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NEN-ISO 9123

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

inactive
Organization: NEN
Publication Date: 1 December 2001
Status: inactive
Page Count: 22
ICS Code (Flow in open channels): 17.120.20
scope:

Specifies methods for determining stage-fall-discharge relations for a stream reach where variable backwater occures 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 International Standard.

Document History

NEN-ISO 9123
November 1, 2017
Hydrometry - Stage-fall-discharge relationships
NEN-ISO 9123 specifies methods for determining stage-fall-discharge relationships for a stream reach where variable backwater occurs either intermittently or continuously. Two gauging stations, a...
NEN-ISO 9123
December 1, 2001
Measurement of liquid flow in open channels - Stage-fall-discharge relationships
Specifies methods for determining stage-fall-discharge relations for a stream reach where variable backwater occures either intermittently or continuously. Two gauging stations, a base reference...
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