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@ARTICLE{Bentz:907029,
      author       = {Bentz, Jonas and Patel, Ravi A. and Benard, Pascal and
                      Lieu, Alice and Haupenthal, Adrian and Kröner, Eva},
      title        = {{H}ow {H}eterogeneous {P}ore {S}cale {D}istributions of
                      {W}ettability {A}ffect {I}nfiltration into {P}orous {M}edia},
      journal      = {Water},
      volume       = {14},
      number       = {7},
      issn         = {2073-4441},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2022-01817},
      pages        = {1110 -},
      year         = {2022},
      abstract     = {Wettability is an important parameter that significantly
                      determines hydrology in porous media, and it especially
                      controls the flow of water across the rhizosphere—the
                      soil-plant interface. However, the influence of spatially
                      heterogeneous distributions on the soil particles surfaces
                      is scarcely known. Therefore, this study investigates the
                      influence of spatially heterogeneous wettability
                      distributions on infiltration into porous media. For this
                      purpose, we utilize a two-phase flow model based on
                      Lattice-Boltzmann to numerically simulate the infiltration
                      in porous media with a simplified geometry and for various
                      selected heterogeneous wettability coatings. Additionally,
                      we simulated the rewetting of the dry rhizosphere of a sandy
                      soil where dry hydrophobic mucilage depositions on the
                      particle surface are represented via a locally increased
                      contact angle. In particular, we can show that hydraulic
                      dynamics and water repellency are determined by the specific
                      location of wettability patterns within the pore space. When
                      present at certain locations, tiny hydrophobic depositions
                      can cause water repellency in an otherwise well-wettable
                      soil. In this case, averaged, effective contact angle
                      parameterizations such as the Cassie equation are
                      unsuitable. At critical conditions, when the rhizosphere
                      limits root water uptake, consideration of the specific
                      microscale locations of exudate depositions may improve
                      models of root water uptake.},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000781543600001},
      doi          = {10.3390/w14071110},
      url          = {https://juser.fz-juelich.de/record/907029},
}