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Study on Rainwater Utilization in Eco-Area

Study on Rainwater Utilization in Eco-Area,10.1109/icbbe.2011.5781630,Chenrui Peng,Xinhua Zhao,Yimei Tian,Bin Gao

Study on Rainwater Utilization in Eco-Area  
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Rainwater is supplied to landscape water in a certain eco-area to balance its water quantity. Quality of the landscape water is rehabilitated and maintained by water circulation and ecological treatment. Quantity of the rainwater which can be collected and used as water resource in the area is calculated. The principle, flow, and main design parameters of the ecological treatment system including the constructed wetland are discussed in detail. The total area of the area studied is 375.8ha; the area of landscape water in the area is 142.5ha. Evaporation and infiltration make the landscape water reducing ceaselessly. So water should be supplied to the landscape water termly to make the total water quantity invariable. Rainwater in the area can be collected and used as one kind of supplementary water resources. Considering the landscape water has both ornamental and entertainment function, the water quality should come up to Ⅳ class according to 《Environmental quality standards for surface water》 .The quality of the landscape water is rehabilitated and maintained by water circulation and ecological treatment.
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