Friday, January 16, 2009
A Brief Overview Of Lake Levels For The Last 16,000 Years
Great Lakes water level sensitive to climate change
...the last time lake levels fell dramatically - down to 20 meters below the basin overflow outlets - it was due to dry climate conditions."
That event, which occurred between 7900 and 7500 years ago in the early Holocene period, caused the lakes to become disconnected as their overflow rivers, including the Niagara River, ran dry.
Labels: history, water levels
