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Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM Founder http://robertdickinson.org, Chair/TAC at http://CIMM.ORG

Storm/Sewer Modeler with a 45 yr association with EPASWMM. Now at Autodesk supporting InfoWorks ICM_SWMM

A graphical view of the nonlinear runoff processes in ICM SWMM, ICM (SWMM Hydrology). InfoSWMM and SWMM5

Here is a graphical view of the nonlinear runoff processes in InfoSWMM and SWMM5:

1. Three runoff surfaces
a. Impervious with Depression Storage
b. Pervious
c. Impervious without Depression Storage

  1. Slope (same for all runoff surfaces)
  2. Width or the Dimension of the Subcatchment (same for all runoff surfaces)
  3. Infiltration
    a.
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