Remote Sensing of Soil Moisture

Table 2

Sensitivity of radiometer channel to 0–6 cm layer gravimetric soil moisture evaluated over corn and soy fields, respectively. The LH channel has the maximum sensitivity with the sensitivity being much greater over soy fields than corn fields [41].

Period	LH	LV	SH	SV
Corn
176–178	−0.386	−0.242	−0.131	−0.076
186-187	−0.831	−0.284	−0.644	−0.070
187-188	−0.316	−0.165	−0.164	−0.124
188-189	−0.357	−0.132	−0.132	−0.084
Soy
176–178	−1.182	−0.333	0.183	−0.054
186-187	−1.013	−0.426	0.787	−0.425
187-188	−1.117	−0.409	−0.379	−0.133
188-189	−1.050	−0.848	−1.047	−0.665