tibet plateau permafrost

基本解释

The paper briefly discusses the main factors influencing the permafrost table and the main methods of determining the upper limits for the permafrost table in Qinghai-Tibet Plateau.
简述了影响高原冻土上限的主要因素以及确定冻土上限的主要方法，探讨了冻土上限变化的计算公式。
Based on construction practice, the paper analyzes deformation of railway embankment in permafrost zone in Qinghai-Tibet Plateau, centering on monitoring method for embankment deformation.
结合工程实例，简要分析在青藏高原多年冻土区修建的铁路路堤易遇到的变形问题，重点探讨路堤变形的监测方法。
Ecological environmental impacts of highway projects in permafrost areas of Qinghai-Tibet Plateau are mainly demonstrated as a series of ecological deteriorations resulted from permafrost degradation.
青藏高原多年冻土地区公路建设项目的生态环境影响主要表现为因冻土退化而造成的一系列生态环境破坏。