在印度和周边地区的微粒物质和可归因的死亡率的来源贡献
Deepangsu Chatterjee1, Erin E McDuffie1, Steven J Smith2
1Department of Energy, Environmental, and Chemical Engineering, Washington University in St. Louis, Missouri 63130, United States.
Environmental science & technology
|July 7, 2023
概括
来自住宅燃烧,工业和发电的细颗粒物 (PM2.5) 在2019年导致南亚超过一百万人死亡. 减少传统能源的排放可以显著改善公共卫生.
科学领域:
- 环境健康 环境健康
- 大气化学 大气化学
- 公共卫生 公共卫生
背景情况:
- 细颗粒物 (PM2.5) 是南亚死亡的主要原因.
- 了解排放源对于减轻健康影响至关重要.
研究的目的:
- 量化排放部门和燃料对印度和周边国家的PM2.5质量的贡献.
- 估计不同地区和部门的PM2.5归因死亡率.
主要方法:
- 结合源特定排放估计与化学运输模型模拟.
- 利用高分辨率的混合PM2.5数据和疾病特异性死亡率估计.
- 分析了29个印度州和6个周边国家的数据.
主要成果:
- 2019年,环境PM2.5在南亚造成102万人死亡.
- 住宅燃烧 (28%),工业 (15%) 和发电 (12%) 是主要的行业.
- 固体生物燃料 (31%) 和煤炭 (17%) 是导致死亡率的主要燃料.
结论:
- 通过减少传统能源排放量,可以显著减少PM2.5质量和死亡率.
- 针对住宅燃烧,工业和发电提供了大量的公共卫生益处.
- 家庭空气污染 (HAP) 对印度的死亡负担作出了重大贡献.
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