SWMM56

Subject:   Rules for NRSCS Unit Hydrographs in InfoSWMM Rules for NRSCS Unit Hydrographs in InfoSWMM and H2OMap SWMM by  dickinsonre Subject:   Rules for NRSCS Unit  Hydrographs in InfoSWMM  and H2OMap SWMM Rules or Guidelines for NRSCS Unit Hydrographs if used as the Hydrology Option in InfoSWMM and H2OMAP SWMM: 1.        The Unit Hydrograph CN comes from the Subcatchment Table and the NRCS_CN Column 2.       Time of Concentration is from the TC column in the Subcatchment Table 3.       The Infiltration Model should be from the CN infiltration Model Column in the Subcatchment Database Table 4.       The CN in the Soil Database Table should be the same as the CN in the Subcatchment Database Table 5.     ...