Constructed Wetlands_CE350

Constructed Wetlands_CE350 - Constructed Wetlands Concepts...

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Constructed Wetlands: CE 350 Presentation July 30, 2004 James Hunter [email protected]
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Introduction Applications Contaminant removal processes Maintenance and monitoring
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Wetland – land where the water table is near or above the ground surface long enough to maintain saturated soil conditions and growth of related vegetation. Wetlands are transitional areas between land and water. Term “wetlands” can include bogs, marshes, swamps, wet meadows, floodplains, and riparian areas.
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Distinctions (cont’d) Substrate (soil or gravel) is saturated to create oxygen-poor conditions Wetland species will adapt to low-oxygen environments. These are usually vascular plants. Hydrology consists of slow flows, enabling prolonged contact times within the wetland.
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Functions/Values of Natural Wetlands Trap sediment Cycle nutrients Store and slow floodwaters Habitat for fish & wildlife Water quality improvements Recreation (hunting & fishing) Enhanced landscape Education/research
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What is a constructed wetland (CW)? Natural treatment system – A system that
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Constructed Wetlands_CE350 - Constructed Wetlands Concepts...

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