基于地基微波辐射计数据评估不同土壤介电模型反演土壤湿度的适用性
王作亮,文军,刘蓉,李振朝,郑东海,王欣

Evaluation of the Applicability of Different Dielectric Models for Soil Moisture Retrieval based on the Ground-based Radiometer Measurements
Zuoliang Wang,Jun Wen,Rong Liu,Zhenchao Li,Donghai Zheng,Xin Wang
表3 垂直极化条件下不同土壤介电模型反演土壤湿度与观测土壤湿度的统计结果
Table3 Statistics of soil moisture between V-polarization retrieval and measurement at 2 cm and 5 cm for different permittivity models
2 cm 5 cm
土壤介电模型

RMSE

/m3·m-3

ubRMSE

/m3·m-3

Bias

/m3·m-3

R2

RMSE

/m3·m-3

ubRMSE

/m3·m-3

Bias

/m3·m-3

R2
TB-V Wang-Schmugge 0.074 0.046 0.059 0.81 0.083 0.046 0.071 0.79
Dobson 0.076 0.045 0.063 0.84 0.088 0.048 0.074 0.82
Four-phase 0.080 0.045 0.067 0.85 0.091 0.048 0.079 0.82
Mironov 0.061 0.043 0.046 0.84 0.072 0.045 0.057 0.82