分级热健康风险预测和早期预警,全季覆盖中国:一个预测模型开发和评估研究
Qing Wang1,2,3, Chen Chen1,2,3, Huaiyue Xu1,2,4
1National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Beijing, China.
The Lancet regional health. Western Pacific
|January 29, 2025
概括
一个新的热健康监测,预测和早期预警 (HHSEW) 模型显著改善了与热有关的死亡的早期检测. 这种系统可以更好地保护全球气温上升和热浪.
科学领域:
- 环境健康 环境健康
- 公共卫生监督 公共卫生监督
- 适应气候变化 适应气候变化
背景情况:
- 全球气候变化加剧了高温和热浪,对人类健康构成重大威胁.
- 现有的热浪预警系统往往缺乏强大的热热健康风险建模,管理不充分热天气对健康的影响.
- 有效的早期预警系统对于减轻与极端高温事件相关的健康风险至关重要.
研究的目的:
- 提出和开发一种新的热健康监测,预测和早期预警 (HHSEW) 模型.
- 建立一个"全季覆盖和以人口健康为导向的分级预警"的概念.
- 加强对高温和热浪带来的健康风险的管理.
主要方法:
- 分析了温度和死亡率之间的暴露-反应关系,使用来自中国323个县 (2013-2018) 的时间序列数据.
- 开发了一个过早死亡曲线,并确定了四个温度百分值值,用于预警和警告级别 (1-3).
- 通过比较死亡风险,预测死亡和经济负担与当前的早期预警系统来评估HHSEW模型.
主要成果:
- 该HHSEW模型包括季节性监测,预警和警告等级1-3,显示较高水平的死亡风险增加.
- 在警告级别3时,全因死亡风险增加了高达33.87%,达到3级.
- HHSEW模型预测,中国337个城市每年有94,008人因高温死亡,远高于CMA系统预测的14,858人,估计节省了220亿元人民币.
结论:
- 与现有的热浪预警系统相比,开发的HHSEW模型表现出优越的性能.
- 该模型的全赛季覆盖范围和分级警告级别提供了及时的公众警报,从而带来了巨大的健康益处.
- 拟议的"全季覆盖和以人口健康为导向的分级预警"方法应在全球范围内采用,以应对日益升级的与热有关的健康风险.
更多相关视频
相关概念视频
Homeostatic Imbalances in Body Temperature
98
Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
98
Global Climate Change
24.2K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.2K


