State Water Resources Research Institute Program

Project Id: 2010OH150B
Title: A Hydraulic Modeling Framework for Producing Urban Flooding Maps in Zanesville, Ohio
Project Type: Research
Start Date: 4/01/2010
End Date: 3/31/2011
Congressional District: 15th
Focus Categories: Floods, Hydrology, Water Quantity
Keywords: Urban Flooding, Hydraulic Modeling
Principal Investigators: Durand, Michael (Ohio State); Andreadis, Konstantinos
Federal Funds: $ 25,000
Non-Federal Matching Funds: $ 55,338
Abstract: This project examines the flooding dynamics along the Muskingum River near the city of Zanesville, Ohio. Simulating various peak flood events using a hydrodynamic model will provide Muskingum County engineers with valuable information regarding inundated areas, extent, and effect on local communities for different flood events. The impact of various Muskingum River flood events, including the 100 year flood, on the urban environment in Zanesville, Ohio will be studied. The project will provide a useful hydraulic modeling framework that produces urban flooding maps for the city of Zanesville. These maps will show how water surface elevations and water depths vary spatially and temporally, and will provide a more detailed picture of how flood waves move in urban environments. A hydrodynamic model called LISFLOOD-FP is used to simulate river flow and flooding. LISFLOOD-FP is a finite-difference flood inundation model that can accurately model 1D channel flow along with 2D floodplain flow. LISFLOOD-FP is a well established hydrodynamic model that has been proven to properly simulate flood inundation for fluvial, coastal, and urban events. Our modeling efforts demonstrate that better knowledge of discharge on the Muskingum River will provide a valuable insight into how floods travel through the floodplain. Thus far, model simulations of the most profound natural disaster in Ohio history, the Flood of 1913, and a typical peak 2 year flood have been completed. Preliminary results gave discharges that closely match those estimated by the United States Geological Survey, and the variation of output discharge with time have shown to approximately fit the shape and amplitude of those estimated for the 1913 Flood and those measured for the peak 2 year flood. The Flood of 1913 was greater than the peak 500 year flood over most of the Muskingum watershed, and resulted in hundreds of lost lives statewide and a hundred million dollars in property damage. The importance of such an event to river communities lies in the understanding and awareness of how peak floods occur and travel, especially in urban environments. From this, steps towards flood control and damage prevention can be made. The fully parameterized Muskingum River model will allow us to (1) produce urban flooding maps for Zanesville, (2) build a framework for sensitivity studies on impacts from urbanization and climate change, and (3) predict inundation throughout Zanesville, a city of 25,000 people.

Progress/Completion Report, 2010, PDF
Progress/Completion Report, 2011, PDF

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