Flood_Management_Model_Presentation.pptx

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1. Flood Management Working Model Building a Comprehensive Approach for Flood Risk Assessment and Mitigation

2. Objective • Define the purpose and scope of the flood management model • Geographical focus and types of floods (e.g., riverine, urban, coastal)

3. Data Collection • Topographical Data: DEMs for terrain analysis • Hydrological Data: River flows, rainfall, soil saturation, etc. • Meteorological Data: Precipitation forecasts, historical patterns • Land Use Data: Urban areas, forests, wetlands • Infrastructure Data: Dams, levees, drainage systems

4. Model Selection • Hydrological Models: SWAT, HEC-HMS • Hydraulic Models: HEC-RAS, MIKE FLOOD • Integrated Models: Combining hydrological and hydraulic elements

5. Model Setup • Digital Terrain Model (DTM) creation • Watershed delineation for detailed analysis • Rainfall-runoff modeling for flood prediction • Flow routing to simulate water movement • Calibration and validation using historical flood data

6. Scenario Simulation • Simulate different flood events (e.g., 100-year flood) • Test flood control measures (e.g., dams, levees) • Assess climate change impacts on flood risk

7. Output and Analysis • Generate flood hazard maps • Conduct risk assessments (infrastructure, property, life) • Provide decision support for urban planning and emergency response

8. Implementation • Integrate model with real-time data for early warning systems • Develop/update flood management policies • Enhance public awareness and preparedness

9. Model Updates and Maintenance • Regular updates with new data • Periodic model recalibration • Continuous scenario testing for adaptive management

10. Final Thoughts • Flood management is an evolving process requiring continuous improvement • Collaboration with experts and stakeholders is key • Effective flood management reduces risks and enhances resilience