A small‐watershed model based on the analysis of data measured from a number of small experimental watersheds and various physical geographic factors in our country is formulated for predicting the flood peak discharge resulting from storm rainfall. As the relevant factors and field measurements cover a wide range of conditions, this method is now being widely used for railway design works in the northwest and for hydraulic engineering design in certain other regions in China with fairly good results.
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Liu et al. (1980) studied this question.