The Great Lakes have been receding from record high water levels over the past few years. The amount of water that has left the Great Lakes is staggering.
Each Great Lake peaked in a different year, and each of the Great Lakes’ water levels have fallen from there.
Lake Superior peaked 14 inches higher than the current water level. The record high on Lake Superior was in 2019. In three years, Lake Superior has lost 7.7 trillion gallons of water.
Lake Michigan and Lake Huron act as one lake because of the large area of free-flowing water at the Straits of Mackinac. Lakes Michigan and Huron are 8 inches lower than this time last year and a full 25 inches from the record high water level in 2020. So in just two years, Lakes Michigan and Huron hold 20 trillion less gallons of water. Bear in mind the globe uses approximately 10 trillion gallons of water in one year. Now you know why the Great Lakes are called the world’s largest freshwater system. The Great Lakes could literally produce enough water yearly for the entire world.
Researchers at the Institut de Ciències del Mar (ICM-CSIC) in Barcelona have found that global warming is accelerating the water cycle, which could have significant consequences on the global climate system, according to an article published recently in the journal Scientific Reports.
The Arctic is warming faster than anywhere else on the planet, and the toll on Greenland‘s massive ice sheet is becoming achingly clear.
Lake Erie is only one inch lower than this time last year, but 17 inches off its record high water level in 2020. This lowering of the water level represents 2.89 trillion gallons of water.
Lake Ontario has been the Great Lake with the most ups and downs in recent years. Lake Ontario went through its record high water mark in 2017. Since then, its level is lower by 24 inches. Lake Ontario is now 3.12 trillion gallons less water than back in the record high year of 2017.
In all, this adds up to the entire Great Lakes system having lost 33.7 trillion gallons over the past few years.
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