Based on the scale and the reality of the Yangtze River Delta,taking the county as the basic research unit,this article analyzes the pattern of transportation superiority in the Yangtze River Delta in the aspects of the highway network density,the integrated transportation accessibility and the convenience of linking with the regional key cities.Some conclusions are drawn as follows.(1) The Yangtze River Delta has one of the highest highway density in China,and the highway density of the northern part is significantly higher than that of the southern part.The units with highly integrated transportation accessibility are relatively concentrated in the areas along the transportation corridors of Shanghai-Nanjing,Shanghai-Hangzhou,and Hangzhou-Ningbo and the accessibility decreases gradually from the north to the south.Following a distinct core-periphery pattern,the links with the regional key cities are very convenient.The most convenient areas are Shanghai and its adjacent units.(2) The transportation superiority of 50% of the units are close to the regional average level,with more than half of the units having transportation superiority higher than the regional average level.On the whole,the northern part of the region has higher transportation superiority than the southern with a great difference.Shanghai has the highest transportation superiority,which is also high in the units around Shanghai.Other units with better transportation superiority are centralized in the areas along the transportation corridor of Shanghai-Nanjing,Shanghai-Hangzhou,and the Yangtze River.The transportation superiority of the units on both northern and southern edges of the Yangtze River Delta is relatively low.Based on these results,this article puts forward several proposals for the regional development in taking the advantages and avoiding the disadvantages of each specific transportation situation.
WU Wei, CAO You-hui, CAO Wei-dong, LIANG Shuang-bo
. The pattern of transportation superiority in Yangtze River Delta[J]. GEOGRAPHICAL RESEARCH, 2011
, 30(12)
: 2199
-2208
.
DOI: 10.11821/yj2011120007
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