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@ARTICLE{Herbst:45751,
      author       = {Herbst, M. and Fialkiewicz, W. and Chen, T. and Pütz, T.
                      and Thiéry, D. and Mouvet, C. and Vachaud, B. C. E. and
                      Vereecken, H.},
      title        = {{I}ntercomparison of {F}low and {T}ransport {M}odels
                      {A}pplied to {V}ertical {D}rainage in {C}ropped
                      {L}ysimeters},
      journal      = {Vadose zone journal},
      volume       = {4},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {PreJuSER-45751},
      pages        = {240 - 254},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Models predicting flow and transport in the vadose zone
                      differ in their conceptual approach, their complexity, and
                      their mathematical formulation. Four models ( MARTHE, TRACE,
                      ANSWERS, and MACRO), which differ significantly in their
                      model concepts and complexity, were applied to a common data
                      set to evaluate and compare the different model approaches.
                      Five free-draining lysimeters, cropped with winter wheat,
                      barley, and oat were used to monitor actual
                      evapotranspiration soil moisture, and drainage for 627 d.
                      One of the five lysimeters was also treated with
                      methabenzthiazuron (MBT), and soil residues as well as
                      leaching were experimentally determined. In Europe, MBT has
                      been commonly used as a herbicide for almost 30 years.
                      Generally, the use of given model inputs is recommended,
                      apart from plant parameters, which need calibration. The use
                      of validation criteria revealed proper simulation of water
                      flow for the four models. After calibration, the Richards'
                      equation - based models MARTHE, TRACE, and MACRO performed
                      better for water flow predictions than the capacity-based
                      ANSWERS. A small amount of preferential flow, which is not
                      included in the model structures of MARTHE, TRACE, and
                      ANSWERS, did not influence the simulation of water flow
                      significantly. But preferential flow was associated with the
                      leaching of $0.0059\%$ of the mass of MBT, causing relevant
                      concentrations in the leachate. Leaching could be described
                      well with MACRO after calibration. The difficulty of
                      estimating parameters for modeling macropore transport is
                      seen as an obstacle to common application.},
      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:000228691400002},
      doi          = {10.2136/vzj2004.0070},
      url          = {https://juser.fz-juelich.de/record/45751},
}