Forty years of urban expansion in Beijing: What is the relative importance of physical,socioeconomic, and neighborhood factors? |
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| Institution: | 1. Yale School of Forestry and Environmental Studies, Yale University, 195 Prospect Street, New Haven, CT 06511, United States;2. Department of Political Science, The Ohio State University, 2140 Derby Hall, 154 North Oval Mall, Columbus, OH 43210-1373, United States;3. Center for Chinese Agricultural Policy, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;1. Horticulture and Landscape College, Hunan Agricultural University, Changsha 410128, PR China;2. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China;3. University of Chinese Academy of Sciences, Beijing 100049, PR China;1. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 11A, Datun Road Chaoyang District, Beijing, 100101, People''s Republic of China;2. Department of Forestry and Natural Resources, Purdue University, West Lafayette, Indiana 47906, USA;3. University of Wisconsin-Madison, Wisconsin Energy Institute, 1552 University Avenue, Madison, WI 53726, USA;1. School of Geodesy and Geomatics, Jiangsu Normal University, Xuzhou 221116, China;2. School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210093, China;3. School of Public Administration, Nanjing University of Finance & Economics, Nanjing 210023, China;4. College of Public Management, Nanjing Agricultural University, Nanjing 210095, China |
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| Abstract: | Urban expansion is one of the major causes of many ecological and environmental problems in urban areas and the surrounding regions. Understanding the process of urban expansion and its driving factors is crucial for urban growth planning and management to mitigate the adverse impacts of such growth. Previous studies have primarily been conducted from a static point of view by examining the process of urban expansion for only one or two time periods. Few studies have investigated the temporal dynamics of the effects of the driving factors in urban expansion. Using Beijing as a case study, this research aims to fill this gap. Urban expansion from 1972 to 2010 was detected from multi-temporal remote sensing images for four time periods. The effects of physical, socioeconomic, and neighborhood factors on urban expansion and their temporal dynamics were investigated using binary logistic regression. In addition, the relative importance of the three types of driving factors was examined using variance partitioning. The results showed that Beijing has undergone rapid and magnificent urban expansion in the past forty years. Physical, socioeconomic, and neighborhood factors have simultaneously affected this expansion. Socioeconomic factors were the most important driving force, except during the period of 1972–1984. In addition, the effects of these driving factors on urban expansion varied with time. The magnitude of the unique effects of physical factors and neighborhood factors declined while that of socioeconomic factors increased along with the urbanization process. The findings of this study can help us better understand the process of urban expansion and thus have important implications for urban planning and management in Beijing and similar cities. |
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