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Deterministic Evaluation of Factors Contributing to the Change in Fall between Lake Michigan-Huron and Lake Erie

Deborah Lee;Travis Dahl
An evaluation was made of the relative impacts of hydrologic and hydraulic factors and their contributions to the changing relationship between Lake Michigan-Huron and Lake Erie water levels. The work focuses broadly on the period subsequent to the most recent navigation channel improvements, 1962 to 2005, with a closer focus on the period from 1996 to 2005. Sensitivity analysis was conducted to examine the contributing factors of channel conveyance, net basin supplies, ice and weed retardation, and Lake Superior outflows.
Deterministic Evaluation of Change in Lake Huron - Erie Fall
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GLERL Monthly Component Net Basin Supplies
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Supporting Content (Show)
Main Topics
St. Clair River
Questions We Asked
How has climate affected Michigan-Huron and Erie level relationship?
Key Findings
Hydroclimate accounts for 9-17 cm of total head decline
Remedial measures should not be taken in the St. Clair
Hydroclimatic Patterns and Trends Analysis