Nonlinear Channel Routing by Computer

by Michael C. Quick, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of British Columbia, Vancouver, British Columbia, Canada,
Anthony Pipes, Research Assoc.; Dept. of Civ. Engrg., Univ. of British Columbia, Vancouver, British Columbia, Canada,

Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 6, Pg. 651-664

Document Type: Journal Paper

Discussion: Wormleaton Peter Richard (See full record)
Discussion: Sherman James O. (See full record)
Closure: (See full record)

Abstract: A simple but accurate nonlinear river channel routing method is developed which can be calibrated from standard water survey measurements of stage-discharge and stage-velocity. The flow model is based on well-established kinematic flood wave behavior. The routing coefficients are not derived from analysis of the inflows and outflows to a given reach, instead the routing coefficients are derived directly from the stream gaging data for each reach, i.e., the stage-discharge and the stage-velocity curves. The routing procedures are computationally simple and are described by equations. It should be noted that because the procedure computes according to wave travel time, the storage term is purely wedge storage and this leads to part of the simplification. Because the procedure operates on changes in flow, an extremely simple reservoir routing-method is derived.

Subject Headings: Flood routing | Water discharge | Kinematic waves | Computing in civil engineering | Travel time | Nonlinear analysis | Calibration | Standards and codes |

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