| With the continuous growth of the number of airports and the number of passengers,the infrastructure planning and construction work leading to the airport has also become crucial.The effective functioning of airport transportation depends largely on the coordinated operation of airport land-side transportation and airport air-side services.Therefore,the immature development of airport land-side transportation can often become a bottleneck restricting airport development.The matching,coupling and benign collaboration between airport external transportation and airport radiation range is not only the need to improve the development level of China’s airports,but also the need for China to build a strong civil aviation country.Based on the perspective of airports,this article selects 39 airports with passenger capacity of over 10 million in 2019 in China to study the coupling and collaborative development relationship between their external transportation and radiation range.In this thesis,the AHP-TOPSIS method is used to construct an airport external transportation evaluation system and evaluate the development level of external transportation at 39 10 million level airports;Based on Wilson’s model,a calculation model of airport radiation range is constructed and the radiation range of a 10 million level airport is quantitatively calculated;Based on the coupling degree model,the coupling synergy relationship between the external traffic and the radiation range of 10 million level airports is quantitatively analyzed.Finally,classify the types of airport development and propose a coordinated development path for each type of airport,including external transportation and radiation range.The research on 10 million level airport external transportation has found that there is a generally positive correlation between airport passenger throughput and the development level of airport external transportation.Among the tens of millions of airports,Shanghai Hongqiao Airport is the ideal solution for transportation development;The research on the radiation range of ten million level airports has found that the development level of the radiation range of ten million level airports in China is good,and they can radiate surrounding counties and provide aviation services for passengers who are far away.At the same time,the radiation range also shows a trend of decreasing with the decrease of passenger throughput;The research on the coupling and development types of the two has found that the coupling degree between the external traffic and the radiation range of China’s ten million level airports is high,and the two have a significant interaction.However,some airports lack coordination with each other and need to be upgraded to a high level of coordination.Among the 39 ten million level airports in China,there are 2 airports with synchronous development of airport external transportation and radiation range,accounting for only 5.12%,respectively Guangzhou Baiyun Airport and Shijiazhuang Zhengding Airport;There are a total of 20 airports with lagged development of airport external transportation,accounting for 51.28%;There are 17 airports with lagging radiation range,accounting for 43.59%;The research on the influencing factors of coupling coordination degree found that the influence of airport traffic development degree,airport route resources,airport radiation level,and urban economic development level on airport coordinated development decreased in turn.In order to achieve the coupling and coordination between the external transportation and the radiation range of China’s ten million level airports,airports should adopt different collaborative paths based on their own development types to promote their healthy and orderly development. |