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Wednesday, February 03, 2010

INTERESTING FACTS ABOUT LAKE SUPERIOR


LAKE SUPERIOR FACTS

· Lake Superior contains ten percent of all the fresh water on the planet Earth.

· It covers 82,000 square kilometers or 31,700 square miles.

· The average depth is 147 meters or 483 feet.

· There have been about 350 shipwrecks recorded in Lake Superior .

· Lake Superior is, by surface area, the largest lake in the world.

A Jesuit priest in 1668 named it Lac Tracy , but that name was never officially adopted.

· It contains as much water as all the other Great Lakes combined, plus three extra Lake Eries .

· There is a small outflow from the lake at St. Marys River (Sault Ste Marie) into Lake Huron . but it takes almost two centuries for the water to be completely replaced.

· There is enough water in Lake Superior to cover all of North and South America with water a foot deep.

· Lake Superior was formed during the last glacial retreat, making it one of the earth's youngest

major features at only about 10,000 years old.

· The deepest point in the lake is 405 meters or 1,333 feet.

· There are 78 different species of fish that call the big lake home.

· The maximum wave ever recorded on Lake Superior was 9.45 meters or 31 feet high.

· If you stretched the shoreline of Lake Superior out to a straight line, it would be long enough to reach

from Duluth to the Bahamas .

· Over 300 streams and rivers empty into Lake Superior with the largest source being the Nipigon River .

· The average underwater visibility of Lake Superior is about 8 meters or 27 feet, making it the cleanest and

clearest of the Great Lakes . Underwater visibility in some spots reaches 30 meters.

· In the summer, the sun sets more than 35 minutes later on the western shore of Lake Superior
than at its southeastern edge.

· Some of the world's oldest rocks, formed about 2.7 billion years ago, can be found on the Ontario shore of Lake Superior .

· It very rarely freezes over completely, and then usually just for a few hours. Complete freezing

occurred in 1962, 1979, 2003 and 2009.

1 comment:

Daddio said...

2009? Completely froze over in 2009??!? What happened to global warming? Isn't it supposed to boil over first? Where is OwlGore when we need him?