ENVIRONMENT: THE SCIENCE BEHIND THE STORIES W/MYENVIRONMENTPLACE Chapter 11 Readings

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Department
Environmental Science
Course
EESA01H3
Professor
Carl Mitchell
Semester
Fall

Description
Chapter 11: Freshwater Systems and Water Resources FRESHWATER SYSTEMS - Only 2.5% of Earths water is freshwater - Of that 2.5%, most is tied up in glaciers and icecaps - Of the 1% that is surface water, most is in lakes and soil moisture Rivers and streams wind through landscapes - River and streams flow downhill, shaping landscapes - A smaller river flowing into a larger one is a tributary - The area of land drained by a river and all its tributaries is that rivers drainage basin or watershed - Areas nearest a rivers course that are flooded periodically are within the rivers floodplain - Riparian (river side) - Water of rivers and streams hosts diverse ecological communities Wetlands include marshes, swamps, and bogs - Wetlands: systems that combine elements of freshwater and dry land - In freshwater marshes, shallow water allows plants to grow above the waters surface - Swamps consist of shallow water rich in vegetation and can occur in forested areas - Bogs are ponds thoroughly covered with thick floating mats of vegetation - Wetlands help with the slowing of runoff, reducing flooding, recharging, and filtering pollutants www.notesolution.com
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