Expert Analysis in Regulated Irrigation Canal Modelling

by Forrest M. Holly, Jr., (M.ASCE), Univ of Iowa, Iowa City, United States,
John P. Parrish, (A.M.ASCE), Univ of Iowa, Iowa City, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Application of riverine unsteady-flow numerical modelling techniques to problems of flow regulation in irrigation canals invokes the need for careful treatment of some situations not commonly found in river modelling. To the extent that expert modelling experience can be formalized, the user of a canal modelling system can be alerted to untenable topographic, topological, and hydraulic situations; warned of impending hydraulic, computational, and numerical anomalies before they occur; and be guided to the causative source of anomalies after they occur. The paper describes implementation of accumulated expert experience in the CanalCAD irrigation-canal simulation system recently developed for the Imperial Irrigation District in California.

Subject Headings: Irrigation | Hydraulic models | Canals | Computer models | Unsteady flow | Flow simulation | Hydrologic models | Regulated flow | Numerical models | Model analysis | North America | California | United States

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