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@ARTICLE{Javaux:52082,
      author       = {Javaux, M. and Vanclooster, M.},
      title        = {{T}hree-dimensional structure characterisation and
                      transient flow modelling of a variably saturated
                      heterogeneous monolith},
      journal      = {Journal of hydrology},
      volume       = {327},
      issn         = {0022-1694},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-52082},
      pages        = {516 - 524},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In this study, we investigate the possibility of modelling
                      the transient hydraulic behaviour of an undisturbed
                      monolithic subsoil sample of 0.5 m(3), based on a detailed
                      characterisation of the soil structure. At the larger scale,
                      the subsoil core structure is defined by the presence of
                      discontinuous clay and a stone layer within a large sandy
                      matrix. A second structural level is characterised by the
                      spatial distribution of hydraulic properties in the sandy
                      matrix, and described using the Vogel-similarity concept
                      [Vogel, T., Cislerova, M., Hopmans, J.W. 1991. Porous media
                      with linearly variable hydraulic properties. Water Resources
                      Research 27, 2735-2741]. This exhaustive structural
                      information is subsequently implemented into a 3-D transient
                      and variably saturated flow model. Simulation results are
                      compared with experimental observations and it is showed
                      that the presence of a discontinuous clay and stone layer is
                      sensitive in predicting effective outflow. Given the fact
                      that no calibration is performed, we consider that the
                      outflow predictions are good. The results are however
                      disappointing for the prediction of time series of pressure
                      head. Moreover, the local scale Kat had to be scaled based
                      on structural and hydraulic monolith-scale observations.
                      This study points out that: (i) it would be necessary to
                      characterise the continuity of flow, and related parameters
                      such as the hydraulic conductivity at the appropriate scale,
                      to adequately simulate variable saturated transient flow at
                      that scale and (ii) a smaller spacing in the sub-sampling
                      would be needed to property predict local scale time series.
                      (c) 2006 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {ICG-IV},
      ddc          = {690},
      cid          = {I:(DE-Juel1)VDB50},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Civil / Geosciences, Multidisciplinary / Water
                      Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000239870900019},
      doi          = {10.1016/j.jhydrol.2005.11.064},
      url          = {https://juser.fz-juelich.de/record/52082},
}