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@ARTICLE{Burger:901969,
      author       = {Burger, Dymphie J. and Vogel, Johnny and Kooijman,
                      Annemieke M. and Bol, Roland and de Rijke, Eva and Schoorl,
                      Jorien and Lücke, Andreas and Gottselig, Nina},
      title        = {{C}olloidal catchment response to snowmelt and
                      precipitation events differs in a forested headwater
                      catchment},
      journal      = {Vadose zone journal},
      volume       = {20},
      number       = {3},
      issn         = {1539-1663},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2021-03943},
      pages        = {e20126},
      year         = {2021},
      abstract     = {Climate change affects the occurrence of high-discharge
                      (HD) events and associated nutrient exports in catchment
                      stream water. Information on colloidal events-based losses
                      of important nutrients, such as organic C(Corg), N, P, and
                      S, remain relatively scarce. We hypothesized that
                      contributions of colloidal exported N, S, and P due to
                      differing hydrological mechanisms vary between HD events in
                      late winter and spring. We examined one combined snowmelt
                      and rainfall event (March 2018) with one rainfall event (May
                      2018) for temporal Corg, N, P, and S dynamics. The catchment
                      exports of colloids and their subset nanoparticles were
                      analyzed by asymmetric-flow field flow fractionation (P) and
                      a filtration cascade (N and S). The Corg source in both
                      events was assessed by δ13C composition of the stream water
                      in relation to that of the soil. In winter, $<6\%$ of stream
                      water P was transported by colloids (>0.1 μm), but this was
                      $29–64\%$ in spring and was associated with Corg, Fe, and
                      Al. Colloidal N and particulate S (>1 μm) were higher
                      during both events, but the majority of losses were
                      dissolved (<0.1 μm). The δ13C values of dissolved organic
                      matter (13CDOM) showed that in winter, most Corg was
                      exported from the hydrologically connected hillslopes by
                      water flowing through mineral horizons, due to snowmelt.
                      During and after the rainfall events, export from organic
                      horizons dominated the nutrient losses as particulates,
                      including colloids. These events highlight the need for a
                      better quantification of often underreported particulate,
                      colloid, and nanoparticle contributions to weather-driven
                      nutrient losses from catchments.},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000654233600001},
      doi          = {10.1002/vzj2.20126},
      url          = {https://juser.fz-juelich.de/record/901969},
}