[Greenbelt Park]

Greenbelt Park's streams and wetlands vividly demonstrate that what goes on outside the boundary of a park can have a profound effect on the park itself. Streambeds within the park are deeply scoured and eroded. The water that courses through them is laden with silt, and carries nutrients, oil, and other pollutants. Why? The acres of pavement around the park absorb no water; fertilizers and lubricants know no boundaries.
Water running through Greenbelt Park eventually finds its way into the Anacostia River, the Potomac, the Chesapeake, and finally the Atlantic. The National Park Service is working to rehabilitate the water that flows through the park by constructing wetland buffer areas and installing "check dams" - barriers that help slow the flow of water and filter urban pollution caused by cars and development.

Photo captions:
The reason for excessive runoff into Greenbelt Park is apparent in this aerial view (above). The park is virtually surrounded by pavement. Greenbelt is within the Anacostia River drainage. The river has been plagued by sediment and pollution. Efforts like those at Greenbelt Park will eventually help the river recover.
[Map of the Anacostia River watershed - highlighting Greenbelt Park and the U.S. Capitol in Washington, D.C.]

Development around the park pre-dated modern storm water management methods; during storms, water levels in park streams far exceed what they would have been 60 years ago. Many streambeds in the park are badly eroded.

The park has one natural wetland, just off the Blueberry Trail (the trail begins about 25 yards from the ranger station). Wetlands provide habitat for many species, slow the flow of water during storms, and help filter silt and impurities.

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Show me all markers in:  Greenbelt, MD  |  Prince George's County  |  20770  |  Maryland  |  United States of America

Greenbelt Park
Greenbelt: A Bold Experiment
Greenbelt Park
Carrington Avenue
Charlton Avenue
Town of Berwyn Heights
Edmonston Road
Time of Horror
Greenbelt: A Bold Experiment
Greenbelt Park

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