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The Hydrologic Cycle

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Michigan Environmental Education Curriculum
Groundwater Supply

The Hydrologic Cycle

As you know, all water in the environment is connected through the hydrologic cycle.  Precipitation brings water to the earth from the atmosphere.  Some of this precipitation traverses the ground surface into streams and lakes (runoff).  Some is released back into the atmosphere through evaporation or transpiration.  Some infiltrates into the ground- this portion is known as ground water.
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