IS 4890 : 1968 Methods for Measurement of Suspended Sediment in Open Channels

UDC 532.57 : 532.543 WRD 1
Reaffirmed 2020

1 Scope

1.1 This standard covers the methods and techniques ofmeasurement and the instruments used in the estimation of suspendedsediment load in open channels, where the flow is uni-directional.This excludes the direct methods of measurement (for which specialinstruments are necessary) and they will be covered in a separatestandard.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 1191 : 1959Glossary of terms used in measurement of flow of water inopen channels

IS 1192 : 1959Velocity-area methods for measurement of flow of water in open channels