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@ARTICLE{Kunkel:59832,
      author       = {Kunkel, R. and Wendland, F. and Hannappel, S. and Voigt, H.
                      J. and Wolter, R.},
      title        = {{T}he influence of diffuse pollution on groundwater content
                      patterns for the groundwater bodies of {G}ermany},
      journal      = {Water science and technology},
      volume       = {55},
      issn         = {0273-1223},
      address      = {London},
      publisher    = {IWA Publishing},
      reportid     = {PreJuSER-59832},
      pages        = {97 - 105},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Commissioned by Germany's Working Group of the Federal
                      States on Water Problems (LAWA) the authors developed a
                      procedure to define natural groundwater conditions from
                      groundwater monitoring data. The distribution pattern of a
                      specific groundwater parameter observed by a number of
                      groundwater monitoring stations within a petrographically
                      comparable groundwater typology is reproduced by two
                      statistical distribution functions, representing the
                      "natural" and "influenced" component. The range of natural
                      groundwater concentrations is characterized by confidence
                      intervals of the distribution function of the natural
                      component. The applicability of the approach was established
                      for 17 hydrochemical different groundwater typologies
                      occurring throughout Germany. Based on groundwater
                      monitoring data from ca. 26,000 groundwater-monitoring
                      stations, 40 different hydrochemical parameters were
                      evaluated for each groundwater typology. For all
                      investigated parameters the range of natural groundwater
                      concentrations has been identified. According to the
                      requirements of the EC Water Framework Directive (article
                      17) (WFD) this study is a basis for the German position to
                      propose criteria for assessing a reference state for a "good
                      groundwater chemical status".},
      keywords     = {J (WoSType)},
      cin          = {ICG-4},
      ddc          = {690},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Environmental / Environmental Sciences / Water
                      Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000245786100014},
      doi          = {10.2166/wst.2007.077},
      url          = {https://juser.fz-juelich.de/record/59832},
}