The Changing Great Lakes: Living with Fluctuating Water Levels
This spring, water levels on all five of the Great Lakes have reached, or are approaching, record highs. The result of unusually high winter and spring precipitation, increased winter ice cover and reduced evaporation, these new highs are the latest in a never-ending series of Great Lakes level fluctuations. Studies show that climate change is causing or contributing to more rapid swings between high and low water levels.