黄河源区冻土水文关键要素变化过程及特征分析

施发祥, 秦甲, 韩添丁, 孙洋, 杨冰峰, 付晓雷, 游艳辉

Variation and characteristics of soil hydrological elements in the source region of the Yellow River

SHI Faxiang, QIN Jia, HAN Tianding, SUN Yang, YANG Bingfeng, FU Xiaolei, YOU Yanhui

表1 季节冻土土壤水力参数

Tab.1 Soil hydraulic parameters of seasonally frozen soil

阶段 土层深度/cm θr/(cm3·cm-3) θs/(cm3·cm-3) α n K/(cm·d-1) l 冷季 0~20 0.05 0.464 0.030 1.829 3.80 0.5 >20~40 0.02 0.456 0.050 1.350 12.17 0.5 >40~160 0.01 0.412 0.027 1.440 4.33 0.5 暖季 0~20 0.07 0.417 0.038 1.535 2.85 0.5 >20~40 0.05 0.428 0.075 1.234 5.97 0.5 >40~160 0.01 0.367 0.016 1.270 4.56 0.5