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In order to compare the aviation network of mid-south, northwest and southwest of China to reveal the structure similarity and difference for providing quantitative evidence to construct regional aviation network and improve its structure, hierarchical index model of regional aviation network was established through dividing the aviation network into layers to research its structure characters. Data matrixes were defined to record the basic state of regional aviation network. Index matrixes were constructed to describe the quantitative features of regional aviation network. On the basis of these indexes, several structure indexes of all layers of aviation network were calculated to show the structure features of aviation network, such as ratio of passenger volume within the region with across the region, share rate of passenger volume among layers, ratio of average number of airline for each airport, ratio of average passenger volume for each airline and ratio of airline rate. According to the statistical data, similar structure of share rate of passenger volume among layers and average passenger volume for each airline in their regional aviation network was found after calculating. But on the side of ratio of passenger volume within the region with across the region, ratio of average number of airlines for each airport and ratio of airline rate were different.

Comparing of Aviation Network Structure of Mid-south, Northwest and Southwest of China Based on Hierarchical Index Model