... 冻土温度 雪盖面积 冰冻圈 气候变暖 [gap=1376]Keywords】: glacier mass balance,glacier variation,permafrost temperature,snow cover,cryosphere,global warming ...
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永久冻土温度上升，在此基础上修建基础设施。
Permafrost warms up, and infrastructure built on it founders.
封闭碎石道碴层可以提升冻土上限，降低多年冻土温度，对下部多年冻土起到很好的保护作用。
The closed ballast layer can raise permafrost table, decrease annual mean ground temperature below the ballast layer, and protect the permafrost effectively.
建立了冻土温度场计算中经常涉及的三类位置固定的热间断面的温度衔接条件和计算处理方法。
The disposal and joining conditions of discontinuous thermal interface concerning three kinds of stationary location are systematically put forward.
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