Our team

Articles in peer reviewed journals [30 Results]

• Ouatahar, L.; Amon, B.; Bannink, A.; Amon, T.; Zentek, J.; Deng, J.; Janke, D.; Hempel, S.; Beukes, P.; Van der Weerden, T.; Krol, D.; Lanigan, G. (2025): production systems: Comparing dynamic process-based greenhouse gas emissions factors with IPCC Tier 1 and Tier 2 approaches in confinement and pasture-based systems. Journal of Cleaner Production. (486): p. 144479. Online: https://doi.org/10.1016/j.jclepro.2024.144479
• Amon, B.; Bannink, A.; Amon, T.; Zentek, J.; Deng, J.; Janke, D.; Hempel, S.; Beukes, P.; van der Weerden, T.; Krol, D.; Lanigan, G. (2024): An integral assessment of carbon and nitrogen emissions in dairy cattle production systems: Comparing dynamic process-based greenhouse gas emissions factors with IPCC Tier 1 and Tier 2 approaches in confinement and pasture-based systems. Journal of Cleaner Production. (1 January 2024): p. 144479. Online: https://doi.org/10.1016/j.jclepro.2024.144479
• Ouatahar, L.; Bannink, A.; Zentek, J.; Amon, T.; Deng, J.; Hempel, S.; Janke, D.; Beukes, P.; Van der Weerden, T.; Krol, D.; Lanigan, G.; Amon, B. (2024): An integral assessment of the impact of diet and manure management on whole-farm greenhouse gas and nitrogen emissions in dairy cattle production systems using process-based models. Waste Management. (October): p. 79-90. Online: https://doi.org/10.1016/j.wasman.2024.07.007
• Hempel, S.; Vu, T.; Amon, T.; Janke, D. (2023): The Influence of pH Dynamics on Modeled Ammonia Emission Patterns of a Naturally Ventilated Dairy Cattle Building. Atmosphere. (14): p. 1534. Online: https://doi.org/10.3390/atmos14101534
• Sahu, H.; Hempel, S.; Amon, T.; Zentek, J.; Römer, A.; Janke, D. (2023): Concentration gradients of ammonia, methane, and carbon dioxide at the outlet of a naturally ventilated dairy building. Atmosphere. (14): p. 1465. Online: https://doi.org/10.3390/atmos14091465
• Janke, D.; Bornwin, M.; Coorevits, K.; Hempel, S.; van Overbeke, P.; Demeyer, P.; Rawat, A.; Declerck, A.; Amon, T.; Amon, B. (2023): A low-cost wireless sensor network for barn climate and emission monitoring. Atmosphere. (14): p. 1643. Online: https://www.mdpi.com/2073-4433/14/11/1643
• Hempel, S.; Janke, D.; Losand, B.; Zeyer, K.; Zähner, M.; Mohn, J.; Amon, T.; Schrade, S. (2022): Comparison of methane emission patterns from dairy housings with solid and slatted floors at two locations. Agronomy. (2): p. 381. Online: https://doi.org/10.3390/agronomy12020381
• Hempel, S.; Ouatahar, L.; Janke, D.; Doumbia, E.; Willink, D.; Amon, B.; Bannink, A.; Amon, T. (2022): Ammonia emission prediction for dairy cattle housing from reaction kinetic modeling to the barn scale. Computers and Electronics in Agriculture. (August): p. 107168. Online: https://doi.org/10.1016/j.compag.2022.107168
• Janke, D.; Willink, D.; Ammon, C.; Doumbia, E.; Römer, A.; Amon, B.; Amon, T.; Hempel, S. (2022): Verification analysis of volume flow measured by a direct method and by two indirect CO2 balance methods. Applied Sciences. (10): p. 5203. Online: https://doi.org/10.3390/app12105203
• Janke, D.; Swaminathan, S.; Hempel, S.; Kasper, R.; Amon, T. (2021): Particulate matter dispersion modeling in agricultural applications: investigation of a transient open source solver. Agronomy. (11): p. 2246. Online: https://doi.org/10.3390/agronomy11112246

Bookchapters and proceedings [32 Results]

• Sayeed, M.; Janke, D.; Amon, T.; Amon, B.; Opalinski, S.; Frontczak, J.; Hempel, S. (2024): Advancing dairy farm management: leveraging data, neural networks, and interactive web design. In: AgEng 2024 Proceedings Book. AgEng 2024 International Conference of EurAgEng. Athen, p. 103-107.
• Hassouna, M.; Amon, T.; Arcidiacono, C.; Bühler, M.; Calvet, S.; Demeyer, P.; DUrso, P.; Estellés, F.; Häni, C.; Hempel, S.; Janke, D.; Kjosevski, M.; Kupper, T.; Mohn, J.; Mosquera, J.; Norton, T.; Scheutz, C.; ThygesenVechi, N.; Van Overbeke, P.; Schrade, S. (2023): Measuring Techniques for Ammonia and Greenhouse Gas Emissions from Naturally Ventilated Housings. In: Amon, T.(eds.): Technology for Environmentally Friendly Livestock Production. . Springer, (978-3-031-19729-1), p. 23-63. Online: https://doi.org/10.1007/978-3-031-19730-7
• Hassouna, M.; Amon, T.; Arcidiacono, C.; Bühler, M.; Calvet, S.; Demeyer, P.; DUrso, P.; Estrellés, F.; Häni, C.; Hempel, S.; Janke, D.; Kjosevski, M.; Kupper, J.; Mosquera, J.; Norton, T.; Scheutz, C.; Thygesen Vechi, N.; van Overbeke, P.; Schrade, S. (2023): Chapter 3: Measuring Techniques for Ammonia and Greenhouse Gas Emissions from Naturally Ventilated Housings. In Technology for Environmentally Friendly Livestock Production. In: Technology for Environmentally Friendly Livestock Production. . Springer International Publishing, Cham, p. 23-63. Online: https://link.springer.com/book/10.1007/978-3-031-19730-7
• Janke, D.; Yi, Q.; Hempel, S.; Amon, T. (2022): Direkte Messung der Emissionen aus frei gelüfteten Ställen. In: KTBL(eds.): 15th Conference Construction, Engineering and Environment in Livestock Farming. 15. BTU 2022. KTBL, Darmstadt, p. 169-173.
• Yi, Q.; Janke, D.; Thormann, L.; Hempel, S.; Amon, B.; Amon, T. (2022): Wind tunnel measurements of airflows and gas concentrations downwind a naturally-ventilated pig building model. In: Institute of Thermomechanics Czech Ac. of Sciences(eds.): International Workshop on Physical Modelling of Flow and Dispersion Phenomena 2022. PHYSMOD 2022. Institute of Thermomechanics of the Czech Academy of Sciences, Prag, (ISBN: 78-80-87012-81-9), p. 259-263.
• Zhao, Y.; Sark, V.; Ulbricht, M.; Janke, D.; Hempel, S.; Hoffmann, G.; Amon, T.; Amon, B.; Krstic, M.; Grass, E. (2022): Cattle Urination Behaviour Remote Monitoring using mmWave FMCW RADAR. In: Thomas Scheffler & Christoph Lange (Hrsg.)(eds.): 19. GI/ITG KuVS Fachgespräch Sensornetze. 19. GI/ITG KuVS Fachgespräch Sensornetze. Fachbereich Energie und Information Hochschule für Technik und Wirtschaft Berlin (HTW Berlin), Berlin, p. 47-50. Online: https://www.HTW-Berlin.de doi:10.34702/mncp-qb18
• Sahu, H.; Janke, D.; Amon, T.; Hempel, S. (2022): Investigation of the vertical distribution of ammonia, methane, and carbon dioxide in a naturally ventilated dairy barn - Evaluation of gaseous pollutants concentrations. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 601-609.
• Doumbia, E.; Amon, T.; Hempel, S. (2022): Pressure drop of an animal occupied zone depending on the animals positioning. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 381-386.
• Hempel, S.; Ouatahar, L.; Janke, D.; Amon, T. (2022): A nested semi-mechanistic model to predict the temporal dynamics of ammonia emissions from a solid floor naturally ventilated dairy cattle building - Parameter estimation and associated uncertainties. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 197-202.
• Hempel, S.; Hoffmann, G.; Müschner-Siemens, T.; Heinicke, J.; Pinto, S.; Amon, T. (2020): Diagnostizierte und prognostizierte tierspezifische Hitzestressbelastungen bei steigenden Temperaturen und erhöhter Klimavariabilität. In: Hansen, C.; Tober, O.; Sanftleben, P.(eds.): Beiträge zum Thema Stallklima in der Tierhaltung 2020 Arbeitsgruppe Stallklima und Emissionen der Koordinierungsgruppe Tierhaltung. . Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, Gülzow-Prüzen, (978-3-00-064640-9), p. 28-37. Online: https://www.landwirtschaft-mv.de/serviceassistent/download?id=1626265

Orals and posters [81 Results]

• Balzan, S.; Sahu, H.; Hempel, S.; Amon, T.; Amon, B.; Janke, D. (2024): Uncertainties in the estimation of ammonia and methane emissions using CO2 mass balancing method.
• Hempel, S. (2024): Advancing Dairy Farm Management: Leveraging Data, Models, and Interactive Web Design.
• Hempel, S. (2024): Development of a practical data management system with embedded sensors for improved environmental management and transparency of dairy farming.
• Wu, X.; Janke, D.; Hempel, S.; Amon, T.; Hartung, E.; Yi, Q. (2024): The effect of the wind direction on sampling strategies for measuring ventilation rate in a naturally ventilated pig barn with an outdoor exercise yard.
• Alaei, A.; Kamari, F.; Amon, T.; Janke, D.; Doumbia, E.; Bidaralli, A.; Pham, A.; Hempel, S. (2024): From pixels to airflow: Exploring image similarity methods for barn ventilation analysis.
• Sayeed, M.; Janke, D.; Amon, T.; Amon, B.; Opalinski, S.; Fratczak-Muller, J.; Hempel, S. (2024): Advancing Dairy Farm Management: Leveraging Data, Neural Networks, and Interactive Web Design.
• Janke, D.; Hempel, S.; Amon, B.; Dragoni, F.; Umar, W.; Seyedalmoosavi, S.; Amon, T. (2024): Perspectives on assessment and mitigation livestock emissions from the barn to the system level.
• Hempel, S.; Vu, T.; Doumbia, E.; Yi, Q.; Janke, D.; Amon, T. (2023): Livestock-environment-interaction in naturally ventilated housing on the example of ammonia.
• Alaei, A.; Doumbia, E.; Hempel, S. (2023): Determination of air exchange rates in naturally ventilated barns Validation of prediction Models 2.0.
• Hempel, S.; Vu, T.; Doumbia, E.; Yi, Q.; Janke, D.; Amon, T. (2023): Livestock-environment-interaction in naturally ventilated housing on the example of ammonia.