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

Listed author(s):
  • 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)

Registered author(s):

    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.

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    Article provided by MDPI, Open Access Journal in its journal Sustainability.

    Volume (Year): 2 (2010)
    Issue (Month): 8 (August)
    Pages: 1-16

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    Handle: RePEc:gam:jsusta:v:2:y:2010:i:8:p:2467-2482:d:9155
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