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题名: Quantitative Analysis of Urban Expansion Using RS and GIS, A Case Study in Lanzhou
作者: Li, XY(李小英); Liu, LC(刘理臣); Dong, XF
收录类别: SCIE ; SSCI ; EI
出版日期: 2011-12
刊名: JOURNAL OF URBAN PLANNING AND DEVELOPMENT-ASCE
卷号: 137, 期号:4, 页码:459-469
出版者: ASCE-AMER SOC CIVIL ENGINEERS
出版地: RESTON
英文摘要: Urbanization has changed the pattern of urban landscapes and the natural landscape. Evaluations of the spatial and temporal changes of the urban landscape pattern could support the urban expansion analysis commendably. This study has two objectives: (1) to present methods to characterize the spatial behavioral features and the corridor effect of urban expansion by using geographical information system (GIS) and remote sensing (RS) images and (2) to apply the methods to Lanzhou as an example. In this study, ERDAS IMAGINE was used to process and prepare RS images and digital land-use maps. In addition, information on urban expansion was extracted by using the man-machine interactive interpretation method under the ArcTools model of ArcInfo. The landscape indexes were calculated by FRAGSTATS, which is a spatial pattern analysis program utilized to evaluate categorical maps. All other indexes were calculated and displayed by using the grid model, spatial analysis model, and network analysis module of ArcInfo. The landscape transition matrix, landscape index of the urban construction area, urbanization gradient, and corridor effect of urban expansion in Lanzhou were then studied. Landscape transition matrix analysis revealed that the urban construction area in Lanzhou expanded rapidly and considerably between 1986 and 2006. Analysis of the urbanization gradient revealed that there was isolated urbanization in the suburban area, amalgamated urbanization in the rural urban fringe area, and peripheral urbanization in the main built area. On the basis of the module that provides a comprehensive effect between the artificial corridors and natural corridors during the urban expansion process, Lanzhou will develop into a network city with a multicore structure, network shape, and compounded function. Overall, the results of this study demonstrated that RS integrated with GIS technique is an effective approach to the analysis of urban expansion. DOI: 10.1061/(ASCE)UP.1943-5444.0000078. (C) 2011 American Society of Civil Engineers.
关键词: RS ; GIS ; Urban expansion ; Urbanization gradient ; Corridor effect ; Lanzhou
作者部门: [Liu, Lichen ; Dong, Xiaofeng] Lanzhou Univ, Coll Resource & Environm Sci, Lanzhou 730000, Peoples R China ; [Li, Xiaoying] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
通讯作者: Liu, LC (reprint author), Lanzhou Univ, Coll Resource & Environm Sci, Lanzhou 730000, Peoples R China.
学科分类: Engineering; Urban Studies
文章类型: Article
所属项目编号: National Natural Science Foundation of China [40671061] ; Fundamental Research Funds for the Central Universities [lzujbky-2011-130]
所属项目名称: 国家自然科学基金项目 ; 中央高校基本科研业务费专项资金
项目资助者: NSFC ; LZU
语种: 英语
DOI: 10.1061/(ASCE)UP.1943-5444.0000078
ISSN号: 0733-9488
WOS记录号: WOS:000299152100012
EI记录号: 20120414708109
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/120125
Appears in Collections:资源环境学院_期刊论文

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Recommended Citation:
Li, XY,Liu, LC,Dong, XF. Quantitative Analysis of Urban Expansion Using RS and GIS, A Case Study in Lanzhou[J]. JOURNAL OF URBAN PLANNING AND DEVELOPMENT-ASCE,2011,137(4):459-469.
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