유휴지를 활용한 최적의 도시 녹지 공간 탐색 - 녹지연결성과 열 환경 개선을 목적으로- = Exploration of Optimal urban green space using unused land -To improve green connectivity and thermal environment-

다국어 초록 (Multilingual Abstract)

Urban green areas are generally composed of relatively small and fragmented patches, but it is a critical factor for the quality of an urban environment. They have positive effects such as increasing green connectivity, reducing runoff, and mitigating urban heat. But, there is a lack of urban greening plans that consider the comprehensive effects of green space in real urban areas. To fill this gap in this literature, this study identifies a planning model that determines the optimal locations for max- imizing green areas’ multiple effects(e.g., heat mitigation and enhancement of connectivity) by using unused lots. This model also considers minimizing costs using meta-heuristic optimization algorithms.
As a results, we finds 50 optimal plans that considers two effects within the limited cost in Nowon-gu.
The optimal plans show the trade-off effect between connectivity, heat mitigation and cost. They also show the critical unused land lots for urban greening that are commonly selected in various plans. These optimal plans can effectively inform quantitative effectiveness of green space and their trade-off. We expect that our model will contribute to the improvement of green planning processes in reality.

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