Mapping Agricultural Frozen Soil on the Watershed Scale Using Remote Sensing Data

Table 2

Soil textures and attributes of the 12 fields selected as training/validation sites.

Field no.	Organic (%)	Sand (%)	Silt (%)	Clay (%)	Texture	Altitude (m)
1	4.31	56.7	30.5	12.8	Sandy loam	139.36
2	3.50	55.0	31.6	13.5	Sandy loam	140.03
3	3.35	47.9	38.7	13.4	Loam	180.37
4	5.11	52.3	34.2	13.5	Sandy loam	178.46
5	4.25	47.4	42.0	10.7	Loam	158.06
6	2.68	44.2	43.2	12.5	Loam	157.31
7	3.75	47.6	45.0	7.4	Loam	184.38
9	3.05	52.8	39.7	7.4	Sandy loam	282.81
10	3.75	41.2	45.4	13.3	Loam	292.37
11	42.06	—	—	—	Organic	173.19
12	3.40	69.4	25.4	5.3	Sandy loam	173.67
14	1.82	79.5	17.1	3.4	Loamy sand	131.88