Low Impact Development Design—Integrating Suitability Analysis and Site Planning for Reduction of Post-Development Stormwater Quantity

Xinhao Wang, William Shuster, Chandrima Pal, Steven Buchberger, James Bonta and Kiran Avadhanula
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Xinhao Wang: School of Planning, College of Design, Architecture, Art, and Planning, University of Cincinnati, Cincinnati, OH 45221-0016, USA
William Shuster: 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
Chandrima Pal: School of Planning, College of Design, Architecture, Art, and Planning, University of Cincinnati, Cincinnati, OH 45221-0016, USA
Steven Buchberger: Department of Civil and Environmental Engineering, College of Engineering, University of Cincinnati, Cincinnati, OH 45221-0071, USA
James Bonta: North Appalachian Experimental Watershed, Agricultural Research Service, United States Department of Agriculture, Coshocton, OH 43812, USA
Kiran Avadhanula: School of Planning, College of Design, Architecture, Art, and Planning, University of Cincinnati, Cincinnati, OH 45221-0016, USA

Sustainability, 2010, vol. 2, issue 8, 1-16

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 (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2010
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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