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Hydraulic Conductivity

Hydraulic conductivity of composite soils

Hydraulic conductivity of composite soils

... The hydraulic conductivity is dependent on the void ratio, clay type and particle size distribution and, in the case of composite soils it is also dependent on the clay ...of hydraulic ...

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The impact of different tillage treatments on hydraulic conductivity of loamy soil

The impact of different tillage treatments on hydraulic conductivity of loamy soil

... KAMENÍČKOVÁ, I., LARIŠOVÁ, L., STOKLÁSKOVÁ, A.: The impact of diff erent tillage treatments on hydraulic conductivity of loamy soil. Acta univ. agric. et silvic. Mendel. Brun., 2012, LX, No. 5, pp. 109–114 ...

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Influence of soil, land use and climatic factors on the hydraulic conductivity of soil

Influence of soil, land use and climatic factors on the hydraulic conductivity of soil

... Soil hydraulic con- ductivity is traditionally measured on small samples in the laboratory (Klute and Dirksen, 1986) or with a variety of different infiltrometer techniques in the field (White et ...soil ...

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Review of Some Methods of Determining in-Situ Saturated Hydraulic Conductivity of Soil

Review of Some Methods of Determining in-Situ Saturated Hydraulic Conductivity of Soil

... Abstract: In-situ determination of K is important especially when the physical features of the soil system in question is to be characterized as accurately as possible. It gives more reliable values because there is ...

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Sprinkler Irrigation Effects on Infiltration and Near-Surface Unsaturated Hydraulic Conductivity

Sprinkler Irrigation Effects on Infiltration and Near-Surface Unsaturated Hydraulic Conductivity

... potential. We believe that these unexpected decreases in infiltration rates were due to settling of soil under the tension infiltrometers as the soil's bearing capacity decreased due to wetting. The soil settling ...

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Scaling and Fractal Concepts in Saturated Hydraulic Conductivity: Comparison of Some Models

Scaling and Fractal Concepts in Saturated Hydraulic Conductivity: Comparison of Some Models

... however, the pore size, shape, and orientation of soils, especially heavy soils, depend substantially on the soil structural regime and bulk density. Soil structures can produce many coarse pores and are, as a result, ...

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Averaging hydraulic head, pressure head, and gravitational head in subsurface hydrology, and implications for averaged fluxes, and hydraulic conductivity

Averaging hydraulic head, pressure head, and gravitational head in subsurface hydrology, and implications for averaged fluxes, and hydraulic conductivity

... Abstract. Current theories for water flow in porous media are valid for scales much smaller than those at which problem of public interest manifest themselves. This provides a drive for upscaled flow equations with their ...

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Estimating hydraulic conductivity of internal drainage for layered soils in situ

Estimating hydraulic conductivity of internal drainage for layered soils in situ

... unsaturated hydraulic conductivity of Tukulu, Sepane and Swartland soils from parametric mod- els using information from saturated hydraulic conductivity, laboratory soil water retention and ...

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Technical note: Saturated hydraulic conductivity and textural heterogeneity of soils

Technical note: Saturated hydraulic conductivity and textural heterogeneity of soils

... saturated hydraulic conductivity averaged by ranges of the heterogeneity ...saturated hydraulic conductivity of ...soil hydraulic con- ductivity, it may be beneficial to look for other ...

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Bridging the gap between models and measurements of peat hydraulic conductivity

Bridging the gap between models and measurements of peat hydraulic conductivity

... soil hydraulic structure determine the long-term development of peatlands and their short- to medium-term response to external forcings such as climate change [Belyea, 2009; Waddington et ...Peat hydraulic ...

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Least squares estimation of hydraulic conductivity from field data

Least squares estimation of hydraulic conductivity from field data

... The modeling of groundwater ow is a cru- cial step in any quantitative analysis of subsur- face contamination. From site characterization to remediation, ow models provide important decision-making tools. The main ...

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Kozeny Carman Equation and Hydraulic Conductivity of Compacted Clayey Soils

Kozeny Carman Equation and Hydraulic Conductivity of Compacted Clayey Soils

... Laboratory Hydraulic Con- ductivity Tests for Saturated Soils, Hydraulic Conductiv- ity and Waste Contaminant Transport in Soil,” In: ...Eds., Hydraulic Conductivity and Waste Contaminant ...

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Characterization of stony soils’ hydraulic conductivity using laboratory and numerical experiments

Characterization of stony soils’ hydraulic conductivity using laboratory and numerical experiments

... in hydraulic gradi- ent near stones. As small variations in the hydraulic gradient can lead to substantial changes in the hydraulic conductivity estimates, we chose to place observation nodes ...

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Assessing the Hydraulic Conductivity of Open Drainage for Surface Water in Road Safety Zones

Assessing the Hydraulic Conductivity of Open Drainage for Surface Water in Road Safety Zones

... designed hydraulic water permeability, which results in the formed surface water during the periods of spring thaws at roadsides or harder summer-autumn ...designed hydraulic conductivity made more ...

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Validity of Light Transmittance to Predict Soil Hydraulic Conductivity in Salt-Affected Soils

Validity of Light Transmittance to Predict Soil Hydraulic Conductivity in Salt-Affected Soils

... Data of both K and % T displayed a negative relationship with SAR (tendency to dispersion condition as SAR increase). The curves relating either % T or K to SAR were varied in their reflection points which refer to high ...

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A global data set of soil hydraulic properties and sub-grid variability of soil water retention and hydraulic conductivity curves

A global data set of soil hydraulic properties and sub-grid variability of soil water retention and hydraulic conductivity curves

... generation. Hydraulic parameters describing the soil water retention (WRC) and hydraulic conductivity (HCC) curves are typically derived from soil texture via pedotransfer functions ...between ...

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A new empirical model for estimating the hydraulic conductivity of low permeability media

A new empirical model for estimating the hydraulic conductivity of low permeability media

... Figure 2(a)–(c) shows K respectively as a function of the percent of clay, silt and sand-sized particles of the grain-size distribution, respectively. Two different trends can be observed, in which K increases with an ...

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Spectral induced polarization measurements for predicting the hydraulic conductivity in sandy aquifers

Spectral induced polarization measurements for predicting the hydraulic conductivity in sandy aquifers

... show frequency dependence, it is difficult to obtain a constant phase angle behavior over a limited frequency range for inho- mogeneous unconsolidated aquifers; multiple frequency data are required to study the spectral ...

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In situ measurements of near-surface hydraulic conductivity in engineered clay slopes

In situ measurements of near-surface hydraulic conductivity in engineered clay slopes

... the hydraulic conductivity of fine grained soils at the near-surface as discussed ...provide hydraulic conductivity (k) values that tend to increase with increasing sample diameter, as soil ...

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Study on Effect of Non Uniformity of Sediments on Hydraulic Conductivity of Porous Media

Study on Effect of Non Uniformity of Sediments on Hydraulic Conductivity of Porous Media

... From the discussion related to analysis of results , an important conclusion drawn on the basis of this study refects that hydraulic resistance increases as standard deviation increases thus decreasing the ...

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