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<p>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.</p>
<p>The preparation of rating curves is not described in detail in this document.</p>
<p>NOTE For a more detailed description of preparing rating curves, see the methods described in ISO 1100‑2.</p>
Reģistrācijas numurs (WIID)
66300
Darbības sfēra
<p>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.</p>
<p>The preparation of rating curves is not described in detail in this document.</p>
<p>NOTE For a more detailed description of preparing rating curves, see the methods described in ISO 1100‑2.</p>
