热带森林砍伐与与高温相关的死亡率有关
C L Reddington1, C Smith1, E W Butt1
1Institute for Climate and Atmospheric Science, School of Earth and Environment, University of Leeds, Leeds, UK.
概括
热带森林砍伐导致当地气候变暖,每年约有28000人因高温死亡. 这种变暖影响着数百万人,特别是在东南亚,非洲和美洲,加剧了气候变化的健康风险.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 气候科学 气候科学
背景情况:
- 热带森林砍伐有助于当地变暖.
- 这种变暖对人类健康构成重大风险,包括热应激和减少安全户外工作时间.
研究的目的:
- 在热带地区量化森林砍伐引起的局部变暖与与热有关的死亡率之间的关联.
- 评估因森林砍伐而暴露于变暖的人数,并确定高风险地区.
主要方法:
- 一个泛热带评估利用2001-2020年的卫星数据.
- 分析人口暴露情况,并计算因森林砍伐造成的局部变暖而导致的与热有关的死亡率.
主要成果:
- 森林砍伐与每年大约28,000例与热量相关的死亡有关.
- 在2001-2020年期间,由于热带森林砍伐,超过3.45亿人受到当地变暖 (0.27°C) 的影响.
- 东南亚,热带非洲和美洲的森林砍伐地区的热带死亡率最高.
结论:
- 热带森林砍伐对当地变暖和与热相关的死亡率做出了重大贡献.
- 森林砍伐导致的变暖占了受影响地区与气候有关的热死亡率的三分之一以上.
- 缓解森林砍伐对于减少与热有关的健康风险和应对气候变化影响至关重要.
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