Indoor imitation experimental study on driving factors of rainfall-runoff process

摘要: The driving actions of rainfall-runoff process can be attributed to two aspects. first is the influence precipitation process, and second that ground pad. re- search results 179 indoor experiments conducted imitate indicate both duration intensity play important roles in affecting confluence lag time, which obviously inconsistent with traditional hypotheses. nonlinear relationship great significance curve especially when less than total time or small. Therefore it concluded unit hydrograph (UH) applied imitation humid areas south China region. However, UH application should strictly modified accordance conditions arid semiarid region north where short unstable. It will hard get ideal if blindly without considering specific This also explains unsatisfactory caused by using various hydrological models When short, watershed has not reached concentration, characteristics change greatly, reflects actual situation necessary corrections made applied. If longer balance between pondage discharge stricken, research applicable relation basic theoreti- cal on runoff generation concentration. On adequate rainfall, peak linear intensity, but nothing do There a negative . amount capacity catchment discharge, obvious pad status interception, position interceptions.