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@ARTICLE{Stockinger:202392,
      author       = {Stockinger, Michael and Lücke, Andreas and McDonnell,
                      Jeffrey J. and Diekkrüger, Bernd and Vereecken, Harry and
                      Bogena, Heye},
      title        = {{I}nterception affects stable isotope driven streamwater
                      transit time estimates},
      journal      = {Geophysical research letters},
      volume       = {42},
      number       = {13},
      issn         = {0094-8276},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2015-04653},
      pages        = {5299-5308},
      year         = {2015},
      abstract     = {Previous studies of streamwater transit time distributions
                      (TTD) used isotope tracer information from open
                      precipitation (OP) as inputs to lumped watershed models that
                      simulate the discharge and isotopic composition time-series
                      from convolutions of the effective precipitation, response
                      time distribution, and TTDs. However, in forested catchments
                      passage of rainfall through the forest canopy will alter the
                      tracer signature of throughfall (TF) via interception. Here
                      we test the effect of using TF instead of OP on TTD
                      estimates. We sampled a 0.39 km2 catchment (Wüstebach,
                      Germany) for a 19 month period using weekly precipitation
                      and stream isotope data to evaluate changes in stream
                      isotope simulation and TTDs. We found that TF had different
                      effects on TTDs for δ18O and δ2H, with TF leading to up to
                      four months shorter transit times. TTDs converged for both
                      isotopes only when using TF. TF improved the stream isotope
                      simulations. These results demonstratethe importance of
                      canopy-induced isotope tracer changes in estimating
                      streamwater TTDs in forested catchments.},
      cin          = {IBG-3},
      ddc          = {550},
      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},
      UT           = {WOS:000358691300028},
      doi          = {10.1002/2015GL064622},
      url          = {https://juser.fz-juelich.de/record/202392},
}