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@ARTICLE{Dimitrov:276306,
      author       = {Dimitrov, M. and Vanderborght, J. and Kostov, K. G. and
                      Debecker, B. and Schulze Lammers, P. and Damerow, L. and
                      Vereecken, H.},
      title        = {{S}oil {H}ydraulic {P}arameters of {B}are {S}oil {P}lots
                      with {D}ifferent {S}oil {S}tructure {I}nversely {D}erived
                      from {L}-{B}and {B}rightness {T}emperatures},
      journal      = {Vadose zone journal},
      volume       = {14},
      number       = {8},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {FZJ-2015-06767},
      year         = {2015},
      abstract     = {The soil structure and the hydraulic properties of the top
                      soil layer control water exchanges between the soil and the
                      atmosphere. We used L-band radiometry to infer the hydraulic
                      properties of the top layer of three field plots with
                      different soil structure.The structure of the surface layer
                      of the soil is strongly influenced by soil tillage
                      practices, with important consequences for the hydraulic
                      properties and soil moisture dynamics in the top soil layer.
                      In this study, during four 28-d periods, we monitored L-band
                      brightness temperatures and infrared (IR) temperatures over
                      bare silt loam soil plots with different soil surface
                      structure: tilled, seedbed, and compacted plots. Differences
                      in absolute and normalized L-band brightness temperatures
                      between the plots indicated that plot specific roughness,
                      soil moisture contents, and soil hydraulic properties might
                      be inverted from L-band brightness temperatures using a
                      coupled radiative transfer, roughness correction, and soil
                      hydrological model. The inversely estimated surface
                      roughness parameters compared well with those derived from
                      laser profiler measurements. The estimated saturated water
                      contents of the tilled and seedbed plots were larger than
                      the one of the compacted plot, and the unsaturated hydraulic
                      conductivity was smaller in the former plots than in the
                      compacted plot for more negative pressure heads. These
                      differences in hydraulic properties translated into larger
                      dynamics of the simulated soil moisture during a 28-d
                      measurement period in the tilled and seedbed plots than in
                      the compacted plot. This difference could be confirmed
                      qualitatively but not quantitatively by in situ soil
                      moisture measurements. Furthermore, differences in simulated
                      actual evaporation rates between the plots were confirmed by
                      observed differences in measured IR temperatures. The
                      results indicate that effects of soil management on soil
                      surface roughness and soil hydraulic properties could be
                      inferred from L-band brightness temperatures.},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000362065400002},
      doi          = {10.2136/vzj2014.09.0133},
      url          = {https://juser.fz-juelich.de/record/276306},
}