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Formulation and Evaluation of New Multi-Lake Regulation Plans

Bryan Tolson;Saman Razavi, Masoud Asadzadeh
An exploratory analysis was conducted on the potential of multi-lake regulation to address the impacts of uncertain future hydrological conditions in the Great Lakes-St. Lawrence River system. The main objective was to investigate the capacity of multi-lake regulation to reduce the frequency of occurrence of extreme water level conditions within the system under potential future extreme water supply scenarios. Extreme scenarios were selected and optimization tools were used to develop new multi-lake regulation plans, which consisted of new regulation rules for the existing control structures on the St. Marys and St. Lawrence rivers, as well as hypothetical structures on the St. Clair and/or Niagara rivers. Multi-lake plans were developed and evaluated against two objectives, a risk-based objective, as measured by a plan's ability to reduce the risks from extreme water levels, and the costs to implement such plans, including control structure construction and excavation required.
Formulation & Evaluation of New Great Lakes Control Structures
Preliminary 3-Point Multi-Lake Plan Results
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Supporting Content (Show)
Main Topics
Water Level Restoration
Multi-Lake Regulation
View all 3 main topics
Adaptive Management
Questions We Asked
Can multi-lake regulation address extremes?
Key Findings
Potential for multi-lake regulation to address extremes is limited
Multi-lake regulation should not be pursued
Multi-Lake Regulation