Development and Application of a Low Impact Development (LID)-Based District Unit Planning Model

Cheol Hee Son, Kyoung Hak Hyun, Donghyun Kim, Jong In Baek and Yong Un Ban
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Cheol Hee Son: Department of Urban Engineering, Chungbuk National University, Cheongju 28644, Korea
Kyoung Hak Hyun: Department of Urban Environment Research, Land & Housing Institute, Daejeon 34047, Korea
Donghyun Kim: Korea Adaptation Center for Climate Change, Korea Environment Institute, Sejong 30147, Korea
Jong In Baek: Department of Urban Engineering, Chungbuk National University, Cheongju 28644, Korea
Yong Un Ban: Department of Urban Engineering, Chungbuk National University, Cheongju 28644, Korea

Sustainability, 2017, vol. 9, issue 1, 1-18

Abstract: The purpose of this study was to develop a low impact development-based district unit planning (LID-DP) model and to verify the model by applying it to a test site. To develop the model, we identified various barriers to the urban planning process and examined the advantages of various LID-related techniques to determine where in the urban development process LID would provide the greatest benefit. The resulting model provides (1) a set of district unit planning processes that consider LID standards and (2) a set of evaluation methods that measure the benefits of the LID-DP model over standard urban development practices. The developed LID-DP process is composed of status analysis, comprehensive analysis, basic plan, and sectoral plans. To determine whether the LID-DP model met the proposed LID targets, we applied the model to a test site in Cheongju City, Chungcheongbuk-do Province, Republic of Korea. The test simulation showed that the LID-DP plan reduced nonpoint source pollutants (total nitrogen, 113%; total phosphorous, 193%; and biological oxygen demand, 199%); reduced rainfall runoff (infiltration volume, 102%; surface runoff, 101%); and improved the conservation rate of the natural environment area (132%). The successful application of this model also lent support for the greater importance of non-structural techniques over structural techniques in urban planning when taking ecological factors into account.

Keywords: low impact development; urban planning; district unit planning; LID-based district unit planning model; land-use planning (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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