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@ARTICLE{Schrder:5528,
      author       = {Schröder, T. and Javaux, M. and Vanderborght, J. and
                      Körfgen, B. and Vereecken, H.},
      title        = {{I}mplementation of a {M}icroscopic {S}oil–{R}oot
                      {H}ydraulic {C}onductivity {D}rop {F}unction in a
                      {T}hree-{D}imensional {S}oil–{R}oot {A}rchitecture {W}ater
                      {T}ransfer {M}odel},
      journal      = {Vadose zone journal},
      volume       = {8},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {PreJuSER-5528},
      pages        = {783 - 792},
      year         = {2009},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {To understand how water uptake locally affects and is
                      affected by the soil water distribution, three-dimensional
                      soil models need to be developed. Nowadays, fully coupled
                      three-dimensional soil-root flow models at the plant
                      available that simulate water flow along water potential
                      gradients in the soil-root continuum, but the arise by the
                      coupling of soil and root have not been investigated
                      thoroughly. In a previous work, we introduced validated a
                      microscopic model to be used on a coarse numerical soil
                      grid, describing the hydraulic drop between the bulk soil
                      and the soil-root interface within a voxel of a
                      three-dimensional soil-root model. study, the impact of the
                      local hydraulic conductivity drop on denser root
                      architectures and in drier soil regions When a coarse
                      discretization of the soil grid is used, the local hydraulic
                      conductivity drop has a significant effect on the water
                      potential distribution at the soil-root interface and in the
                      xylem, especially under conditions stress where the local
                      soil conductivity is lower than the radial root conductivity
                      regulating root water uptake. consequence, plant stress
                      conditions will be reached earlier than if the local
                      conductivity drop within a soil voxel In comparison with a
                      fine soil discretization, the soil water potential gradient
                      calculated by including the conductivity drop at a coarser
                      discretization does not fit the soil water potential
                      gradient resulting from the fine discretization. Estimation
                      of accurate water potential gradients throughout the soil
                      requires a fine soil discretization.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4 / JSC},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB793 / I:(DE-Juel1)JSC-20090406},
      pnm          = {Terrestrische Umwelt / Scientific Computing},
      pid          = {G:(DE-Juel1)FUEK407 / G:(DE-Juel1)FUEK411},
      shelfmark    = {Environmental Sciences / Soil Science / Water Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000268871900025},
      doi          = {10.2136/vzj2008.0116},
      url          = {https://juser.fz-juelich.de/record/5528},
}