SIMULATING RAINFALL-RUNOFF IN UNBAN RESIDENTIAL AREA BASED ON SWMM
Yuan Junying
Abstract
Yuan Junying
Abstract
SWMM(storm water management model) is now widely used for simulation of runoff of urban rainfall.Usually,SWMM is calibrated and verified with experimental data.It is difficult however,to observe the process of rainfall-runoff in some areas,so in order to avoid this difficulty,traditional runoff coefficient method was chosen to calibrate SWMM data from two aspects,total rainfall-runoff and runoff process.It was found that SWMM could be used to simulate total rainfall-runoff and the runoff process,and provide useful data for runoff pollutant loadings.
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SWMM(storm water management model) is now widely used for simulation of runoff of urban rainfall.Usually,SWMM is calibrated and verified with experimental data.It is difficult however,to observe the process of rainfall-runoff in some areas,so in order to avoid this difficulty,traditional runoff coefficient method was chosen to calibrate SWMM data from two aspects,total rainfall-runoff and runoff process.It was found that SWMM could be used to simulate total rainfall-runoff and the runoff process,and provide useful data for runoff pollutant loadings.
Key concepts: Storm Water Management Model, Surface runoff, Environmental science, Runoff curve number, Hydrology (agriculture), Runoff model, Storm, Low-impact development