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ISO 9123

Hydrometry - Stage-fall-discharge relationships

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Organization: ISO
Publication Date: 1 October 2017
Status: active
Page Count: 36
ICS Code (Flow in open channels): 17.120.20
scope:

This document specifies methods for determining stage-fall-discharge relationships for a stream reach where variable backwater occurs either intermittently or continuously. Two gauging stations, a base reference gauge and an auxiliary gauge are required for gauge height measurements. A number of discharge measurements are required in order to calibrate the rating to the accuracy required by this document.

The preparation of rating curves is not described in detail in this document.

NOTE For a more detailed description of preparing rating curves, see the methods described in ISO 1100-2.

Document History

ISO 9123
October 1, 2017
Hydrometry - Stage-fall-discharge relationships
This document specifies methods for determining stage-fall-discharge relationships for a stream reach where variable backwater occurs either intermittently or continuously. Two gauging stations, a...
November 15, 2001
Measurement of Liquid Flow in Open Channels - Stage-Fall-Discharge Relationships
A description is not available for this item.

References

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