LIU Yaolin, WANG Huimin, JIAO Limin, LIU Yanfang, HE Jianhua, AI Tinghua. Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China[J]. Chinese Geographical Science, 2015, 25(4): 511-522. doi: 10.1007/s11769-015-0749-y
Citation: LIU Yaolin, WANG Huimin, JIAO Limin, LIU Yanfang, HE Jianhua, AI Tinghua. Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China[J]. Chinese Geographical Science, 2015, 25(4): 511-522. doi: 10.1007/s11769-015-0749-y

Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China

doi: 10.1007/s11769-015-0749-y
Funds:  Under the auspices of National Key Technology Research and Development Program of China (No. 2012BAH28B02)
More Information
  • Corresponding author: WANG Huimin. E-mail: hmw@whu.edu.cn
  • Received Date: 2014-07-18
  • Rev Recd Date: 2014-11-14
  • Publish Date: 2015-04-27
  • Road network is a corridor system that interacts with surrounding landscapes, and understanding their interaction helps to develop an optimal plan for sustainable transportation and land use. This study investigates the relationships between road centrality and landscape patterns in the Wuhan Metropolitan Area, China. The densities of centrality measures, including closeness, betweenness, and straightness, are calculated by kernel density estimation (KDE). The landscape patterns are characterized by four landscape metrics, including percentage of landscape (PLAND), Shannon's diversity index (SHDI), mean patch size (MPS), and mean shape index (MSI). Spearman rank correlation analysis is then used to quantify their relationships at both landscape and class levels. The results show that the centrality measures can reflect the hierarchy of road network as they associate with road grade. Further analysis exhibit that as centrality densities increase, the whole landscape becomes more fragmented and regular. At the class level, the forest gradually decreases and becomes fragmented, while the construction land increases and turns to more compact. Therefore, these findings indicate that the ability and potential applications of centrality densities estimated by KDE in quantifying the relationships between roads and landscapes, can provide detailed information and valuable guidance for transportation and land-use planning as well as a new insight into ecological effects of roads.
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Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China

doi: 10.1007/s11769-015-0749-y
Funds:  Under the auspices of National Key Technology Research and Development Program of China (No. 2012BAH28B02)
    Corresponding author: WANG Huimin. E-mail: hmw@whu.edu.cn

Abstract: Road network is a corridor system that interacts with surrounding landscapes, and understanding their interaction helps to develop an optimal plan for sustainable transportation and land use. This study investigates the relationships between road centrality and landscape patterns in the Wuhan Metropolitan Area, China. The densities of centrality measures, including closeness, betweenness, and straightness, are calculated by kernel density estimation (KDE). The landscape patterns are characterized by four landscape metrics, including percentage of landscape (PLAND), Shannon's diversity index (SHDI), mean patch size (MPS), and mean shape index (MSI). Spearman rank correlation analysis is then used to quantify their relationships at both landscape and class levels. The results show that the centrality measures can reflect the hierarchy of road network as they associate with road grade. Further analysis exhibit that as centrality densities increase, the whole landscape becomes more fragmented and regular. At the class level, the forest gradually decreases and becomes fragmented, while the construction land increases and turns to more compact. Therefore, these findings indicate that the ability and potential applications of centrality densities estimated by KDE in quantifying the relationships between roads and landscapes, can provide detailed information and valuable guidance for transportation and land-use planning as well as a new insight into ecological effects of roads.

LIU Yaolin, WANG Huimin, JIAO Limin, LIU Yanfang, HE Jianhua, AI Tinghua. Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China[J]. Chinese Geographical Science, 2015, 25(4): 511-522. doi: 10.1007/s11769-015-0749-y
Citation: LIU Yaolin, WANG Huimin, JIAO Limin, LIU Yanfang, HE Jianhua, AI Tinghua. Road Centrality and Landscape Spatial Patterns in Wuhan Metropolitan Area, China[J]. Chinese Geographical Science, 2015, 25(4): 511-522. doi: 10.1007/s11769-015-0749-y
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