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@ARTICLE{Rothfuss:22331,
      author       = {Rothfuss, Y. and Braud, I. and Le Moine, N. and Biron, P.
                      and Durand, J.L. and Vauclin, M. and Bariac, T.},
      title        = {{F}actors controlling the isotopic partitioning between
                      soil evaporation and plant transpiration: {A}ssessment using
                      a multi-objective calibration of {S}i{SPAT}-{I}sotope under
                      controlled conditions},
      journal      = {Journal of hydrology},
      volume       = {442-443},
      issn         = {0022-1694},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-22331},
      pages        = {75 - 88},
      year         = {2012},
      note         = {We thank the PNRH Thematic Action of the French ECCO
                      (ECosphere COntinentale) program for providing part of the
                      financial support of the study. We thank Ludovic Oudin (UMR
                      Sisyphe) for his helpful commentaries all along the writing
                      of the manuscript.},
      abstract     = {Stable isotopes of water (O-18 and H-2) are tracers of
                      ecosystem processes and in particular of water vapour
                      sources. They have been substantially used for
                      evapotranspiration (ET) studies. Data gathered during a
                      series of soil monoliths experiments under fully controlled
                      conditions allowed the partitioning of ET fluxes into soil
                      evaporation (Ev) and plant transpiration (Tr) from isotopic
                      measurements along growth of a tall fescue cover. These data
                      were used to calibrate SiSPAT-Isotope, a 1D
                      Soil-Vegetation-Atmosphere Transfer (SVAT) model coupled
                      with a module for isotopic transport in the soil and the
                      atmosphere. For this, the soil isotopic module was extended
                      to take into account plant water uptake by roots and the
                      model was modified so that it could be constrained with
                      collected input data (e.g. ET flux). The multi-objective
                      calibration method allowed determining narrowed probability
                      distributions for soil, plant and isotopic parameters of
                      which some are currently debated and/or typically not
                      measured in the field (e.g. kinetic fractionation factor
                      during soil evaporation). Comparisons between simulation
                      results corresponding to the "best compromise" parameter set
                      with data (i.e. soil water pressure and contents, soil
                      temperatures and heat fluxes, soil isotopic compositions,
                      and root extraction depths) were provided to show the
                      consistency of the calibration method. Guidelines were
                      provided for the determination of the isotopic composition
                      of evaporation in the field: we could emphasize the
                      importance of values used for the kinetic fractionation
                      factor and the impact of the heights at which atmospheric
                      variables (air relative humidity and temperature, isotopic
                      composition of atmospheric water vapour) are measured in the
                      field. (C) 2012 Elsevier B.V. All rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Civil / Geosciences, Multidisciplinary / Water
                      Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000305200700008},
      doi          = {10.1016/j.jhydrol.2012.03.041},
      url          = {https://juser.fz-juelich.de/record/22331},
}