In situ measurements of freeze/thaw ground displacement in the Lena River Del...

In permafrost areas, seasonal freeze-thaw cycles of active layer result in upward and downward movements of the ground. Additionally, relatively uniform thawing of the ice-rich...在多年冻土（permafrost）分布区域内，活动层（active layer）的季节性冻融循环会导致地面产生升降运动。此外，富冰地层的相对均匀融化……