公众健康受益于通过地球静止卫星数据更好地识别严重空气污染事件

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Katelyn O'Dell¹, Shobha Kondragunta², Hai Zhang³

¹Milken Institute School of Public Health George Washington University Washington DC USA.

GeoHealth

|January 23, 2024

概括

地静止卫星数据显著改善了空气质量警报,每年可能避免54%更多的因PM2.5污染造成的过早死亡. 这种进步为公众健康和经济带来了巨大的好处.

科学领域:

环境科学环境科学
公共卫生公共卫生
遥感遥感遥感遥感

背景情况:

尽管空气质量有所改善,但美国许多人仍然面临不健康的污染水平.
目前的空气质量警报系统依赖于地面监测器和预报器.
卫星数据为监测空气质量和告知公共卫生行动提供了先进的能力.

研究的目的:

评估使用地球静止卫星数据与北极轨道卫星数据用于确定空气质量警报日的公共卫生益处.
量化确定警报日的增加和相关的健康益处,包括避免过早死亡和经济价值.

主要方法:

对2020年粒子状物 (PM2.5) 识别预警日的地球静止和极轨卫星数据进行比较.
计算了"个人警报" (警报日乘以人口) 的增加.
应用现有的PM2.5暴露减少估计通过行为改变量化健康结果.

主要成果:

与北极轨道数据相比,地球静止卫星数据发现了60%的个人警报.
利用地球静止数据每年可以避免额外的1,200 (800-1,500) 个过早死亡,增加了54%.
这些避免的死亡代表了每年13 (8.8-17) 亿美元的经济价值.

结论:

地静止卫星数据为确定空气质量警报日和保护公共健康提供了显著的优势.
这种方法可以大幅增加避免过早死亡的数量,并带来相当大的经济效益.
这些发现支持将静态卫星数据用于公共卫生应用,并为未来的卫星任务规划提供信息.

关键词:

空气质量空气质量是什么公共卫生公共卫生.卫星数据卫星数据卫星数据

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