Temporal and spatial characteristics of high temperatures, heat waves, and population distribution risk in China from 1951 to 2019

被引:0
作者
Ning, Xiaoju [1 ,2 ]
Li, Yuanzheng [1 ,2 ]
Gao, Genghe [1 ,2 ]
Zhang, Yan [3 ]
Qin, Yaochen [4 ,5 ,6 ,7 ,8 ]
机构
[1] Henan Univ Econ & Law, Sch Resources & Environm, Zhengzhou 450046, Peoples R China
[2] Henan Univ Econ & Law, Academician Lab Urban & Rural Spatial Data Min Hen, Zhengzhou 450046, Peoples R China
[3] Qiong Tai Normal Univ, Ecol Econ Res Ctr, Haikou 570228, Peoples R China
[4] Henan Univ, Key Lab Geospatial Technol Middle & Lower Yellow R, Minist Educ, Kaifeng 475004, Peoples R China
[5] Henan Univ, Coll Geog & Environm Sci, Kaifeng 475004, Peoples R China
[6] Henan Univ, Key Res Inst Yellow River Civilizat & Sustainable, Kaifeng 475001, Peoples R China
[7] Henan Univ, Collaborat Innovat Ctr Yellow River Civilizat Join, Kaifeng 475001, Peoples R China
[8] Henan Univ, Minist Educ, Kaifeng 475001, Peoples R China
基金
中国国家自然科学基金;
关键词
Different intensities; High temperatures; Heat waves; Population distribution risk; EMERGENCY-DEPARTMENT VISITS; MORTALITY; IMPACT; COMMUNITIES; DEFINITION; HEATSTROKE; MODIFIERS; PROVINCE; CITY;
D O I
10.1007/s11356-023-28955-2
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Understanding the relationships between high temperatures (HT) and heat waves (HW) is vital for enhancing human health, especially in areas with dense population. This paper analyzes the temporal and spatial characteristics of different HT and HW intensities, their spatial influence, and the population distribution risk at different HW intensities for 844 meteorological stations between 1951 and 2019. The results indicate that (1) HT and extreme temperature (ET) days are symmetrically distributed along the Huhuanyong Line, from southeast to northwest China. The times, days, and accumulated temperatures of HW, the times, days, and accumulated temperature of strong heat waves (SHW), and the times, days, and accumulated temperature of extreme heat waves (EHW) were distributed similarly; (2) with the increase in high temperatures or heat waves from HT to ET or from HW to SHW, the proportion of stations with an upward trend was always greater in China, while stations with a downward trend were mainly located in the North China Plain and Huai River Basin. For HW, SHW, and EHW, the increasing range of times and days were less than the accumulated temperatures; (3) between 1990 and 2019, there was an expansion of the HW and SHW distribution area with an annual average of more than 10 days, and the EHW distribution area with an annual average of more than 3 days. Moreover, the number of people exposed to HW, SHW, and EHW also increased during this period; and (4) considering the population distribution characteristics and the regional HT and HW characteristics, society needs to form regional adaptation actions for different HT and HW intensities.
引用
收藏
页码:96629 / 96646
页数:18
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