中文摘要：

基于GIS平台，构建可达性模型分析哈大高铁开通后东北各城市旅游交通网络可达性变化特征，然后通过修正引力模型，从时空压缩效应、高铁旅游带的形成、旅游通勤圈空间分异、加剧旅游极化效应等方面分析哈大高铁对东北各城市间旅游经济联系的影响。结果显示：高铁带来的时空压缩效应大大强化了东北城市的旅游交通可达性和旅游经济联系，整个通勤圈时空压缩2h左右，提升幅度均呈现距离高铁增加而衰减现象，且省际城市间的变化大于省内城市间的变化，东三省的变化大于内蒙东部区域的变化。沿线城市在高铁开通后将获得更大的旅游发展动能，并加快哈大高铁旅游带的形成。沿线城市“一日游”和“两日游”受益明显，偏远城市则在“七日游”方面受益较多；东北旅游应以高铁为契机，精心开发沿线旅游精品线路，加快旅游一体化合作，打造东北旅游新形象。高铁使旅游市场空间分布上出现“极化效应”，提升旅游产业供求效率的同时，拉大了城市间旅游差距，不利于旅游产业协调性发展。今后应以高铁为核心完善快速交通干线布局，将更多旅游城市和旅游景点纳入高铁通勤圈。

英文摘要：

Based on the platform of GIS, this article analyzes the effect of Harbin-Dalian high-speed railway to the tourist traffic network of the cities in Northeast China with establishing accessibility model. Then through modifying the gravity model, we analyzed the change of the cities＇ tourism economy from the aspects of time space compression effect, the formation of the high speed railway tourism belt, the spatial differentiation of the tourism commuter circle, and the effect of the tourism polarization. The result showed that： the time compression effect brought by the high speed rail has greatly strengthened the tourism traffic accessibility and tourism economy of the cities in Northeast China. The entire commuter circle compressed about 2 hours, the degree of the promotion present the phenomenon that the distance between cities and high speed railway become farther, the degree of the change become lower, the change outside of the province was more clear than that in the province, the change in the three provinces in northeastern area was more obvious than that in the eastern region of Inner Mongolia. Cities along the Harbin-Dalian high-speed railway obtained greater kinetic energy in the tourism development, then this will accelerate the formation of Harbin Dalian High-speed Rail tourism belt. One day and two days tour of the cities along the railway benefit significantly, but for the remote cities, seven days tour benefits obviously. Northeast tourism should take the high-speed rail as an opportunity to carefully develop Boutique tourist routes, and speed up the integration of tourism cooperation, create a new image of tourism in Northeast China. High speed rail makes the distribution of tourism market space appears ＇polarization effect＇, although it improves the supply and demand efficiency of the tourism industry, it widened the gap between urban tourism, so it is not conducive to the coordination of tourism industry development. In the future, we should speed up the other high-speed rail line or branc