What is the future of Lake Michigan?

Those findings are consistent with a study from Michigan Technological University. That study found Lake Superior is expected to rise on average by 7.5 inches while levels on the Lake Michigan-Huron system is projected to increase 17 inches by 2050 due to climate change.



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According to the average of their simulation ensemble, by 2040–2049, the average annual water levels of Lake Superior, Michigan-Huron, and Erie are projected to increase by 0.19, 0.44, and 0.28 m, respectively, relative to 2010–2019 under the Representative Concentration Pathway (RCP) 8.5 scenario.

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Current pressures on the Lake Michigan ecosystem include increasing use of groundwater by a growing basin population, disruption of the aquatic food web, and habitat alteration.

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Over the past two years, the water level declines have been a little more than average and the water level increases have been less than average. This is especially true on Lakes Michigan and Huron.

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According to the average of their simulation ensemble, by 2040–2049, the average annual water levels of Lake Superior, Michigan-Huron, and Erie are projected to increase by 0.19, 0.44, and 0.28 m, respectively, relative to 2010–2019 under the Representative Concentration Pathway (RCP) 8.5 scenario.

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Climate change will exacerbate a range of risks to the Great Lakes, including changes in the range and distribution of some species, increases in invasive species and harmful blooms of algae, and declines in beach health. Ice cover declines will lengthen the commercial navigation season.

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The water level on Lake Michigan fell one inch from July 11, 2023 to Aug. 11, 2023. The current lake level is just under 580 feet, which is still about 5 inches above the long-term average for the month and approximately 4 inches below the lake level at the same time last year.

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Climate change is fueling more extreme Lake Michigan Water levels, along with stronger winds and heavier storms. These conditions exacerbate erosion, beach loss, and damage along the shore.

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The primary driver of water levels are precipitation, evaporation, and river flow into the lakes, also referred to as net basin supply. The long term trend for both precipitation and evaporation has been upward over the last several decades.

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It is just one of the Great Lakes experiencing warming temperatures. All of the Great Lakes—Superior, Michigan, Huron, Erie and Ontario—have been warming for the past several decades. Scientists put this mainly down to climate change.

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Lake Michigan is generally clean and safe for swimming but it can become contaminated with harmful bacteria.

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Lake Erie and Lake Michigan are ranked the third and fourth most polluted lakes in the United States, according to nature website AZ Animals.

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The lake's formation began 1.2 billion years ago when two tectonic plates moving in opposite directions left a giant scar—an event now known as the Midcontinent Rift. Less than 15,000 years ago, melting glaciers filled the giant basin, and Lake Michigan came to be. The lake's maximum depth is 925 feet.

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That study found Lake Superior is expected to rise on average by 7.5 inches while levels on the Lake Michigan-Huron system is projected to increase 17 inches by 2050 due to climate change.

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While the Great Lakes will freeze over partially during the winter, they almost never freeze completely. This is mainly due to their size. The Great Lakes are too large to freeze over entirely on a regular basis.

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The Great Lakes shoreline is an actively eroding coast. Some shorelines erode more quickly than others. These are high risk erosion areas (HREAs). The HREAs are eroding at an average rate of one foot or greater per year over at least 15 years.

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The Great Lakes are struggling under the combined weight of many ailments, from invasive species and toxic chemicals to the nutrient runoffs that fuel Lake Erie's chronic algae problem. And in many cases, climate change is making it worse.

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The lowest monthly average lake level for the representative network of gages on Lake Michigan/Huron, 576.02 feet IGLD 1985 International Great Lakes Datum, occurred in January 2013. The highest monthly average lake level for the network of gages, 582.35 feet IGLD 1985, occurred in October 1986.

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OTTAWA COUNTY, Mich. – While tsunamis are most often associated with oceans, they are more common in the Great Lakes than you may expect. Around 106 meteotsunamis are observed in the Great Lakes each year, although many are too small to notice.

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Invasive zebra mussels are mostly responsible for the increased clarity of Lake Michigan. About 25 years ago, Lake Michigan's water was somewhat of a brownish-green color, very different from the pristine blue-green appearance of today.

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The loss of water in December is therefore to be expected. Lake Superior declined 2 inches from November 30, 2022 to December 30, 2022. This is a fairly typical amount of water decline for December. It represents what sounds like a bunch of water: one inch of water on Lake Superior equally 550 billion gallons of water.

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