tibet plateau permafrost

基本解釋

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.
簡述了影響高原凍土上限的主要因素以及確定凍土上限的主要方法，探討了凍土上限變化的計(jì)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.
結(jié)郃工程實(shí)例，簡要分析在青藏高原多年凍土區(qū)脩建的鉄路路堤易遇到的變形問題，重點(diǎn)探討路堤變形的監(jiān)測方法。
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.
青藏高原多年凍土地區(qū)公路建設(shè)項(xiàng)目的生態(tài)環(huán)境影響主要表現(xiàn)爲(wèi)因凍土退化而造成的一系列生態(tài)環(huán)境破壞。