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ISO 9123:2017

Hydrometry - Stage-fall-discharge relationships

standard by International Organization for Standardization , 10/01/2017

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Full Description

ISO 9123:2017 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.

 

Product Details

Edition:
2
Published:
10/01/2017
Number of Pages:
36
File Size:
1 file , 1.5 MB
Same As:
BS ISO 9123:2017
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 9123:2017

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    Hydrometry - Stage-fall-discharge relationships

    • Most Recent

  2. ISO 9123:2001


    Measurement of liquid flow in open channels - Stage-fall-discharge relationships

    • Historical Version