The Greatest Facts About the Great Lakes

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The Greatest Facts About the Great Lakes

The Greatest Facts About the Great Lakes

Sitting happily on the border between the U.S. and Canada, the Great Lakes are called great for a reason. These bodies of water hold some amazing facts that you wouldn’t expect from mere lakes.

1. Lake Superior is the largest of the Great Lakes. In fact it’s so massive that you could fit all four of the other Great Lakes, plus three more Lake Eries into Lake Superior.

2. Isle Royale is an island in Lake Superior. On that island there are actually a variety of smaller lakes. That means those are lakes within a lake.

3. To put Lake Superior into some perspective, it holds a full 10% of the world’s fresh surface water.

4. Although it’s so big, Lake Superior is actually a very young lake compared to most on Earth, a mere 10,000 years old.

5. Scientists put the number of lake trout in Superior at 100 million. That’s about 1/5 of the total human population in North America.

6. Like all lakes, Lake Superior has small outlets through which water can leave, but unlike most, it takes two full centuries for the water to replace itself.

7. Despite being the smallest of the Great Lakes by volume, Lake Erie is surrounded by the most industry with 17 metropolitan areas surrounding it.

8. Together, the shoreline of all the Great Lakes equals about 44% of the circumference of the planet.

9. Hydrologically, Lake Michigan and Lake Huron could be considered one lake, but the Straits of Mackinac separate them into two.

10. The only Great Lake entirely within the U.S. is Lake Michigan.

11. Lake Ontario came before the province Ontario, which was named after the lake.

12. Lake Michigan’s shores hold the largest fresh water sand dunes in the world.

13. Lake Huron holds massive sinkhole with lots of sulfur and low oxygen levels that are probably the same as ancient oceans from 3 million years ago. They have amazingly unique ecosystems.

 

Related topics Great Lakes, lake erie, Lake Huron, Lake Michigan, Lake Ontario, Lake Superior
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