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@PHDTHESIS{Wei:845638,
      author       = {Wei, Jing},
      title        = {{R}eactions between nitrite and soil organicmatter and
                      their role in nitrogen trace gasemissions and nitrogen
                      retention in soil},
      volume       = {409},
      school       = {Universität Bonn},
      type         = {Dissertation},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2018-02854},
      isbn         = {978-3-95806-299-3},
      series       = {Schriften des Forschungszentrums Jülich Reihe Energie $\&$
                      Umwelt / Energy $\&$ Environment},
      pages        = {XXII, 160 S.},
      year         = {2018},
      note         = {Universität Bonn, Diss., 2018},
      abstract     = {As a key intermediate of both nitrification and
                      denitrification, nitrite (NO$_{2}^{‒}$) is highly
                      chemically reactive to soil organic matter (SOM), and it was
                      proved previously that considerable amounts ofnitrogen (N)
                      trace gases, including nitrous oxide (N$_{2}$O) and nitrogen
                      oxides (NO$_{x}$), were produced from the reactions of
                      NO$_{2}^{‒}$ with SOM in chemical assays decades ago.
                      However, the role of NO$_{2}^{‒}$‒SOM reactions in
                      nitrogen trace gas emissions and nitrogen retention in soils
                      has been neglected until recently. It is vital to identify
                      and quantify major sources and sinks of nitrogen trace gases
                      for the sake of the environment. On the other hand, better
                      understanding of N$_{2}$O sources and nitrogen retention is
                      also essential to improve the nitrogen use efficiency and
                      soil fertility in agriculture. Therefore, this thesis aimed
                      to gain a better understanding of the contribution of
                      NO$_{2}^{‒}$‒SOM reactions to nitrogen trace gas
                      emissions and nitrogen retention in soil. Emissions of
                      N$_{2}$O and carbon dioxide (CO$_{2}$) from the reactions of
                      NO$_{2}^{‒}$ with lignin and ligninderivatives
                      (4‐hydroxybenzoic acid, 4‐hydroxybenzaldehyde,
                      4‐hydroxy‐3‐methoxybenzoic acid,
                      4‐hydroxy‐3‐methoxybenzaldehyde,
                      4‐hydroxy‐3,5‐dimethoxybenzoic acid,
                      4‐hydroxy‐3,5‐dimethoxybenzaldehyde), as well as
                      N$_{2}$O isotopic signatures, were studied in chemical
                      assays at pH 3‒6. Among the six tested lignin derivatives,
                      the highest N$_{2}$O emission was found in the
                      4‐hydroxy‐3,5‐dimethoxybenzaldehyde treatment, and the
                      dependency of N$_{2}$O and CO$_{2}$ on pH varied according
                      to the structures of the organic substances. Most
                      interestingly, N$_{2}$O $^{15}$N site preference (SP) varied
                      largely from 11.9‒37.4 ‰ depending on pH and structures
                      of lignin derivatives, which was undistinguishable from
                      other N$_{2}$O sources, such as nitrification,
                      denitrification, and abiotic hydroxylamine oxidation.
                      Furthermore, real‐time N$_{2}$O isotopic characterization
                      revealed that SP also shifted largely during the reaction of
                      NO$_{2}^{‒}$ with lignin derivatives. Hyponitrous acid and
                      nitramide pathways, which could be responsible for N$_{2}$O
                      formation, were proposed to explain the shift of N$_{2}$O SP
                      values. [...]},
      cin          = {IBG-3},
      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)3 / PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:0001-2018050906},
      url          = {https://juser.fz-juelich.de/record/845638},
}