摘要
Abstract
Based on analysis of the topography, climate, meteorology, hydrogeology resulted from permafrost at Bayan Har Mountain, Madoi County, Yushu and the distribution characteristics of permafrost thereon, we, depending on statistics and analysis of local temperatures, studied the status quo with regard to local permafrost degradation systematically, through which the design basis for permafrost subgrade of National Highway 214 in Yushu, Qinghai Province is provided.关键词
高速公路/多年冻土退化/分析及预测Key words
highway/ permafrost degradation/ analysis and forecast分类
交通工程