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Updated: Sep 11, 2025

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由于热应激导致的体力劳动能力损失增加增加了热应激
Seok-Geun Oh1, Seok-Woo Son2,3, Dong-Chan Hong2
1School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea. seokgeunoh@snu.ac.kr.
International journal of biometeorology
|August 15, 2025
概括
全球变暖增加了热应激,增加了身体劳动能力丧失的风险,特别是在危险的热条件下. 政策必须考虑气象变化和热量暴露的区域差异.
科学领域:
- 环境科学 环境科学
- 职业健康 职业健康 职业健康
- 气候变化研究 气候变化研究
背景情况:
- 全球变暖正在增加热浪的频率和强度.
- 炎热和潮湿的天气增加了人口对热压环境的暴露.
- 热应激会导致严重的身体劳动能力丧失和经济风险.
研究的目的:
- 调查因热应激而导致身体劳动能力 (PWC) 丧失的风险.
- 分析PWC损失风险最近的变化,从1985年到2023年,在不同的热量条件下.
- 确定PWC损失风险显著增加的地理区域.
主要方法:
- 在1985-2023年期间分析热应激数据和身体劳动能力丧失风险.
- 热应激日分为舒适 (20-29°C),不舒服 (30-45°C) 和危险 (>45°C) 的情况.
- PWC损失风险变化的地理映射和与气候学指标的比较.
主要成果:
- 舒适日的PWC损失风险显示了度对比:在低度下降,在高度上增加.
- 在不舒服和危险的炎热的日子里,PWC损失风险普遍增加,危险条件的增加更大.
- 在西欧,地中海,西伯利亚,加勒比海和南美东北部观察到PWC损失风险的显著增加.
- PWC损失风险的变化主要是由热应激日的频率增加所驱动的,而不是严重程度.
结论:
- 全球变暖正在加剧PWC损失的风险,特别是在极端的高温.
- 政策干预必须考虑到影响热应激的气象因素的时空变化.
- 解决PWC损失需要根据区域热暴露模式和频率变化量身定制的战略.
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