Research on Multiobjective Optimization of Sponge City Based on SWMM Model

Table 1

Simulation calculation results of surface runoff.

Return period		Rainfall (mm)	Infiltration quantity (mm)	Volume of runoff (mm)	Runoff coefficient
1a	Without LID	33.63	12.33	19.96	0.58
	There is LID	33.63	18.69	5.42	0.16
5a	Without LID	65.32	20.19	54.37	0.72
	There is LID	65.32	32.03	28.49	0.35
10a	Without LID	88.69	20.11	66.03	0.74
	There is LID	88.69	41.28	36.79	0.36
15a	Without LID	110.24	20.17	95.53	0.81
	There is LID	10.24	50.16	54.16	0.51