Will Lake Michigan rise with global warming?

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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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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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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For example, Lake Michigan takes most of the summer to heat up and reaches its warmest point by late summer or early fall. Then, as we head into winter, the lake retains much of the heat that it gained during the summer.

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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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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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Threats to the Great Lakes' ecosystems, include invasive species, climate change, pollution, and habitat destruction. Climate change affects water temperatures, weather patterns, and lake levels.

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Freezing temperatures force the lake to develop an ice shelf. On windy days, waves are driven toward the shore. As these waves crash into the shoreline, they also hit the ice shelf. This pushes the water up through the air.

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Although the total volume in the lakes is vast, on average less than 1 percent of the waters of the Great Lakes is renewed annually by precipitation, surface water runoff, and inflow from groundwater sources.

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In winter, the precipitation amounts decline in the colder air. A loss of water level basically comes down to more water flowing out and evaporating than falling as precipitation.

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As of February 14, 2023, ice covered only 6.6 percent of the five freshwater lakes, which is significantly less than the 35-40 percent ice cover that is typical for mid-February, according to data published by the National Oceanic and Atmospheric Administration's (NOAA) Great Lakes Environmental Research Laboratory ( ...

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The Great lakes are fed by rivers which get their water from rain or melting snow, neither is salty. The lakes then ultimately drain into the St. Lawrence River then the Atlantic Ocean. The water drained away is replenished by precipitation which does not contain salt.

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as the warmest Great Lake, the average water temperature on Lake Erie is almost 76 degrees.

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Lake Erie is the shallowest, warmest, and most productive of the Great Lakes. Three distinct basins provide a variety of offshore habitats. The Detroit River, Maumee River, and smaller tributaries drain into the western basin, which averages 24 feet deep and contains extremely nutrient-rich water.

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