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@ARTICLE{He:866811,
      author       = {He, Qianwen and Wendland, Frank and Molkenthin, Frank},
      title        = {{T}he analysis of nitrogen load and simulation uncertainty
                      using {SWAT} in a catchment with paddy field in {C}hina},
      journal      = {Water science and technology},
      volume       = {80},
      number       = {4},
      issn         = {1996-9732},
      address      = {London},
      publisher    = {IWA Publishing},
      reportid     = {FZJ-2019-05874},
      pages        = {806 - 816},
      year         = {2019},
      abstract     = {Excessive load of nitrogen from anthropogenic sources is a
                      threat to sustaining a healthy aquatic ecosystem. The
                      difficulty in identifying the critical source areas (CSAs)
                      of nitrogen load and apportioning the in-stream nitrogen to
                      individual sources spatially and seasonally has made the
                      Soil and Water Assessment Tool (SWAT) useful for analyzing
                      nitrogen load at the catchment scale. However, the
                      uncertainty of the nitrogen load simulated by SWAT has
                      rarely been analyzed. The two simulations with the highest
                      or the lowest PBIAS of total nitrogen (TN) load were
                      proposed in this study to represent the range of the
                      prediction uncertainty and therefore were used to generate
                      the uncertainty of CSAs and nitrogen source apportionment.
                      The model was set up for the Yuan River Catchment, which is
                      under threat of extensive nitrogen load. Results indicated
                      the highest nitrogen load was from downstream paddy fields
                      with a denser population and $85\%$ of the load was from
                      fertilizer and feedlots. The relatively high prediction
                      uncertainty was observed on both CSAs and source
                      apportionment, which emphasizes the limitation of
                      calibration only based on certain processes and the
                      necessity to consider parameter uncertainty in the
                      application of nitrogen load simulation.},
      cin          = {IBG-3},
      ddc          = {690},
      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},
      pubmed       = {pmid:31661459},
      UT           = {WOS:000494828300020},
      doi          = {10.2166/wst.2019.326},
      url          = {https://juser.fz-juelich.de/record/866811},
}