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Input Projects
Residual NBS
GLERL Component NBS
View all 4 input projects
Direct Observations of Evaporation
MESH Component NBS
Dependent Projects
Hydroclimate Synthesis and Summary

Closing the Great Lakes Water Balance using Environment Canada's MESH Model and GLERL NBS Estimates



Contributors
Vincent Fortin;Erika Klyszejko, Alain Pietroniro
Abstract
In this project a methodology was proposed for projecting the five-year MESH hindcast of component net basin supplies further into the past using GLERL component NBS estimates, in order to explore whether uncertainty in component NBS, as assessed from differences between GLERL and MESH component NBS, is sufficient to explain systematic differences with residual NBS and move closer to closing the Great Lakes water balance. The back-projected MESH NBS were found to agree better with residual NBS than GLERL component NBS for all lakes.
Reports:
Back-Projection of MESH Component NBS using GLERL Estimates
Viewable Data:
MESH Back Projection (MBP) NBS Data
Presentations:
GLERL component NBS to back-project MESH component NBS
Additional Data and Information

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Supporting Content (Show)
Main Topics
Hydroclimate Information
Questions We Asked
What are the historical NBS estimates & how have changes affected lake levels?
Key Findings
Increasing evaporation and precipitation are offsetting, except on Superior
Recommendations
Improve understanding of hydroclimatic processes & impacts
Tasks
Assessing Reliability of Historical Data