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一、问题的提出横石水文站是北江中下游的主要控制站,占流域面积的89％(石角站以上计)。该站控制性能好,解放初期即据以累积北江的历史洪水资料。在大量分析工作的基础上,确定了横石站1915、1931年的历史洪水流量分别是13,600和17,200秒立米。以上数据作为北江流城洪水的有力依据、在规划没计工作中沿用至今。
First, the issue raised Hengshi Hydrological Station is the main control station in the middle and lower reaches of the Beijiang River, accounting for 89% of the basin area (Shek Kok Station above). The station control performance is good, early liberation that is to accumulate the history of the North River flood information. Based on a large number of analysis work, the historical flood discharges of Hengshi Station in 1915 and 1931 were determined to be 13,600 and 17,200 seconds respectively. The above data as a strong basis for the flood of Beijiang River City, in the planning of the work has not been used so far.