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Input Projects
St. Clair Bathymetric Data Analysis
Dependent Projects
St. Clair 1D HEC-RAS Modelling
St. Clair 2D RMA2 Modelling
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Residual NBS

Two-Dimensional Hydrodynamic Modelling of the St. Clair - Detroit River System using TELEMAC

Thierry Faure;
A two-dimensional hydrodynamic model of the St. Clair River was developed using TELEMAC to estimate the impacts of changes in bathymetry over time on water levels and flows of Lake Michigan-Huron. The model was developed and calibrated for various years and used to simulate various scenarios looking at changes in conveyance on the St Clair River. The method of collecting bathymetric data strongly influences model results. A fall of 13 cm was seen between 1971 and 2007 simulated Lake Huron water levels when data of equal density were used. The model was later extended to the Detroit River and Lake Erie. The impacts of small scale features, GIA and bed roughness were also assessed.
St. Clair River 2D Telemac Hydrodynamic Model Preparation
St. Clair River 2D Telemac Hydrodynamic Model - Phase 2
St. Clair - Detroit River 2D Telemac Hydrodynamic Model
Viewable Data:
St. Clair River Channel Bathymetry
Upper St. Clair River Bathymetry
St. Clair River Discharge Measurements (1962-2006)
Detroit River Discharge Measurements (1962-2006)
TELEMAC Software (Link)
St. Clair River TELEMAC Models
Additional Data and Information

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Supporting Content (Show)
Main Topics
St. Clair River
Questions We Asked
What's causing the declining head difference?
Has St. Clair conveyance changed, and if so, what were the causes?
Key Findings
St. Clair River has changed, accounting for 7-14 cm of total head decline
Evidence suggests St. Clair erosion is not ongoing, but causes remain unknown
Remedial measures should not be taken in the St. Clair
St. Clair River Hydraulics Analysis
Hydrodynamic Modelling