Combining of the H/A/Alpha and Freeman–Durden Polarization Decomposition Methods for Soil Moisture Retrieval from Full-Polarization Radarsat-2 Data

Table 2

Values obtained when evaluating surfaces differing in terms of cover.

Types	H_min	H_max	H_mean	al_min (°C)	al_max (°C)	al_mean (°C)	H_th	al_th (°C)	H_p	al_p (°C)
The bare soil field	0.049	0.930	0.350	1.27	59.96	16.32	0.2–0.4	7–24	0.3	15
The vegetation field	0.282	0.984	0.720	15.40	62.70	37.45	0.6–0.9	22–50	0.7	40
The urban/city field	0.034	0.957	0.526	15.10	97.34	52.47	0-1	18–90	0.65	50
The mixing field	0.041	0.973	0.544	6.65	69.09	26.48	0.2–1	9–50	0.5	25

H_min: H minima of sample areas; H_max: H maxima; H_mean: H mean values; al_min: Alpha minima; al_max: Alpha maxima; al_mean: Alpha mean values; H_th: H threshold ranges; al_th: Alpha threshold ranges; H_p: H peak values; al_p: Alpha peak values.