This Standard specifies methods for the measurement of water flow in rivers and artificial channels under steady or slowly varying flow conditions, using certain types of standing-wave (or critical depth) flumes. It is technically identical with and repr
AS 3778.4.7:1991 history
2023AS 3778.4.7:2023 Measurement of water flow in open channels, Part 4.7: Measurement using flow gauging structures — Rectangular, trapezoidal and U-shaped flumes (ISO 4359:2022, IDT)
0000 AS 3778.4.7:1991(R2009)
1970AS 3778.4.7:1991 Measurement of water flow in open channels - Measurement using flow gauging structures - Rectangular, trapezoidal and U-shaped flumes