About: Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.scielo.br/scielo.php?pid=S0100-06832011000400016&script=sci_arttext
Description	A method for determining soil hydraulic properties of a weathered tropical soil (Oxisol) using a medium-sized column with undisturbed soil is presented. The method was used to determine fitting parameters of the water retention curve and hydraulic conductivity functions of a soil column in support of a pesticide leaching study. Column was examined by computed tomography. The experiment was based on tension infiltration into the soil column with free outflow at the lower end. Water flow through the soil core was mathematically modeled using a computer code that solves the one-dimensional Richards equation. The inverse modeling produced very good agreement between model outputs and measured flux and pressure head data for the relatively homogeneous column. The moisture content at a given pressure from the retention curve measured directly in small soil samples was lower than that obtained through parameter optimization based on experiments using a medium-sized undisturbed soil column. A method for determining soil hydraulic properties of a weathered tropical soil (Oxisol) using a medium-sized column with undisturbed soil is presented. The method was used to determine fitting parameters of the water retention curve and hydraulic conductivity functions of a soil column in support of a pesticide leaching study. Column was examined by computed tomography. The experiment was based on tension infiltration into the soil column with free outflow at the lower end. Water flow through the soil core was mathematically modeled using a computer code that solves the one-dimensional Richards equation. The inverse modeling produced very good agreement between model outputs and measured flux and pressure head data for the relatively homogeneous column. The moisture content at a given pressure from the retention curve measured directly in small soil samples was lower than that obtained through parameter optimization based on experiments using a medium-sized undisturbed soil column. (en)
Title	Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling (en)
skos:prefLabel	Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling (en)
skos:notation	RIV/68407700:21110/11:00184046!RIV12-MSM-21110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA103/08/1552), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Sobotková, Martina Sněhota, Michal Dohnal, Michal
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	193834
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/11:00184046
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	DISC INFILTROMETER; HETEROGENEOUS SOIL; ENTRAPPED AIR; STEADY-STATE; CONDUCTIVITY; INFILTRATION; FLOW; TOMOGRAPHY; TRANSPORT; EQUATION (en)
http://linked.open.../riv/klicoveSlovo	CONDUCTIVITY DISC INFILTROMETER ENTRAPPED AIR EQUATION FLOW HETEROGENEOUS SOIL INFILTRATION STEADY-STATE TOMOGRAPHY TRANSPORT
http://linked.open...odStatuVydavatele	BR - Brazilská federativní republika
http://linked.open...ontrolniKodProRIV	[55FC3AF54841]
http://linked.open...i/riv/nazevZdroje	Revista Brasileira de Ciência do Solo
http://linked.open...in/vavai/riv/obor	DA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Water flow and solute transport in porous media with the presence of discontinuous gas phase
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	35
http://linked.open...iv/tvurceVysledku	Sněhota, Michal Sobotková, Martina Dohnal, Michal Ray, C.
http://linked.open...ain/vavai/riv/wos	000295854500016
issn	0100-0683
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	21110
is http://linked.open...avai/riv/vysledek of	Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling Determination of hydraulic properties of a tropical soil of hawaii using column experiments and inverse modeling

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