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Assessing Reliability of Historical Data

As part of its hydroclimatic analysis, the IUGLS assessed the representativeness of historical variations in hydroclimate and net basin supply data to provide insights into the potential impacts of climatic extremes and possible future trends. This information was critical for ensuring that any Lake Superior regulation plan developed would be robust; that is, capable of meeting particular regulation objectives under a variety of uncertain future water level conditions. It was determined that a broad range of scientific approaches, in addition to climate modelling, should be explored to provide information relative to possible future climate scenarios. This would provide a greater range of possible conditions for consideration and alert investigators to any inconsistencies between model projections and the climates of the past.
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