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Sasha D. Hafner

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  1. 2023
  2. Published
    Ammonia emissions after field application of anaerobically digested animal slurry: Literature review and perspectives. / Pedersen, Johanna; Hafner, Sasha D.
    In: Agriculture, Ecosystems & Environment, Vol. 357, 108697, 11.2023.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

  3. Published
    Ammonia emissions after field application of anaerobically digested animal slurry: Literature review and perspectives. / Pedersen, Johanna; Hafner, Sasha D.
    2023. Abstract from RAMIRAN, Cambridge, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  4. Published
    Comparison of methods for measuring ammonia volatilization from field-applied slurry. / Kamp, Jesper Nørlem; Pedersen, Johanna; Huijsmans, Jan et al.
    2023. Abstract from RAMIRAN, Cambridge, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  5. Published
    Let's improve ammonia emission models for field-applied manure. / Sommer, Sven Gjedde; Pedersen, Johanna; Hafner, Sasha D. et al.
    2023. Abstract from RAMIRAN, Cambridge, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  6. Published
    Mitigating ammonia emission from slurry digestate applied to winter wheat crops: effect of digestate composition, digestate treatment, and application technique. / Pedersen, Johanna; Romio, Cristiane; Labouriau, Rodrigo et al.
    2023. Abstract from RAMIRAN, Cambridge, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  7. Published
    Progress in estimation of ammonia loss from field-applied slurry: ALFAM2 model developments. / Hafner, Sasha D.; Hutchings, Nick; Fuss, Roland et al.
    2023. Abstract from RAMIRAN, Cambridge, United Kingdom.

    Research output: Contribution to conference › Conference abstract for conference › Research

  8. Published
    Effect of anaerobic digestion on odor and ammonia emission from land-applied cattle manure. / Lemes, Yolanda M.; Nyord, Tavs; Feilberg, Anders et al.
    In: Journal of Environmental Management, Vol. 338, 117815, 07.2023.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  9. Published
    A farm-scale model for predicting carbon and nitrogen emission and optimizing local farm management. / Dalby, Frederik Rask; Adamsen, Anders Peter S.; Lashkari, Saman et al.
    2023. Abstract from Agri Food and Climate Circle 2023, København, Denmark.

    Research output: Contribution to conference › Conference abstract for conference › Research

  10. Published
    STM: A software tool for predicting daily temperature in stored animal slurry. / Hafner, Sasha D.; Mjöfors, Kristina .
    In: SoftwareX, Vol. 22, 101354, 15.03.2023.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  11. Published
    Ammonia emissions from field applied solid manure. / Pedersen, Johanna; Hafner, Sasha D.; Adamsen, Anders Peter S.
    No. 2021-0220838, 2023. 16 p., Mar 01, 2023.

    Research output: Memorandum/exposition › Memorandum

  12. Published
    Følsomhedsanalyse af inklusion af mere aktivitetsdata i drivhusgasudledningsberegninger på bedriftsniveau. / Andersen, Mathias Neumann; Møller, Anders Bjørn; Greve, Mette Balslev et al.
    2023. 40 p. (Rådgivningsrapport fra DCA - Nationalt Center for Fødevarer og Jordbrug).

    Research output: Book/anthology/dissertation/report › Report › Commissioned

  13. Published
    Simple Management Changes Drastically Reduce Pig House Methane Emission in Combined Experimental and Modeling Study. / Dalby, Frederik Rask; Hansen, Michael Jørgen; Guldberg, Lise Bonne et al.
    In: Environmental Science and Technology, Vol. 57, No. 9, 03.2023, p. 3990-4002.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  14. Published
    Ammonia emissions from untreated, separated and digested cattle slurry - Effects of slurry type and application strategy on a Swedish clay soil. / Andersson, Karin; Delin, Sofia; Pedersen, Johanna et al.
    In: Biosystems Engineering, Vol. 226, 02.2023, p. 194-208.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  15. Published
    Effect of manure separation on ammonia emission during storage and subsequent field application. / Støckler, Anna Holm; Pedersen, Johanna; Kamp, Jesper Nørlem et al.
    2023. Abstract from EGU General Assembly 2023, Vienna, Austria.

    Research output: Contribution to conference › Conference abstract for conference › Research

  16. Published
    Measurement methods for ammonia emissions after field application of slurry. / Kamp, Jesper Nørlem; Pedersen, Johanna; Huijsmans, Jan et al.
    2023. Abstract from EGU General Assembly 2023, Vienna, Austria.

    Research output: Contribution to conference › Conference abstract for conference › Research

  17. Published
    Optimized design of flux chambers for online measurements of NH3 emission after field application of slurry with full-scale farm machinery. / Pedersen, Johanna; Hafner, Sasha D.; Karlsson, Valthor et al.
    2023. Abstract from EGU General Assembly 2023, Vienna, Austria.

    Research output: Contribution to conference › Conference abstract for conference › Research

  18. Published
    Simple management changes drastically reduce pig house methane emission in combined experimental and modelling study. / Dalby, Frederik Rask; Hansen, Michael Jørgen; Guldberg, Lise Bonne et al.
    In: Environmental Science & Technology, Vol. 57, 2023, p. 3990-4002.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  19. 2022
  20. Published
    Assessing the value of kinetic results from biochemical methane potential tests: Reproducibility from a large inter-laboratory study. / Hafner, Sasha D.; Astals, Sergi; Holliger, Christof et al.
    In: Cleaner Chemical Engineering, Vol. 4, 100065, 12.2022.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  21. Published
    Effectiveness of mechanical separation for reducing ammonia loss from field-applied slurry: Assessment through literature review and model calculations. / Pedersen, Johanna; Hafner, Sasha D.; Adamsen, Anders Peter S.
    In: Journal of Environmental Management, Vol. 323, 116196, 12.2022.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  22. Published
    Guidelines for selection of representative livestock barns and manure storages for measurement of greenhouse gas and ammonia emission for national inventories. / Hafner, Sasha D.; Adamsen, Anders Peter S.
    No. 2021-0260400, 2022. 15 p., Nov 13, 2022. (Advisory memorandum from DCA – Danish Centre for Food and Agriculture).

    Research output: Memorandum/exposition › Memorandum

  23. Published
    Model for calculating ammonia emission from stored animal liquid manure. / Sommer, Sven G.; Hafner, Sasha D.; Laubach, Johannes et al.
    In: Biosystems Engineering, Vol. 223, No. Part A, 11.2022, p. 41-55.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  24. Published
    The Anaerobic Biodegradation Model (ABM): A flexible tool for predicting methane emission from livestock manure. / Dalby, Frederik Rask; Hafner, Sasha D.; Petersen, Søren O et al.
    2022. Abstract from 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, United States.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  25. Published
    The Anaerobic Biodegradation Model (ABM): A flexible tool for predicting methane emission from livestock manure. / Dalby, Frederik Rask; Hafner, Sasha D.; Petersen, Søren O et al.
    2022. Poster session presented at Zero Greenhouse Emission in High Productive Agriculture, Hellerup, Denmark.

    Research output: Contribution to conference › Poster › Research › peer-review

  26. Published
    Ammoniakreduktionseffekt ved forsuring og udbringning ved slæbesko af væskefraktion fra separeret afgasset husdyrgødning. / Pedersen, Johanna; Hafner, Sasha D.; Adamsen, Anders Peter S.
    Aarhus Universitet - DCA - Nationalt Center for Fødevarer og Jordbrug, 2022. 9 p. (Rådgivningsrapport fra DCA - Nationalt Center for Fødevarer og Jordbrug).

    Research output: Book/anthology/dissertation/report › Report › Commissioned

  27. Published
    Vurdering af separation af flydende husdyrgødning som ny ammoniakreducerende udbringningsteknik. / Pedersen, Johanna; Hafner, Sasha D.; Adamsen, Anders Peter S.
    Aarhus Universitet - DCA - Nationalt Center for Fødevarer og Jordbrug, 2022. 19 p. (Rådgivningsrapport fra DCA - Nationalt Center for Fødevarer og Jordbrug).

    Research output: Book/anthology/dissertation/report › Report › Commissioned

  28. 2021
  29. Published
    Emissionsfaktorer for ammoniak fra ALFAM2 for afgasset biomasse. / Adamsen, Anders Peter S.; Hafner, Sasha D.
    2021. 8 p.

    Research output: Book/anthology/dissertation/report › Report › Commissioned

  30. Published
    Emissionsfaktorer for ammoniak fra ALFAM2 for ammoniakreducerende udbringningsteknikker. / Adamsen, Anders Peter S.; Hafner, Sasha D.
    No. 2021-0294105, 2021. 8 p., Nov 17, 2021.

    Research output: Memorandum/exposition › Memorandum

  31. Published
    Acidification effects on in situ ammonia emissions and cereal yields depending on slurry type and application method. / Wagner, Christian; Nyord, Tavs; Vestergaard, Annette Vibeke et al.
    In: Agriculture (Switzerland), Vol. 11, No. 11, 1053, 11.2021.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  32. Published
    Estimation of Danish emission factors for ammonia from field-applied liquid manure for 1980 to 2019. / Hafner, Sasha D.; Nyord, Tavs; Sommer, Sven Gjedde et al.
    DCA - Nationalt Center for Fødevarer og Jordbrug, 2021. 143 p.

    Research output: Book/anthology/dissertation/report › Report › Commissioned

  33. Published
    Determination of nitrogen and sulphur mineralization in batch and semi-continuous anaerobic digestion using an artificial fiber bag technique. / Mortensen, Jacob Rosholm; Ward, Alastair James; Weisbjerg, Martin Riis et al.
    In: Energies, Vol. 14, No. 14, 4205, 07.2021.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  34. Published
    Understanding methane emission from stored animal manure: A review to guide model development. / Dalby, Frederik R.; Hafner, Sasha D.; Petersen, Søren O. et al.
    In: Journal of Environmental Quality, Vol. 50, No. 4, 07.2021, p. 817-835.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  35. Published
    A mechanistic model of methane emission from animal slurry with a focus on microbial groups. / Dalby, Frederik R.; Hafner, Sasha D.; Petersen, Søren O. et al.
    In: PLOS ONE, Vol. 16, No. 6, 0252881, 06.2021.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  36. Published
    The stability of pH of acidified stored manure slurry. / Adamsen, Anders Peter S.; Nyord, Tavs; Hafner, Sasha D.
    No. 2021-0231465, 2021. 14 p., May 19, 2021.

    Research output: Memorandum/exposition › Memorandum

  37. Published
    DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land-applied manure. / Beltran, Ignacio; van der Weerden, Tony J.; Alfaro, Marta A. et al.
    In: Journal of Environmental Quality, Vol. 50, No. 2, 03.2021, p. 513-527.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  38. Published
    Ammoniakfordampning fra forsuret gylle ved udbringning med slæbeslange. / Nyord, Tavs; Hafner, Sasha D.; Adamsen, Anders Peter S. et al.
    No. 2020-0188079, 2021. 18 p., Feb 15, 2021.

    Research output: Memorandum/exposition › Memorandum

  39. Published
    Effect of exposed surface area on ammonia emissions from untreated, separated, and digested cattle manure. / Pedersen, Johanna Maria; Andersson, Karin; Feilberg, Anders et al.
    In: Biosystems Engineering, Vol. 202, 02.2021, p. 66-78.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  40. Published
    Towards a standardization of biomethane potential tests: A commentary. / Holliger, Christof; Astals, Sergi; de Laclos, Hélène Fruteau et al.
    In: Water Science and Technology, Vol. 83, No. 1, 01.01.2021, p. 247-250.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  41. 2020
  42. Published
    Konsekvensberegning for ammoniakemissionen fra udbringning af husdyrgødning, som følge af opdatering af data og emissionsfaktorer. / Mikkelsen, Mette Hjorth; Albrektsen, Rikke; Hafner, Sasha D. et al.
    2020. 16 p., (Fagligt notat fra DCE – Nationalt Center for Miljø og Energi ; No. 85, Vol. 2020).

    Research output: Memorandum/exposition › Memorandum › peer-review

  43. Published
    How Different are manometric, gravimetric, and automated volumetric BMP results? / Amodeo, Corrado; Hafner, Sasha D.; Franco, Rúben Teixeira et al.
    In: Water (Switzerland), Vol. 12, No. 6, 1839, 01.06.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  44. Published
    Ammonia emission measurement with an online wind tunnel system for evaluation of manure application techniques. / Pedersen, Johanna M.; Feilberg, Anders; Kamp, Jesper N. et al.
    In: Atmospheric Environment, Vol. 230, 117562, 06.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  45. Published
    Improving inter-laboratory reproducibility in measurement of biochemical methane potential (BMP). / Hafner, Sasha D.; de Laclos, Hélène Fruteau; Koch, Konrad et al.
    In: Water (Switzerland), Vol. 12, No. 6, 1752, 06.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  46. Published
    Evaluation of common supermarket products as positive controls in biochemical methane potential (BMP) tests. / Koch, Konrad; Hafner, Sasha D.; Astals, Sergi et al.
    In: Water (Switzerland), Vol. 12, No. 5, 1223, 01.05.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  47. Published
    Impact of storage conditions on the methanogenic activity of anaerobic digestion inocula. / Astals, Sergi; Koch, Konrad; Weinrich, Sören et al.
    In: Water (Switzerland), Vol. 12, No. 5, 1321, 01.05.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  48. Published
    Management and design of biogas digesters: A non-calibrated heat transfer model. / Pedersen, S. Vilms; Marti-Herrero, J.; Singh, A. K. et al.
    In: Bioresource Technology, Vol. 296, 122264, 01.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  49. Published
    Power and Limitations of Biochemical Methane Potential (BMP) Tests. / Koch, Konrad; Hafner, Sasha D.; Weinrich, Sören et al.
    In: Frontiers in Energy Research, Vol. 8, 63, 2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  50. 2019
  51. Published
    Development and Validation of a Low-Cost Gas Density Method for Measuring Biochemical Methane Potential (BMP). / Justesen, Camilla G.; Astals, Sergi; Mortensen, Jacob R. et al.
    In: Water, Vol. 11, No. 12, 2431, 12.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  52. Published
    A flexible semi-empirical model for estimating ammonia volatilization from field-applied slurry. / Hafner, Sasha D.; Pacholski, Andreas; Bittman, Shabtai et al.
    In: Atmospheric Environment, Vol. 199, 15.02.2019, p. 474-484.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  53. Published
    Identification of Critical Problems in Biochemical Methane Potential (BMP) Tests From Methane Production Curves. / Koch, Konrad; Hafner, Sasha D.; Weinrich, Sören et al.
    In: Frontiers in Environmental Science, Vol. 7, 178, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  54. Published
    Systematic error in manometric measurement of biochemical methane potential: Sources and solutions. / Hafner, Sasha D.; Astals, Sergi.
    In: Waste Management, Vol. 91, 2019, p. 147-155.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  55. 2018
  56. Published
    Software for biogas research: Tools for measurement and prediction of methane production. / Hafner, Sasha D.; Koch, Konrad; Carrère, Hélène et al.
    In: SoftwareX, Vol. 7, 19.07.2018, p. 205-210.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  57. Published
    Volatile organic compounds and silage: sources, emission, and mitigation. / Hafner, Sasha D.; Bühler, M.; Feilberg, Anders et al.
    Proceedings of the XVIII International Silage Conference. Bonn: Universität Bonn, 2018. p. 52-68.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  58. Published
    Quantification of leakage in batch biogas assays. / Hafner, Sasha D.; Rennuit, Charlotte; J. Olsen, Palle et al.
    In: Water Practice and Technology, Vol. 13, No. 1, 03.2018, p. 52-61.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  59. Published
    Comparison of pre- and inter-stage aerobic treatment of wastewater sludge: Effects on biogas production and COD removal. / Rennuit, Charlotte; Triolo, Jin Mi; Eriksen, Søren et al.
    In: Bioresource Technology, Vol. 247, 2018, p. 332-339.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  60. Published
    Evaluation of a Simple, Small-Plot Meteorological Technique for Measurement of Ammonia Emission: Feasibility, Costs, and Recommendations. / Pedersen, Simon Vilms; di Perta, Ester Scotto; Hafner, Sasha D. et al.
    In: Transactions of the ASABE, Vol. 61, No. 1, 2018, p. 103-115.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  61. Published
    Inter-stage thermophilic aerobic digestion may increase organic matter removal from wastewater sludge without decreasing biogas production. / Hafner, Sasha D.; Madsen, Johan T.; Pedersen, Johanna Maria et al.
    In: Water Science and Technology, Vol. 77, No. 3, 2018, p. 721-726.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  62. Published
    The ALFAM2 database on ammonia emission from field-applied manure: Description and illustrative analysis. / Hafner, Sasha D; Pacholski, Andreas; Bittman, Shabtai et al.
    In: Agricultural and Forest Meteorology, Vol. 258, 2018, p. 66-79.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  63. 2017
  64. Published
    A process-based emission model of volatile organic compounds from silage sources on farms. / Bonifacio, H. F.; Rotz, C. A.; Hafner, S. D. et al.
    In: Atmospheric Environment, Vol. 152, 2017, p. 85-97.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  65. Published
    Effects of carbon dioxide hydration kinetics and evaporative convection on pH profile development during interfacial mass transfer of ammonia and carbon dioxide. / Hafner, Sasha D; Sommer, Sven G.; Petersen, Valdemar et al.
    In: Heat and Mass Transfer, Vol. 53, No. 4, 2017, p. 1335-1342.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  66. Published
    Transformation of organic matter and the emissions of methane and ammonia during storage of liquid manure as affected by acidification. / Sommer, Sven G.; Clough, Timothy J.; Balaine, Nimlesh et al.
    In: Journal of Environmental Quality, Vol. 46, No. 3, 2017, p. 514-521.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  67. 2016
  68. Published
    Ammonia abatement by slurry acidification: A pilot-scale study of three finishing pig production periods. / Petersen, Søren O.; Hutchings, Nicholas John; Hafner, Sasha D. et al.
    In: Agriculture, Ecosystems & Environment, Vol. 216, 2016, p. 258-268.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  69. Published
    A new software tool for predicting methane emission from manure storage facilities. / Pedersen, Simon Vilms; Marti-Herrero, Jaime; Singh, Ashok Kumar et al.
    International Conference on Agricultural Engineering. 2016.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

  70. Published
    Assessment of Error Rates in Acoustic Monitoring with the R package monitoR. / Katz, Jonathan; Hafner, Sasha D; Donovan, Therese.
    In: Bioacoustics - the International Journal of Animal Sound and its Recording, Vol. 25, No. 2, 2016, p. 177-196.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  71. Published
    Evaluation of a Simple Heat Transfer-and Biogas Production Model for Anaerobic Digesters of Various Designs. / Pedersen, Simon Vilms; Marti-Herrero, Jaime; Sommer, Sven G et al.
    24th European Biomass Conference Exhibition. 2016.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

  72. Published
    Interstage treatment for increasing methane production from recalcitrant biomass. / Rennuit, Charlotte; Hafner, Sasha.
    16th International Conference on Rural-Urban Symbiosis. 2016. p. 535-538.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

  73. Published
    The ALFAM2 project: Predicting ammonia loss from field-applied manure. / Hafner, Sasha; Pedersen, Simon Vilms; Sommer, Sven G.
    16th International Conference on Rural-Urban Symbiosis. 2016. p. 289-292.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  74. Published
    Tools for automated acoustic monitoring within the R package monitoR. / Katz, Jonathan; Hafner, Sasha D; Donovan, Therese.
    In: Bioacoustics - the International Journal of Animal Sound and its Recording, Vol. 25, No. 2, 2016, p. 197-210.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  75. 2015
  76. Published
    Validation of a simple gravimetric method for measuring biogas production in laboratory experiments. / Hafner, Sasha D.; Rennuit, Charlotte; Triolo, Jin M. et al.
    In: Biomass and Bioenergy, Vol. 83, 01.12.2015, p. 297-301.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  77. Published
    Effects of potassium sorbate and Lactobacillus plantarum MTD1 on production of ethanol and other volatile organic compounds in corn silage. / Hafner, Sasha D.; Windle, Michelle; Merrill, Caitlyn et al.
    In: Animal Feed Science and Technology, Vol. 208, 01.10.2015, p. 79-85.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  78. Published
    Predicting ammonia loss from field-applied manure - The ALFAM2 project. / Hafner, Sasha D.; Pedersen, S. V.; Sommer, Sven Gjedde et al.
    Proceedings of the 16th International RAMIRAN Conference. ed. / I. Körner. TuTech Verlag , 2015.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  79. 2014
  80. Published
    Potassium sorbate reduces production of ethanol and 2 esters in corn silage1. / Hafner, Sasha D.; Franco, Roberta B.; Kung, Limin et al.
    In: Journal of Dairy Science, Vol. 97, No. 12, 01.12.2014, p. 7870-7878.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  81. Published
    A new slurry pH model accounting for effects of ammonia and carbon dioxide volatilization on solution speciation. / Petersen, V; Markfoged, Rikke; Hafner, Sasha D. et al.
    In: Nutrient Cycling in Agroecosystems, Vol. 100, No. 2, 11.2014, p. 189-204.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  82. Published
    Ammonia emission model for whole farm evaluation of dairy production systems. / Rotz, C. Alan; Montes, Felipe; Hafner, Sasha D. et al.
    In: Journal of Environmental Quality, Vol. 43, No. 4, 2014, p. 1143-1158.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  83. Published
    Process-based modeling of ammonia emission from beef cattle feedyards with the integrated farm systems model. / Waldrip, Heidi M.; Rotz, C. Alan; Hafner, Sasha D. et al.
    In: Journal of Environmental Quality, Vol. 43, No. 4, 2014, p. 1159-1168.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  84. 2013
  85. Published
    Emission of volatile organic compounds from silage: Compounds, sources, and implications. / Hafner, Sasha D.; Howard, Cody; Muck, Richard E. et al.
    In: Atmospheric Environment, Vol. 77, 10.2013, p. 827-839.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

  86. Published
    The role of carbon dioxide in emission of ammonia from manure. / Hafner, Sasha D.; Montes, Felipe; Alan Rotz, C.
    In: Atmospheric Environment, Vol. 66, 02.2013, p. 63-71.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  87. 2012
  88. Published
    A mass transfer model for VOC emission from silage. / Hafner, Sasha D.; Montes, Felipe; Rotz, C. Alan.
    In: Atmospheric Environment, Vol. 54, 07.2012, p. 134-140.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  89. Published
    A pH-based method for measuring gaseous ammonia. / Hafner, Sasha D.; Meisinger, John J.; Mulbry, Walter et al.
    In: Nutrient Cycling in Agroecosystems, Vol. 92, No. 2, 03.2012, p. 195-205.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  90. 2011
  91. Published
    Impacts of paper sludge and manure on soil and biomass production of willow. / Quaye, Amos K.; Volk, Timothy A.; Hafner, Sasha et al.
    In: Biomass and Bioenergy, Vol. 35, No. 7, 07.2011, p. 2796-2806.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  92. Published
    Whole farm impact of anaerobic digestion and biogas use on a New York dairy farm. / Rotz, C. Alan; Hafner, Sasha D.
    American Society of Agricultural and Biological Engineers Annual International Meeting 2011, ASABE 2011. Vol. 6 American Society of Agricultural and Biological Engineers, 2011. p. 5220-5231.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  93. 2010
  94. Published
    Ethanol emission from loose corn silage and exposed silage particles. / Hafner, Sasha D.; Montes, Felipe; Rotz, C. Alan et al.
    In: Atmospheric Environment, Vol. 44, No. 34, 11.2010, p. 4172-4180.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  95. Published
    Water-level regulation and coastal wetland vegetation in the upper St. Lawrence River: Inferences from historical aerial imagery, seed banks, and Typha dynamics. / Farrell, John M.; Murry, Brent A.; Leopold, Donald J. et al.
    In: Hydrobiologia, Vol. 647, No. 1, 06.2010, p. 127-144.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  96. Published
    Temperature and air velocity effects on ethanol emission from corn silage with the characteristics of an exposed silo face. / Montes, Felipe; Hafner, Sasha D.; Rotz, C. Alan et al.
    In: Atmospheric Environment, Vol. 44, No. 16, 05.2010, p. 1987-1995.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  97. Published
    A farm-level model of VOC emission from silage. / Hafner, S. D.; Montes, F.; Rotz, C. A. et al.
    ASABE - International Symposium on Air Quality and Waste Management for Agriculture 2010. 2010. p. 446-453.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  98. Published
    A mass transfer model of ethanol emission from thin layers of corn silage. / El-Mashad, H. M.; Zhang, Ruihong; Rumsey, T. et al.
    ASABE - International Symposium on Air Quality and Waste Management for Agriculture 2010. 2010. p. 107-114.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  99. Published
    A mass transfer model of ethanol emission from thin layers of corn silage. / El-Mashad, Hamed M.; Zhang, Ruihong; Hafner, Sasha et al.
    In: Transactions of the ASABE, Vol. 53, No. 6, 2010, p. 1903-1909.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  100. Published
    Effects of carbon dioxide emission, kinetically-limited reactions, and diffusive transport on ammonia emission from manure. / Hafner, Sasha D.; Montes, Felipe; Rotz, C. Alan.
    American Society of Agricultural and Biological Engineers Annual International Meeting 2010, ASABE 2010. Vol. 3 American Society of Agricultural and Biological Engineers, 2010. p. 2506-2525.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  101. 2009
  102. Published
    Modeling of ammonia speciation in anaerobic digesters. / Hafner, Sasha D.; Bisogni, James J.
    In: Water Research, Vol. 43, No. 17, 09.2009, p. 4105-4114.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  103. Published
    Measuring emissions of volatile organic compounds from silage. / Montes, Felipe; Hafner, Sasha; Rotz, C. Alan.
    American Society of Agricultural and Biological Engineers Annual International Meeting 2009, ASABE 2009. Vol. 5 2009. p. 2920-2932.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  104. Published
    Modeling emissions of volatile organic compounds from silage. / Hafner, Sasha D.; Montes, Felipe; Rotz, C. Alan.
    American Society of Agricultural and Biological Engineers Annual International Meeting 2009, ASABE 2009. Vol. 3 2009. p. 1895-1911.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  105. 2007
  106. Published
    Biological hydrogen production from nitrogen-deficient substrates. / Hafner, Sasha D.
    In: Biotechnology and Bioengineering, Vol. 97, No. 2, 01.06.2007, p. 435-437.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  107. Published
    A Simple Method for Measurement of Inorganic Carbon Concentration and Carbonate System Alkalinity in Anaerobic Digesters. / Hafner, Sasha D.; Bisogni, James J.
    In: The CIGR Ejournal , Vol. IX, 2007.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  108. 2006
  109. Published
    Predicting nitrogen and phosphorus removal in wetlands due to detritus accumulation: A simple mechanistic model. / Hafner, Sasha D.; Jewell, William J.
    In: Ecological Engineering, Vol. 27, No. 1, 31.08.2006, p. 13-21.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  110. Published
    Measurement of un-ionized ammonia in complex mixtures. / Hafner, Sasha D.; Bisogni, James J.; Jewell, William J.
    In: Environmental Science and Technology, Vol. 40, No. 5, 01.03.2006, p. 1597-1602.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  111. Published
    Ammonia speciation in anaerobic digesters. / Hafner, Sasha D.; Jewell, William J.; Bisogni, James J.
    2006 ASABE Annual International Meeting. 2006.

    Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

  112. 2005
  113. Published
    Soil nitrogen cycling under litter and coarse woody debris in a mixed forest in New York State. / Hafner, Sasha D.; Groffman, Peter M.
    In: Soil Biology and Biochemistry, Vol. 37, No. 11, 11.2005, p. 2159-2162.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  114. Published
    Maintaining critical habitat in a heavily managed landscape: Effects of power line corridor management on Karner blue butterfly (Lycaeides melissa samuelis) habitat. / Forrester, Jodi A.; Leopold, Donald J.; Hafner, Sasha D.
    In: Restoration Ecology, Vol. 13, No. 3, 09.2005, p. 488-498.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  115. Published
    Leaching of dissolved organic carbon, dissolved organic nitrogen, and other solutes from coarse woody debris and litter in a mixed forest in New York State. / Hafner, Sasha D.; Groffman, Peter M.; Mitchell, Myron J.
    In: Biogeochemistry, Vol. 74, No. 2, 06.2005, p. 257-282.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  116. 2003
  117. Published
    Ecology (communications arising): Is fertilization efficiency misleading? / Hafner, Sasha D.
    In: Nature, Vol. 422, 27.03.2003, p. 397-398.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  118. Published
    Long-term trends in sodium and chloride in the Mohawk River, New York: The effect of fifty years of road-salt application. / Godwin, K. S.; Hafner, S. D.; Buff, M. F.
    In: Environmental Pollution, Vol. 124, No. 2, 2003, p. 273-281.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

  119. Published
    Trends in maize, rice, and wheat yields for 188 nations over the past 40 years: A prevalence of linear growth. / Hafner, Sasha.
    In: Applied Soil Ecology, Vol. 97, No. 1-3, 2003, p. 275-283.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review