Hydrologic and Hydraulic Calibration—A Case Study (a)

by Robert H. Dalton, Illinois DOT, United States,
Daniel H. Lau, Illinois DOT, United States,
Molly J. O'Toole, Illinois DOT, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


The Addison Creek watershed is in Cook and DuPage Counties just west of Chicago, Illinois. Because the watershed has a history of major flooding, eight major stormwater and flood control structures have been constructed in the watershed. These structures were planned and constructed over a 20-year time frame using different design standards and methodologies, and were constructed by different agencies. A hydrologic-hydraulic model was developed to evaluate how these structures interacted in controlling flooding. A major effort associated with the model development was the calibration of the hydrologic-hydraulic models. This paper presents some of the unique and interesting aspects of the hydrologic calibration process.

Subject Headings: Case studies | Hydrologic models | Hydraulics | Calibration | Hydraulic structures | Hydraulic models | Structural models | Structural control | Illinois | United States | Chicago

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