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Different Patterns in Daytime and Nighttime Thermal Effects of Urbanization in Beijing-Tianjin-Hebei Urban Agglomeration
Zhao, Guosong1; Dong, Jinwei1,2; Liu, Jiyuan1; Zhai, Jun3; Cui, Yaoping4; He, Tian5; Xiao, Xiangming6,7
2017-02-01
Source PublicationREMOTE SENSING
ISSN2072-4292
Volume9Issue:2Pages:16
Corresponding AuthorDong, Jinwei(dongjw@igsnrr.ac.cn) ; Cui, Yaoping(cuiyp@lreis.ac.cn)
AbstractSurface urban heat island (SUHI)in the context of urbanization has gained much attention in recent decades; however, the seasonal variations of SUHI and their drivers are still not well documented. In this study, the Beijing-Tianjin-Hebei (BTH) urban agglomeration, one of the most typical areas experiencing drastic urbanization in China, was selected to study the SUHI intensity (SUHII) based on remotely sensed land surface temperature (LST) data. Pure and unchanged urban and rural pixels from 2000 to 2010 were chosen to avoid non-concurrency between land cover data and LST data and to estimate daytime and nighttime thermal effects of urbanization. Different patterns of the seasonal variations were found in daytime and nighttime SUHIIs. Specifically, the daytime SUHII in summer (4 degrees C) was more evident than in other seasons while a cold island phenomenon was found in winter; the nighttime SUHII was always positive and higher than the daytime one in all the seasons except summer. Moreover, we found the highest daytime SUHII in August, which is the growing peak stage of summer maize, while nighttime SUHII showed a trough in the same month. Seasonal variations of daytime SUHII showed higher significant correlations with the seasonal variations of triangle LAI ( leaf area index) (R-2 = 0.81, r = -0.90) compared with triangle albedo (R-2 = 0.61, r = -0.78) and background daytime LST (R-2 = 0.69, r = 0.83); moreover, agricultural practices (double-cropping system) played an important role in the seasonal variations of daytime SUHII. Seasonal variations of the nighttime SUHII did not show significant correlations with either of seasonal variations of triangle LAI, triangle albedo, and background nighttime LST, which implies different mechanisms in nighttime SUHII variation needing future studies.
Keywordurban heat island land surface temperature land use change albedo LAI urbanization
DOI10.3390/rs9020121
WOS KeywordHEAT-ISLAND INTENSITY ; LAND-SURFACE TEMPERATURE ; LEAF-AREA INDEX ; 32 MAJOR CITIES ; TIME-SERIES ; LONG-TERM ; SEASONAL-VARIATIONS ; EUROPEAN CITIES ; CHINA ; MODIS
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences ; Chinese Academy of Sciences[QYZDB-SSW-DQC005] ; Thousand Youth Talents Plan ; National Natural Science Foundation of China[41371409] ; National Natural Science Foundation of China[41401504] ; National Natural Science Foundation of China[41501484] ; National Natural Science Foundation of China[41671425] ; National Key Technology Research and Development Program[2013BAC03B04]
Funding OrganizationKey Research Program of Frontier Sciences ; Chinese Academy of Sciences ; Thousand Youth Talents Plan ; National Natural Science Foundation of China ; National Key Technology Research and Development Program
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
WOS IDWOS:000397013700023
PublisherMDPI AG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64780
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDong, Jinwei; Cui, Yaoping
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Minist Environm Protect, Satellite Environm Ctr, Beijing 100094, Peoples R China
4.Henan Univ, Coll Environm & Planning, Collaborat Innovat Ctr Three Modernizat Harmoniou, Kaifeng 475004, Peoples R China
5.Zhengzhou Univ, Sch Water Conservancy & Environm, Zhengzhou 450001, Peoples R China
6.Univ Oklahoma, Dept Microbiol & Plant Biol, Norman, OK 73019 USA
7.Univ Oklahoma, Ctr Spatial Anal, Norman, OK 73019 USA
Recommended Citation
GB/T 7714
Zhao, Guosong,Dong, Jinwei,Liu, Jiyuan,et al. Different Patterns in Daytime and Nighttime Thermal Effects of Urbanization in Beijing-Tianjin-Hebei Urban Agglomeration[J]. REMOTE SENSING,2017,9(2):16.
APA Zhao, Guosong.,Dong, Jinwei.,Liu, Jiyuan.,Zhai, Jun.,Cui, Yaoping.,...&Xiao, Xiangming.(2017).Different Patterns in Daytime and Nighttime Thermal Effects of Urbanization in Beijing-Tianjin-Hebei Urban Agglomeration.REMOTE SENSING,9(2),16.
MLA Zhao, Guosong,et al."Different Patterns in Daytime and Nighttime Thermal Effects of Urbanization in Beijing-Tianjin-Hebei Urban Agglomeration".REMOTE SENSING 9.2(2017):16.
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