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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F05%3A01116866%21RIV06-GA0-21110___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
Agricultural lands in foothill zones on acid crystalline rocks can be an important source of diffused nitrate pollution affecting the quality of both subsurface and surface waters. Field experiment established to optimise the drip irrigation of potatoes was set up in the highland region. The soil is a deep loamy Planosol. It has capacity to swell and shrink and contains macropores. An attempt is made to explain the major part of the measured spatial variability of soil water pressure by means of dual permeability modelling. S1D DUAL model was used to simulate seasonal soil water suction variations. Inverse modelling was applied in order to minimize the discrepancies between the model responses and observed pressure heads. Levenberg-Marquardt algorithm, was used as a parameter estimator. It is concluded that the measurements of soil water pressure provide valuable information about the physical nature of water flow, and can help us to quantify parameters of dual permeability models. Agricultural lands in foothill zones on acid crystalline rocks can be an important source of diffused nitrate pollution affecting the quality of both subsurface and surface waters. Field experiment established to optimise the drip irrigation of potatoes was set up in the highland region. The soil is a deep loamy Planosol. It has capacity to swell and shrink and contains macropores. An attempt is made to explain the major part of the measured spatial variability of soil water pressure by means of dual permeability modelling. S1D DUAL model was used to simulate seasonal soil water suction variations. Inverse modelling was applied in order to minimize the discrepancies between the model responses and observed pressure heads. Levenberg-Marquardt algorithm, was used as a parameter estimator. It is concluded that the measurements of soil water pressure provide valuable information about the physical nature of water flow, and can help us to quantify parameters of dual permeability models. Inverzní modelování dynamiky půdní vody v heterogenní půdě s makropóry
dcterms:title
Inverzní modelování dynamiky půdní vody v heterogenní půdě s makropóry Inverse Modelling of Soil Water Dynamics in Heterogeneous Soil with Macropores Inverse Modelling of Soil Water Dynamics in Heterogeneous Soil with Macropores
skos:prefLabel
Inverzní modelování dynamiky půdní vody v heterogenní půdě s makropóry Inverse Modelling of Soil Water Dynamics in Heterogeneous Soil with Macropores Inverse Modelling of Soil Water Dynamics in Heterogeneous Soil with Macropores
skos:notation
RIV/68407700:21110/05:01116866!RIV06-GA0-21110___
n4:aktivita
n12:P
n4:aktivity
P(GA103/04/0663)
n4:dodaniDat
n10:2006
n4:domaciTvurceVysledku
n8:2289016 n8:1272888 n8:5902320 n8:5672775
n4:druhVysledku
n17:A
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
525578
n4:idVysledku
RIV/68407700:21110/05:01116866
n4:jazykVysledku
n16:eng
n4:klicovaSlova
dual-permeability model; inverse modelling
n4:klicoveSlovo
n11:dual-permeability%20model n11:inverse%20modelling
n4:kodPristupu
n5:L
n4:kontrolniKodProRIV
[77D12EC3D597]
n4:mistoVydani
Katlenburg-Lindau
n4:nosic
neuvedeno
n4:obor
n15:DA
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
5
n4:projekt
n18:GA103%2F04%2F0663
n4:rokUplatneniVysledku
n10:2005
n4:tvurceVysledku
Doležal, František Císlerová, Milena Dušek, Jaromír Dohnal, Michal Vogel, Tomáš
n9:organizacniJednotka
21110