VIC-CAS导热率和未冻水算法改进及其对多年冻土水热过程模拟的实验研究
李飞,郭佳锴,张世强

Improvement of VIC-CAS algorithm for thermal conductivity and unfrozen water and its experimental study on simulation of hydrothermal process of permafrost
Fei LI,Jiakai GUO,Shiqiang ZHANG
表1 VIC-CAS模型长江源区沱沱河站点率定后主要参数
Table 1 Main parameters of VIC-CAS model after calibration at Tuotuohe station in the source area of Yangtze River
参数符号含义单位层数取值
θs孔隙度30.25、0.030、0.25
Bd土壤容重kg·m-33466.7、412.0、344.5
Sd土壤比重kg·m-33666.69、1029.97、459.04
θr残留含水量30.040、0.075、0.075
Bp进气值mm360.93、14.47、184.68
Ksat饱和水力传导率mm·d-1384.15、291.77、291.77
Dp热阻深度m16