Articles | Volume 24, issue 4
https://doi.org/10.5194/acp-24-2651-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-2651-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 Feb 2024
Research article |
| 29 Feb 2024
| 29 Feb 2024
The Puy de Dôme ICe Nucleation Intercomparison Campaign (PICNIC): comparison between online and offline methods in ambient air
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Michael P. Adams
School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
Kevin Barry
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Barbara Bertozzi
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
now at: Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, 5232 Villigen, Switzerland
Heinz Bingemer
Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt, Germany
Cristian Boffo
Bilfinger Noell GmbH, 97080 Würzburg, Germany
Yannick Bras
Laboratoire de Météorologie Physique, Université Clermont Auvergne, 63178 Clermont-Ferrand, France
Nicole Büttner
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Dimitri Castarede
Department of Chemistry and Molecular Biology, University of Gothenburg, 40530 Gothenburg, Sweden
Daniel J. Cziczo
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, Indiana 47907, USA
Paul J. DeMott
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Romy Fösig
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Megan Goodell
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Kristina Höhler
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Thomas C. J. Hill
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Conrad Jentzsch
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Luis A. Ladino
Institute for Atmospheric Sciences and Climate Change, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Ezra J. T. Levin
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Stephan Mertes
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Ottmar Möhler
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Kathryn A. Moore
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Benjamin J. Murray
School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
Jens Nadolny
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
Tatjana Pfeuffer
Bilfinger Noell GmbH, 97080 Würzburg, Germany
David Picard
Laboratoire de Météorologie Physique, Université Clermont Auvergne, 63178 Clermont-Ferrand, France
Carolina Ramírez-Romero
Institute for Atmospheric Sciences and Climate Change, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Mickael Ribeiro
Laboratoire de Météorologie Physique, Université Clermont Auvergne, 63178 Clermont-Ferrand, France
Sarah Richter
Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt, Germany
Jann Schrod
Institute for Atmospheric and Environmental Sciences, Goethe University Frankfurt, 60438 Frankfurt, Germany
Karine Sellegri
Laboratoire de Météorologie Physique, Université Clermont Auvergne, 63178 Clermont-Ferrand, France
Frank Stratmann
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Benjamin E. Swanson
Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, USA
Erik S. Thomson
Department of Chemistry and Molecular Biology, University of Gothenburg, 40530 Gothenburg, Sweden
Heike Wex
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
Martin J. Wolf
Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Evelyn Freney
Laboratoire de Météorologie Physique, Université Clermont Auvergne, 63178 Clermont-Ferrand, France
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Cited
15 citations as recorded by crossref.
- A view on recent ice-nucleating particle intercomparison studies: why the uncertainty of the activation temperature matters J. Schrod & H. Bingemer https://doi.org/10.5194/amt-18-2591-2025
- Ice-nucleating particle depletion in the wintertime boundary layer in the pre-Alpine region during stratus cloud conditions K. Ohneiser et al. https://doi.org/10.5194/acp-26-3223-2026
- Evaluation of different sampling methods to determine the ice-nucleating particle concentration in the atmosphere using the GRAnada Ice Nuclei Spectrometer (GRAINS) E. Bazo et al. https://doi.org/10.5194/amt-19-2695-2026
- Ice-nucleating particle concentration impacts cloud properties over Dronning Maud Land, East Antarctica, in COSMO-CLM2 F. Sauerland et al. https://doi.org/10.5194/acp-24-13751-2024
- Reaching new heights: Profiling Upper altitudes For Ice Nucleation (PUFIN) on the Atmospheric Radiation Measurement (ARM) tethered balloon systems J. Creamean et al. https://doi.org/10.5194/amt-19-4601-2026
- Long-term measurements of ice nucleating particles at Atmospheric Radiation Measurement (ARM) sites worldwide J. Creamean et al. https://doi.org/10.5194/essd-17-6943-2025
- Next-generation ice-nucleating particle sampling on board aircraft: characterization of the High-volume flow aERosol particle filter sAmpler (HERA) S. Grawe et al. https://doi.org/10.5194/amt-16-4551-2023
- Nucleation Statistics from Experiments as a Benchmark for Theory and Simulations F. Caupin & R. Grisenti https://doi.org/10.1021/acs.jpclett.5c03082
- High ice-nucleating particle concentrations associated with Arctic haze in springtime cold-air outbreaks E. Raif et al. https://doi.org/10.5194/acp-24-14045-2024
- Multi-seasonal measurements of the ground-level atmospheric ice-nucleating particle abundance on the North Slope of Alaska A. Pantoya et al. https://doi.org/10.5194/ar-3-253-2025
- Measurement of the ice-nucleating particle concentration with the Portable Ice Nucleation Experiment during the Pallas Cloud Experiment 2022 A. Böhmländer et al. https://doi.org/10.5194/essd-17-6165-2025
- Seasonal variations in PM2.5 composition and their effects on CCN activation properties Y. Lu et al. https://doi.org/10.1016/j.atmosenv.2025.121129
- Anthropogenic modulation of dust-dominated ice nucleation in an urban dryland city of China during winter and spring C. Chen et al. https://doi.org/10.5194/acp-26-9017-2026
- Analyzing the chemical composition, morphology, and size of ice-nucleating particles by coupling a scanning electron microscope to an offline diffusion chamber L. Schneider et al. https://doi.org/10.5194/amt-18-5223-2025
- Field intercomparison of ice nucleation measurements: the Fifth International Workshop on Ice Nucleation Phase 3 (FIN-03) P. DeMott et al. https://doi.org/10.5194/amt-18-639-2025
15 citations as recorded by crossref.
- A view on recent ice-nucleating particle intercomparison studies: why the uncertainty of the activation temperature matters J. Schrod & H. Bingemer https://doi.org/10.5194/amt-18-2591-2025
- Ice-nucleating particle depletion in the wintertime boundary layer in the pre-Alpine region during stratus cloud conditions K. Ohneiser et al. https://doi.org/10.5194/acp-26-3223-2026
- Evaluation of different sampling methods to determine the ice-nucleating particle concentration in the atmosphere using the GRAnada Ice Nuclei Spectrometer (GRAINS) E. Bazo et al. https://doi.org/10.5194/amt-19-2695-2026
- Ice-nucleating particle concentration impacts cloud properties over Dronning Maud Land, East Antarctica, in COSMO-CLM2 F. Sauerland et al. https://doi.org/10.5194/acp-24-13751-2024
- Reaching new heights: Profiling Upper altitudes For Ice Nucleation (PUFIN) on the Atmospheric Radiation Measurement (ARM) tethered balloon systems J. Creamean et al. https://doi.org/10.5194/amt-19-4601-2026
- Long-term measurements of ice nucleating particles at Atmospheric Radiation Measurement (ARM) sites worldwide J. Creamean et al. https://doi.org/10.5194/essd-17-6943-2025
- Next-generation ice-nucleating particle sampling on board aircraft: characterization of the High-volume flow aERosol particle filter sAmpler (HERA) S. Grawe et al. https://doi.org/10.5194/amt-16-4551-2023
- Nucleation Statistics from Experiments as a Benchmark for Theory and Simulations F. Caupin & R. Grisenti https://doi.org/10.1021/acs.jpclett.5c03082
- High ice-nucleating particle concentrations associated with Arctic haze in springtime cold-air outbreaks E. Raif et al. https://doi.org/10.5194/acp-24-14045-2024
- Multi-seasonal measurements of the ground-level atmospheric ice-nucleating particle abundance on the North Slope of Alaska A. Pantoya et al. https://doi.org/10.5194/ar-3-253-2025
- Measurement of the ice-nucleating particle concentration with the Portable Ice Nucleation Experiment during the Pallas Cloud Experiment 2022 A. Böhmländer et al. https://doi.org/10.5194/essd-17-6165-2025
- Seasonal variations in PM2.5 composition and their effects on CCN activation properties Y. Lu et al. https://doi.org/10.1016/j.atmosenv.2025.121129
- Anthropogenic modulation of dust-dominated ice nucleation in an urban dryland city of China during winter and spring C. Chen et al. https://doi.org/10.5194/acp-26-9017-2026
- Analyzing the chemical composition, morphology, and size of ice-nucleating particles by coupling a scanning electron microscope to an offline diffusion chamber L. Schneider et al. https://doi.org/10.5194/amt-18-5223-2025
- Field intercomparison of ice nucleation measurements: the Fifth International Workshop on Ice Nucleation Phase 3 (FIN-03) P. DeMott et al. https://doi.org/10.5194/amt-18-639-2025
Saved (final revised paper)
Latest update: 21 Jul 2026
Short summary
Aerosol particles that trigger ice formation in clouds are important for the climate system but are very rare in the atmosphere, challenging measurement techniques. Here we compare three cloud chambers and seven methods for collecting aerosol particles on filters for offline analysis at a mountaintop station. A general good agreement of the methods was found when sampling aerosol particles behind a whole air inlet, supporting their use for obtaining data that can be implemented in models.
Aerosol particles that trigger ice formation in clouds are important for the climate system but...
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