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@ARTICLE{Gottselig:154732,
      author       = {Gottselig, Nina and Bol, Roland and Nischwitz, Volker and
                      Vereecken, Harry and Amelung, Wulf and Klumpp, Erwin},
      title        = {{D}istribution of {P}hosphorus-{C}ontaining {F}ine
                      {C}olloids and {N}anoparticles in {S}tream {W}ater of a
                      {F}orest {C}atchment},
      journal      = {Vadose zone journal},
      volume       = {13},
      number       = {7},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {FZJ-2014-04012},
      pages        = {1 - 11},
      year         = {2014},
      abstract     = {Natural fine colloids and nanoparticles have the potential
                      to encapsulate and bind nutrients. Their size and
                      composition is therefore relevant to understand the
                      transport of essential nutrients like phosphorus in an
                      aquatic ecosystem. The aim of this study was to characterize
                      fine colloidal and nanoparticulate bound P of distinct
                      hydromorphological areas in stream water from a forested
                      test site in a small headwater catchment. Asymmetric flow
                      field flow fractionation coupled online to inductively
                      coupled plasma mass spectrometry was applied for
                      size-resolved detection of P, Fe, and Al in the fractions.
                      Online P detection was a challenge due to the low
                      concentrations (in this study down to 0.1 μg/L) in many
                      natural waters. Additionally, the “dissolved” organic
                      matter (DOM) content was derived from the online UV signal.
                      The colloidal P occurred in two size fractions (2–20 and
                      21–300 nm), which constituted up to $100\%$ of the total
                      river P discharge depending on hydromorphology. For the
                      small size fraction, variations in P concentrations
                      correlated with Al variations; in addition, a high Fe
                      presence in both fractions was accompanied by high P
                      concentrations. Moreover, DOM was detected with P in the
                      presence of Fe and Al, suggesting that Fe and Al are
                      carriers of P and associated with organic matter. The
                      developed methodology enables the inputs and source regions
                      of fine colloidal and nanoparticulate fractions within a
                      small river of a headwater catchment to be traced and
                      conceptually defined for the first time.},
      cin          = {IBG-3 / ZEA-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118 / I:(DE-Juel1)ZEA-3-20090406},
      pnm          = {246 - Modelling and Monitoring Terrestrial Systems: Methods
                      and Technologies (POF2-246) / 255 - Terrestrial Systems:
                      From Observation to Prediction (POF3-255)},
      pid          = {G:(DE-HGF)POF2-246 / G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000343161800006},
      doi          = {10.2136/vzj2014.01.0005},
      url          = {https://juser.fz-juelich.de/record/154732},
}