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Urbanization effects on changes in the observed air temperatures during 1977-2014 in China
Li, Yuanzheng1,2,3; Wang, Lan4; Zhou, Hongxuan5; Zhao, Guosong6; Ling, Feng7; Li, Xiaodong7; Qiu, Juan7
2019
Source PublicationINTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN0899-8418
Volume39Issue:1Pages:251-265
Corresponding AuthorZhou, Hongxuan(zhouhongxuan@live.cn)
AbstractThis study endeavoured to accurately estimate the effects of urbanization on changes in temperatures during 1977-2014 throughout China. To this end, we (a) classified the stations using improved standards, (b) homogenized the mean minimum (Tmin), mean maximum (Tmax), and mean temperature (Tm) data series, (c) identified regions with different temperature trends based on the modified methodology, and analysed the regional changes in the background rural temperatures, (d) explored the relationships between the temperature trend effects of urbanization and the three indices of the urbanization intensity, and (a) calculated the contribution from urbanization on the regional scale. The results indicated the following: (a) After homogenization, several adjustment amplitudes were larger than 1 degrees C, the maximum value of which reached 7.84 degrees C. (b) China was divided into six regions with different rural temperature trends. Rural temperatures significantly increased throughout China with annual Tmin, Tmax and Tm changing rates of 0.424, 0.339, and 0.352 degrees C/decade, respectively. Throughout all of China, the maximum rates for Tmax, Tmin, and Tm occurred during the spring and the minimum rates for Tmax and Tm occurred during the summer, while that for Tmin was slightly lower in the winter than during the summer. (c) Significant correlations did not always exist between the urbanization-contributed temperature-changing rates and the indices of urbanization intensity, and the correlation coefficients varied under different conditions. These values were both positive and negative. The changes in the areas of the built-up regions constituted the best correlation factors. (d) The percentages of the contributions of urbanization to the mean annual Tmin, Tmax, and Tm were -0.08, 0.21, and -0.09%, respectively. These results are beneficial for understanding the effects of urbanization on regional or global climate change to some extent.
Keywordhomogenization land use and land cover nighttime light reference station regionalization self-organizing maps temperature change
DOI10.1002/joc.5802
WOS KeywordURBAN HEAT-ISLAND ; LAST 50 YEARS ; WARMING TREND ; CLIMATE ; PATTERNS ; NETWORK ; EXPANSION ; STATION ; SERIES ; BIAS
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[61671425] ; National Natural Science Foundation of China[41601458] ; National Natural Science Foundation of China[41771141] ; Natural Science Foundation of Jiangsu Province of China[BK 20170272]
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province of China
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000459638400019
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/49260
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhou, Hongxuan
Affiliation1.Henan Univ Econ & Law, Sch Resources & Environm, Zhengzhou, Henan, Peoples R China
2.Henan Univ Econ & Law, Academician Lab Urban & Rural Spatial Data Min He, Zhengzhou, Henan, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen, Peoples R China
5.China Univ Min & Technol, Sch Architecture & Design, Xuzhou 221116, Jiangsu, Peoples R China
6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China
7.Chinese Acad Sci, Inst Geodesy & Geophys, Key Lab Monitoring & Estimate Environm & Disaster, Wuhan, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Li, Yuanzheng,Wang, Lan,Zhou, Hongxuan,et al. Urbanization effects on changes in the observed air temperatures during 1977-2014 in China[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2019,39(1):251-265.
APA Li, Yuanzheng.,Wang, Lan.,Zhou, Hongxuan.,Zhao, Guosong.,Ling, Feng.,...&Qiu, Juan.(2019).Urbanization effects on changes in the observed air temperatures during 1977-2014 in China.INTERNATIONAL JOURNAL OF CLIMATOLOGY,39(1),251-265.
MLA Li, Yuanzheng,et al."Urbanization effects on changes in the observed air temperatures during 1977-2014 in China".INTERNATIONAL JOURNAL OF CLIMATOLOGY 39.1(2019):251-265.
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