RESEARCH ON SPATIAL STRUCTURE OF DOMESTIC TOURISM SOURCE MARKETS OF JIANGSU
以江苏为例，分析2000-2008年国内旅游客源市场，发现客源市场符合距离衰减规律，500公里内覆盖60%区域，距离摩擦指数为1.2095。
Take Jiangsu province as an example, this article analyzed the Jiangsu guest market share of domestic tourism and found that from 2000 to 2008, the primary market holds an absolutely dominant position with a larger share of the market, but there is a downward trend .The distance from guest origin of Jiangsu province to the destination is increasing in general and Jiangsu has been attracting more tourists to come, not only the close quarters tourists, but also the tourists of distant range. The distribution of the guest market in Jiangsu province is in accordance with distance-decay. It decreases fast within 500 km and covers 60% regions. From 500km to 2 300km, the passenger flow volume decreases in fluctuation. On the basis of investigation, the article analyses different curves, finding that the decay of Jiangsu guest market is in accordance with the exponential decay, and the index of distance friction is 1.2095.