GLwater-movement

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GL / GL Water / Water Movement

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Last updated in September, 2000

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	You must have heard of the water cycle. The sun heats the surface of the earth, water evaporates, water vapor rises in the atmosphere and ools and condences, precipitation falls, and then water flows in the streams, rivers, lakes, and oceans. Vegetation and ground water are important links in the movement of waters as well. Geological features and air movement can affect water movement in the Great Lakes. Water movement can be modified and disturbed by a variety of human activities such as construction of water channel and water level control.

	1. If you do not know which way the water flows through the Great Lakes, what information would you need to find? 2. How do you think changes in water movement will affect water organisms living in lakes?

	No specific materials regarding the Great Lakes basin are available now at OSG.

	1. Earth Systems - Education Activities for Great Lakes Schools Climate and Water Movement How does water move in the Great Lakes basin? How is weather influenced by the Great Lakes? What causes storm surges? How do storm surges affect water levels on Lake Erie? How do the levels of the Great Lakes change? How do the Great Lakes change through the seasons? 2. The Great Lake Erie Ch. 2. The Geological Setting of the Great Lakes

	From Great Lakes Information Network (GLIN)
	From Great Lakes Information Network (GLIN)
	1. Lake Erie Facts and Figures http://www.great-lakes.net/refdesk/almanac/lakes/eriefact.html 2. Factors Affecting Great Lakes-St. Lawrence System Flows http://www.great-lakes.net/envt/water/flowfact.html 3. Animated Lake Erie Wind Setup Events (1997 and 1998) http://www.lre.usace.army.mil/levels/980217.html 4. Interactive Marine Observation: Recent Wave and Wind Data http://www.cciw.ca/glimr/water-levels/intro.html 5. Great Lakes Forecasting System, Marine Observation Station http://superior.eng.ohio-state.edu/marobs/nf-index.html

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