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http://dx.doi.org/10.9715/KILA.2021.49.1.019

Visual Improvement Analysis of Small Scale Urban Regeneration Projects Focusing on '72 Hour Project'  

Kim, Hyun-Jung (Seo-Ahn Total Landscape)
Kim, Young-Min (Dept. of Landscape Architecture, University of Seoul)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.49, no.1, 2021 , pp. 19-30 More about this Journal
Abstract
This research studied the effect of visual improvement of "72 Hour Project" that has regenerated small scale derelict spaces in Seoul through citizen participation. 29 projects built form 2016 to 2019 were analyzed. The research analyzed landscape image preference of before and after status of projects using 12 pairs of landscape adjectives. Basic statistical analysis, correlation analysis, factor analysis, cluster analysis, and ANOVA were performed based on the survey results. Since the satisfaction level of the projects compared with the before-condition was 3.63 higher than 3.00, it could be concluded that there was an meaningful effect of visual improvement after completion of the projects. As the result of the factor analysis, landscape adjective pairs were categorized into two factors: harmony and aesthetics. Through the cluster analysis, four clusters were formed and characteristics of each cluster were identified. As the result of rhe cluster analysis, the cluster with the high harmony level and the aesthetics level showed the highest overall satisfaction level. Comparing each cluster, it could be concluded that the factor of harmony was more important than the factor of aesthetics in evaluating the satisfaction level of projects. Analyzing qualitative aspects of project groups, spatially well-balanced design with generous vegetation areas was more effective in landscape improvement than artistic design with visually strong installations. Further researches based on behavior studies of actual users are required to compensate the limits of this research. This research can contribute to establish the improved direction of policies to regenerate various types of small scale derelict spaces.
Keywords
72 Hour Project; Landscape Analysis; Derelict Space; Urban Regeneration; Tactical Urbanism;
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