水文站网布设方法在黄河河源区的应用

Application of Hydrological Network Layout Method in Yellow River Source Area

基于黄河河源区干、支流水文站实测同步系列年径流资料,对黄河河源区进行水文分区。根据线性内插精度理论和径流递增率理论计算出黄河河源区干流应布设水文站的下限、上限数,根据相邻区域代表站所控制区域间径流递变率的要求及内插水文特征值精度的要求计算出河源区应布设区域代表站的下限、上限数。提出布设黄河河源区干流与支流区域代表站数的建议。

Hydrological regionalization of the Yellow River source area based on the annual runoff data series was discussed in this paper, the number of lower and upper limits of the stations in the Yellow River source area were calculated based on linear in- terpolation precision theory and runoff increasing rate while the number of lower and upper limits of representative local stations were computed from the requirement of runoff changing rate of adjacent representative local stations and interpolation accuracy of hydrological characteristic parameters. Consequently the suggestions and recommendations about how to set up mainstream hydrologi- cal stations and representative regional stations for tributaries in the Yellow River source area were given.