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@ARTICLE{Herbst:32823,
      author       = {Herbst, M. and Diekkrüger, B.},
      title        = {{M}odelling the spatial variability of soil moisture in a
                      micro-scale catchment and comparison with field data using
                      geostatistics},
      journal      = {Physics and chemistry of the earth},
      volume       = {28},
      issn         = {0079-1946},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-32823},
      pages        = {239 - 245},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The temporal and spatial variability of soil moisture in
                      the micro-scale Berrensiefen catchment is simulated with
                      $SWMS_3D$ (three-dimensional variably saturated flow based
                      on finite elements) and a loosely coupled model for the
                      atmospheric boundary conditions. An additional model
                      component for macropore and surface runoff and their
                      concentration time is introduced. Time step of
                      precipitation, atmospheric parameters and the simulated
                      hydrologic processes is one hour. Soil parameters are
                      discretized with a horizontal resolution of 10 m and five
                      nodal layers in the vertical direction. A high resolution
                      digital elevation model is used to reconstruct catchment
                      surface morphology.For a nearly 2-month period hydrologic
                      processes are simulated. The process model results are
                      compared with measurements and the influence of the
                      topography, the distributed soil and land use parameters on
                      the soil water fluxes is examined.The spatial structure of
                      soil moisture during a drying period is analysed using
                      geostatistics. The application of standard geostatistical
                      techniques (variogram modelling) captures the main features
                      of spatial variability of the modelled soil moisture
                      distributions. The integral scale or correlation length of
                      soil moisture is constant while the semivariance shows clear
                      correlation with soil moisture status during that period.A
                      geostatistical comparison of the modelled soil moisture
                      patterns of the whole catchment with a measured data set of
                      a single hillslope of the catchment addresses the problem of
                      differing scales of modelling and measurements. It is shown
                      that due to the different spatial scales the results of
                      point measurements of soil moisture can hardly be used to
                      validate the modelled spatial structure of soil moisture.
                      (C) 2003 Elsevier Science Ltd. All rights reserved.},
      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    = {Geosciences, Multidisciplinary / Meteorology $\&$
                      Atmospheric Sciences / Water Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000183436100003},
      doi          = {10.1016/S1474-7065(03)00033-0},
      url          = {https://juser.fz-juelich.de/record/32823},
}