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Arc Hydro and the Regional Watershed Modeling System in Texas

Arc Hydro and the Regional Watershed Modeling System in Texas. William Burmeister, P.E. PBS&J, San Antonio, Texas. Presentation Overview. RWMS Background Data Management Key Components Interface Data Models Workbench Internet Portal Additional Tools Next Steps.

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Arc Hydro and the Regional Watershed Modeling System in Texas

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  1. Arc Hydro and the Regional Watershed Modeling System in Texas William Burmeister, P.E. PBS&J, San Antonio, Texas Pre Conference Seminars

  2. Presentation Overview • RWMS Background • Data Management • Key Components • Interface Data Models • Workbench • Internet Portal • Additional Tools • Next Steps Pre Conference Seminar

  3. The Digital Watershed (and Model Information System) Note the digital watershed database has a standard design (schema), but different features within it are used to describe different types of watersheds Tier One: National Standard Feature Maintenance All Watersheds are Modeled with HEC Software Mixture of Models, AdICPR, SWMM5, etc. “Florida” Mixed Watersheds Dendritic Watersheds 1 Tier Two: Model Specific Standards Smart Translators AdICPR, etc Smart Translator DCS* and DFIRM Databases RWMSHEC RWMS SWMM5 Model Maintenance RWMS Tools Model Maintenance HEC-RAS HEC-HMS 4 2 3 Watershed Data Management - Modular SolutionsStandard Feature Maintenance Tailored Model Maintenance Pre Conference Seminar

  4. Regional Watershed Modeling System (RWMS) • Developed by PBS&J for the San Antonio River Authority • Contributions from UT Austin and Texas A&M University • Will ultimately use an Arc Hydro compliant data model for the underlying watershed and stream network • Defines “Interface Data Models” for HEC-HMS and HEC-RAS • Entire content of models ingested into an ArcGIS Geodatabase Pre Conference Seminar

  5. RWMS Concept • Efficiently Manage Updates to Hydrologic, Hydraulic and other Models • Regional Integration • Maintain “Current” Models • Web Portal for End Users • Checkout and submittal of models • Management of study workflow • Ensure Notification and Coordination • Enforce Standards and Facilitate Study Review Pre Conference Seminar

  6. RWMS Data Management Pre Conference Seminar

  7. Underlying RWMS Database Concepts Pre Conference Seminar

  8. RWMS Development Approach • ESRI ArcGIS-Based • Data Management: ArcSDE with SQL Server • System Interaction: ArcGIS Desktop and ArcIMS • Model Specific Geodatabases (IDMs) • Manage, maintain and integrate models • Administrator and End User Tools • Administrator: Workbench (ArcGIS Desktop) • End User: Web Portal (ArcIMS) • Tools for Model Review and Integration • Tools to Link Models • Platform Independent for End User Pre Conference Seminar

  9. Feature Class Elements of HEC-HMS IDM • HMS Basin Feature Class • HMS Project Feature Class • Gages • Rainfall Grids Pre Conference Seminar

  10. HEC-HMS Interface Data Model Pre Conference Seminar

  11. Feature Class Elements of HEC-RAS IDM Pre Conference Seminar

  12. HEC-RAS Interface Data Model Pre Conference Seminar

  13. RWMS Version 1.0 - Key Components • Geodatabase (IDMs+) • Work Bench • Web Portal • Standards and Coordination Tools • Analysis and Visualization Tools • Automated Floodplain Mapping (Map2Map) • Hydrograph Viewer Pre Conference Seminar

  14. Notification Review per Standards Regulatory Review Submittal of As-built Version (if needed) RWMS Workflow Details Study Review Workflow Existing version Post Checkout Archive Submittal Approval Construction Pre Conference Seminar

  15. ArcGIS 9.2 RWMS Workbench with ArcToolbox Tools for Model Management • Administrators and Internal Users Pre Conference Seminar

  16. Study Areas and Notification • Hydrologic Study Area • Initial Hydraulic Area • Impacted Hydraulic Area Pre Conference Seminar

  17. Internet Portal for Study ManagementEngineering Community End Users Pre Conference Seminar

  18. Model Check-out and Check-in Pre Conference Seminar

  19. Study Management and Coordination Pre Conference Seminar

  20. Automated Floodplain Mapping (Map2Map) Using the Integrated Regional Models • NEXRAD Rainfall • Design Storm Rainfall Pre Conference Seminar

  21. Automated Floodplain Mapping (Map2Map) Pre Conference Seminar

  22. Next Steps for the RWMS • Water Quality Modeling (HSPF) • Prototype and database completed • FEMA Compatibility • LOMCs, Data Standards, Map Maintenance • Enhanced Management of Support Data • Documents, imagery, topography • Flood Forecasting • HEC-RAS Unsteady Flow Capabilities • Integration of Other Models • Hydrology/hydraulics, instream flow, etc. • Enhanced Management, Review and Visualization Tools Pre Conference Seminar

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