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@ARTICLE{Wolters:30355,
      author       = {Wolters, A. and Linnemann, V. and Herbst, M. and Klein, M.
                      and Schäffer, A. and Vereecken, H.},
      title        = {{P}esticide {V}olatilization from {S}oil: {F}ield-like
                      {M}easurements vs. {P}redictions of {E}uropean
                      {R}egistration {M}odels},
      journal      = {Journal of environmental quality},
      volume       = {32},
      issn         = {0047-2425},
      address      = {Madison, Wis.},
      publisher    = {ASA [u.a.]},
      reportid     = {PreJuSER-30355},
      pages        = {1183 - 1193},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A comparison was drawn between model predictions and
                      experimentally determined volatilization rates to evaluate
                      the volatilization approaches of European registration
                      models. Volatilization rates of pesticides (C-14-labeled
                      parathion-methyl, fenpropimorph, and terbuthylazine and
                      nonlabeled chlorpyrifos) were determined in a wind-tunnel
                      experiment after simultaneous soil surface application on
                      Gleyic Cambisol. Both continuous air sampling, which
                      quantifies volatile losses of C-14-organic compounds and
                      (CO2)-C-14 separately, and the detection of soil residues
                      allow for a mass balance of radioactivity of the
                      C-14-labeled pesticides. Recoveries were found to be $>94\%$
                      of the applied radioactivity. The following descending order
                      of cumulative volatilization was observed: chlorpyrifos >
                      parathion-methyl > terbuthylazine > fenpropimorph. Due to
                      its high air-water partitioning coefficient, nonlabeled
                      chlorpyrifos was found to have the highest cumulative
                      volatilization $(44.4\%)$ over the course of the experiment.
                      Volatilization flux rates were measured up to 993 mug m(-2)
                      h(-1) during the first hours after application.
                      Parameterization of the Pesticide Emission Assessment at
                      Regional and Local Scales (PEARL) model and the Pesticide
                      Leaching Model (PELMO) was performed to mirror the
                      experimental boundary conditions. In general, model
                      predictions deviated markedly from measured volatilization
                      rates and showed limitations of current volatilization
                      models, such as the uppermost compartment thickness, making
                      an enormous influence on predicted volatilization losses.
                      Experimental findings revealed soil moisture to be an
                      important factor influencing volatilization from soil, yet
                      its influence was not reflected by the model calculations.
                      Future versions of PEARL and PELMO ought to include improved
                      descriptions of aerodynamic resistances and soil moisture
                      dependent soil-air partitioning coefficients.},
      keywords     = {J (WoSType)},
      cin          = {ICG-IV},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)VDB50},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000184099800002},
      url          = {https://juser.fz-juelich.de/record/30355},
}