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Study on the Change Characteristics of and Population Exposure to Heatwave Events on the North China Plain
Joint Authors
Zhan, Ming-jin
Zhan, Longfei
Wang, Yanjun
Sun, Hemin
Zhai, Jianqing
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-08-18
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
In accordance with the China Meteorological Administration definition, this study considered a weather process with a maximum surface temperature of ≥35°C for more than three consecutive days as a heatwave event.
Based on a dataset of daily maximum temperatures from meteorological stations on the North China Plain, including ordinary and national basic/reference surface stations, the intensity-area-duration method was used to analyze the spatiotemporal distribution characteristics of heatwave events on the North China Plain (1961–2017).
Moreover, based on demographic data from the Statistical Yearbook and Greenhouse Gas Initiative (GGI) Population Scenario Database of the Austrian Institute for International Applied Systems Analysis (IIASA), population exposure to heatwave events was also studied.
The results showed that the frequency, intensity, and area of impact of heatwave events on the North China Plain initially decreased (becoming weaker and less extensive) and then increased (becoming stronger and more extensive).
Similarly, the trend of population exposure to heatwave events initially decreased and then increased, and the central position of exposure initially moved southward and then returned northward.
Population exposure in the eastern Taihang Mountains was found significantly higher than in the western Taihang Mountains.
In relation to the change of population exposure to heatwave events on the North China Plain, the influence of climatic factors was found dominant with an absolute contribution rate of >75%.
Except for 2011–2017, increase in population also increased the exposure to heatwaves, particularly in the first half of the study period.
Interaction between climatic and population factors generally had less impact on population exposure than either climatic factors or population factors alone.
This study demonstrated a method for assessing the impact of heatwave events on population exposure, which could form a scientific basis for the development of government policy regarding adaption to climate change.
American Psychological Association (APA)
Zhan, Longfei& Wang, Yanjun& Sun, Hemin& Zhai, Jianqing& Zhan, Ming-jin. 2019. Study on the Change Characteristics of and Population Exposure to Heatwave Events on the North China Plain. Advances in Meteorology،Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1118738
Modern Language Association (MLA)
Zhan, Longfei…[et al.]. Study on the Change Characteristics of and Population Exposure to Heatwave Events on the North China Plain. Advances in Meteorology No. 2019 (2019), pp.1-10.
https://search.emarefa.net/detail/BIM-1118738
American Medical Association (AMA)
Zhan, Longfei& Wang, Yanjun& Sun, Hemin& Zhai, Jianqing& Zhan, Ming-jin. Study on the Change Characteristics of and Population Exposure to Heatwave Events on the North China Plain. Advances in Meteorology. 2019. Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1118738
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1118738