基于土壤理化性质估计土壤水分特征曲线Van Genuchten模型参数

李爽, 赵相杰, 谢云, 翟俊瑞, 刘刚, 高晓飞, 李晶, 高燕

Parameter Estimation of Soil Water Retention Curve Based on Soil Physical and Chemical Properties of Van Genuchten Model

Shuang Li, Xiangjie Zhao, Yun Xie, Junrui Zhai, Gang Liu, Xiaofei Gao, Jing Li, Yan Gao

表4 m与n关系修正

Table 4 The correction of relationship of m and n

侵蚀强度 修正后方程4 4R2 修正后方程6 6R2 与原关系差异性 轻 m*=0.39(1.07-1/n) 0.54 m*=0.53(1.05-1/n) 0.49 显著 中 m*=0.73(0.89-1/n) 0.76 m*=0.87(0.96-1/n) 0.75 显著 重 m*=0.44(1.04-1/n) 0.70 m*=0.97(0.93-1/n) 0.21 显著