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Description
  • V článku se zabýváme předpovídáním počasí, speciálně stanovením závislosti toku na známých velikostech srážek. V první části uvádíme několik přístupů vyjádření toku zahrnující tok v podzemí, povrchové proudění i tok v kanálových systémech. Diskutujeme možnosti zjednodušení rovnic mělkých vod pro pomalé proudění na potenciální tok nebo procesy advekce disperze. V druhé části prezentujeme výsledky ze dvou modelových příkladů toku po povrchu v krajině. Uvažujeme jak advekačně-disperzní reprezentaci, tak i smíšenou hybridní aproximaci pomocí MKP založené na potenciálním toku. (cs)
  • In the paper, we deal with the flood forecasting, in particular with determining the water flow as result of known precipitation. In the first part, we present several approaches how to express the water flow in the environment concluding underground flow, surface flow and channel flow in the ricer system (water runoff and flood routing). We discuss possibilities to simplify the shallow-water equations for slowly varying flow to either potential flow or advection-dispersion process. On the second part, we present results of two example models of 2D surface flow in the landscape, first based on the advection-dispersion representation of surface flow and the second mixed-hybrid FEM model based on potential flow approximation.
  • In the paper, we deal with the flood forecasting, in particular with determining the water flow as result of known precipitation. In the first part, we present several approaches how to express the water flow in the environment concluding underground flow, surface flow and channel flow in the ricer system (water runoff and flood routing). We discuss possibilities to simplify the shallow-water equations for slowly varying flow to either potential flow or advection-dispersion process. On the second part, we present results of two example models of 2D surface flow in the landscape, first based on the advection-dispersion representation of surface flow and the second mixed-hybrid FEM model based on potential flow approximation. (en)
Title
  • Problems and Modelling in Forecasting of Floods
  • Problems and Modelling in Forecasting of Floods (en)
  • Problémy a modely v předpovídání záplav (cs)
skos:prefLabel
  • Problems and Modelling in Forecasting of Floods
  • Problems and Modelling in Forecasting of Floods (en)
  • Problémy a modely v předpovídání záplav (cs)
skos:notation
  • RIV/67985807:_____/03:00105230!RIV/2005/AV0/A06005/N
http://linked.open.../vavai/riv/strany
  • 37;46
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z1030915), Z(MSM 242200001)
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
  • 623417
http://linked.open...ai/riv/idVysledku
  • RIV/67985807:_____/03:00105230
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • finite element method; Darcy law; underground flow; flood forecasting (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [2FF75DED8165]
http://linked.open...v/mistoKonaniAkce
  • Liberec
http://linked.open...i/riv/mistoVydani
  • Technická univerzita
http://linked.open...i/riv/nazevZdroje
  • Simulation, Modelling, and Numerical Analysis
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hokr, Milan
  • Maryška, Jiří
  • Šotner, O.
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
  • Liberec
https://schema.org/isbn
  • 80-7083-774-8
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