학술논문

Research on the effectiveness of green infrastructure installation on underutilized land in cities with declining population Focusing on flood control and thermal environment improvement effects / 人口減少都市における低未利用地を対象としたグリーンインフラ導入効果に関する研究 洪水抑制効果と熱環境改善効果に着目して
Document Type
Journal Article
Source
都市計画論文集 / Journal of the City Planning Institute of Japan. 2023, 58(3):796
Subject
Flood control
Green infrastructure
Numeric calculation
Thermal environment
Underutilized land
グリーンインフラ
低未利用地
数値計算
洪水抑制
熱環境
Language
Japanese
ISSN
0916-0647
2185-0593
Abstract
Green infrastructure (GI) has attracted attention as a measure for mitigating flood damage and high urban temperatures caused by climate change. In recent years, the amount of underutilized land in local cities has increased significantly because of population decline, which can be effectively used as GI sites. This study was conducted in the central area of Kure City, Hiroshima Prefecture, to understand the effects of GI on flood control and thermal environment improvement and identify areas where GI introduction is highly effective. Findings show that the introduction of GI into underutilized land can somewhat reduce flood damage and urban hyperthermia. In particular, the introduction of GI into sloping urban areas with declining populations has proven to be effective.

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