The high absorption energy makes groundwater in air containing zone move towards the freezing layer and produce seasonal frozen perchedgroundwater.
它具有很强的吸附能凝聚水分，使包气带水和潜水从液态、汽态向冻结层迁移富集，形成季节性固态地下水。
2
The perched stream is the river whose bed is apparently higher than the land side ground of the river wall and whose water level is higher than both side grounds all the year round.