Floodplain analysis

PCSWMM allows dynamic modeling of natural channels in rural and urban watersheds, including flooded structures, backwater effects, spatially-distributed rainfall, groundwater interflow, HEC-RAS and HEC-DSS importing, and flood inundation mapping.

• Easily import HEC-RAS reaches and cross-sections
• Read and write time series directly to/from HEC-DSS
• Quickly and easily estimate subcatchment-specific infiltration through area-weighting of soil-maps
• Model dynamic storms with infinite spatial and temporal variations in rainfall
• Integrate radar-rainfall easily with direct support for NEXRAD downloading and automated processing (bias removal with rain gage data / area weighting, etc.)
• Account for interflow between groundwater and surface drainage, antecedent soil moisture, snow accumulation and melting
• Analyze the effects of encroachments with transects and custom conduit shapes
• Accurately model culverts under dynamically varying inlet and outlet control
• Automatically generate DEM-based flood inundation polygons from SWMM5 model results, complete with 2D animation in either PCSWMM or Google Earth
• Quickly analyze flood-vulnerable assets through graphical rendering, map animation and reporting