This International Standard 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 International Standard. The preparation of rating curves is not described in detail in this International Standard. NOTE For a more detailed description of preparing rating curves, see the methods described in ISO 1100-2
BS ISO 9123-2002由英国标准学会 GB-BSI 发布于 2002-02-01,并于 2002-02-01 实施。
BS ISO 9123-2002 在中国标准分类中归属于: A42 物理学与力学,在国际标准分类中归属于: 17.120.20 明渠中流量的测量。
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