To cite package 'ALFAM2' in publications please refer to these documents.

The R package:

Hafner S, Haeni C, Fuss R, Dalby F (2024). ALFAM2: Dynamic Model of Ammonia Emission from Field-Applied Manure. R package version 4.2, https://CRAN.R-project.org/package=ALFAM2.

The original paper describing the model:

Hafner S, Pacholski A, Bittman S, Carozzi M, Chantigny M, Genermont S, Haeni C, Hansen M, Huijsmans J, Kupper T, Misselbrook T, Neftel A, Nyord T, Sommer S (2019). “A flexible semi-empirical model for estimating ammonia volatilization from field-applied slurry.” Atmospheric Environment, 199, 474–484. doi:10.1016/j.atmosenv.2018.11.034.

A paper describing parameter set 2:

Hafner S, Kamp J, Pedersen J (2024). “Experimental and model-based comparison of wind tunnel and inverse dispersion model measurement of ammonia emission from field-applied animal slurry.” Agricultural and Forest Meteorology, 344, 109790. doi:10.1016/j.agrformet.2023.109790.

A paper describing the extended version of the model (>=v2.15) and parameter set 3:

Hafner S, Pedersen J, Fuss R, Kamp J, Dalby F, Amon B, Pacholski A, Adamsen A, Sommer S (2024). “Improved tools for estimation of ammonia emission from field-applied animal slurry: refinement of the ALFAM2 model and database.” Atmospheric Environment. doi:10.1016/j.atmosenv.2024.120910.

A national report that includes a description of the development of parameter set 2:

Hafner S, Nyord T, Sommer S, Adamsen A (2021). “Estimation of Danish emission factors for ammonia from field-applied liquid manure for 1980 to 2019.” Danish Centre for Food and Agriculture, Aarhus University. https://pure.au.dk/portal/files/223538048/EFreport23092021.pdf.

Corresponding BibTeX entries:

  @Manual{,
    title = {ALFAM2: Dynamic Model of Ammonia Emission from
      Field-Applied Manure},
    author = {Sasha D. Hafner and Christoph Haeni and Roland Fuss and
      Frederik Dalby},
    year = {2024},
    note = {R package version 4.2},
    url = {https://CRAN.R-project.org/package=ALFAM2},
  }

  @Article{,
    title = {A flexible semi-empirical model for estimating ammonia
      volatilization from field-applied slurry},
    author = {Sasha D. Hafner and Andreas Pacholski and Shabtai Bittman
      and Marco Carozzi and Martin Chantigny and Sophie Genermont and
      Christoph Haeni and Martin Hansen and Jan Huijsmans and Thomas
      Kupper and Tom Misselbrook and Albrecht Neftel and Tavs Nyord and
      Sven Sommer},
    journal = {Atmospheric Environment},
    year = {2019},
    volume = {199},
    pages = {474--484},
    doi = {10.1016/j.atmosenv.2018.11.034},
  }

  @Article{,
    title = {Experimental and model-based comparison of wind tunnel and
      inverse dispersion model measurement of ammonia emission from
      field-applied animal slurry},
    author = {Sasha D. Hafner and Jesper N. Kamp and Johanna Pedersen},
    journal = {Agricultural and Forest Meteorology},
    year = {2024},
    volume = {344},
    pages = {109790},
    doi = {10.1016/j.agrformet.2023.109790},
  }

  @Article{,
    title = {Improved tools for estimation of ammonia emission from
      field-applied animal slurry: refinement of the ALFAM2 model and
      database},
    author = {Sasha D. Hafner and Johanna Pedersen and Roland Fuss and
      Jesper N. Kamp and Frederik Dalby and Barbara Amon and Andreas
      Pacholski and Anders Peter S. Adamsen and Sven Gjedde Sommer},
    journal = {Atmospheric Environment},
    year = {2024},
    doi = {10.1016/j.atmosenv.2024.120910},
  }

  @TechReport{,
    title = {Estimation of Danish emission factors for ammonia from
      field-applied liquid manure for 1980 to 2019},
    author = {Sasha D. Hafner and Tavs Nyord and Sven G. Sommer and
      Anders Peter S. Adamsen},
    institution = {Danish Centre for Food and Agriculture, Aarhus
      University},
    year = {2021},
    url =
      {https://pure.au.dk/portal/files/223538048/EFreport23092021.pdf},
  }