Current urban rainwater runoff model can t better solve the problem of the flood disaster in cities, and, in some sense and causes the waste of urban rainwater resources.

• 基于雨水资源化思想的城市雨水资源化径流模型可对降雨加以充分调蓄和利用,有助于解决城市洪涝灾害和水资源短缺问题。