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Alternative Approaches to Flood Inundation Mapping

Alternative Approaches to Flood Inundation Mapping. Venkatesh Merwade and Younghun Jung School of Civil Engineering, Purdue University. Stormwater Drainage Conference, February 10, 2011. Why alternative approach?. Flood Map for Tippecanoe County, IN. FEMA. SSURGO. Montgomery, IN.

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Alternative Approaches to Flood Inundation Mapping

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  1. Alternative Approaches to Flood Inundation Mapping Venkatesh Merwade and Younghun Jung School of Civil Engineering, Purdue University StormwaterDrainage Conference, February 10, 2011.

  2. Why alternative approach?

  3. Flood Map for Tippecanoe County, IN FEMA SSURGO

  4. Montgomery, IN

  5. Parker, TX

  6. Fayette, TX

  7. Floodplain Mapping for Indiana Taxonomy Group Flooding Frequency Mapunit Name

  8. Floodplain Mapping using Topography a: Flow accumulation area/contour length b: slope Modified Topographic Index TIm= ln(an/tan(β))

  9. Preliminary Results Northern Indiana

  10. Central Indiana

  11. Southern Indiana

  12. Questions? Contacts: Venkatesh Merwade – vmerwade@purdue.edu http://web.ics.purdue.edu/~vmerwade

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