Performance of a Deterministic Storm Runoff Model

by William C. Taggart, (M.ASCE), McLaughlin Water Engineers Ltd, Denver, CO, USA,
Charles L. Hardt, McLaughlin Water Engineers Ltd, Denver, CO, USA,
Terri L. Fead, (A.M.ASCE), McLaughlin Water Engineers Ltd, Denver, CO, USA,
Michael D. Vinson, McLaughlin Water Engineers Ltd, Denver, CO, USA,



Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution

Abstract:

The paper discusses model comparisons based on a Tulsa, Oklahoma, case study. Modeling strategies were explored, four of which were modeled in detail because of the extremes in range of simplification. The cases were: a simple surface stream conveyance network (omitting the storm sewer system); a simple storm sewer conveyance network (omitting the surface overflow stream during major floods); a dual stream system having pipe and surface streams for overflow; and a dual stream system having pipe and surface streams for overflow, with a more detailed model reflecting the pipe size change in the upper reach. The Memorial Day storm of 1984 occurred after most of the work was completed. This allowed cumulative testing of the hydrology and hydraulic models. Study results are discussed.

Subject Headings: Rivers and streams | Storms | Hydrologic models | Case studies | Runoff | Mathematical models | Pipe sizes | Oklahoma | United States

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