Spatial structure aggregation fractal of tourism attraction systems in travel circles in Yangtze River Delta
Received date: 2010-04-05
Revised date: 2010-09-28
Online published: 2010-12-20
Applying the travel areas model and GIS to obtain the data of tourism attraction systems in various travel circles in the Yangtze River Delta, this paper measures each aggregation fractal dimension on spatial structure of each tourism attraction system. Aggregation fractal non-scaling intervals have showed three sections of tourism attractions systems' spatial structure in travel circles of Nanjing, Suzhou and Hangzhou, and non-scaling intervals dividing points of three sections correspond to RS=10 km and RS=30 km; those of Changzhou, Wuxi, Shanghai and Shaoxing have showed two sections, and the dividing point corresponds to about RS=30 km; the tourism attractions system' spatial structure of travel circles of Ningbo is simple, and its non-scaling interval is one section and wide. There are differences on the changing trend of aggregation fractal dimension values in the same type of tourist attraction system. We have drawn the conclusion that tourism attraction systems' spatial structure represents the density decay characteristics from the center tourism attraction point to the surrounding hinterland, in the corresponding RS ≤30 km non-scaling interval, aggregation fractal dimension values are clustered around 0.5, in the corresponding 30＜RS≤75 km non-scaling interval, which gathered around 1.35 or 1.80. Tourism attractions systems' spatial structure aggregation fractal dimension values of the northern travel circle including Nanjing, Suzhou, Changzhou, Wuxi and Shanghai are around 1.35, and those of the southern travel circle including Hangzhou, Shaoxing and Ningbo are around 1.80, which indicate that the spatial structure of northern city travel circles are more compact than those of southern city travel circles. Northern city travel circles play a bigger central role, and the travel areas are coordinated with travel circles. These tourism central cities can fully support a three-day travel circles of 110 km radius, and can fully realize the function of tourism management, service and tourism transportation, thus these cities tourism facilities are efficiently used. Southern city travel circles play a relatively weak central role, and these cities deficiently perform the tourism function; then, these cities tourism facilities are used with relatively low efficiency and those actual travel circles' radius are probably less than 110 km. Therefore, we should not build superabundant tourism facilities in these tourism central cities to support a three-day travel, and should build some tourism facilities in these ordinary tourism cities in the scope of 110 km radius.
DAI Xue-jun, DING Deng-shan, LIN Lan . Spatial structure aggregation fractal of tourism attraction systems in travel circles in Yangtze River Delta[J]. GEOGRAPHICAL RESEARCH, 2010 , 29(12) : 2189 -2200 . DOI: 10.11821/yj2010120008
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