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菏泽地区东鱼河、洙赵新河等11条灌溉排水河道近年来淤积严重,通过典型河段的泥沙计算得知,因降雨与径流侵蚀产生的沙量占河段来沙总量的18.5%,由引用黄河水所带来的泥沙量占81.5%。文章还就造成淤积的成因作了具体分析。
In 11 years, the irrigated drainage channels such as Dongyuhe and Suozhaoxinhe in Heze area have been seriously silted up. Through the calculation of sediment in the typical reach, the amount of sediment due to rainfall and runoff erosion accounts for 18.5% The amount of sediment brought by the quoted Yellow River water accounted for 81.5%. The article also made a detailed analysis of the causes of siltation.