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Frontiers of Environmental Science & Engineering >> 2017, Volume 11, Issue 4 doi: 10.1007/s11783-017-0973-z

Dynamic design of green stormwater infrastructure

Department of Civil and Environmental Engineering, Villanova University, 800 E. Lancaster Ave, Villanova, PA 19085, USA

Available online: 2017-07-25

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This paper compares ongoing research results on hydrologic performance to common design and crediting criteria, and recommends a change in direction from a static to a dynamic perspective to fully credit the performance of green infrastructure. Examples used in this article are primarily stormwater control measures built for research on the campus of Villanova University [ , ]. Evidence is presented demonstrating that the common practice of crediting water volume based on soil and surface storage underestimates the performance potential, and suggests that the profession move to a more dynamic approach that incorporates exfiltration and evapotransporation. The framework for a dynamic approach is discussed, with a view to broaden our design focus by including climate, configuration and the soil surroundings. The substance of this work was presented as a keynote speech at the 2016 international Low Impact Development Conference in Beijing China [ ].

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