EGU23-4564, updated on 12 Apr 2023
https://doi.org/10.5194/egusphere-egu23-4564
EGU General Assembly 2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Measurements of ammonia in ambient air and over a controlled artificial source during the AMICA field campaign at a rural site in the Ile-de-France region

Pascale Chelin1, Sylvain Caville1,7, Nadir Guendouz3, Vincent Michoud2, Antonin Bergé1, Alain Fortineau4, Céline Decuq4, Pauline Buysse4, Benjamin Loubet4, Baptiste Esnault4, Sophie Génermont4, Raluca Ciuraru4, Michel Burban4, Jérémie Depuydt4, Brigitte Durand4, Camille Viatte3, Cristelle Cailteau-Fischbach3, Jean-Eudes Petit5, Sabine Crunaire6, Pablo Espina6, Nathalie Redon6, Lilian Joly7, Julien Cousin7, Florian Parent7, Jean-Louis Bonne7, Christophe Flechard8, Yannick Fauvel8, Anne-Claude Romain9, and Marie Scheuren9
Pascale Chelin et al.
  • 1Univ Paris Est Creteil and Université de Paris Cité, CNRS, LISA, F-94010 Créteil, France.
  • 2Université de Paris Cité and Univ Paris Est Creteil, CNRS, LISA, F-75013 Paris,
  • 3LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, France
  • 4UMR ECOSYS, INRAE, AgroParisTech, Université Paris-Saclay, 78850, Thiverval-Grignon, France.
  • 5Laboratoire des Sciences du Climat et de l’Environnement, LSCE, UMR CNRS-CEA-UVSQ, IPSL, 91191 Gif-sur-Yvette, Île-de-France, France
  • 6IMT Nord Europe, Institut Mines-Telecom, Univ. Lille, Centre d'Enseignement, de Recherche et d'Innovation Énergie Environnement, 59000 Lille, France
  • 7GSMA, UMR CNRS 7331, U.F.R. Sciences Exactes et Naturelles, Université de Reims, Reims, France
  • 8Institut National de la Recherche en Agriculture, Alimentation et Environnement (INRAE), UMR 1069 SAS, 65 rue de Saint-Brieuc, 35042 Rennes, France
  • 9Sensing of Atmospheres and Monitoring (SAM), Department of Environmental Sciences and Management, University of Liege, - Avenue de Longwy 185, 6700 Arlon (Belgium)

Ammonia is an atmospheric pollutant precursor of inorganic fine particles (sulphate and ammonium nitrate particles) that are particularly harmful to human health. Ammonia and particulate matter (PM) are responsible for severe pollution outbreaks over Europe (LCSQA, LCSQA 2019), during springtime of 2012 (Kutzner et al., 2021), 2014 (Fortems-Cheiney et al., 2016), 2015 (Petit et al., 2017), 2016 (Tournadre et al., 2020: Viatte et al., 2020) and 2020 (Viatte et al., 2021). Despite this major societal and scientific interest, there is a crucial lack of routine ammonia and aerosol speciation observations. One of the scientific reasons comes from the difficulty to measure atmospheric ammonia due to its sticky, volatile, and reactive nature (von Bobrutzki et al., 2010).

The objective of the Multi-Instrumental Analysis of Ammonia Concentrations (AMICA) project is to compare the response of different available systems for measuring atmospheric ammonia at a rural site in the Île-de-France region. The 14 instruments based on different NH3 measurement techniques are compared over a wide range of ammonia concentrations from ambient atmospheric to boosted concentrations (10 to 600 ppbv) using an innovative 400 m2 ammonia emission system. They are all synchronized with a cross-correlation function based on the median value. At elevated concentrations all inlet-based instruments sampling to the same manifold performed very well on precision, even at high temporal resolution monitoring (1 min) that highlights a great progress for current in situ NH3 analysers. By comparing with the data from a mini Differential Optical Absorption Spectrometer (miniDOAS) and a sequential acid trap-IC (ROSAA), we demonstrated that inlet design perturbs the response time of the instruments connected to the manifold, which was already mentioned in literature. This measurement campaign is part of a series of ammonia projects that have recently taken place in France.

References

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How to cite: Chelin, P., Caville, S., Guendouz, N., Michoud, V., Bergé, A., Fortineau, A., Decuq, C., Buysse, P., Loubet, B., Esnault, B., Génermont, S., Ciuraru, R., Burban, M., Depuydt, J., Durand, B., Viatte, C., Cailteau-Fischbach, C., Petit, J.-E., Crunaire, S., Espina, P., Redon, N., Joly, L., Cousin, J., Parent, F., Bonne, J.-L., Flechard, C., Fauvel, Y., Romain, A.-C., and Scheuren, M.: Measurements of ammonia in ambient air and over a controlled artificial source during the AMICA field campaign at a rural site in the Ile-de-France region, EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-4564, https://doi.org/10.5194/egusphere-egu23-4564, 2023.