Simulation and Video Animation of Canal Flushing Created by a Tide Gate

by David H. Schoellhamer, US Geological Survey, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A tide-gate algorithm was added to a one-dimensional unsteady flow model that was calibrated, verified, and used to determine the locations of as many as five tide gates that would maximize flushing in two canal systems. Results from the flow model were used to run a branched Lagrangian transport model to simulate the flushing of a conservative constituent from the canal systems both with and without tide gates. A tide gate produces a part-time riverine flow through the canal system that improves flushing along the flow path created by the tide gate. Flushing with no tide gates and with a single optimally located tide gate are shown with a video animation.

Subject Headings: Imaging techniques | Hydraulic models | Canals | Flushing | Tides | Gates (hydraulic) | Flow simulation | Fluid flow

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