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DOI: 10.1002/joc.5802
Scopus ID: 2-s2.0-85052487847
Title:
Urbanization effects on changes in the observed air temperatures during 1977–2014 in China
Author: Li Y.; Wang L.; Zhou H.; Zhao G.; Ling F.; Li X.; Qiu J.
Source Publication: International Journal of Climatology
ISSN: 8998418
Indexed By: SCI ; SCI-E ; EI
Publishing Year: 2019
Volume: 39, Issue:1
pages begin: 251
pages end: 265
Language: 英语
Keyword: homogenization ; land use and land cover ; nighttime light ; reference station ; regionalization ; self-organizing maps ; temperature change
Scopus Keyword: Climate change ; Conformal mapping ; Homogenization method ; Land use ; Rural areas ; Self organizing maps ; Land use and land cover ; Night-time lights ; Reference stations ; regionalization ; Temperature changes ; Atmospheric temperature ; air temperature ; artificial neural network ; climate change ; land cover ; land use ; regionalization ; urbanization ; China
English Abstract: This 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 °C, the maximum value of which reached 7.84 °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 °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. © 2018 Royal Meteorological Society
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被引频次[WOS]:1   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/116680
Appears in Collections:全球变化的国际研究计划

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Affiliation: School of Resources and Environment, Henan University of Economics and Law, Zhengzhou, China; Academician Laboratory for Urban and Rural Spatial Data Mining of Henan Province, Henan University of Economics and Law, Zhengzhou, China; State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China; School of Architecture & Design, China University of Mining & Technology, Xuzhou, China; Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Monitoring and Estimate for Environment and Disaster of Hubei Province, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan, China

Recommended Citation:
Li Y.,Wang L.,Zhou H.,et al. Urbanization effects on changes in the observed air temperatures during 1977–2014 in China[J]. International Journal of Climatology,2019-01-01,39(1)
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