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遥感技术与应用  2011, Vol. 26 Issue (3): 365-374    DOI: 10.11873/j.issn.1004-0323.2011.3.365
遥感应用     
基于RS和GIS的城市扩展特征及驱动机制差异性分析——以南通地区为例
王涛1,3,杨强2
(1.中国科学院南京地理与湖泊研究所,江苏 南京210008;2.南京大学地球系统科学国际研究所,
江苏 南京210093;3.中国科学院研究生院,北京100049)
RS and GIS-based Urban Expansion in Nantong Area,China: Pattern,Characteristic and Driving Force Variance
WANG Tao1,3,YANG Qiang2
(1.Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences,
Nanjing 210008,China;2.International Institute for Earth System Science,Nanjing University,
Nanjing 210093,China;3.Graduate University of Chinese Academy of Sciences,Beijing 100049,China)
 全文: PDF(3241 KB)  
摘要:

以多期遥感影像为主要数据来源,结合社会经济数据,采用景观指数分析了区域内7个县市(含南通市)的城市扩展时间特征,通过城市建设用地重心的转移,研究了不同阶段城市扩展的空间特征,并运用逐步回归方法对比分析了城市扩展驱动机制的差异性。结果表明:南通地区城市发展经历了由点到面、由分散到集中的过程。时空和重心转移分析将区域内城市分为4类:第1类是南通市,保持了较快的扩展速度和最大的扩展面积,主要沿长江沿岸扩展。第2类是海安和如皋,在过去30 a具有最快的城市扩展速度,并且有相向发展、相互融合的趋势。第3类是如东、海门和启东,城市规模较小,扩展速度较慢,但小城镇建设突出。第4类是通州(2009年改为通州区),受到南通市发展的影响,城市规模最小,扩展速度最慢。第1类和第2类城市扩展主要受到政策和人口增长的影响,而第3类和第4类城市扩展受经济发展和人均收入增加影响更为显著。

关键词: 景观指数土地利用遥感影像城市扩展逐步回归南通地区    
Abstract:

This work present here was based on 12 images collected from two net stations (Landsat and University of Maryland) and combined with socio\|economic data to study urban expansion pattern,characteristic and driving forces variance of six counties and one city in Nantong area,which is located in the north wing of Changjiang (Yangtze River),and belongs to the famous Hu\|ning\|hang (Shanghai,Nanjing,Hangzhou) Industrial Belt,from 1979 to 2005.Landscape index,spatial and temporal dynamic analysis,and stepwise regression method were used to examine the change of each county and its driving force.The results demonstrated that: Landscape index analysis indicated that urban expansion in Nantong area has been undergone the key zone development to integrated development,from discrete to gathering.During temporal and spatial analysis,four types of urban development were categorized into,i.e.,Nantong,Hai’an and Rugao,Rudong,Haimen and Qidong and Tongzhou.Nantong has maintained rapid and the largest urban expansion in speed and quantities along Changjiang.Hai’an and Rugao had the largest changes in the past three decades,explicit trend to integrate in economic and other resources.Rudong,Haimen and Qidong illustrated larger changes,while Rudong expansion southward,Haimen eastward and Qidong westward.The driving force of those urban expansions divided into two types.One was driven by top\|down government\|oriented policy and population growth,while the other was driven by bottom\|up economic development improving people's living level.The population factor driving urban expansion may be further refinement.

Key words: Landscape index    Land use    Remote sensing    Urban expansion    Stepwise regression    Nantong area
收稿日期: 2010-10-07 出版日期: 2013-01-23
:  TP 79  
作者简介: 王涛(1984- ),男,河南汤阴人,博士研究生,主要从事环境变化研究。Email:wht432@163.com。
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引用本文:

王涛,杨强. 基于RS和GIS的城市扩展特征及驱动机制差异性分析——以南通地区为例[J]. 遥感技术与应用, 2011, 26(3): 365-374.

WANG Tao,YANG Qiang. RS and GIS-based Urban Expansion in Nantong Area,China: Pattern,Characteristic and Driving Force Variance. Remote Sensing Technology and Application, 2011, 26(3): 365-374.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2011.3.365        http://www.rsta.ac.cn/CN/Y2011/V26/I3/365

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