| Technology Application |
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Corridor effect on urban land use in Panyu District, Guangzhou City |
| ZHANG Yihan1, ZENG Zhanjing2 |
1. School of Geography and Tourism, Guangdong University of Finance and Economics, Guangzhou 510320, China;
2. School of Urban Construction and Management, Yunnan University, Kunming 650000, China |
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Abstract The corridor effect is produced by transportation networks and gradually decreases from the central axis outwards, following the law of distance attenuation. The corridor effect of the traffic network on urban land use is arousing more and more attention. However, most people believe that the transportation network is mainly composed of rail and road networks, but they do not take metro into account, which is actually an increasing important transport way for people. In this paper, Panyu District in Guangzhou City was chosen as the study area. By using GIS and RS, the corridor effect of Guangzhou metro was analyzed. First, the authors made buffer for subway lines and subway stations with distance of 500 m, 1 000 m and 2 000 m. And then, the land use information in the distance was extracted. Finally, the results and statistics were displayed. The results show that so far the land-use corridor effect along Panyu metro line has not yet been obvious, but the corridor effect can be found around Panyu metro stations.
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| Keywords
conditional random fields(CRFs)
spatial context
random forests
high resolution remote sensing imagery
land use/cover classification
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Issue Date: 17 September 2014
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2014,
Vol. 26
