Model-Prototype Study of Overland Flowby I. Muzik, Univ of Calgary, Canada,
Abstract: Similarity of overland flow hydrographs was investigated. Similarity ratios based on Froude number modeling were tested by using: 1) computed hydrographs by kinematic wave equations, 2) observed hydrographs from a laboratory watershed system. The derived scaling ratios were found to be valid for computed hydrographs. Results obtained from observed hydrographs indicate discrepancies which might be attributed to unsteady flow conditions, transition from laminar to turbulent flow and variable flow resistance due to raindrop impact. These factors were not accounted for in the computed hydrographs.
Subject Headings: Hydrographs | Model analysis | Overland flow | Hydrologic models | Kinematic waves | Wave equations | Flow resistance | Turbulent flow
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