Applicability of Two Simplified Flood Routing Methods: Level-Pool and Muskingum-Cunge

by D. L. Fread, Natl Weather Service, Silver Spring, United States,
K. S. Hsu, Natl Weather Service, Silver Spring, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Simplified flood routing models for unsteady flow simulation in reservoirs and rivers have advantages of relatively small computing requirements when compared to dynamic routing models based on the complete Saint-Venant equations of unsteady flow. The range of applicability as governed by accuracy is investigated for two simplified routing models. The routing error for each simplified model is determined by systematic comparison with an accurate dynamic routing model (DAMBRK). Error properties of each simplified model are presented graphically as functions of dominant channel and flood hydrograph parameters.

Subject Headings: Flood routing | Flow simulation | Errors (statistics) | Dynamic models | Simulation models | Model accuracy | Unsteady flow

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