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@ARTICLE{Javaux:41656,
      author       = {Javaux, M. and Vanclooster, M.},
      title        = {{I}n {S}itu {L}ong-{T}erm {C}hloride {T}ransport through a
                      {L}ayered, {N}onsaturated {S}ubsoil . 1 . {D}ata {S}et,
                      {I}nterpolation {M}ethodology, and {R}esults},
      journal      = {Vadose zone journal},
      volume       = {3},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {PreJuSER-41656},
      pages        = {1322 - 1330},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A long-term data set of Cl- concentrations in an
                      artificial, leaking lake and in the underlying vadose zone
                      was used to assess in situ vertical transport through a
                      tertiary sandy deposit. Since the temporal resolution of the
                      observed Cl- concentrations in the lake was relatively a
                      method was implemented to assess uncertainty on process
                      identification as caused by a poor definition of the
                      boundary condition. For this purpose we performed continuous
                      stochastic simulations of Cl- concentrations in the lake
                      conditioned to the discretely measured Cl- concentrations.
                      This allows one to generate an ensemble of equiprobable time
                      series of top boundary conditions. Each time series was
                      subsequently used in an inverse convective - dispersive (
                      CD) transport model based on the transfer function concept
                      to identify the apparent transport properties of the
                      unsaturated natural porous medium. For each simulation, one
                      optimal parameter set in the least-square sense is then
                      obtained, and the variance of the optimized parameters
                      reflects the uncertainty due to the poor sampling frequency
                      of Cl- in the For the case study presented, we show that the
                      variance component due to poor sampling of the top boundary
                      condition is small for the transport velocities. This
                      component increases with the hydrodynamic dispersivity.
                      However, for this latter parameter, the sampling variance
                      component was still small compared with the total
                      variability between dispersivity at different depths.
                      Physical interpretation of variability and scale dependency
                      of this latter parameter is studied in more detail in an
                      accompanying paper.},
      keywords     = {J (WoSType)},
      cin          = {ICG-IV},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB50},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Environmental Sciences / Soil Science / Water Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000227469200027},
      url          = {https://juser.fz-juelich.de/record/41656},
}