
31 - Annex B - Bibliography
32 - TECHNICAL CORRIGENDUM 1

This Standard is identical to and has been reproduced from ISO 1100-2:1998.

Committee
CE-024
DocumentType
Standard
ISBN
0 7337 3645 9
Pages
25
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 1100-2:1998 Identical

First published as AS 3778.2.3-1990.
Second edition 2001.

AS 3778.3.3-2001 Measurement of water flow in open channels Velocity-area methods - Measurement by slope-area method
AS 3778.2.4-2007 Measurement of water flow in open channels General - Estimation of uncertainty of a flow rate measurement (Reconfirmed 2022)
AS 1000-1979 The International System of Units (SI) and its application
AS 3778.3.1-2001 Measurement of water flow in open channels Velocity-area methods - Measurement by current-meters and floats
AS 3778.3.2-1990 Measurement of water flow in open channels Velocity-area methods - Measurement by moving-boat method (Reconfirmed 2022)
AS 3778.1-2001 Measurement of water flow in open channels Vocabulary and symbols
AS 3778.2.2-2001 Measurement of water flow in open channels General - Establishment and operation of a gauging station
AS 3778.3.5-1990 Measurement of water flow in open channels Velocity-area methods - Investigation of total error
AS 3778.3.4-1990 Measurement of water flow in open channels Part 3: Velocity-area methods Collection and processing of data for determination of errors in measurement

AS 2360.7.1-2001 Measurement of fluid flow in closed conduits Assessment of uncertainty in the calibration and use of flow measurement devices - Linear calibration relationships
AS 3778.3.3-2001 Measurement of water flow in open channels Velocity-area methods - Measurement by slope-area method
AS 3778.7-2008 Measurement of water flow in open channels Determination of volume of water and water level in lakes and reservoirs
AS 4747.3-2013 Meters for non-urban water supply Technical requirements for open channel meters
AS 3778.3.1-2001 Measurement of water flow in open channels Velocity-area methods - Measurement by current-meters and floats
AS 3778.5.2-1991 Measurement of water flow in open channels - Part 5: Dilution methods Integration method for the measurement of steady flow
ATS 4747.3-2008 Meters for non-urban water supply Specifications for open channel meters

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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