巴黎地区的空间对比度和细度热暴露和脆弱性的时间变化
Gauthier Forceville1, Aude Lemonsu2, Sarah Goria1
1Santé publique France, National French Public Health Agency, Saint Maurice, France.
The Science of the total environment
|October 1, 2023
概括
巴黎地区的热量脆弱性是由城市热岛和缺乏植被驱动的,而不仅仅是社会因素. 大多数与热有关的死亡发生在最脆弱的地区,这突显了需要进行地理评估的必要性.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 城市规划 城市规划
背景情况:
- 热量是欧洲的一个重要的气候风险,受暴露,易感性和适应能力影响的脆弱性.
- 巴黎地区经历了明显的城市热岛效应,温度模式在2015年之后显著转变.
研究的目的:
- 分析2000年至2020年巴黎地区热脆弱性驱动因素的空间和时间模式.
- 评估不同脆弱性集群中的热暴露和死亡率之间的关联.
主要方法:
- 在巴黎地区 (2000-2020年) 的5265个IRIS (小区域) 每日温度建模.
- 对土地使用和社会经济数据进行集群分析,以确定五个热易受影响的区域类别.
- 时间序列分析以调查温度-死亡率关系,按脆弱性集群分层.
主要成果:
- 在城市环境中,具有有限的植被,独立于社会贫困的高温暴露的特点,确定了热易受伤害的地区.
- 在所有脆弱性集群中观察到一致的J形温度死亡率关系.
- 在2000年至2017年期间,大约有8000人死于高温,其中5600人发生在最脆弱的集群中.
结论:
- 地理指标对于确定易受高温影响的地区至关重要,它们补充了个别风险因素评估.
- 城市规划者和决策者可以利用脆弱性评估进行有针对性的干预.
- 需要进一步的跨学科研究来完善热脆弱性评估.
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