基于 GIS 的重庆丘陵山区农村道路网络特征研究

杨馨越 ,魏朝富 ,邵景安,张平仓 ,丁文峰

长江科学院院报 ›› 2010, Vol. 27 ›› Issue (11) : 25-32.

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PDF(1943 KB)
长江科学院院报 ›› 2010, Vol. 27 ›› Issue (11) : 25-32.
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基于 GIS 的重庆丘陵山区农村道路网络特征研究

  • 杨馨越1 ,魏朝富1 ,邵景安2 ,张平仓3 ,丁文峰3
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Spatial Analysis of Rural Road Network in Hilly Area of Chongqing Based on GIS

  • YANG Xin-yue1, WEI Chao-fu1, SHAO Jing-an2, ZHANG Ping-cang3, DING Wen-feng3
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摘要

利用 GIS 空间分析功能,分析了重庆丘陵山区土地整理区农村道路网络特征变化及其影响因素。结果表明:①土地整理后,道路的总长度由54.58 km增加到73.27 km,总密度由55.12m/hm2 上升到74.00m/hm2 ,而且由土质路面变为泥结碎石路面和水泥路面;道路密度的Moran's I系数由0.19 降为0.08 ,空间分布趋于均衡;道路网络的α指数、β指数、γ指数均有提高,网络结构得到明显优化。②从村级尺度看,农村道路网络特征主要受微地形和居民点分布的影响,在道路布局时应尽量增加居民点的通达性和节约建设成本。③网络分析方法能较好地反映农村道路特征变化。

Abstract

The quantity and spatial characteristics of rural roads in Chongqing City have been changed because of the implementation of new countryside construction and rural road construction projects. Thus this paper employed the spatial analysis of geographic information system (GIS) to analyze the characteristics change and its influence factors for rural roads in a land consolidation project area, which is located in the hilly area of Chongqing City. The results show that the total length of roads increases from 54.58 km to 73.27 km before and after land consolidation, and the road density increases from 55.12 m/hm2 to 74.00m/hm2 during the same period. The materials used for building rural road have adopted mixed mud and rock as well as concrete, Moran's I coefficient indicating road density is decreased from 0.19 to 0.08 , which means that the road network is becoming more and more even and optimization due to land consolidation. The network indexes of α , β , γ demonstrate the improvement of road network. From the view point of village, the road network features are largely influenced by micro-topography and distribution of rural residential area, thus road layout should consider to increase the proximity of residential area to roads and the cost-saving of roads ' construction. Finally, the network analysis is proved to be effective in describing the characteristics change of rural roads.

关键词

农村道路  / 村级尺度  / 土地整理  / 空间分析

Key words

rural road   /    village scale  /    land consolidation   /  spatial analysis

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杨馨越 ,魏朝富 ,邵景安,张平仓 ,丁文峰. 基于 GIS 的重庆丘陵山区农村道路网络特征研究[J]. 长江科学院院报. 2010, 27(11): 25-32
YANG Xin-yue, WEI Chao-fu, SHAO Jing-an, ZHANG Ping-cang, DING Wen-feng. Spatial Analysis of Rural Road Network in Hilly Area of Chongqing Based on GIS[J]. Journal of Changjiang River Scientific Research Institute. 2010, 27(11): 25-32
中图分类号: X144    U412.1   

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