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Low Impact Development Design—Integrating Suitability Analysis and Site Planning for Reduction of Post-Development Stormwater Quantity
School of Planning, College of Design, Architecture, Art, and Planning, University of Cincinnati, Cincinnati, OH 45221-0016, USA
Sustainable Environments Branch, National Risk Management Research Laboratory, Office of Research and Development, United States Environmental Protection Agency, 26 W. Martin Luther King Drive, Cincinnati, OH 45268, USA
Department of Civil and Environmental Engineering, College of Engineering, University of Cincinnati, Cincinnati, OH 45221-0071, USA
North Appalachian Experimental Watershed, Agricultural Research Service, United States Department of Agriculture, Coshocton, OH 43812, USA
* Author to whom correspondence should be addressed.
Received: 29 June 2010; in revised form: 14 July 2010 / Accepted: 30 July 2010 / Published: 3 August 2010
Abstract: A land-suitability analysis (LSA) was integrated with open-space conservation principles, based on watershed physiographic and soil characteristics, to derive a low-impact development (LID) residential plan for a three hectare site in Coshocton OH, USA. The curve number method was used to estimate total runoff depths expected from different frequency storms for: (i) the pre-development condition, (ii) a conventional design, (iii) LID design based on the LSA of same building size; and (iv) LID design based on the LSA with reduced building footprints. Post-development runoff depths for the conventional design increased by 55 percent over those for the pre-development condition. Runoff depth for the same building size LSA-LID design was only 26 percent greater than that for the pre-development condition, and 17% for the design with reduced building sizes. Results suggest that prudent use of LSA may improve prospects and functionality of low-impact development, reduce stormwater flooding volumes and, hence, lower site-development costs.
Keywords: soil survey; runoff; soil hydrologic group; urbanization; suitability analysis
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MDPI and ACS Style
Wang, X.; Shuster, W.; Pal, C.; Buchberger, S.; Bonta, J.; Avadhanula, K. Low Impact Development Design—Integrating Suitability Analysis and Site Planning for Reduction of Post-Development Stormwater Quantity. Sustainability 2010, 2, 2467-2482.
Wang X, Shuster W, Pal C, Buchberger S, Bonta J, Avadhanula K. Low Impact Development Design—Integrating Suitability Analysis and Site Planning for Reduction of Post-Development Stormwater Quantity. Sustainability. 2010; 2(8):2467-2482.
Wang, Xinhao; Shuster, William; Pal, Chandrima; Buchberger, Steven; Bonta, James; Avadhanula, Kiran. 2010. "Low Impact Development Design—Integrating Suitability Analysis and Site Planning for Reduction of Post-Development Stormwater Quantity." Sustainability 2, no. 8: 2467-2482.