优先考虑城市热岛缓解干预措施:绘制热风险指数
Esraa Elmarakby1, Hisham Elkadi2
1The University of Salford, School of Science, Engineering, and Environment, United Kingdom; Ain Shams University, Faculty of Engineering, Egypt.
The Science of the total environment
|July 22, 2024
概括
极端高温威胁全球气候,增加城市热岛 (UHI) 效应和与高温相关的死亡. 这项研究开发了一个热风险指数 (HRI),以确定脆弱的城市区域,并指导缓解策略.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 气候变化研究 气候变化研究
背景情况:
- 全球气候变化正在增加极端高温事件和热浪.
- 城市热岛 (UHIs) 恶化热浪,增加城市居民的风险.
- 有效的UHI缓解需要系统的方法,如风险映射.
研究的目的:
- 开发和评估一个新的热风险指数 (HRI) 城市热脆弱性.
- 为了整合UHI空间强度,绿色覆盖和人口密度进行风险评估.
- 为了确定曼彻斯特城的高风险地区,以有针对性的UHI缓解.
主要方法:
- 利用遥感,地理信息系统 (GIS) 和SPSS相关分析.
- 通过结合UHI强度,绿色覆盖和人口密度数据开发了一个HRI.
- 专注于曼彻斯特地区地区级的本地化UHI影响评估.
主要成果:
- 大约30%的曼彻斯特城体验UHI效应.
- 城市中心附近的人口密度高,绿色覆盖较低的地区最容易受到伤害.
- 该研究确定了需要优先考虑的UHI缓解策略的特定地区.
结论:
- 开发的HRI有效地识别了城市地区内容易受到高温影响的地区.
- 在更局部 (社区) 的水平上应用HRIs可以提供更有针对性的见解.
- 这种方法支持加强城市弹性和有效的UHI缓解规划.
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