绿色空间和不透气表面对热死亡率关系的影响修改:不相似度指数的差异
Hayon Michelle Choi1, Seulkee Heo1, Michelle L Bell1
1School of the Environment, Yale University, New Haven, CT, USA.
The Science of the total environment
|October 28, 2023
概括
较少的绿地和高度不透的表面增加了热死亡风险. 这种效应在种族/民族多样性较高的地区得到了放大,突出了环境正义问题.
科学领域:
- 环境流行病学环境流行病学
- 城市规划是城市规划.
- 公共卫生 公共卫生
背景情况:
- 热死亡风险因城市环境因素 (如绿地和不透水表面) 而有所不同.
- 之前的研究经常孤立地研究这些因素,忽视了它们的综合效应和社区层面的特征.
- 了解这些相互作用对于有针对性的公共卫生干预至关重要.
研究的目的:
- 调查绿地和不透水表面对热死亡风险的综合影响.
- 探索这些效应是如何被北卡罗来纳州的种族/种族不相似指数所改变的.
- 确定受热影响不成比例的弱势社区.
主要方法:
- 利用了1275个北卡罗来纳州人口普查区 (2000-2016) 的绿地,不透水表面,温度和死亡率的汇总数据.
- 使用分布式滞后非线性模型来估计在人口普查区一级的热死亡率关系.
- 分析了绿色空间,不透水表面和种族/种族不相似性的效果修改.
主要成果:
- 较高的热死亡率相对风险 (RR) 观察到人口普查区的绿色空间较低 (RR=1.08) 和高无透表面 (RR=1.04).
- 热死亡风险最高的地区是种族/民族差异较高的地区,绿色空间较低的地区 (RR=1.13).
- 在种族/种族差异较高的地区,效果修饰更为明显.
结论:
- 低绿地和高不透的表面与增加的热死亡风险有关.
- 种族/民族差异加剧了贫困城市环境对热死亡率的不利影响.
- 调查结果强调需要公平的城市规划和针对性的干预措施在不同的社区,以减轻与热有关的死亡.
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