THE STUDY ON DISTRIBUTING PATTERN AND NETWORK STRUCTURE OF AIR FREIGHT AIRPORTS IN CHINA
分析了中国130个国内机场和72个国际机场的航空货运分布与网络结构，发现货运高度集中于上海、广州、深圳、北京等枢纽城市，国际联系主要面向北美、日韩、西欧，而中小城市间及与非洲、拉美的直接航线缺失。
Choosing 130 domestic airports and 317 domestic airlines,72 international airports and 237 international airlines,this paper analyses the air freight airport distributing pattern and network structure in China at the angle of airport and airline,it indicates that: East China,South China and Central-South China are the main origins,destinations and transshipments,Shanghai,Guangzhou and Shenzhen,Beijing form the air freight three angles of China;the air freight main distribute in several hub airlines,and the whole top 5 quantity of the air freight is up to 412600 ton,account for 8.72 percent;the air freight high concentrate on the citys which population is more one million,while the air freight contact of city which population is less than one million is feeble,the total of market quotient is less than one percent and there is no direct airline between medium cities and big cities,among medium cities,among small cities; the international air freight contact main concentrate on North America,JapanKorea,Western Europe,Hong Kong and Macao,the air freight contact with Eastern Europe,Middle East and South Asia is feeble,and there are no direct airline to Africa and Latin America.