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Sustainability 2017, 9(1), 145; doi:10.3390/su9010145

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

1
Department of Urban Engineering, Chungbuk National University, Cheongju 28644, Korea
2
Department of Urban Environment Research, Land & Housing Institute, Daejeon 34047, Korea
3
Korea Adaptation Center for Climate Change, Korea Environment Institute, Sejong 30147, Korea
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Tan Yigitcanlar
Received: 10 November 2016 / Revised: 4 January 2017 / Accepted: 13 January 2017 / Published: 19 January 2017
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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. View Full-Text
Keywords: low impact development; urban planning; district unit planning; LID-based district unit planning model; land-use planning low impact development; urban planning; district unit planning; LID-based district unit planning model; land-use planning
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MDPI and ACS Style

Son, C.H.; Hyun, K.H.; Kim, D.; Baek, J.I.; Ban, Y.U. Development and Application of a Low Impact Development (LID)-Based District Unit Planning Model. Sustainability 2017, 9, 145.

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