Dr. Silvia Henning

Leibniz Institute for

Tropospheric Research

Permoserstraße 15

04318 Leipzig


Phone: +49 341 2717-7321

Mail: henning@tropos.de  

Room: 001 (Geb. 23.3)









Atmospheric Microphysics


Research areas & research interest:

Cloud microphysics and aerosol-cloud interactions


Current projects:

  • VACCINE (Variation of Antarctic Cloud Condensation (CCN) and Ice Nucleating Particle (INP) concentrations and properties at NEumayer Station compared to their values in the Arctic at Villum Research Station)
  • ACORES (Vertical CCN distribution in a marine environment)
  • ACE-SPACE (Study of Preindustrial-like Aerosol-Climate Effects)
  • ACTRIS (In-situ CCN measurements at TROPOS field station Melpitz)


Finished projects:

  • Hygroscopic particle growth at temperatures below freezing point of water
  • HCCT-2010 (Hill Cap Cloud Thuringia 2010)
  • HaChi (Haze in China)
  • LExNO (LACIS Experiment in November)
  • CLACE (Cloud and Aerosol Characterization Experiment at Jungfraujoch, CH)
  • ACE-2 (In-situ measurements of aerosol particle number size distributions at Mt. Fóia, Pt)



Curriculum vitae

Research Experience

since 02/2005  Postdoc at Leibniz-Institute for Tropospheric Research (TROPOS) Leipzig, Topic: Investigation of aerosol-cloud interaction in lab and field experiments

04/2003–12/2004 Postdoc at the University of Copenhagen, Denmark (first year supported by the Swiss National Science Foundation), Topic: Investigation of organic aerosol particles with respect to their cloud activation properties

01/1999–03/2003 Scientist at the Paul Scherrer Institut (Villigen), Switzerland, Topic: Partitioning of the atmospheric aerosol between aerosol and cloud phase at the high-alpine site Jungfraujoch (3454 m asl, Switzerland), chemical composition of the water-soluble fraction of the high-alpine aerosol


Academic qualification  

10/2002 PhD Natural Sciences

01/1999-10/2002 PhD student at the Paul Scherrer Institut and University of Bern, Switzerland

12/1998 Graduated as Diplom Meteorologin

11/1997-11/1998 Diploma work at Institute for Tropospheric Research, Leipzig, Germany

10/1993-12/1998 Diploma student in Meteorology, University of Leipzig, Germany





Wang, Y., Henning, S., Poulain, L., Lu, C., Stratmann, F., Wang, Y., Niu, S., Pöhlker, M. L., Herrmann, H., and Wiedensohler, A.: Aerosol activation characteristics and prediction at the central European ACTRIS research station Melpitz, Germany, Atmos. Chem. Phys. Discuss. [preprint], doi.org/10.5194/acp-2022-427, in review, 2022.

Gong, X., Radenz, M., Wex, H., Seifert, P., Ataei, F., Henning, S., Baars, H., Barja, B., Ansmann, A., and Stratmann, F.: Significant continental source of ice-nucleating particles at the tip of Chile’s southernmost Patagonia region, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2022-71, in review, 2022.

Cheng, Z., M. Morgenstern, B. Zhang, M. Fraund, N. N. Lata, R. Brimberry, M. A. Marcus, L. Mazzoleni, P. Fialho, S. Henning, B. Wehner, C. Mazzoleni, and S. China (2022), Particles' phase state variability in the North Atlantic free troposphere during summertime determined by different atmospheric transport patterns and sources, Atmos. Chem. Phys., 1-38, doi:10.5194/acp-2022-84.

Tatzelt, C., S. Henning, A. Welti, A. Baccarini, M. Hartmann, M. Gysel-Beer, M. van Pinxteren, R. L. Modini, J. Schmale, and F. Stratmann (2022), Circum-Antarctic abundance and properties of CCN and INP, Atmos. Chem. Phys., doi: doi.org/10.5194/acp-2021-700.

Gong, X., H. Wex, T. Müller, S. Henning, J. Voigtländer, A. Wiedensohler, and F. Stratmann (2022), Understanding aerosol microphysical properties from 10 years of data collected at Cabo Verde based on an unsupervised machine learning classification, Atmospheric Chemistry and Physics, 22(8), 5175-5194, doi:10.5194/acp-22-5175-2022.

Dunker, S., M. Boyd, W. Durka, S. Erler, S. Harpole, S. Henning, U. Herzschuh, T. Hornick, T. Knight, S. Lips, P. Mäder, E. M. Švara, S. Mozarowski, D. Rakosy, C. Römermann, M. Schmitt-Jansen, K. Stoof-Leichsenring, F. Stratmann, R. Treudler, R. Virtanen, K. Wendt-Potthoff, and C. Wilhelm (2022), The potential of multispectral imaging flow cytometry for environmental monitoring, Cytometry Part A, doi:10.1002/cyto.a.24658.


Landwehr, S., M. Volpi, F. A. Haumann, C. M. Robinson, I. Thurnherr, V. Ferracci, A. Baccarini, J. Thomas, I. Gorodetskaya, C. Tatzelt, S. Henning, R. L. Modini, H. J. Forrer, Y. Lin, N. Cassar, R. Simó, C. Hassler, A. Moallemi, S. E. Fawcett, N. Harris, R. Airs, M. H. Derkani, A. Alberello, A. Toffoli, G. Chen, P. R. Ros, M. Zamanillo, P. Cortés-Greus, L. Xue, C. G. Bolas, K. C. Leonard, F. Perez-Cruz, D. Walton, and J. Schmale (2021), Exploring the coupled ocean and atmosphere system with a data science approach applied to observations from the Antarctic Circumnavigation Expedition, Earth System Dynamics, 12(4), 1295-1369, doi:10.5194/esd-12-1295-2021.

Baccarini, A., J. Dommen, K. Lehtipalo, S. Henning, R. L. Modini, M. Gysel-Beer, U. Baltensperger, and J. Schmale (2021), Low-volatility vapors and new particle formation over the Southern Ocean during the Antarctic Circumnavigation Expedition, Earth and Space Science Open Archive doi: https://www.essoar.org/doi/10.1002/essoar.10506899.1.

Siebert, H., et al. (2020), Observations of aerosol, cloud, turbulence, and radiation properties at the top of the marine boundary layer over the Eastern North Atlantic Ocean: The ACORES campaign, Bull. Am. Meteorol. Soc., 1-59, doi:10.1175/bams-d-19-0191.1.

Moallemi, A., S. Landwehr, C. Robinson, R. Simó, M. Zamanillo, G. Chen, A. Baccarini, M. Schnaiter, S. Henning, R. L. Modini, M. Gysel-Beer, and J. Schmale (2021), Sources, Occurrence and Characteristics of Fluorescent Biological Aerosol Particles Measured Over the Pristine Southern Ocean, Journal of Geophysical Research: Atmospheres, 126(11), e2021JD034811, doi: doi.org/10.1029/2021JD034811.



Genz, C., R. Schrödner, B. Heinold, S. Henning, H. Baars, G. Spindler, and I. Tegen (2019), Estimation of Cloud Condensation Nuclei number concentrations and comparison to in-situ and lidar observations during the HOPE experiments, Atmos. Chem. Phys. Discuss., 2019, 1-24, doi:10.5194/acp-2019-742.

Gong, X. D., H. Wex, J. Voigtlander, K. W. Fomba, K. Weinhold, M. van Pinxteren, S. Henning, T. Muller, H. Herrmann, and F. Stratmann (2020), Characterization of aerosol particles at Cabo Verde close to sea level and at the cloud level - Part 1: Particle number size distribution, cloud condensation nuclei and their origins, Atmospheric Chemistry and Physics, 20(3), 1431-1449, doi:10.5194/acp-20-1431-2020.

Regayre, L. A., J. Schmale, J. S. Johnson, C. Tatzelt, A. Baccarini, S. Henning, M. Yoshioka, F. Stratmann, M. Gysel-Beer, and K. S. Carslaw (2019), The value of remote marine aerosol measurements for constraining radiative forcing uncertainty, Atmos. Chem. Phys. Discuss., 2019, 1-11, doi:10.5194/acp-2019-1085.

Welti, A., et al. (2020), Ship-based measurements of ice nuclei concentrations over the Arctic, Atlantic, Pacific and Southern Ocean, Atmos. Chem. Phys. Discuss., 2020, 1-22, doi:10.5194/acp-2020-466.



Schmale, J., et al. (2019), Overview of the Antarctic Circumnavigation Expedition: Study of Preindustrial-like Aerosols and Their Climate Effects (ACE-SPACE), Bull. Am. Meteorol. Soc., 100(11), 2260-2283, doi:10.1175/bams-d-18-0187.1.

Kecorius, S., et al. (2019), New particle formation and its effect on CCN abundance in the summer Arctic: a case study during PS106 cruise, Atmos. Chem. Phys. Discuss., 2019, 1-41, doi:10.5194/acp-2019-600.



Schmale, J., et al. (2018), Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories, Atmospheric Chemistry and Physics, 18(4), 2853-2881, doi:10.5194/acp-18-2853-2018.

Herenz, P., H. Wex, S. Henning, T. B. Kristensen, F. Rubach, A. Roth, S. Borrmann, H. Bozem, H. Schulz, and F. Stratmann (2018), Measurements of aerosol and CCN properties in the Mackenzie River delta (Canadian Arctic) during spring-summer transition in May 2014, Atmospheric Chemistry and Physics, 18(7), 4477-4496, doi: 10.5194/acp-18-4477-2018.

Dusing, S., B. Wehner, P. Seifert, A. Ansmann, H. Baars, F. Ditas, S. Henning, N. Ma, L. Poulain, H. Siebert, A. Wiedensohler, and A. Macke (2018), Helicopter-borne observations of the continental background aerosol in combination with remote sensing and ground-based measurements, Atmospheric Chemistry and Physics, 18(2), 1263-1290, doi: 10.5194/acp-18-1263-2018.



Schmale, J., et al. (2017), Data Descriptor: Collocated observations of cloud condensation nuclei, particle size distributions, and chemical composition, Scientific Data, 4, doi:10.1038/sdata.2017.3.

Reddington, C. L., et al. (2017), The Global Aerosol Synthesis And Science Project (GASSP): Measurements and Modeling to Reduce Uncertainty, Bull. Am. Meteorol. Soc., 98(9), 1857-1877, doi: 10.1175/bams-d-15-00317.1.



Wex, H., K. Dieckmann, G. C. Roberts, T. Conrath, M. A. Izaguirre, S. Hartmann, P. Herenz, M. Schäfer, F. Ditas, T. Schmeissner, S. Henning, B. Wehner, H. Siebert, and F. Stratmann (2016), Aerosol arriving on the Caribbean island of Barbados: Physical properties and origin, Atmos. Chem. Phys.,16(22):14107-30, 2016



Harris, E., Sinha, B., van Pinxteren, D., Schneider, J., Poulain, L., Collett, J., D'Anna, B., Fahlbusch, B., Foley, S., Fomba, K. W., George, C., Gnauk, T., Henning, S., Lee, T., Mertes, S., Roth, A., Stratmann, F., Borrmann, S., Hoppe, P., and Herrmann, H.: In-cloud sulfate addition to single particles resolved with sulfur isotope analysis during HCCT-2010, Atmos. Chem. Phys., 14, 4219-4235, doi:10.5194/acp-14-4219-2014, 2014.

Henning, S., Dieckmann, K., Ignatius, K., Schäfer, M., Zedler, P., Harris, E., Sinha, B., van Pinxteren, D., Mertes, S., Birmili, W., Merkel, M., Wu, Z., Wiedensohler, A., Wex, H., Herrmann, H., and Stratmann, F.: Influence of cloud processing on CCN activation behaviour in the Thuringian Forest, Germany during HCCT-2010, Atmos. Chem. Phys., 14, 7859-7868, doi:10.5194/acp-14-7859-2014, 2014.


Wu, Z. J., Poulain, L., Henning, S., Dieckmann, K., Birmili, W., Merkel, M., van Pinxteren, D., Spindler, G., Müller, K., Stratmann, F., Herrmann, H. and Wiedensohler, A. (2013) Relating particle hygroscopicity and ccn activity to chemical composition during the HCCT-2010 field campaign. Atmos. Chem. Phys. Discuss. 13, 7643–7680.


Henning, S., Ziese, M., Kiselev, A., Saathoff, H., Möhler, O., Mentel, T., Buchholz, A., Spindler, C., Michaud, V., Monier, M., Sellegri, K. and Stratmann, F. (2012) Hygroscopic growth and droplet activation of soot particles: uncoated, succinic or sulfuric acid coated. Atmospheric Chemistry and Physics 11, 4525–4537.


Deng, Z. Z., Zhao, C. S., Ma, N., Liu, P. F., Ran, L., Xu, W. Y., Chen, J., Liang, Z., Liang, S., Huang, M. Y., Ma, X. C., Zhang, Q., Quan, J. N., Yan, P., Henning, S., Mildenberger, K., Sommerhage, E., Schafer, M., Stratmann, F. and Wiedensohler, A. (2011) Size-resolved and bulk activation properties of aerosols in the north china plain. Atmospheric Chemistry and Physics 11, 3835–3846.

Liu, P. F., Zhao, C. S., Gobel, T., Hallbauer, E., Nowak, A., Ran, L., Xu, W. Y., Deng, Z. Z., Ma, N., Mildenberger, K., Henning, S., Stratmann, F. and Wiedensohler, A. (2011) Hygroscopic properties of aerosol particles at high relative humidity and their diurnal variations in the north china plain. Atmospheric Chemistry and Physics 11, 3479–3494.

Ma, N., Zhao, C. S., Nowak, A., Muller, T., Pfeifer, S., Cheng, Y. F., Deng, Z. Z., Liu, P. F., Xu, W. Y., Ran, L., Yan, P., Gobel, T., Hallbauer, E., Mildenberger, K., Henning, S., Yu, J., Chen, L. L., Zhou, X. J., Stratmann, F. and Wiedensohler, A. (2011) Aerosol optical properties in the north china plain during hachi campaign: an in-situ optical closure study. Atmospheric Chemistry and Physics 11, 5959–5973.


Fors, E. O., Rissler, J., Massling, A., Svenningsson, B., Andreae, M. O., Dusek, U., Frank, G. P., Hoffer, A., Bilde, M., Kiss, G., Janitsek, S., Henning, S., Facchini, M. C., Decesari, S. and Swietlicki, E. (2010) Hygroscopic properties of amazonian biomass burning and european background hulis and investigation of their effects on surface tension with two models linking h-tdma to ccnc data. Atmospheric Chemistry and Physics 10, 5625–5639.

Henning, S., Wex, H., Hennig, T., Kiselev, A., Snider, J., Rose, D., Dusek, U., Frank, G. P., Pöschl, U., Kristensson, A., Bilde, M., Tillmann, R., Kiendler-Scharr, A., Mentel, T. F., Walter, S., Schneider, J., Wennrich, C. and Stratmann, F. (2010) Soluble mass, hygroscopic growth and droplet activation of coated soot particles during LExNo. Journal of Geophysical Research Atmospheres 115, doi:10.1029/2009JD012626.

Kiselev, A., Wennrich, C., Stratmann, F., Wex, H., Henning, S., Mentel, T. F., Kiendler-Scharr, A., Schneider, J., Walter, S. and Lieberwirth, I. (2010) Morphological characterization of soot aerosol particles during lacis experiment in november (lexno). Journal of Geophysical Research-Atmospheres 115.

Snider, J. R., Wex, H., Rose, D., Kristensson, A., Stratmann, F., Hennig, T., Henning, S., Kiselev, A., Bilde, M., Burkhart, M., Dusek, U., Frank, G. P., Kiendler-Scharr, A., Mentel, T. F., Petters, M. D. and Poschl, U. (2010) Intercomparison of cloud condensation nuclei and hygroscopic fraction measurements: Coated soot particles investigated during the lacis experiment in november (lexno). Journal of Geophysical Research-Atmospheres 115.

Stratmann, F., Bilde, M., Dusek, U., Frank, G. P., Hennig, T., Henning, S., Kiendler-Scharr, A., Kiselev, A., Kristensson, A., Lieberwirth, I., Mentel, T. F., Poschl, U., Rose, D., Schneider, J., Snider, J. R., Tillmann, R., Walter, S. and Wex, H. (2010) Examination of laboratory-generated coated soot particles: An overview of the lacis experiment in november (lexno) campaign. Journal of Geophysical Research-Atmospheres 115.

Wex, H., McFiggans, G., Henning, S. and Stratmann, F. (2010) Influence of the external mixing state of atmospheric aerosol on derived ccn number concentrations. Geophysical Research Letters 37, doi:10.1029/2010GL043337.


Juranyi, Z., Gysel, M., Duplissy, J., Weingartner, E., Tritscher, T., Dommen, J., Henning, S., Ziese, M., Kiselev, A., Stratmann, F., George, I., Baltensperger, U. (2009) Influence of gas-to-particle partitioning on the hygroscopic and droplet activation behaviour of alpha-pinene secondary organic aerosol Phys. Chem. Chem. Phys., 11, 8091-8097.


Cozic, J., Verheggen, B., Weingartner, E., Crosier, J., Bower, K. N., Flynn, M. J., Coe, H., Henning, S., Steinbacher, M., Henne, S., Coen, M. C., Petzold, A. and Baltensperger, U. (2008) Chemical composition of free tropospheric aerosol for PM1 and coarse mode at the high alpine site Jungfraujoch. Atmospheric Chemistry and Physics 8, 407–423.


Coen, M. C., Weingartner, E., Nyeki, S., Cozic, J., Henning, S., Verheggen, B., Gehrig, R. and Baltensperger, U. (2007) Long-term trend analysis of aerosol parameters at the high alpine site Jungfraujoch. Journal of Geophysical Research p. doi: 10.1029/2006JD007995.

Wex, H., Ziese, M., Kiselev, A., Henning, S. and Stratmann, F. (2007b) Deliquescence and hygroscopic growth of succinic acid particles measured with LACIS. Geophysical Research Letters 34, doi: 10.1029/2007GL030185.

Wex, H., Hennig, T., Salma, I., Ocskay, R., Kiselev, A., Henning, S., Massling, A., Wiedensohler, A. and Stratmann, F. (2007a) Hygroscopic growth and measured and modeled critical super-saturations of an atmospheric HULIS sample. Geophysical Research Letters 34, doi:10.1029/2006GL028260.


Henning, S., Rosenørn, T., D’Anna, B., Gola, A. A.,  Svenningsson, B. and Bilde, M. (2005) Cloud droplet activation and surface tension of mixtures of slightly soluble organics and inorganic salt. Atmospheric Chemistry and Physics 5, doi:10.5194/acp–5–575–2005.

Hinz, K. P., Trimborn, A., Weingartner, E., Henning, S., Baltensperger, U. and Spengler, B. (2005) Aerosol single particle composition at the Jungfraujoch. Journal of Aerosol Science 36, 123–145.


Coen, M. C., Weingartner, E., Schaub, D., Hueglin, C., Corrigan, C., Henning, S., Schwikow-ski, M. and Baltensperger, U. (2004) Saharan dust events at the Jungfraujoch: detection by wavelength dependence of the single scattering albedo and first climatology analysis. Atmospheric Chemistry and Physics 4, 2465–2480.

Henning, S., Bojinski, S., Diehl, K., Ghan, S., Nyeki, S., Weingartner, E., Wurzler, S. and Baltensperger, U. (2004) Aerosol partitioning in natural mixed-phase clouds. Geophysical Research Letters 31, doi:10.1029/2003GL019025.

Sorjamaa, R., Svenningsson, B., Raatikainen, T., Henning, S., Bilde, M. and Laaksonen, A. (2004) The role of surfactants in Köhler theory reconsidered. Atmospheric Chemistry and Physics 4, 2107–2117.


Henning, S., Weingartner, E., Schwikowski, M., Gäggeler, H. W., Gehrig, R., Hinz, K.-P., Trimborn, A., Spengler, B. and Baltensperger, U. (2003) Seasonal variation of the water soluble ions of the aerosol at the high-alpine site Jungfraujoch (3580 m asl). J. Geophys. Res. 108,  10.1029/2002JD002439.

Nessler, R., Bukowiecki, N., Henning, S., Weingartner, E., Calpini, B. and Baltensperger, U. (2003) Simultaneous dry and ambient measurements of aerosol size distributions at the Jungfraujoch. Tellus 55B, 808–819.


Henning, S., Weingartner, E., Schmidt, S., Wendisch, M., Gäggeler, H. W. and Baltensperger, U. (2002) Size-dependent aerosol activation at the high-alpine site Jungfraujoch (3580m asl). Tellus 54B, 82–95.

Silva, A. M., Bugalho, M. L., Costa, M. J., von Hoyningen Huene, W., Schmidt, T., Heintzenberg, J. and Henning, S. (2002) Aerosol optical properties from columnar data during ACE-2 at the south coast of Portugal. J. Geophys. Res. 107, 10.1029/2002JD002196.

Henning, S. (2002) Aerosol and Cloud Microphysics at the High-Alpine Site Jungfraujoch
(3580 m asl). Phd, University of Berne, Switzerland.


Henning, S. (1998) Aerosolgrössenverteilungen im Übergangsbereich zwischen freier Troposphäre und planetarer Grenzschicht. Diplom, University of Leipzig, Germany.


since 07/1999 Member of German Aerosol Foundation (GAeF)