auto-placed by for structure “intelligent” modeling. methods. Overbanks Auto-placed Not included; lengths from Land Use and hand but cross computed by Land Cover adjusted or sections placed B offsetting (LULC) data, A auto-placed by appropriately stream channel value for structure “intelligent” centerline. estimated methods. modeling. separately. Included; structure data from national, Overbanks or other Reach lengths Each section LULC data, data source. adjusted based C reviewed by channel value Estimated A on draft engineers. estimated based on floodplain. separately. topography and aerial photos for those not available. Included; structure data Overbanks from as-builts, from LULC design plans, Reach lengths Each section data, channel in “measured” adjusted based D reviewed by value estimated the field, or A or AE on draft engineers. separately and other floodplain. calibrated community where possible. datasets with opening information. Overbanks Included; Each section from LULC structure data reviewed by data and field Reach lengths from field engineers, data, channel adjusted based survey, E channel value estimated AE on draft design bathymetry separately from floodplain. plans, included in field data and in “measured” sections. calibrated the field. where possible.
auto-placed by “intelligent” methods. for structure modeling. B Auto-placed and hand adjusted or auto-placed by “intelligent” methods. lengths computed by offsetting stream centerline. Overbanks from Land Use Land Cover (LULC) data, channel value estimated separately. Not included; but cross sections placed appropriately for structure modeling. A C Each section reviewed by engineers. Reach lengths adjusted based on draft floodplain. Overbanks LULC data, channel value estimated separately. Included; structure data from national, or other data source. Estimated based on topography and aerial photos for those not available. A D Each section reviewed by engineers. Reach lengths adjusted based on draft floodplain. Overbanks from LULC data, channel value estimated separately and calibrated where possible. Included; structure data from as-builts, design plans, “measured” in the field, or other community datasets with opening information. A or AE E Each section reviewed by engineers, channel bathymetry included in sections. Reach lengths adjusted based on draft floodplain. Overbanks from LULC data and field data, channel value estimated separately from field data and calibrated where possible. Included; structure data from field survey, design plans, “measured” in the field. AE
CTP_National_FY18_FloodRiskProject_MAS_FINAL_508.docx