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As measuring soil water retention curves (WRCs) is time-consuming and costly, pedotransfer functions (PTFs) which predict WRCs from the fundamental soil properties bulk density (D b ), texture, and organic C (C org ) are in common use. The regionalization of WRCs with a PTF can be performed in two different ways. (1) Interpolate first the fundamental properties, and apply...
Geostatistically interpolated soil properties were combined with a pedotransfer function (PTF) to predict the three-dimensional variability of water retention curves (WRCs) in a highly variable soilscape. A new PTF had to be developed to account for the extreme variation in soil parameters: texture varying between gravel and clay, organic C content up to 81 g kg -1 , and bulk density...
The thickness and physical properties of colluvium and saprolite were investigated to clarify their role in the hydrological processes in a forested basin. We measured their thickness using a handy dynamic cone penetrometer, and surveyed soil profiles to obtain undisturbed cylindrical samples for measuring physical properties, i.e., effective porosity. Saprolite is divided into strongly weathered...
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