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soil hydraulic parameters

Uncertainty in the determination of soil hydraulic parameters and its influence on the performance of two hydrological models of different complexity

Uncertainty in the determination of soil hydraulic parameters and its influence on the performance of two hydrological models of different complexity

... of soil hydraulic properties forms often a limiting factor in unsaturated zone modelling, especially at the larger ...the hydraulic character- ization of soils are time-consuming and costly, and the ...

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Inverse modelling of in situ soil water dynamics: investigating the effect of different prior distributions of the soil hydraulic parameters

Inverse modelling of in situ soil water dynamics: investigating the effect of different prior distributions of the soil hydraulic parameters

... of soil water state variables under natural boundary conditions are often used to estimate the soil hydraulic ...the soil hydrological literature have demonstrated that the information content ...

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Different scenarios for inverse estimation of soil hydraulic parameters
from double-ring infiltrometer data using HYDRUS-2D/3D

Different scenarios for inverse estimation of soil hydraulic parameters from double-ring infiltrometer data using HYDRUS-2D/3D

... obtaining soil hydraulic properties through the inverse ...the soil profile (Reynolds et ...of soil hydraulic properties from ponded or tension infiltration experiments (Bohne et ...of ...

8

Estimating Soil Hydraulic Parameters Characterizing Rainwater Infiltration and Runoff Properties of Dryland Floodplains

Estimating Soil Hydraulic Parameters Characterizing Rainwater Infiltration and Runoff Properties of Dryland Floodplains

... from soil types increased with time following rapid increase in soil water ...all parameters reaching ...θr parameters increased with time a phenomenon that collaborated with the notion that ...

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Sensitivity of water stress in a two layered sandy grassland soil to  variations in groundwater depth and soil hydraulic parameters

Sensitivity of water stress in a two layered sandy grassland soil to variations in groundwater depth and soil hydraulic parameters

... the soil profile were ...the soil moisture sensor was placed, ...of soil water stress was larger in 2013 as compared to ...to soil water availability but is also due to climate limitations ...

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Effect of Compaction on Soil Hydraulic Parameters of Vegetative Landfill Covers

Effect of Compaction on Soil Hydraulic Parameters of Vegetative Landfill Covers

... of soil material that will be used for vegetative covers or evapotranspiration (ET) covers of ...German Soil Classification Handbook ...in soil material in comparison with naturally developed soils ...

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Inverse modelling in estimating soil hydraulic functions: a Genetic Algorithm approach

Inverse modelling in estimating soil hydraulic functions: a Genetic Algorithm approach

... measured soil hydraulic data are used as fitting criteria to estimate the soil hydraulic parameters by inverting the governing equation of the soil water ...aquifer ...

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Using an inverse modelling approach to evaluate the water retention in a simple water harvesting technique

Using an inverse modelling approach to evaluate the water retention in a simple water harvesting technique

... of soil hydraulic parameters from measured data for two- dimensional ...the soil surface mimicking rainfall, a variable pressure head bound- ary condition in the infiltration trench used for ...

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Numerical Study of Macropore Impact on Ponded Infiltration in Clay Soils

Numerical Study of Macropore Impact on Ponded Infiltration in Clay Soils

... Soil hydraulic parameters of the macropore domain were estimated assuming aggregate de- velopment and hydro-physical ...properties. Soil porosities at observed locations varied between 40% and ...

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EnKF with closed eye period – towards a consistent aggregation of information in soil hydrology

EnKF with closed eye period – towards a consistent aggregation of information in soil hydrology

... of soil water movement ex- poses uncertainties in all model ...specific hydraulic situation of a 1-D soil profile with TDR (time domain reflectometry)-measured water ...dition, soil ...

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New pedotransfer function (“CRC”) for the prediction of unsaturated soil hydraulic conductivity using soil water retention data

New pedotransfer function (“CRC”) for the prediction of unsaturated soil hydraulic conductivity using soil water retention data

... on soil texture and provide soil hydraulic ...of hydraulic conduc- tivity from water retention ...important soil hydraulic properties which do not express themselves in data ...

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Landslide susceptibility assessment of Calabar, Nigeria using Geotechnical, Remote Sensing and Multi-Criteria Decision Analysis: Implications for urban planning and development

Landslide susceptibility assessment of Calabar, Nigeria using Geotechnical, Remote Sensing and Multi-Criteria Decision Analysis: Implications for urban planning and development

... Remote sensing methods involved acquisition of LANDSAT-7 Enhanced Thematic Mapper imageries from the earth explorer website and digital elevation model raster maps from the Shuttle Radar Topo- graphic Mission (SRTM). ...

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Mapping soil hydraulic properties using random forest based pedotransfer functions and geostatistics

Mapping soil hydraulic properties using random forest based pedotransfer functions and geostatistics

... the soil hy- draulic maps prepared by the RFK method due to kriging the residuals, which is an ...topographical parameters are not important for the prediction of soil hydraulic prop- erties ...

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Advances in intelligent and autonomous systems to improve irrigation and fertiliser efficiency

Advances in intelligent and autonomous systems to improve irrigation and fertiliser efficiency

... VARIwise steps toward autonomous irrigation and nutrient prescription and application by linking infield sensing, data processing and control actuation. ‘VARIwise’ is a software framework that implements and simulates ...

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Spatial analysis of soil hydraulic properties of an alfisol in Akure, Southwestern Nigeria

Spatial analysis of soil hydraulic properties of an alfisol in Akure, Southwestern Nigeria

... of soil hydraulic properties and processes leads to better predictions of both agricultural and environment ...estimated soil hydraulic properties and also spatially characterize these ...

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Evaluating the potential to impose partial root zone drying (PRD) on clay soils in commercial cotton production systems

Evaluating the potential to impose partial root zone drying (PRD) on clay soils in commercial cotton production systems

... and soil moisture gradients move the water vertically through the ...accurate soil parameters, including the initial volumetric soil moisture contents obtained and the saturated volumetric ...

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Hydraulic conductivity and chemical compatibility of some Victorian soils used as liners for waste containment

Hydraulic conductivity and chemical compatibility of some Victorian soils used as liners for waste containment

... Soil specimens using Sunshine and Werribee soils were tested in the laboratory to investigate the effect of hydraulic gradient on hydraulic conductivity measurement by... The same proce[r] ...

393

Experimental study on the spatial variation of hydrodynamic parameters for hillslope-gully side erosion system in loess landscapes

Experimental study on the spatial variation of hydrodynamic parameters for hillslope-gully side erosion system in loess landscapes

... the hydraulic resistance in overland flow studies that are conducted in the laboratory or field; while the Manning roughness coefficient (n) is widely used as a parameter for channel flow in engineering and ...

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Hydraulic properties of four soils from the Heretaunga Plains and prediction of their soil water behaviour during border dyke irrigation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Soil Science

Hydraulic properties of four soils from the Heretaunga Plains and prediction of their soil water behaviour during border dyke irrigation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Soil Science at Massey University

... 4 Drainage 2.1.5 Sampling for undisturbed soil cores 2.2 Calculations for hydraulic conductivity 2.2.1 Theory 2.2.2 Flux density 2.2.3 Hydraulic gradient 2.2.4 Hydraulic conductivity 2.2[r] ...

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Hydraulic properties of four soils from the Heretaunga Plains and prediction of their soil water behaviour during border dyke irrigation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Soil Science

Hydraulic properties of four soils from the Heretaunga Plains and prediction of their soil water behaviour during border dyke irrigation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Soil Science at Massey University

... 4 Drainage 2.1.5 Sampling for undisturbed soil cores 2.2 Calculations for hydraulic conductivity 2.2.1 Theory 2.2.2 Flux density 2.2.3 Hydraulic gradient 2.2.4 Hydraulic conductivity 2.2[r] ...

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