Files Water Surface Profile Calculation in an Open Channel FHWA HEC-11 Riprap Design FHWA HEC-15 Channel Lining Design USDA Filter Design Bedding Material Introduction TxDOT Hydraulic Design Manual 2019 TxDOT Atlas 14 EBD Lookup (unzip after download) HCFCD HEC-RAS 2D Modeling Guidelines HCFCD 1D Unsteady Flow Modeling Guidelines HGAC Houston Area 2018 Land Cover 10 Class (EPSG 2278) Texas Water Development Board Regional Flood Plan Doc A XPSWMM 2D Modeling Report Manning’s n Value – 1D and 2D Comparison NRCS Part 630 NEH Chapter 4 Rainfall Distribution NOAA Atlas 14 Vol 9 Version 2 Louisiana NOAA Atlas 14 Vol 11 Version 2 Texas NOAA Areal Reduction Factor Lower Mississippi XPSWMM Atlas 14 Presentation SCS Texas Hydrology Technical Note 210-18-TX5 FHWA Culvert Design HDS 5 Third Edition HEC-RAS 6.0 Hydraulic Reference Manual Gridded Coordinate System of HEC (HRAP/SHG/UTM in App D-F) USACE EM_1110-2-1417 Flood-Runoff Analysis USACE EM_1110-2-1413 Interior Drainage Analysis USDA SSURGO Soil Texture Classification Abbreviation HMR 51 HMR 52 Dam IDF Selection and Incremental Hazard Analysis FERC Oklahoma Dam Hydrologic and Hydraulic Guidelines 2019 LA MS AR OK Regional PMP Study Estimation of Soil Water Properties, 1982, Rawls et al Green-Ampt Infiltration Parameters from Soils Data, 1983, Rawls et al Soil Water Characteristic Estimates, 2006, Rawls et al 2D Storm Water Modeling Guidelines COH 2020 Storm Water Modeling Software (InfoWorks ICM, XPSWMM) Evaluation COH 2021 HEC-HMS Baseflow PowerPoint Presentation 1 HEC-HMS Baseflow PowerPoint Presentation 2 HEC-RAS 1D 2D Guides and Tutorials HEC-RAS Culvert Modeling Combined 1D and 2D Modeling with HEC-RAS Other Files USGS Report 2339 Selecting Manning’s n (FHWA-TS-84-204) Fasken of SCS Selecting Manning’s n for Channel NRCS TR 55 (SCS Method, Curve Number) NOAA Tech Paper No. 29 Areal Reduction Factor Amite River Basin Model Louisiana FEMA Amite Basin BLE Report FEMA Bayou Teche Basin BLE Report HEC-RAS for Dam Break Analysis XPSWMM Templates