Analyzing suitability for urban expansion under rapid coastal urbanization with remote sensing and GIS techniques: a case study of Lianyungang, China

Wenjun Zhao; Xiaodong Zhu; Anette Reenberg; Xiang Sun

doi:10.1117/12.864941

22 October 2010 Analyzing suitability for urban expansion under rapid coastal urbanization with remote sensing and GIS techniques: a case study of Lianyungang, China

Wenjun Zhao, Xiaodong Zhu, Anette Reenberg, Xiang Sun

Author Affiliations +

Proceedings Volume 7831, Earth Resources and Environmental Remote Sensing/GIS Applications; 78310G (2010) https://doi.org/10.1117/12.864941
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

Beginning in 2000, Lianyungang's urbanization entered a period of rapid growth, spatially as well as economically. Rapid and intensive expansion of "construction land" imposed increasing pressures on regional environment. With the support of remote sensing data and GIS tools, this paper reports a "present-capacity-potential" integrated suitability analysis framework, in order to characterize and evaluate the suitability of urban expansion in Lianyungang. We found that during the rapid coastal urbanization process from 2000 to 2008, the characteristics of physical expansion in the study area were characterized by a combination of high-density expansion and sprawling development. The land use conversion driven by urbanization and industrialization has not occurred only in city districts, but also the surrounding areas that were spatially absorbed by urban growth, while closely associated and greatly influenced by the explosive growth of industrial establishment. The over-consumption of land resources in the areas with low environmental carrying capacity, particularly in the eastern coastal area, should be strictly controlled. Compared to conventional land suitability analysis methods, the proposed integrated approach could better review the potential environmental impacts of urban expansion and provide guidance for decision makers.

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Wenjun Zhao, Xiaodong Zhu, Anette Reenberg, and Xiang Sun "Analyzing suitability for urban expansion under rapid coastal urbanization with remote sensing and GIS techniques: a case study of Lianyungang, China", Proc. SPIE 7831, Earth Resources and Environmental Remote Sensing/GIS Applications, 78310G (22 October 2010); https://doi.org/10.1117/12.864941

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KEYWORDS

Environmental sensing

Geographic information systems

Remote sensing

Pollution control

Explosives

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Agriculture

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