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University of Windsor invasive species research centre closes
CBC News (5/27)
The Canadian Aquatic Invasive Species, based at the University of Windsor, is closing because it's run out of federal funding.

Stockbridge HS invention to monitor Great Lakes pest
Lansing State Journal (5/27)
In Michigan, a team of Stockbridge High School students has spent the past year designing an underwater camera to keep tabs on the state’s fight against invasive sea lampreys. Next week their invention will get its first real test.

'Once in a lifetime ' experience: Lighthouse keeper on Lake Superior
CBC News (5/19)
A group is hiring two students to serve as lighthouse keepers this summer on Porphyry Island, about 40 kilometers east of Thunder Bay, Ont.

Superior students set sail for hands-on learning about St. Louis River, Lake Superior
Wisconsin Public Radio (5/16)
Close to 1,500 students from northern Minnesota and Wisconsin set sail for a day on St. Louis River to learn about the Great Lakes, as part of the week-long St. Louis River Quest.

Tree group aims to ‘ReLeaf’ Michigan
WKAR - East Lansing, MI (5/10)
An Ann Arbor-based organization has been planting trees all over Michigan since 1988. ReLeaf Michigan helps property owners learn about trees and how to plant them, citing their numerous benefits.

Coldwater bacteria threatens Great Lakes salmon
Charlevoix Courier (5/3)
A new study shows a bacterial disease that sickens fish whether raised in captivity or in the wild is imperiling popular salmon species in the Great Lakes Basin.

TEACH Calendar of Events
What's going on in your neighborhood this month? Meet other people and learn together at recreational and educational events! Our new dynamic calendar is updated daily with current educational events.
Great Lakes Geography

table of contents
Introduction to the Great Lakes
The Great Lakes watershed
Lake Superior
Lake Michigan
Lake Huron
Lake Erie
Lake Ontario

Introduction to the Great Lakes

The Great Lakes--Superior, Michigan, Huron, Erie and Ontario--and their connecting channels form the largest fresh surface water system on Earth. North America from space. Click for a larger image.If you stood on the moon, you could see the lakes and recognize the familiar wolf head shape of Lake Superior, or the mitten bounded by lakes Michigan, Huron and Erie.

Lake Michigan beach. Click for a larger image. The Great Lakes, in their current state, are actually one of the youngest natural features on the North American continent. Covering more than 94,000 square miles and draining more than twice as much land, these Freshwater Seas hold an estimated 6 quadrillion gallons of water, about one-fifth of the world's fresh surface water supply and nine-tenths of the U.S. supply.

Fun Facts
Spread evenly across the contiguous 48 states, the lakes' water would be about 9.5 feet deep.

All five of the Great Lakes are among the world's 18 largest lakes by area and volume.

The Great Lakes and islands within them have more than 10,000 miles of coastline.

More about the Great Lakes

Graphics: North America from space; Lake Michigan beach.


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