Results 21 to 30 of about 20,924 (296)
In situ estimation of soil hydraulic and hydrodispersive properties by inversion of electromagnetic induction measurements and soil hydrological modeling [PDF]
Soil hydraulic and hydrodispersive properties are necessary for modeling water and solute fluxes in agricultural and environmental systems. Despite the major efforts in developing methods (e.g., laboratory-based, pedotransfer functions), their ...
G. Dragonetti +6 more
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Soil-water characteristic of biochar-clay mixture in the full suction range
Soil-water characteristic curve (SWCC) plays an important role in defining the hydro-mechanical behavior of unsaturated soils. Biochar has the properties of porous structure, high specific surface area and high adsorption.
LI Ming-yu +3 more
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This study was conducted to assess the applicability of novel types of neural network methods (extreme learning machine (ELM), radial basis function (RBF), modified group method of data handling (M-GMDH)) and M5 tree methods for the prediction of the ...
Bayat, H. +7 more
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SOIL WATER RETENTION CURVE DETERMINATION of ARTIFICIAL SOIL USING TENSIOMETER [PDF]
Soil water retention curve possesses a significant importance in unsaturated soils engineering. The emergence of high capacity tensiometer has provided an alternative technique for the determination of the soil water retention curve.
Dwi Sarah, Sarah, Dwi
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This study aimed to evaluate the influence of magnetized water use on lettuce irrigation management responses, and based on the generated data, to evaluate by simulation the influence of soil water retention curve type on the lettuce irrigation ...
Diotto, Adriano Valentim +5 more
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Parametric soil water retention models: a critical evaluation of expressions for the full moisture range [PDF]
Few parametric expressions for the soil water retention curve are suitable for dry conditions. Furthermore, expressions for the soil hydraulic conductivity curves associated with parametric retention functions can behave unrealistically near ...
R. Madi +4 more
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Pedotransfer functions for point and parametric estimations of soil water retention curve
A water retention curve is required for the simulation studies of water and solute transport in unsaturated or vadose zone. Unlike the direct measurement of water retention data, pedotransfer functions (PTFs) have attracted the attention of researchers ...
H. Merdun
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Parameter estimation of soil water retention curve with Rao-1 algorithm
The soil water retention curve (SWRC) has a significant role in determining the unsaturated properties of soil. A stochastic optimization algorithm named Rao-1 algorithm is employed to estimate the parameters of the SWRC model in this paper.
Zhongju Wang, Chao Huang, Long Wang
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Relating Hydraulic Conductivity Curve to Soil-Water Retention Curve Using a Fractal Model
In the study of water transference in soil according to Darcy law, the knowledge of hydrodynamic characteristics, formed by the water retention curve θ(ψ), and the hydraulic conductivity curve K(ψ) are of great importance. The first one relates the water
Carlos Fuentes +2 more
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In order to study the water retention curve of remolded loess with different degrees of compaction, the self-made low suction measurement device, tensiometer and GDS unsaturated soil triaxial apparatus were used to measure the water retention curve of ...
WANG Lai-cai 1, 2, HU Hai-jun 1, 2, WANG Chen 1, 2, KANG Shun-xiang 1, 2
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