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本文应用沙量平衡原理,介绍了利用塘坝淤积量确定集水区内年土壤侵蚀模数的方法与步骤,并以计算实例证实了这种计算方法的科学性和可行性。此法计算结果与用径流小区观测资料推算的结果基本一致,值得在适宜地区大力推广应用。
In this paper, the principle of sediment volume balance is used to describe the method and procedure for determining the annual soil erosion modulus by catchment volume of ponds. The calculation example is given to demonstrate the scientificity and feasibility of this method. The result of this method is basically the same as the result estimated from the runoff plot observation data, which is worth popularizing and applying in suitable area.