论文部分内容阅读
地处内蒙古高原、黄土高原、青藏高原三大高原交汇地带;平均海拔2400米左右,冰冻期每年7个月以上,最大冰冻深度2米;最低气温超过—40℃,全年平均气温—2.2℃;年平均8级以上大风73天,山高缺氧,水沸点只有82℃。这里气候阴冷潮湿,暴雪、冰雹、雨凇、雾凇、雷雨、大风等灾害性天气频发,昼夜温差显著,每年冬季从9月开始,直直次年5月才结束,自古就有“盛夏飞雪、寒气砭骨”的描述。这里,正是乌鞘岭隧道群的坐落之处。
Located in the Inner Mongolia plateau, Loess Plateau, Qinghai-Tibet Plateau three plateau intersection; average elevation of about 2400 meters, the freezing period of more than 7 months each year, the maximum depth of 2 meters; minimum temperature exceeds -40 ℃, the annual average temperature of -2.2 ℃ ; Annual average of more than 8 gale 73 days, mountain high oxygen, water boiling point only 82 ℃. Here the weather is cold and humid, blizzard, hail, rain 凇, fog 凇, thunderstorms, gale and other disastrous weather, significant temperature difference between day and night, each winter from September onwards, straight until May the following year is over, since ancient times, Blizzard, cold stomachache "description. Here, it is where the Wushaoling tunnel group is located.