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Stochastic modelling of tracer transport in three dimensions

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  • معلومة اضافية
    • Contributors:
      Littoral, Environnement, Télédétection, Géomatique UMR 6554 (LETG); Université de Caen Normandie (UNICAEN); Normandie Université (NU)-Normandie Université (NU)-Université d'Angers (UA)-École Pratique des Hautes Études (EPHE); Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Brest (UBO)-Université de Rennes 2 (UR2)-Centre National de la Recherche Scientifique (CNRS)-Institut de Géographie et d'Aménagement Régional de l'Université de Nantes (IGARUN); Université de Nantes (UN)-Université de Nantes (UN); Centre National de Recherche sur les Sites et Sols Pollués (CNRSSP); Centre National de Recherche sur les Sites et Sols Pollués; Centre de Géosciences (GEOSCIENCES); Mines Paris - PSL (École nationale supérieure des mines de Paris); Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL); Dassargues, A
    • بيانات النشر:
      HAL CCSD
      INT ASSOC HYDROLOGICAL SCIENCES
    • الموضوع:
      2000
    • Collection:
      MINES ParisTech: Archive ouverte / Open Archive (HAL)
    • الموضوع:
      INST OF HYDROLOGY; WALLINGFORD OX10 8BB; ENGLAND; Belgium
    • نبذة مختصرة :
      International Conference on Tracers and Modelling in Hydrogeology (TraM 2000), LIEGE, BELGIUM, MAY, 2000 ; International audience ; Modelling of solute transport remains a key issue in the area of groundwater contamination. The fundamental processes of solute transport are advection and dispersion and an accurate description is needed for all common approach (advection-dispersion equation) considers an average advective flow rate and a Fickian-like dispersion. Consequently, advection is independent of dispersion. Here we propose a more accurate approach: advection is a function of the dispersive behaviour of the solute and of the characteristics of the medium. This method provides useful insight of the dispersion process in general. The aim of this article is to present the mathematical background of the random walk model and a simple numerical application.
    • Relation:
      hal-00735533; https://hal.science/hal-00735533; https://hal.science/hal-00735533/document; https://hal.science/hal-00735533/file/iahs2.pdf
    • الدخول الالكتروني :
      https://hal.science/hal-00735533
      https://hal.science/hal-00735533/document
      https://hal.science/hal-00735533/file/iahs2.pdf
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.257EB498