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由于沙河实测泥沙监测资料比较匮乏,作为沙河上唯一的控制站,立新水文站近两年新增了泥沙测验任务。利用施测含沙量资料尝试建立实测流量~输沙率经验公式,对沙河泥沙测验和水沙关系进行分析。本文对研究河段冲淤情况进行了一些初步分析,并论述了河道水流挟沙力的推求方法。
As Shahe measured sediment monitoring data is scarce, as the only control station on the Shahe, Lixin hydrological station in the past two years added a sediment testing mission. Based on the data of sediment concentration, an empirical formula of measured flow rate ~ sediment transport rate is established to analyze the relationship between sand sediment test and water and sediment. In this paper, some preliminary analysis of the research on the river scouring and silting is carried out, and the method of deducing sediment-carrying capacity of the river flow is discussed.