COMPARISON OF SELECTED PEDOTRANSFER FUNCTIONS FOR THE DETERMINATION OF SOIL WATER RETENTION CURVES

被引:2
|
作者
Kupec, Michal [1 ]
Stradiot, Peter [2 ]
Rehak, Stefan [2 ]
机构
[1] Comenius Univ, Fac Nat Sci, Dept Soil Sci, Mlynska Dolina B-2, Bratislava 84215, Slovakia
[2] Water Res Inst, Bratislava 81249, Slovakia
关键词
Soil moisture retention curve; pedotransfer functions; Borska Lowland;
D O I
10.1515/sjce-2015-0016
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Soil water retention curves were measured using a sandbox and the pressure plate extractor method on undisturbed soil samples from the Borska Lowland. The basic soil properties (e.g. soil texture, dry bulk density) of the samples were determined. The soil water retention curve was described using the van Genuchten model (Van Genuchten, 1980). The parameters of the model were obtained using the RETC program (Van Genuchten et al., 1991). For the determination of the soil water retention curve parameters, two pedotransfer functions (PTF) were also used that were derived for this area by Skalova (2003) and the Rosetta computer program (Schaap et al., 2001). The performance of the PTFs was characterized using the mean difference and root mean square error.
引用
收藏
页码:33 / 36
页数:4
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