About: Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Laboratory-determined Ks often fails to characterize properly the respective field value; the Ks lab estimation requires labour intensive sampling and fixing procedures, difficult to follow in highly structured soils. Thus simple single- or double-ring ponded infiltration experiments are frequently performed in situ. Several important factors, affecting the infiltration rate during infiltration experiments, are analyzed using 3D axisymmetric finite-element model. The examined factors include: the diameter of the infiltration ring, the depth of water in the ring, the depth of the ring insertion under the soil surface, the size and the shape of the finite-element mesh near the ring wall, and the double- vs. single-ring setup. The analysis suggests that the depth of the ring insertion influences the infiltration rate significantly. The simulated infiltration rates also exhibit high sensitivity to the shape of the finite-element mesh near the ring wall. Laboratory-determined Ks often fails to characterize properly the respective field value; the Ks lab estimation requires labour intensive sampling and fixing procedures, difficult to follow in highly structured soils. Thus simple single- or double-ring ponded infiltration experiments are frequently performed in situ. Several important factors, affecting the infiltration rate during infiltration experiments, are analyzed using 3D axisymmetric finite-element model. The examined factors include: the diameter of the infiltration ring, the depth of water in the ring, the depth of the ring insertion under the soil surface, the size and the shape of the finite-element mesh near the ring wall, and the double- vs. single-ring setup. The analysis suggests that the depth of the ring insertion influences the infiltration rate significantly. The simulated infiltration rates also exhibit high sensitivity to the shape of the finite-element mesh near the ring wall. (en)
Title	Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions (en)
skos:prefLabel	Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions (en)
skos:notation	RIV/68407700:21110/09:00160721!RIV10-MZP-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA526/08/1016), P(SP/2E7/229/07)
http://linked.open...iv/cisloPeriodika	Spec. 2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Dohnal, Michal Dušek, Jaromír Vogel, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	330192
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/09:00160721
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	infiltration; single-ring infiltrometer; saturated hydraulic conductivity; depth of insertion; ponding depth; soil hydraulic properties; three-dimensional axisymmetric flow (en)
http://linked.open.../riv/klicoveSlovo	ponding depth three-dimensional axisymmetric flow saturated hydraulic conductivity soil hydraulic properties infiltration single-ring infiltrometer - field measurements - pressure infiltration - infiltration capacity - infiltration rate - cumulative infiltration depth of insertion
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[6D842793D6F6]
http://linked.open...i/riv/nazevZdroje	Soil and Water Research
http://linked.open...in/vavai/riv/obor	DA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Anthropogenic pressures on the status of soils, water resources and water ecosystems in the Czech part of the international basin of the Elbe River Identification of hydro-physical properties causing gravity driven flow in unsaturated porous media
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Dohnal, Michal Dušek, Jaromír Vogel, Tomáš
issn	1801-5395
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	21110

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