Performance Evaluation of Four-Parameter Models of the Soil-Water Characteristic Curve

Table 2

Textural classes and UNSODA codes for soils used in this study.

Number	Textural class	UNSODA codes
		Sample 1	Sample 2
1	Sand	4651	4660
2	Loamy sand	1062	1111
3	Sandy loam	1381	4171
4	Silty loam	1282	4180
5	Silt	4670	1330
6	Loam	2401	2614
7	Sandy clay loam	1184	2542
8	Silty clay loam	2593	3241
9	Clay loam	1123	1213
10	Sandy clay	1135	1174
11	Silty clay	1383	1361
12	Clay	2362	4680