In this Letter, three fractal models-surface, profile and pixel models are developed to analyse the structure and dynamics of an urban heat island (UHI). These three models were tested using data from Shanghai taken in 1990, 1995 and 1998. The surface model is capable of capturing the fractal dimension of the entire study area. The profile model can be used to analyse the structural characteristics of the UHI along certain directions and is capable of revealing changes in the texture characteristics of UHL The pixel model can describe the changes in thermal characteristics surrounding each pixel in a particular locale and is suitable for analysing the micro-structure of the UHI.
机构:
Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Kowloon 999077, Hong Kong, Peoples R ChinaWuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
Wu, Hao
Sun, Yurong
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Wuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
Sun, Yurong
Shi, Wenzhong
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Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Kowloon 999077, Hong Kong, Peoples R ChinaWuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
Shi, Wenzhong
Chen, Xiaoling
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Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Peoples R ChinaWuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
Chen, Xiaoling
Fu, Dongjie
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Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R ChinaWuhan Univ Technol, Sch Resources & Environm Engn, Wuhan 430070, Peoples R China
机构:
Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Gu, Hongfan
Yin, Gaofei
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Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Yin, Gaofei
Yang, Yajie
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Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R ChinaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Yang, Yajie
Verger, Aleixandre
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CSIC, Desertificat Res Ctr CIDE, Valencia 46113, Spain
CREAF CSIC UAB, Catalonia 08193, SpainSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Verger, Aleixandre
Descals, Adria
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CREAF, Catalonia 08193, Spain
UAB, CSIC, Global Ecol Unit CREAF, Barcelona 08193, SpainSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Descals, Adria
Filella, Iolanda
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CREAF, Catalonia 08193, Spain
UAB, CSIC, Global Ecol Unit CREAF, Barcelona 08193, SpainSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Filella, Iolanda
Zeng, Yelu
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China Agr Univ, Coll Land Sci & Technol, Beijing 100083, Peoples R ChinaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Zeng, Yelu
Hao, Dalei
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Chinese Acad Sci, Aerosp Informat Res Inst, State Key Lab Remote Sensing Sci, Beijing, Peoples R ChinaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Hao, Dalei
Xie, Qiaoyun
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Univ Technol Sydney, Sch Life Sci, Sydney, NSW 2007, AustraliaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Xie, Qiaoyun
Li, Xing
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Seoul Natl Univ, Res Inst Agr & Life Sci, Seoul 08826, South KoreaSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Li, Xing
Xiao, Jingfeng
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机构:Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
Xiao, Jingfeng
Penuelas, Josep
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CREAF, Catalonia 08193, Spain
UAB, CSIC, Global Ecol Unit CREAF, Barcelona 08193, SpainSouthwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Peoples R China
机构:
Hong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Kowloon, Hong Kong, Peoples R China
Wong, Man Sing
Nichol, Janet
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Hong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Kowloon, Hong Kong, Peoples R ChinaHong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Kowloon, Hong Kong, Peoples R China
Nichol, Janet
Lee, Kwon Ho
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Kyungil Univ, Dept Satellite Geoinformat Engn, Gyongsan, South KoreaHong Kong Polytech Univ, Dept Land Surveying & Geo Informat, Kowloon, Hong Kong, Peoples R China