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@ARTICLE{Weber:56632,
      author       = {Weber, S. and Graf, A. and Heusinkveld, B. G.},
      title        = {{A}ccuracy of soil heat flux plate measurements in coarse
                      substrates - {F}ield measurements versus a laboratory test},
      journal      = {Theoretical and applied climatology},
      volume       = {89},
      issn         = {1434-4483},
      address      = {Wien [u.a.]},
      publisher    = {Springer},
      reportid     = {PreJuSER-56632},
      pages        = {109 - 114},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The in-situ performance of heat flux plates within coarse
                      porous substrates might be limited due to poor contact
                      between plate and substrate. We tested this behaviour with a
                      simple laboratory set-up. Two test substrates were placed
                      above a reference material of known thermal conductivity
                      between a warm and a cold plate to establish a vertical heat
                      flux. The temperature gradients and the response of a soil
                      heat flux plate were measured. By means of the Fourier law
                      of heat conduction the thermal conductivity of each test
                      substrate was calculated, thus incorporating all heat
                      transfer within the volume and representing the "effective"
                      conductivity. The laboratory method had an accuracy of up to
                      $7\%$ $(13\%$ for a smaller set-up). In comparison, heat
                      flux plate-derived heat fluxes showed errors of up to
                      $26\%.$ Use of heat flux plates in coarse substrates is not
                      recommended without additional measurements.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000246845100010},
      doi          = {10.1007/s00704-006-0256-2},
      url          = {https://juser.fz-juelich.de/record/56632},
}