中文摘要：

川藏公路沿线多种自然灾害频繁,成为沿线旅游业发展的重要限制性因素之一。文中以旅游安全为出发点,选取了8个自然灾害指标,采用多灾种加权叠加法,对川藏公路沿线自然灾害进行了危险性分析,结果表明：川藏公路沿线综合自然灾害高危险区（波密-八宿、泸定-邛崃）、较高危险区（八宿-芒康、雅江-康定）、中危险区（堆龙德庆-墨竹工卡、林芝-波密、康定-泸定、理塘-雅江、邛崃-新津）、较低危险区（新津-成都、墨竹工卡-工布江达、巴塘-理塘）、低危险区（工布江达-林芝）,分别占总里程的20.9%、25.7%、25.1%、21.6%、6.7%,其中,中等危险以上里程占总里程的71.7%,认为川藏公路是一条自然灾害高危险的旅游线路,研究结果将为川藏公路沿线以及自然灾害频繁的旅游地或旅游线路的旅游业开发和管理提供科学借鉴。

英文摘要：

A variety of frequent natural disasters is one of the limiting factors for the development of tourism along Sichuan -Tibet highway （south line）. In this paper, from the point of tourism security, eight indeises were chosen to analyze the multi - hazard of natural disasters along the Sichuan - Tibet highway using a multi - hazard weighted superposition method. The results showed that the highest dangerous zone （Bomi -Basoi, Luding- Qionglai）, higher dangerous zone （Basoi - Mangkang, Yajiang - Kangding ）, middledangerous zone （ Doilungdegen - Maizhokunggar, Nyingchi - Bomi, Kangding - Luding, Lit - ang - Yajiang, Qionglai - Xin- jing）, lower dangerous zone（Xinjing- Chengdu, Maizhokunggar- Gongbog＇vamda, Ba- tang- Litang） and the lowest dangerous zone （ Gongbo＇gvamda - Nyingchi ）, respectively accounted the total mileage of 20.8 %, 20. 8% ,31.1% ,21.6% ,6.7% along the Sichuan -Tibet highway. 71.7% of the total mileage of the Sichuan -Ti- bet highway are endangered by the nature disasters more than morderate degrees, so it is considered to be a tourist routes with high harm of nature disasters. The results of the study will provide a scientific reference for tourism development and management along the Sichuan- Tibet highway.