西藏自治区洛扎县冰湖溃决危险度评价  

Assessment of Bursting Hazards of the Ice Lakes in Luozha County, Tibet

作　　者：刘淑珍[1] 李辉霞[1] 鄢燕[1] 柴宗新[1] 杜少平 

机构地区：[1]中国科学院,水利部成都山地灾害与环境研究所,四川成都610041 [2]西藏自治区地热地质大队,西藏拉萨85000

出　　处：《山地学报》2003年第B12期128-132,共5页Mountain Research

摘　　要：西藏自治区湖泊星罗棋布,在高山极高山地区分布大量冰湖,受各种因素的影响,有时会产生冰湖溃决并形成灾害。本文根据最新TM遥感影像对西藏自治区洛扎县283个冰湖进行了初步评价。依据冰湖类型、规模、后方现代冰川与冰湖的距离及冰湖离居民地、公路等设施的距离等,将冰湖溃决分为高危险度、中危险度及低危险度。并针对高危险度的冰湖提出防护对策。Lakes are spread all over the place in Tibet, and many ice lakes are located in alps or extra-high mountain areas. Affected by this and that factor, some ice lakes will burst the banks and cause disasters. Based on the newest TM images, 283 ice lakes of Luozha County in Tibet were initially assessed in this paper. According to their types, scale, distance to modern glacier behind, and distance to residential area and roads, the bursting hazards of the ice lakes were divided into high hazardous, medium hazardous and low hazardous. Finally measures were raised aiming at the high hazardous ice lakes.

关 键 词：冰湖 溃决 评价 

分 类 号：X8204[环境科学与工程—环境工程] X45