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10,000lakes

Published on Dec 01, 2015

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PRESENTATION OUTLINE

10,000 LAKES

  • Jibril Muse
  • 4th hour

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Photo by Doug Wallick

AERIAL

VIEW OF DULUTH-SUPERIOR HARBOR

SAILBOATS

IN GRAND MARAIS HARBOR LAKE SUPERIOR MINNESOTA

HOW LAKE SUPERIOR FORMED

  • Lake superior and the Great Lakes were formed at end of glacial period.
  • It was formed ten thousand years ago.
  • When the glacier melted, it filled the land with water.
  • The lakes become great resource for transportation and trades.

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LAKE SUPERIOR

  • Is the largest of the greats lakes of North America.
  • Share by Canada, Wisconsin, Michigan ,and Minnesota

LAKE SUPERIOR

  • It is generally considered the largest freshwater lake in the world by surface area
  • It is the world's third-freshwater lake by volume and the largest volume in North America
Photo by nicholas.senn

HOW OLD IS LAKE SUPERIOR

  • At 10,000 years old it is one of the youngest major features on earth lake Baikal in Russia is 25million years old
Photo by jamesrw12

LAKE SUPERIOR IS BOTH DEPOSITION AND EROSION

  • In 1996 the light house lost its entrance building to erosion
  • When the water level is above average,it increases the erosion damage cost by wind stones
  • The APA has found atmospheric deposition has been great source pulluntants to the Great Lakes and other water bodies
  • This pollutants can get in the lakes from the air through rain and snow

FUN FACT

  • Lake Superior is the size of South Carolina
  • Lake Superior is larger than the countries of:czech Republic,Ireland,Latvia,Croatia,Switzerland,And dozen of othres
  • Over 300 rivers and streams flow into Lake Superior
  • The average surface temperature is 40 degrees
Photo by UGArdener

FUN FACT

  • Surface area:31,820 square miles
  • Water volume: 2,900 cubic miles
  • Shore length: 2,725 miles
  • Maximum length: 350 miles
  • Maximum width: 160 miles
Photo by Sam Ilić

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Photo by Jim Sorbie