NOAA: Great Lakes Ice Cover Decreasing Over the Last 40 Years Great Lakes Ice Cover Decreasing Over the Last 40 Years Author: Tom Di Liberto A downward trend since the 1970s in the annual maximum extent of Great Lakes ice cover, which reaches a maximum every year during late winter and early spring, spells trouble for the Great Lakes ecosystem and the people who rely on it. The first image shows […] Weather WeatherBrains | July 11, 2018 0 Comments
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