| 基于RS和GIS的甬台地区城市建设用地扩展特征研究 |
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| 引用本文： | 王杰,李加林.基于RS和GIS的甬台地区城市建设用地扩展特征研究[J].测绘软科学研究,2010(5):48-53. |
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| 作者姓名： | 王杰 李加林 |
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| 作者单位： | [1]宁波国家高新区规划分局,浙江宁波315040 [2]宁波大学城市科学系,浙江宁波315211 |
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| 基金项目： | 浙江省新苗人才计划项目（2008R40G2070022）资助 |
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| 摘 要： | 以多时相Landsat MSS,TM和ETM卫星影像为数据源,利用遥感和GIS手段,提取宁波、台州2市5个时相（1979,1990,1995,2000和2005年）城市建设用地信息,分析了城市建设用地扩展的时间特征、形态特征、空间特征并通过其与人口、GDP因素的相关分析研究其扩展的动力机制。结果表明：①1979年以来,甬台地区城市建设用地总体扩展速度表现为先升后降,而城市建设用地总体扩展强度则表现为不断提高的趋势。②甬台地区城市建设用地的空间结构存在明显的分形特征,城市建设用地空间结构分维逐渐增大,城市建设用地空间复杂性增加,城市建设用地趋向不稳定。③甬台地区城市扩展与社会经济发展具有明显的相关性。
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| 关 键 词： | 城市建设用地 扩展特征 动力机制 甬台地区 |
Spatio-temporal Characteristics and Development Stage of Urbanization Area Growth in Ningbo and Taizhou City Based on RS and GIS |
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| WANG Jie,LI Jia-lin.Spatio-temporal Characteristics and Development Stage of Urbanization Area Growth in Ningbo and Taizhou City Based on RS and GIS[J].Research on Sofi Science of Surveying and Mapping,2010(5):48-53. |
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| Authors: | WANG Jie LI Jia-lin |
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| Institution: | 1.Planning Branch of Ningbo National Hi-tech Park,Ningbo 315040,China;2.Faculty of Architectural Engineering and Environment,Ningbo University,Ningbo 315211,China) |
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| Abstract: | The Landsat MSS,TM/ETM satellite images,which were respectively acquired in 5 periods of 1979,1990,1995,2000 and 2005,were used to extract urban boundary information of urban system in Ningbo and Taizhou city,and then analyze urban growth data with the help of remote sense and GIS software.We analyzed the spatio-temporal characteristics including urban growth speed,growth intensity and fractal dimension.Additionally,development stages of urban expansion in Ningbo city was also analyzed.The results are as follows：（1） From 1979 to 2000,the growth intensities of urbanization area in Ningbo and Taizhou city were accelerating obviously.But the speeds were become fast first then slow.（2） The fractal dimension of urbanization land structure was accelerating and stability coefficient was declined.The shape of urbanization land tends to be irregular.（3） Urbanization area of variety grade cities was relating to its socio-economic deployment obviously. |
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| Keywords: | urbanized land expansion feature power mechanism Ningbo and Taizhou city |
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