If you’ve been wondering whether rapidly melting ice in the Arctic will eventually flood Green Bay and Bayfield, stop worrying. You see, the Great Lakes are higher than the Atlantic Ocean, about 600 feet higher at Lake Superior, said Michael Donahue, president and chief executive of the Great Lakes Commission. So the water flows downhill to the ocean, not uphill to the lakes.
John Magnuson, UW-Madison professor emeritus of limnology, is also quoted.