Technology Application |
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A STUDY OF CHANGSHA—ZHUZHOU—XIANGTAN URBAN
EXTENSION BASED ON REMOTE SENSING |
PENG Shun-x i 1, LIN Jian 2, BAO Guang-shu 1, CHEN Bao-shu 3 |
1. School of Info-Physics and Geomatics Engineering, Central South University, Changsha 410083, China; 2. ATR National Laboratory, National University of Defence Technology, Changsha 410073, China; 3. 230 Institute of Central-south Geology Bureau of Nuclear industry, Changsha 410011, China |
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Abstract Based on setting up image interpretation criteria through field investigation and compiling urban change map by means of multi-temporal sequence remote sensing image, this paper has studied urban characteristics, expansion model, growth orientation and growth velocity of Changsha city, Zhuzhou city and Xiangtan city (Chang-Zhu-Tan) in the period of 1966~1999, and forecasted the development of urban areas in the period of 2000~2010. According to the research result, Chang-Zhu-Tan have the same expansion model, the growth orientation of the three cities doesn’t make for their integration in geography, their expansion velocity is increasing in exponential form, the development of Changsha will be the fastest among these cities during this period, and Chang-Zhu-Tan will maintain high speed expansion and tend to become integrated..
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Issue Date: 10 September 2009
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