Table of Contents

1 -  AS 3778.3.6-2001 MEASUREMENT OF WATER FLOW IN OPEN CHANNELS - VELOCITY-AREA METHODS-MEASUREMENT OF FLOW IN TIDAL CHANNELS
4 -  PREFACE
6 -  CONTENTS
7 -  1 Scope
7 -  2 Normative references
7 -  3 Terms and definitions
8 -  4 Principles of methods of measurement
8 -  4.1 General
8 -  4.2 Single measurement methods
8 -  4.2.1 Velocity-area method
8 -  4.2.2 Cubature method
8 -  4.3 Continuous measurement methods
8 -  4.3.1 Ultrasonic method
8 -  4.3.2 Electromagnetic method
8 -  4.3.3 Unsteady-flow models
9 -  5 Special considerations and choice of method
9 -  5.1 Special considerations
9 -  5.2 Choice of method
9 -  5.2.1 General
9 -  5.2.2 Physical conditions
10 -  5.2.3 Selection and demarcation of site
11 -  6 Measurement of tidal flow
11 -  6.1 Techniques for single measurements of tidal flow
11 -  6.1.1 Measurement of tidal flow by velocity-area methods
14 -  6.1.2 Measurement of tidal flow by the moving boat method
14 -  6.2 Techniques appropriate for continuous measurement of tidal flow
14 -  6.2.1 Measurement of tidal flow by the ultrasonic method
15 -  6.2.2 Measurement of tidal flow by the electromagnetic method
15 -  6.2.3 Computations
16 -  7 Uncertainties in tidal flow measurement
16 -  7.1 General
16 -  7.2 Uncertainties in measurement by velocity area method
16 -  7.2.1 Sources of uncertainty
17 -  7.2.2 Individual components of errors
18 -  7.2.3 Resultant random uncertainty in measurement of flow
18 -  7.2.4 Resultant systematic uncertainty in measurement flow
18 -  7.2.5 Combined uncertainty at the 95 % confidence level
19 -  7.2.6 Combined standard error in the determination of the tidal (ebb or flood) volume
20 -  Annex A - Measurement of tidal flow by the cubature method
20 -  A.1 Site requirements
20 -  A.2 Field measurements
21 -  A.3 Computation - Method I
22 -  A.4 Computation - Method II
23 -  Annex B - Flow measurement methods suitable for tidal conditions
26 -  Annex C - Record of velocity measurement of a tidal river (see 6.1)
28 -  Bibliography

Abstract

This Standard is identical to and has been reproduced from ISO 2425:1999.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
Pages
ISBN
Committee	CE-024
Supersedes	DR 99552 CP AS 3778.3.6-1990 DR 99547-99555 CP