以西藏神湖拉姆拉措为例,对该地汉族旅游者出游的精神动机和游客类型进行了划分。结果表明:拉姆拉措的汉族旅游者出游动机可以由低到高分为五个层次:观光猎奇、休闲放松、加强联系、探索自我和神圣超越,但观光猎奇和休闲放松仍是多数人出游的基础动机,动机层次越高,所覆盖人数越少;该地的汉族游客可分为四类:加强联系型旅游者、探索自我型旅游者、以神圣超越为主导动机的需求多样型旅游者和观光猎奇型旅游者,并且,四类旅游者仅在宗教信仰和旅行伴侣上的分异达到显著水平。

The study of volume of loose materials and the possibility of blocking and dam break triggered by debris flow mobilization from landslides in Zhamunonggou has important scientific and engineering significance. Firstly,we get the total volume of source of debris flow based on the engineering geology analysis method and field investigation. Secondly,we estimated the deposition range and depth of future debris flow by three dimensional numerical simulations. Lastly,we get the possibility of debris flow blocking river and dam break by the analysis of deposition and material composition of the dam in 2000. The following conclusions are obtained through the study: (1) the total volume of loose materials of debris flow is 2. 37 * 10~8 m~3; (2) under the earthquake (seismic intensity is Ⅷ degrees) and extreme climate conditions,debris flow mobilization from landslides similar to the 2000 incident are likely to cause blockage; (3) dam break risk may increase gradually with the starting volume increases.