摘要
Ⅰ. LINEAR LUMPED FLOW-CONCENTRATION SYSTEM WITH SEVERAL DEGREES OF FREEDOM On account of the nonuniformity of rainfall in spatial distribution, the computation of basin-flow concentration or river-network flow concentration, based on the subareas divided by isochrones and tributaries respectively, the river channel flow concentration curve is different from the computation of flow concentration for a river reach with tributaries iatervening in the upper and lower sections under concrete conditions. But there exist
