The Great Lakes contain 20% of the world's available (not in the ice caps) surface fresh water and half of that water is stored by Lake Superior.
The clearest and cleanest of the Great Lakes is Superior.
Which Great Lake is the dirtiest?
Lake Ontario received its ‘worst' grade because of wide mercury and PCB contamination, as well as invasive sea lampreys and zebra and quagga mussels. Lake Erie, on the other hand, has a number of problems of its own.”
Which Great Lake is the warmest?
Lake Erie has a pleasant 77 degrees, with an average temperature of 75 degrees. When compared to the long-term average, Lake Ontario is the warmest Great Lake. The long-term average for Lake Ontario is 71 degrees, whereas it's only 73 degrees on the surface. Only one of the Great Lakes, Superior, has temperatures that are cooler than the long-term average.
Which Great Lake is the deadliest?
The Great Lakes are all hazardous, but Lake Michigan is the most deadly for one simple reason. The unique formation of Lake Michigan accounts for its danger.
Which Great Lake is the least polluted?
The largest volume of water resides in Lake Superior, which has the most water in the Great Lakes. It's the coldest and deepest, as well as the cleanest. There are very few polluted areas in Lake Superior.
What is the prettiest Great Lake?
South Bass Island, Ohio — Lake Erie.- With its sandy shores, crystal-clear water, and postcard views, it's no wonder that Lake Erie is considered the prettiest of the Great Lakes.
What great lake has the most shipwrecks?
Why is there a shipwreck museum on Whitefish Point? We know that there are over 6,000 shipwrecks in all five Great Lakes, with more than 30,000 lives having been lost. Lake Superior is one of the most dramatic, but it doesn't have the highest concentration of wrecks.
Which Great Lake is at the lowest elevation?
Lake Erie is the smallest of the five Great Lakes in terms of area and it is also the shallowest. With an average depth of only 62 feet (19 m), it has a maximum depth of 210 feet (64 m). Lake Erie is at the lowest elevation among the Great Lakes with an average surface elevation of 571 feet (174 m) above sea level.
Which of the Great Lakes is the coldest?
Lake Superior- At 2,700 feet deep, it is also the deepest of the Great Lakes. Lake Superior contains 10% of the world's fresh surface water and is fed by 200 rivers. It has an average surface temperature of 40 degrees Fahrenheit (4 degrees Celsius).
Are there sharks in the Great Lakes?
It's highly unlikely a shark would be swimming in Lake Michigan, given that the Great Lakes are freshwater lakes and sharks prefer saltwater. Furthermore, Lake Michigan is roughly 2,000 miles from the nearest ocean.
Why is Lake Erie so dirty?
By the late 1960s, people were claiming that "Lake Erie is dead." Heavy industry lined its shores in Cleveland and other towns, and factories pumped chemicals into the lake and waterways that flowed into it without much government regulation.
Is it safe to swim in the Great Lakes?
The Great Lakes can inflict a savage toll on swimmers. High winds and deadly rip currents make swimming in the Great Lakes hazardous and unpredictable; most beaches have no lifeguards, and hundreds of people perish in the lakes each year.
What is the most dangerous animal in Lake Michigan?
The three most poisonous fish species that may be found in the lake's waters are also listed.
- Snakehead.- With its large mouth, toothy grin and ability to slither on land, the snakehead is an invasive species that has been wreaking havoc in the Great Lakes region.
- Piranha.- These toothy predators are native to South America but have been found in the Great Lakes on occasion.
- Sea Lamprey.- These parasitic fish attach themselves to larger fish and suck their blood.
Is Lake Ontario still polluted?
Lake Ontario, which is the most downstream of all the Great Lakes, is almost certainly the most polluted. “Your fish warnings are more serious in Lake Ontario,” says Ontario's Environmental Commissioner, Gord Miller.
Which Great Lake is polluted?
The most endangered of the five Great Lakes, in terms of multiple threats — from zebra mussels to pollutants to light pollution from brightly lit shoreline cities — are Lakes Erie and Ontario, according to an analysis of 34 stressors on the world's largest.
Is it safe to swim in Lake Superior?
The water in Lake Superior is extremely chilly. Because it's so cold, few people swim in Lake Superior. They don't swim due to the fact that the lake is so harsh because most individuals do not understand how fierce the lake can be.
What is the dirtiest river in the US?
Mississippi River-The Mississippi River is the second longest river in North America, flowing 2,340 miles from its source at Lake Itasca through the center of the continental United States to the Gulf of Mexico.
What is the best Great Lake to visit?
There is no definitive answer, as each of the Great Lakes has its own unique charms. However, some of the most popular destinations include Niagara Falls, Mackinac Island, and the Apostle Islands.
Did anyone survive Edmund Fitzgerald?
On November 10, 1975, the crew of the SS Edmund Fitzgerald perished when their ship sank in a Lake Superior storm while on its way from Wisconsin to Michigan. For 17 years, Minnesota taconite iron ore was carried by the Edmund Fitzgerald from mines near Duluth to iron works around Detroit, Toledo, and other Great Lakes ports.
Why are the Great Lakes so high?
When the lake is already high, this may indicate that ferries to the islands can't operate because they can't safely load automobiles or people. The entire Great Lakes are presently full due to approximately 92 percent of Lake Erie's water coming from the upper lakes through the Detroit River into Lake Erie.
Why is Edmund Fitzgerald so famous?
The S.S. Edmund Fitzgerald was a 414-foot iron ore freighter that served the Great Lakes for 35 years and was launched in 1957 by Great Lakes Engineering Works. She sailed without incident until September 6, 1969, when she ran aground near the Soo Locks, causing internal and external damage to the vessel.
How warm does Lake Michigan get?
The average temperatures in Lake Michigan during the winter season are currently 36-39 degrees Fahrenheit (3-4 degrees Celsius). The temperature on the shores is lower, but it gradually rises as you go toward the middle of the lake.
How warm does Lake Superior get?
The temperature of the surface of Lake Superior varies with the seasons, but the temperature below 110 fathoms (660 ft; 200 m) is always about 39°F (4°C). This seasonal stratification is due to the variation in temperature.
Is Lake Michigan warmer than Lake Erie?
Lake Erie and Lake Ontario are two of the most warmly regarded freshwater bodies in the world. The average surface temperature of the entire lake is 67.8 degrees, which is approximately 5.9 degrees hotter than usual.
What’s the warmest Lake Michigan gets?
From late winter's 32-degree temperatures, August is frequently the month when Lake Michigan's water temperature reaches its highest level. In the warmest summers, readings usually top out at the upper 70s.
Are Great Lakes water levels rising?
According to brand-new research, the water levels of the Great Lakes rise and fall on a 13-year cycle, with surprising connections to Wisconsin's tiny lakes and aquifers. Since 1998, Watras said, water levels have been declining. “Our lakes have never been lower than they are right now.”
What is the water level of Lake Michigan?
This has been a year of extreme water levels, and the trend appears to continue. Check out this graph, which shows the average Lake Michigan/Lake Huron water level over the last 20 years. The most recent observed height of 176.73 meters or 579.82 feet is the highest recorded level since July 1998! So far this summer, the lake has risen about 3 inches (7.6 centimeters).
Why are the Great Lakes shrinking?
This week, the U.S. Army Corps of Engineers announced that two of America's Great Lakes, Lake Michigan and Lake Huron, are at their lowest water levels since 1920, when records began. Researchers are searching for a solution to keep water from leaving the lakes.
Why is Lake Erie water so high?
According to Mackey, water levels on Lake Erie change swiftly owing to its small and shallow nature. A natural phenomenon known as a seiche occurs when high water raises the level of water in the lake as a result of wind or atmospheric pressure. Winds around Lake Erie can produce a 10-foot difference between Toledo and Buffalo.
Do the Great Lakes freeze?
They do, however, have a lot of ice coverage, with significant sections of the lake becoming icy in the coldest months. The Great Lakes have had an average long-term ice cover of 55% for over four decades, and certain regions are consistently frozen. In that period, the lakes reached 80% ice coverage only five times.