下边界条件对多年冻土温度场变化数值模拟的影响
孙哲, 赵林, 胡国杰, 乔永平, 杜二计, 邹德富, 谢昌卫

Influence of lower boundary conditions on the numerical simulation of permafrost temperature field changes
Zhe SUN, Lin ZHAO, Guojie HU, Yongping QIAO, Erji DU, Defu ZOU, Changwei XIE
表1 研究区各岩土层的物理参数
Table 1 Physical parameters of soil layers in the study area
深度/m容重/(kg·m-3λf/(W·m-1·℃-1λu/(W·m-1·℃-1cf/(kJ·m-3·℃-1cu/(kJ·m-3·℃-1体积含水量/%土质
0~0.21 6501.401.121 9792 4573砂土
0.2~2.01 6002.401.901 9002 20021粉质砂土
2.0~2.41 2002.222.102 1002 24045粉质黏土
2.4~3.01 5502.401.901 9502 53030砾砂
>3.02 2101.451.151 9132 22715碎石砂土