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  • Prediction of water flow in porous systems relies on appropriate description of unsaturated hydraulic properties. Hydraulic functions of soils are varying in both time and space. This contribution aims at quantifying the spatio-temporal variability of soil hydraulic characteristics at highly heterogeneous headwater watershed. Pressure head data recorded by tensiometers within few consecutive years were used. Water regime in the soil profile was simulated with code based on Richards' equation. To simplify the description of spatial variability of hydraulic properties, the concept of linear variability of porous medium is used. Inverse modeling was performed in order to minimize discrepancies between the model response and measured pressure heads. The scaling factors were used to upscale the reference parameters by means of inverse modeling. From the numerical experiments, it follows that the spatial variability of the hydraulic characteristics prevails over temporal variations.
  • Prediction of water flow in porous systems relies on appropriate description of unsaturated hydraulic properties. Hydraulic functions of soils are varying in both time and space. This contribution aims at quantifying the spatio-temporal variability of soil hydraulic characteristics at highly heterogeneous headwater watershed. Pressure head data recorded by tensiometers within few consecutive years were used. Water regime in the soil profile was simulated with code based on Richards' equation. To simplify the description of spatial variability of hydraulic properties, the concept of linear variability of porous medium is used. Inverse modeling was performed in order to minimize discrepancies between the model response and measured pressure heads. The scaling factors were used to upscale the reference parameters by means of inverse modeling. From the numerical experiments, it follows that the spatial variability of the hydraulic characteristics prevails over temporal variations. (en)
  • Určování půdních hydraulických charakteristik v pramenných oblastech (cs)
Title
  • Estimation of the Soil Hydraulic Properties in Headwater Territory
  • Estimation of the Soil Hydraulic Properties in Headwater Territory (en)
  • Určování půdních hydraulických charakteristik v pramenných oblastech (cs)
skos:prefLabel
  • Estimation of the Soil Hydraulic Properties in Headwater Territory
  • Estimation of the Soil Hydraulic Properties in Headwater Territory (en)
  • Určování půdních hydraulických charakteristik v pramenných oblastech (cs)
skos:notation
  • RIV/68407700:21110/05:01116856!RIV08-MSM-21110___
http://linked.open.../vavai/riv/strany
  • 930;931
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770002)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 520576
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/05:01116856
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • scaling; variability (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [9BE7D4215583]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • Proceedings of Workshop 2005
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Šanda, Martin
  • Dohnal, Michal
  • Dušek, Jaromír
  • Vogel, Tomáš
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • České vysoké učení technické v Praze
https://schema.org/isbn
  • 80-01-03201-9
http://localhost/t...ganizacniJednotka
  • 21110
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