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@TECHREPORT{Adiga:847912,
      author       = {Adiga, B. B. and Zeuner, G.},
      title        = {{O}n the operating experience of the {D}oppler {S}odar
                      system at the {F}orschungszentrum {J}ülich},
      volume       = {2355},
      number       = {Juel-2355},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2018-03234, Juel-2355},
      series       = {Berichte des Forschungszentrums Jülich},
      pages        = {31 p.},
      year         = {1990},
      abstract     = {Meteorological measurement programs at nuclear
                      installations arc necessary to cope-up with an unlikely
                      event of- radioactive effluent release. Apart from the point
                      of view of the emergency preparedness, at a nuclear
                      facility, continuous meteorological measurements are needed
                      to assess the impact of radioactive releases during normal
                      operation. More realistic dispersion estimation models
                      require meteorological inputs pertaining to the boundary
                      layer which can not he completely fulfilled by a
                      meteorological tower alone as the boundary layer height may
                      extend up to 1000m. Also these models, when dealing with
                      complex terrains, accommodate spatial variability in
                      meteorological conditions (10). The Sound Detection And
                      Ranging technique known as the SODAR technique to measure
                      vertical temperature structure in the lower atmosphere
                      became popular since around 1970. With the advancements in
                      the fields of electronics and computers, the Sodar technique
                      got developed and monostatic Doppler Sodars were built by
                      many research and commercial organizations. Around the year
                      1985 many commercial establishments were offering Doppler
                      Sodars to measure three dimensional wind components up to a
                      height of about I000m. At the end of 1986 a REMTECH
                      monostatic Doppler Sodar system was procured by the KFA and
                      since then it has been in operation in the KFA environment.
                      The system was extensively used at the foot of the hill
                      'Sophienhoehe' in connection with series of tracer
                      dispersion experiments conducted at the hill site. At other
                      times the system was operated in the KFA premises where a
                      I20m high meteorological tower is in operation. Results of
                      many specially performed tests (1,2,3,4,6,7,8,11,12) to
                      study the usefulness and reliability of Doppler Sodars
                      indicate that these are superior in many respects to several
                      conventional measuring techniques though the Sodars are not
                      yet accepted to be as basic as the conventional instruments.
                      In this report the description and the operating principles
                      of the Doppler Sodar at the KFA are briefly described and
                      outputs from the routine operation of the Sodar are compared
                      with the concurrently measured data on the 120m high KFA
                      meteorological tower. Three sets of data, varying from
                      periods of ten clays to 18 days, are used for the
                      comparison.},
      cin          = {PRE-2000},
      cid          = {I:(DE-Juel1)PRE2000-20140101},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29},
      url          = {https://juser.fz-juelich.de/record/847912},
}