A study on spatial structure of urban system in the Northern China Plain based on radar remote sensing image

Xinyuan Wang; Li Wu; Changqing Mei; Zhengzheng Ruan; Li Liu; Enliang Bai

doi:10.1117/12.812776

5 November 2008 A study on spatial structure of urban system in the Northern China Plain based on radar remote sensing image

Xinyuan Wang, Li Wu, Changqing Mei, Zhengzheng Ruan, Li Liu, Enliang Bai

Author Affiliations +

Proceedings Volume 7144, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: The Built Environment and Its Dynamics; 71441M (2008) https://doi.org/10.1117/12.812776
Event: Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 2008, Guangzhou, China

Abstract

Differing from optical remote sensing image, radar remote sensing image can be used to extract more useful information, and its application is becoming widespread in a variety of fields. Based on the central place theory, the spatial structure of urban system in the Northern China Plain is studied by using Radarsat ScanSAR mosaic image. The results show that: (1) Radarsat ScanSAR data are suitable for automatic extraction of building-up areas and has meaningful potential for urban geographic study. (2) The urban system in the Northern China Plain, which is deeply influenced by physical factors, especially hydrographic factors, can be divided into five categories: urban system of equal distance between central places on fluvial fan region at Mt.Taihangshan; hexagonal urban system in central part of Hebei flood plain; pentagonal urban system in the Yellow River fluvial fan; quadrilateral urban system in the vicinity of Huaihe River system; and scattered new towns in the places of rolling hills in central and southern areas of Shandong Province. (3) An evolution model of central place system from hexagon to pentagon and quadrangle influenced by river is suggested. (4) No matter hexagonal or pentagonal urban systems, this study has demonstrated that there are good relationship between the distance structure model of the central place and the real-life instance.

Citation Download Citation

Xinyuan Wang, Li Wu, Changqing Mei, Zhengzheng Ruan, Li Liu, and Enliang Bai "A study on spatial structure of urban system in the Northern China Plain based on radar remote sensing image", Proc. SPIE 7144, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: The Built Environment and Its Dynamics, 71441M (5 November 2008); https://doi.org/10.1117/12.812776

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