Dr. Heike Wex

Leibniz-Institut für Troposphärenforschung e.V.

Permoserstraße 15

04318 Leipzig

Telefon: +49 341 2717-7146

Raum: 0.10 (Geb. 23.3)

Mail: wex[at]tropos.de


ResearcherID : X-5882-2018

ORCID-ID : 0000-0003-2129-9323



Wissenschaftliche Mitarbeiterin



Atmosphärische Mikrophysik



[ Foto: Martin Neuhof, für sein Projekt Herzkampf ]


Wissenschaftliche Interessensgebiete: 

experimentelle Untersuchungen & theoretische Beschreibung von


- hygroskopisches Wachstum bis hin zu hohen relativen Feuchten (>99% RH)

- Partikelaktivierung zu Wolkentropfen

- heterogene Eisnukleationsprozesse

- atmosphärische Aerosolpartikel als Keime für Wolkentropfen und Eisnukleation


zusätzliche Interessensgebiete:

Klimaschutz, aktiv bei Scientists for Future, Leipzig - denn der Klimawandel schreitet voran



seit 2021: Vize-Präsidentin der ICCP (International Commission on Clouds and Precipitation)


(mehr zu aktuellen Projekten, abgeschlossenen Projekten und Lebenslauf nach den Publikationen)




Dall'Osto, M., A. Sotomayor-Garcia, M. Cabrera-Brufau, E. Berdalet, D. Vaqué, S. Zeppenfeld, M. van Pinxteren, H. Herrmann, H. Wex, M. Rinaldi, M. Paglione, D. Beddows, R. Harrison, C. Avila, R. P. Martin-Martin, J. Park, and B. Andrés (2022), Leaching material from Antarctic seaweeds and penguin guano affects cloud-relevant aerosol production, Sci. Total Environ., STOTEN-D-21-29907R1, doi:10.1016/j.scitotenv.2022.154772.

Dall'Osto, M., D. Vaque, A. Sotomayor-Garcia, M. Cabrera Brufau, M. Estrada, T. Buchaca, M. Soler, S. Nunes, S. Zeppenfeld, M. van Pinxteren, H. Herrmann, H. Wex, M. Rinaldi, M. Paglione, D. Beddows, R. M. Harrison, and E. Berdalet (2022), Sea ice microbiota in the Antarctic Peninsula modulates cloud-relevant sea spray aerosol production, Front. Mar. Sci., 9, Article 827061, doi:10.3389/fmars.2022.827061.

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, Atmos. Chem. Phys., 22, 5175–5194, doi:10.5194/acp-22-5175-2022.

Gong, X., M. Radenz, H. Wex, P. Seifert, F. Ataei, S. Henning, H. Baars, B. Barja, A. Ansmann, and F. Stratmann (2022), Significant continental source of ice-nucleating particles at the tip of Chile’s southernmost Patagonia region, Atmos. Chem. Phys., 22, 10505–10525, doi:10.5194/acp-22-10505-2022.

Hartmann, S., M. L. Ling, L. S. A. Dreyer, A. Zipori, K. Finster, S. Grawe, L. Z. Jensen, S. Borck, N. Reicher, T. Drace, D. Niedermeier, N. C. Jones, S. V. Hoffmann, H. Wex, Y. Rudich, T. Boesen, and T. Santl-Temkiv (2022), Structure and protein-protein interactions of ice nucleation proteins drive their activity, Front. Microbiol., 13, doi:10.3389/fmicb.2022.872306.

Sze, K. C. H., H. Wex, M. Hartmann, H. Skov, A. Massling, D. Villanueva, and F. Stratmann (2022), Ice Nucleating Particles in Northern Greenland: annual cycles, biological contribution and parameterizations, Atmos. Chem. Phys. Discuss., doi:10.5194/acp-2022-761.

van Pinxteren, M., T.-B. Robinson, S. Zeppenfeld, X. Gong, E. Bahlmann, K. W. Fomba, N. Triesch, F. Stratmann, O. Wurl, A. Engel, H. Wex, and H. Herrmann (2022), High number concentrations of transparent exopolymer particles in ambient aerosol particles and cloud water – A case study at the tropical Atlantic Ocean, Atmos. Chem. Phys., 22, 5725–5742, doi:10.5194/acp-22-5725-2022.

Wendisch, M. et al. (2022), Atmospheric and surface processes, and feedback mechanisms determining Arctic Amplification: A review of first results and prospects of the (AC)³ project, Bull. Amer. Meteor. Soc., doi:10.1175/BAMS-D-21-0218.1.



Chen, J., Z. Wu, X. Zhao, Y. Wang, J. Chen, Y. Qiu, T. Zong, H. Chen, B. Wang, P. Lin, W. Liu, S. Guo, M. Yao, L. Zeng, H. Wex, X. Liu, M. Hu, and S.-M. Li (2021), Atmospheric humic-like substances (HULIS) act as ice-nucleating particles, Geophys. Res. Lett., 48, doi:10.1029/2021GL092443.

Hartmann, M., X. Gong, S. Kecorius, M. van Pinxteren, T. Vogl, A. Welti, H. Wex, S. Zeppenfeld, H. Herrmann, A. Wiedensohler, and F. Stratmann (2021), Terrestrial or marine? – Indications towards the origin of Ice Nucleating Particles during melt season in the European Arctic up to 83.7°N, Atmos. Chem. Phys., 21, 11613-11636, doi:10.5194/acp-21-11613-2021.

Triesch, N., M. van Pinxteren, S. Frka, C. Stolle, T. Spranger, E. H. Hoffmann, X. Gong, H. Wex, D. Schulz-Bull, B. Gašparović, and H. Herrmann (2021), Concerted measurements of lipids in seawater and on submicron aerosol particles at the Cape Verde Islands: biogenic sources, selective transfer and high enrichments Atmos. Chem. Phys., 21, 4267-4283, doi:10.5194/acp-21-4267-2021.

Zeppenfeld, S., M. van Pinxteren, D. van Pinxteren, H. Wex, E. Berdalet, D. Vaqué, M. Dall’Osto, and H. Herrmann (2021), Aerosol marine primary carbohydrates and atmospheric transformation in the western Antarctic peninsula, ACS Earth Space Chem., 5, 1032-1047, doi:10.1021/acsearthspacechem.0c00351.



Clemen, H. C., Schneider, J., Klimach, T., Helleis, F., Köllner, F., Hünig, A., Rubach, F., Mertes, S., Wex, H., Stratmann, F., Welti, A., Kohl, R., Frank, F., and Borrmann, S. (2020), Optimizing the detection, ablation and ion extraction efficiency of a single particle laser ablation mass spectrometer for application in environments with low aerosol particle concentrations, Atmos. Meas. Tech., 13, 5923-5953, doi:10.5194/amt-13-5923-2020.

Gong, X., H. Wex, J. Voigtländer, K. W. Fomba, K. Weinhold, M. van Pinxteren, S. Henning, T. Müller, H. Herrmann, and F. Stratmann (2020), Characterization of aerosol particles at Cape Verde close to sea and cloud level heights-Part 1: particle number size distribution, cloud condensation nuclei and their origins, Atmos. Chem. Phys., 20, 1431–1449, doi: 10.5194/acp-20-1431-2020.

Gong, X., H. Wex, M. van Pinxteren, N. Triesch, K. W. Fomba, J. Lubitz, C. Stolle, B. Robinson, T. Müller, H. Herrmann, and F. Stratmann (2020), Characterization of aerosol particles at Cape Verde close to sea and cloud level heights - Part 2: ice nucleating particles in air, cloud and seawater, Atmos. Chem. Phys., 20, 1451-1468, doi:10.5194/acp-20-1451-2020.

Hartmann, M., K. Adachi, O. Eppers, C. Haas, A. Herber, R. Holzinger, A. Hünerbein, E. Jäkel, C. Jentzsch, M. van Pinxteren, S. Willmes, H. Wex, and F. Stratmann (2020), Wintertime airborne measurements of ice nucleating particles in the high Arctic: a hint to a marine, biogenic source for Ice Nucleating Particles, Geophys. Res. Lett., 47, e2020GL087770, doi:10.1029/2020GL087770.

van Pinxteren, M., et al. (2020), Marine organic matter in the remote environment of the Cape Verde Islands – An introduction and overview to the MarParCloud campaign, Atmos. Chem. Phys., 20, 6921-6951, doi:10.5194/acp-20-6921-2020.



Gong, X., H. Wex, T. Müller, A. Wiedensohler, K. Höhler, K. Kandler, N. Ma, B. Dietel, T. Schiebel, O. Möhler, and F. Stratmann (2019), Characterization of aerosol properties at Cyprus, focusing on cloud condensation nuclei and ice-nucleating particles, Atmos. Chem. Phys., 19, 10883-10900, doi:10.5194/acp-19-10883-2019.

Hartmann, M., T. Blunier, S. O. Brügger, J. Schmale, M. Schwikowski, A. Vogel, H. Wex, and F. Stratmann (2019), Variation of ice nucleating particles in the European Arctic over the last centuries, Geophys. Res. Lett., 46, doi:10.1029/2019GL082311.

Herenz, P., H. Wex, A. Mangold, Q. Laffineur, I. V. Gorodetskaya, Z. L. Flemming, M. Panagi, and F. Stratmann (2019), CCN measurements at the Princess Elisabeth Antarctica Research Station during three austral summers, Atmos. Chem. Phys., 19, 275-294, doi:10.5194/acp-19-275-2019.

Hiranuma, N., et al. (2019), A comprehensive characterization of ice nucleation by three different types of cellulose particles immersed in water, Atmos. Chem. Phys., 19, 4823-4849, doi:10.5194/acp-19-4823-2019.

Kecorius, S., T. Vogl, P. Paasonen, J. Lampilahti, D. Rothenberg, H. Wex, S. Zeppenfeld, M. van Pinxteren, M. Hartmann, S. Henning, X. Gong, A. Welti, M. Kulmala, F. Stratmann, H. Herrmann, and A. Wiedensohler (2019), New particle formation and its effect on CCN abundance in the summer Arctic: a case study in the Fram Strait and Barents Sea, Atmos. Chem. Phys., 19, 14339-14364, doi:10.5194/acp-19-14339-2019.

Lange, R., M. Dall’Osto, H. Wex, H. Skov, and A. Massling (2019), Large summer contribution of organic biogenic aerosols to Arctic cloud condensation nuclei, Geophys. Res. Lett., 46, doi:10.1029/2019GL084142.

Šantl-Temkiv, T., R. Lange, D. Beddows, U. Rauter, S. Pilgaard, M. Dall’Osto, N. Gunde-Cimerman, A. Massling, and H. Wex (2019), Biogenic sources of Ice Nucleation Particles at the high arctic site Villum Research Station, Environ. Sci. Technol., 53, 10580-10590, doi:10.1021/acs.est.9b00991.

Wendisch, M., et al. (2019), The Arctic cloud puzzle: Using ACLOUD/PASCAL multi-platform observations to unravel the role of clouds and aerosol particles in Arctic Amplification, BAMS, doi:10.1175/BAMS-D-18-0072.1.

Wex, H., L. Huang, W. Zhang, H. Hung, R. Traversi, S. Becagli, R. J. Sheesley, C. E. Moffett, T. E. Barrett, R. Bossi, H. Skov, A. Hünerbein, J. Lubitz, M. Löffler, O. Linke, M. Hartmann, P. Herenz, and F. Stratmann (2019), Annual variability of ice nucleating particle concentrations at different Arctic locations, Atmos. Chem. Phys., 19, 5293–5311, doi:10.5194/acp-19-5293-2019.



Chen, J., Z. Wu, S. Augustin-Bauditz, S. Grawe, M. Hartmann, X. Pei, Z. Liu, D. Ji, and H. Wex (2018), Ice nucleating particle concentrations unaffected by urban air pollution in Beijing, China, Atmos. Chem. Phys., 18, 3523–3539, doi:10.5194/acp-18-3523-2018.

Grawe, S., S. Augustin-Bauditz, H.-C. Clemen, M. Ebert, S. Eriksen Hammer, J. Lubitz, N. Reicher, Y. Rudich, J. Schneider, R. Staacke, F. Stratmann, A. Welti, and H. Wex (2018), Coal fly ash: Linking immersion freezing behavior and physico-chemical particle properties, 13903–13923, doi:10.5194/acp-2018-583.

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, Atmos. Chem. Phys., 18, 4477–4496, doi:10.5194/acp-18-4477-2018.

Knackstedt, K. A., B. F. Moffett, S. Hartmann, H. Wex, T. C. Hill, E. D. Glasgo, L. A. Reitz, S. Augustin-Bauditz, B. F. N. Beall, G. S. Bullerjahn, J. Fröhlich-Nowoisky, S. Grawe, J. Lubitz, and R. M. L. McKay (2018), A terrestrial origin for abundant riverine nanoscale ice-nucleating particles, Environ. Sci. Technol., 12358−12367, doi:10.1021/acs.est.8b03881. 

Kroflič, A., S. Frka, M. Simmel, H. Wex, and I. Grgić (2018), Size-resolved surface active substances of atmospheric aerosol: reconsideration of the impact on cloud droplet formation, Environ. Sci. Technol., 52 (16), 9179–9187, doi:10.1021/acs.est.8b02381.

Ling, M., H. Wex, S. Grawe, J. Jakobsson, J. Löndahl, S. Hartmann, K. Finster, T. Boesen, and T. Santl-Temkiv (2018), Effects of ice nucleation protein repeat number and oligomerization level on ice nucleation activity, J. Geophys. Res., 123, doi:10.1002/2017JD027307. 



Burkert-Kohn, M., H. Wex, A. Welti, S. Hartmann, S. Grawe, L. Hellner, P. Herenz, J. D. Atkinson, F. Stratmann, and Z. A. Kanji (2017), Leipzig Ice Nucleation chamber Comparison (LINC): Inter-comparison of four online ice nucleation counters, Atmos. Chem. Phys., 17, 11683–11705, doi:10.5194/acp-17-11683-2017.

Coluzza, I., J. Creamean, M. J. Rossi, H. Wex, P. A. Alpert, V. Bianco, Y. Boose, C. Dellago, L. Felgitsch, J. Fröhlich-Nowoisky, H. Herrmann, S. Jungblut, Z. A. Kanji, G. Menzl, B. Moffett, C. Moritz, A. Mutzel, U. Pöschel, M. Schauperl, J. Scheel, E. Stopelli, F. Stratmann, H. Grothe, and D. G. Schmale, III (2017), Perspectives on the future of ice nucleation research: Research needs and unanswered questions identified from two international workshops, Atmosphere, 8, doi:10.3390/atmos8080138.

Costa, A., J. Meyer, A. Afchine, A. Luebke, G. Günther, J. R. Dorsey, M. W. Gallagher, A. Ehrlich, M. Wendisch, D. Baumgardner, H. Wex, and M. Krämer (2017), Classification of Arctic, Mid-Latitude and Tropical Clouds in the Mixed-Phase Temperature Regime, Atmos. Chem. Phys., 17, 12219–12238, doi:10.5194/acp-17-12219-2017.

Cziczo, D. J., L. A. Ladino Moreno, Y. Boose, P. Kupiszewski, S. Lance, S. Mertes, and H. Wex (2017), Chapter 8: Measurements of ice nucleating particles and ice residuals, Meteor. Monogr., 58, doi:10.1175/AMSMONOGRAPHS-D-16-0008.1. (in: Ice Formation and Evolution in Clouds and Precipitation: Measurement and Modeling Challenges)

Kanji, Z. A., L. A. Ladino, H. Wex, Y. Boose, D. Cziczo, M. Kohn, and M. Krämer (2017), Chapter 1: Heterogeneous ice nucleation, Meteor. Monogr., 58, doi:10.1175/AMSMONOGRAPHS-D-16-0006.1. (in: Ice Formation and Evolution in Clouds and Precipitation: Measurement and Modeling Challenges)

Reddington, C. L., et al. (2017), The Global Aerosol Synthesis And Science Project (GASSP): Measurements and modelling to reduce uncertainty, BAMS, doi:10.1175/BAMS-D-15-00317.1.



Augustin-Bauditz, S., H. Wex, C. Denjean, S. Hartmann, J. Schneider, S. Schmidt, M. Ebert, and F. Stratmann (2016), Laboratory-generated mixtures of mineral dust particles with biological substances: characterization of the particle mixing state and immersion freezing behavior, Atmos. Chem. Phys., 16, 5531–5543, doi:10.5194/acp-16-5531-2016.

Garimella, S., et al.  (2016), The SPectrometer for Ice Nuclei (SPIN): an instrument to investigate ice nucleation, Atmos. Meas. Tech, 9, 2781–2795, doi:10.5194/amt-9-2781-2016.

Grawe, S., S. Augustin-Bauditz, S. Hartmann, L. Hellner, J. B. C. Pettersson, A. Prager, F. Stratmann, and H. Wex (2016), The immersion freezing behavior of ash particles from wood and brown coal burning, Atmos. Chem. Phys., 16, 13911–13928, doi:10.5194/acp-16-13911-2016.

Hartmann, S., H. Wex, T. Clauss, S. Augustin-Bauditz, D. Niedermeier, M. Rösch, and F. Stratmann (2016), Immersion freezing of kaolinite - scaling with particle surface area, J. Atmos. Sci., 73, 263-278, doi:10.1175/JAS-D-15-0057.1.

Sahyoun, M., H. Wex, U. K. Gosewinkel, T. Santl Temkiv, N. W. Nielsen, K. Finster, J. H. Sorensen, F. Stratmann, and U. S. Korsholm (2016), On the usage of classical nucleation theory in quantification of the impact of bacterial INP on weather and climate, Atmos. Environ., 139, 230-240, doi:10.1016/j.atmosenv.2016.05.034.

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, 14107–14130, doi:10.5194/acp-16-14107-2016.



Hiranuma, N., et al. (2015), A comprehensive laboratory study on the immersion freezing behavior of illite NX particles: a comparison of seventeen ice nucleation measurement techniques, Atmos. Chem. Phys., 15, 2489–2518, doi:10.5194/acp-15-2489-2015.

Niedermeier, D., S. Augustin-Bauditz, S. Hartmann, H. Wex, K. Ignatius, and F. Stratmann (2015), Can we define an asymptotic value for the ice active surface site density for heterogeneous ice nucleation?, J. Geophys. Res., doi:10.1002/2014JD022814.

Pummer, B. G., C. Budke, S. Augustin-Bauditz, D. Niedermeier, L. Felgitsch, C. J. Kampf, R. G. Huber, K. R. Liedl, T. Loerting, T. Moschen, M. Schauperl, M. Tollinger, C. E. Morris, H. Wex, H. Grothe, U. Pöschl, T. Koop, and J. Fröhlich-Nowoisky (2015), Ice nucleation by water-soluble macromolecules, Atmos. Chem. Phys., 15, 4077–4091, doi:10.5194/acp-15-4077-2015. 

Šantl-Temkiv, T., M. Sahyoun, K. Finster, S. Hartmann, S. Augustin, F. Stratmann, H. Wex, T. Clauss, N. W. Nielsen, J.  H. Sørensen, U. Smith Korsholm, L. Y. Wick, and U. K. Gosewinkel (2015), Characterization of airborne ice-nucleation-active bacteria and bacterial fragments, Atmos. Environ., 109, 105-117, doi:10.1016/j.atmosenv.2015.02.060.

Wex, H., S. Augustin-Bauditz, Y. Boose, C. Budke, J. Curtius, K. Diehl, A. Dreyer, F. Frank, S. Hartmann, N. Hiranuma, E. Jantsch, Z. A. Kanji, A. Kiselev, T. Koop, O. Moehler, D. Niedermeier, B. Nillius, M. Roesch, D. Rose, C. Schmidt, I. Steinke, and F. Stratmann (2015), Intercomparing different devices for the investigation of ice nucleating particles using Snomax as test substance, Atmos. Chem. Phys., 15, 1463–1485, doi:10.5194/acp-15-1463-2015.



Augustin-Bauditz, S., H. Wex, S. Kanter, M. Ebert, F. Stolz, A. Prager, D. Niedermeier, and F. Stratmann (2014), The immersion mode ice nucleation behavior of mineral dusts: A comparison of different pure and surface modified dusts, Geophys. Res. Lett., 41, doi:10.1002/2014GL061317.

Henning, S., K. Dieckmann, K. Ignatius, M. Schäfer, P. Zedler, E. Harris, B. Sinha, D. van Pinxteren, S. Mertes, W. Birmili, M. Merkel, Z. Wu, A. Wiedensohler, H. Wex, H. Herrmann, and F. Stratmann (2014), 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.

Niedermeier, D., B. Ervens, T. Clauss, J. Voigtländer, H. Wex, S. Hartmann, and F. Stratmann (2014), A computationally efficient description of heterogeneous freezing: A simplified version of the Soccer ball model, Geophys. Res. Lett., 41, doi:10.1002/2013GL058684.

Riccobono, F., et al. (2014), Oxidation products of biogenic emissions contribute to nucleation of atmospheric particles, Science, 344, 717, doi:10.1126/science.1243527.

Werner, F., F. Ditas, H. Siebert, M. Simmel, B. Wehner, P. Pilewskie, T. Schmeissner, R. A. Shaw, S. Hartmann, H. Wex, G. C. Roberts, and M. Wendisch (2014), Twomey effect observed from collocated microphysical and remote sensing measurements over shallow cumulus, J. Geophys. Res., 119, 1534-1545, doi:10.1002/2013JD020131.

Wex, H., P. J. DeMott, Y. Tobo, S. Hartmann, M. Rösch, T. Clauss, L. Tomsche, D. Niedermeier, and F. Stratmann (2014), Kaolinite particles as ice nuclei: learning from the use of different kaolinite samples and different coatings, Atmos. Chem. Phys., 14, 5529-5546, doi:10.5194/acp-14-5529-2014.



Almeida, J., et al. (2013), Molecular understanding of sulphuric acid - amine particle nucleation in the atmosphere, Nature, 502, 359-363, doi:10.1038/nature12663.

Augustin, S., H. Wex, D. Niedermeier, B. Pummer, H. Grothe, S. Hartmann, L. Tomsche, T. Clauss, J. Voigtländer, K. Ignatius, and F. Stratmann (2013), Immersion freezing of birch pollen washing water, Atmos. Chem. Phys., 13, 10989-11003, doi:10.5194/acp-13-10989-2013.

Clauss, T., A. Kiselev, S. Hartmann, S. Augustin, S. Pfeifer, D. Niedermeier, H. Wex, and F. Stratmann (2013), Application of linear polarized light for the discrimination of frozen and liquid droplets in ice nucleation experiments, Atmos. Meas. Tech., 6, 1041-1052.

Hartmann, S., S. Augustin, T. Clauss, H. Wex, Šantl-Temkiv T., J. Voigtländer, D. Niedermeier, and F. Stratmann (2013), Immersion freezing of ice nucleating active protein complexes, Atmos. Chem. Phys., 13, 5751-5766.

Keskinen, H., et al. (2013), Evolution of particle composition in CLOUD nucleation experiments, Atmos. Chem. Phys., 13, 5587-5600.

Siebert, H., et al. (2013), The fine-scale structure of the trade wind cumuli over Barbados - an introductionto the CARRIBA project, Atmos. Chem. Phys., 13, 10061-10077.



Kristensen, T. B., H. Wex, B. Nekat, J. K. Nojgaard, D. van Pinxteren, D. H. Lowenthal, L. R. Mazzoleni, K. Dieckmann, C. Bender Koch, T. F. Mentel, H. Herrmann, A. G. Hallar, F. Stratmann, and M. Bilde (2012), Hygroscopic growth and CCN activity of HULIS from different environments, J. Geophys. Res.,117, D22203, doi:10.1029/2012JG018249.

Tobo, Y., P. J. DeMott, M. Raddatz, D. Niedermeier, S. Hartmann, S. M. Kreidenweis, F. Stratmann, and H. Wex (2012), Impacts of chemical reactivity on ice nucleation of kaolinite particles: A case study of levoglucosan and sulfuric acid, Geophys. Res. Lett., 39, L19803, doi:10.1029/2012GL053007.



Hartmann, S., D. Niedermeier, J. Voigtländer, T. Clauss, R. A. Shaw, H. Wex, A. Kiselev, and F. Stratmann (2011), The Leipzig Cloud Interaction Simulator (LACIS): operating principle and theoretical studies concerning homogeneous and heterogeneous ice nucleation, Atmos. Chem. Phys., 11, 1753-1767.

Kirkby, J., et al. (2011), Role of sulphuric acid, ammonia and galactic cosmic rays in atmospheric aerosol nucleation, Nature, 476, 429-433.

Niedermeier, D., R. A. Shaw, S. Hartmann, H. Wex, T. Clauss, J. Voigtländer, and F. Stratmann (2011), Heterogeneous ice nucleation: Exploring the transition from stochastic to singular freezing behavior, Atmos. Chem. Phys., 11, 8767-8775.

Niedermeier, D., S. Hartmann, T. Clauss, H. Wex, A. Kiselev, R. C. Sullivan, P. J. DeMott, M. D. Petters, P. Reitz, J. Schneider, E. Mikhailov, B. Sierau, O. Stetzer, B. Reimann, U. Bundke, R. A. Shaw, A. Buchholz, T. F. Mentel, and F. Stratmann (2011), Experimental study of the role of chemical and physical surface processing on the IN ability of mineral dust particles, Atmos. Chem. Phys., 11, 11131-11144.

Reitz, P., C. Spindler, T. F. Mentel, L. Poulain, H. Wex, K. Mildenberger, D. Niedermeier, S. Hartmann, T.Clauss, F. Stratmann, R. C. Sullivan, P. J. DeMott, M.D. Petters, B. Sierau, and J. Schneider (2011), Surface modification of mineral dust particles by sulphuric acid processing: Implications for as ice nucleation abilities, Atmos. Chem. Phys., 11, 7839-7858.



Duplissy, J., et al. (2010), Results from the CERN pilot CLOUD experiment, Atmos. Chem. Phys., 10,1635-1647.

Henning, S., H. Wex, T. Hennig, A. Kiselev, J. Snider, D. Rose, U. Dusek, G. Frank, U. Pöschl, A. Kristensson, M. Bilde, R. Tillmann, A. Kiendler-Scharr, T. F. Mentel, S. Walter, J. Schneider, C. Wennrich, and F. Stratmann (2010), Soluble mass, hygroscopic growth and droplet activation during LExNo, J. Geophys. Res., 115, D11206, doi:10.1029/2009JD012626.

Kiselev, A., C. Wennrich, F. Stratmann, H. Wex, S. Henning, T. F. Mentel, A. Kiendler-Scharr, J. Schneider, S. Walter, and I. Lieberwirth (2010), Morphological characterization of soot aerosol during LExNo, J. Geophys. Res., 115, D11204, doi:10.1029/2009JD012635.

Niedermeier, D., S. Hartmann, R. A. Shaw, D. Covert, T. F. Mentel, J. Schneider, L. Poulain, P. Reitz, C. Spindler, T. Clauss, A. Kiselev, E. Hallbauer, H. Wex, K. Mildenberger, and F. Stratmann (2010), Heterogeneous freezing of droplets with immersed mineral dust particles: measurements and parameterization, Atmos. Chem. Phys., 10, 3601-3614.

Poulain, L., Z. Wu, M. D. Petters, H. Wex, E. Hallbauer, B. Wehner, A. Massling, S. M. Kreidenweis, and F. Stratmann (2010), Towards closing the gap between hygroscopic growth and CCN activation for secondary organic aerosols Part 3: Influence of the chemical composition on the hygroscopic properties and volatile fractions of aerosols, Atmos. Chem. Phys., 10, 3775-3785.

Snider, J. R., H. Wex, D. Rose, A. Kristensson, F. Stratmann, T. Hennig, S. Henning, A. Kiselev, M. Bilde, M. Burkhardt, U. Dusek, G. Frank, A. Kiendler-Scharr, T. F. Mentel, M. D. Petters, U. Pöschl, and R. Tillmann (2010), Intercomparison of CCN and hygroscopic fraction measurements from LExNo, J. Geophys. Res., 115, D11205, doi:10.1029/2009JD012618.

Stratmann, F., M. Bilde, U. Dusek, G. Frank, T. Hennig, S. Henning, A. Kiendler-Scharr, A. Kiselev, A. Kristensson, I. Lieberwirt, T. F. Mentel, U. Pöschl, D. Rose, J. Schneider, J. Snider, R. Tillmann, S. Walter, and H. Wex (2010), Examination of laboratory-generated coated soot particles: An overview over the LExNo campaign, J. Geophys. Res., 115, D11203, doi:10.1029/2009JD012628.

Sullivan, R. C., M. D. Petters, P. J. DeMott, S. M. Kreidenweis, H. Wex, D. Niedermeier, S. Hartmann, T. Clauss, F. Stratmann, P. Reitz, J. Schneider, and B. Sierau (2010), Irreversible loss of ice nucleation active sites in mineral dust particles caused by sulphuric acid condensation, Atmos. Chem. Phys., 10,1147-111487.

Wex, H., G. McFiggans, S. Henning, and F. Stratmann (2010), The influence of the external mixing state of atmospheric aerosol on derived CCN number concentrations, Geophys. Res. Lett., 37, L10805, doi:10.1029/2010GL043337.

Wex, H., E. Fuentes, G. Tsagkogeorgas, J. Voigtländer, T. Clauss, A. Kiselev, D. Green, H. Coe, G.McFiggans, and F. Stratmann (2010), The influence of algal exudate on the hygroscopicity of sea spray particles, Advances in Meteorology, vol. 2010, Article ID 365131, doi:10.1155/2010/365131 (special issue:Marine Aerosol-Cloud-Climate Interaction).



Laj, P., et al. (2009), Measuring atmospheric composition change, Atmos. Environ., 43, 5351-5414.

Petters, M. D., H. Wex, C. M. Carrico, E. Hallbauer, A. Massling, G. R. McMeeking, L. Poulain, Z. Wu, S. M. Kreidenweis, and F. Stratmann (2009), Towards closing the gap between hygroscopic growth and activation for secondary oganic aerosol - Part 2: Theoretical approaches, Atmos. Chem. Phys., 9, 3999-4009.

Stratmann, F., O. Möhler, R. A. Shaw, and H. Wex (2009), Laboratory cloud simulation: Capabilities and future directions, Ernst Strüngmann Forum reports, Frankfurt, Germany.

Tuch, T. M., A. Haudek, T. Müller, A. Nowak, H. Wex, and A. Wiedensohler (2009), Design and performance of an automatic regenerating adsorption aerosol dryer for continuous operation at monitoring sites, Atmos. Meas. Tech., 2, 417422.

Wex, H., M. D. Petters, C. M. Carrico, E. Hallbauer, A. Massling, G. R. McMeeking, L. Poulain, Z. Wu, S. M. Kreidenweis, and F. Stratmann (2009), Towards closing the gap between hygroscopic growth and activation for secondary oganic aerosol: Part 1 - Evidence from measurements, Atmos. Chem. Phys., 9, 3987-3997.



Niedermeier, D., F. Stratmann, H. Wex, E. Brüggemann, A. Kislev, and J. Heintzenberg (2008), LACIS-measurements and parameterization of see-salt particle hygroscopic growth and activation, Atmos. Chem. Phys., 8, 579-590.

Wex, H., F. Stratmann, D. Topping, and G. McFiggans (2008), The Kelvin versus the Raoult term in the Köhler equation, J. Atmos. Sci., 65, 4004-4016, doi:10.1175/2008JAS2720.1.

Wex, H., F. Stratmann, T. Hennig, D. Niedermeier, E. Nilsson, R. Ocskay, D. Rose, I. Salma, and M. Ziese (2008), The role of surface tension in connecting hygroscopic growth to activation for different particle types, Environ. Res. Lett., 3, doi:10.1088/1748-9326/3/3/035004.

Ziese, Z., H. Wex, E. Nilsson, I. Salma, R. Ocskay, T. Hennig, A. Massling, and F. Stratmann (2008), Hygroscopic growth and activation of HULIS particles: Experimental data and a new iterative parameterization scheme for complex aerosol particles, Atmos. Chem. Phys., 8, 1855-1866.



Voigtländer, J., F. Stratmann, D. Niedermeier, H. Wex, and A. Kiselev (2007), Mass accommodation coeffient of water: A combined computational fluid dynamics and experimental data analysis, J. Geophys. Res., 112, D20208, doi:10.1029/2007JD008604.

Wex, H., T. Hennig, I. Salma, R. Ocskay, A. Kiselev, S. Henning, A. Massling, A. Wiedensohler, and F. Stratmann (2007), Hygroscopic growth and measured and modeled critical super-saturations of an atmospheric HULIS sample, Geophys. Res. Lett., 34, L02818, doi:10.1029/2006GL028260.

Wex, H., M. Ziese, A. Kiselev, S. Henning, and F. Stratmann (2007), Deliquescence and hygroscopic growth of succinic acid particles measured with LACIS, Geophys. Res. Lett., 34, L17810, doi:10.1029/2007GL030185.



Wex, H., A. Kiselev, M. Ziese, and F. Stratmann (2006), Calibration of LACIS as a CCN detector and its use in measuring activation and hygroscopic growth of atmospheric aerosol particles, Atmos. Chem. Phys.,6 , 4519-4527.



Kiselev, A., H. Wex, F. Stratmann, A. Nadeev, and D. Karpushenko (2005), White-light optical particle spectrometer for in situ measurement of condensational growth of aerosol particles, Appl. Opt., 44(22),4693–4701.

Wex, H., A. Kiselev, F. Stratmann, J. Zoboki, and F. Brechtel (2005), Measured and modeled equilibrium sizes of NaCl and (NH4)2SO4 particles at relative humidities up to 99.1%, J. Geophys. Res., 110, D21212, doi:10.1029/2004JD005507.



Stratmann, F., A. Kiselev, S. Wurzler, M. Wendisch, J. Heintzenberg, R. J. Charlson, K. Diehl, H. Wex, and S. Schmidt (2004), Laboratory studies and numerical simulations of cloud droplet formation under realistic super-saturation conditions, J. Atmos. Oceanic Technol., 21, 876–887.



Heintzenberg, J., T. Tuch, B. Wehner, A. Wiedensohler, H. Wex, A. Ansmann, I. Mattis, D. Müller, M. Wendisch, S. Eckhardt, and A. Stohl (2003), Arctic haze over central Europe, Tellus, 55 B, 796–807.



Bundke, U., G. Hänel, H. Horvath, W. Kaller, S. Seidl, H. Wex, A. Wiedensohler, M. Wiegner, and V. Freudenthaler (2002), Aerosol optical properties during the Lindenberg Aerosol Characterization Experiment (LACE 98), J. Geophys. Res., 107(D21), 8123, doi:10.1029/2000JD000188.

Ebert, M., S. Weinbruch, A. Rausch, G. Gorzawski, G. Helas, P. Hoffmann, and H. Wex (2002), The complex refractive index of aerosols during LACE 98 as derived from the analysis of individual particles, J. Geophys. Res., 107(D21), 8121, doi:10.1029/2000JD000195.

Formenti, P., T. Reiner, D. Sprung, M. O. Andreae, M. Wendisch, H. Wex, D. Kindred, K. Dewey, J. Kent, M. Tzourtziou, A. Vasaras, and C. Zerefos (2002), STAAARTE-med 1998 summer airborne measurements over the Aegean sea, 1, aerosol particles and trace gases, J. Geophys. Res., 107(D21), 4450, doi:10.1029/2001JD1337.

Formenti, P., O. Boucher, T. Reiner, D. Sprung, M. O. Andreae, M. Wendisch, H. Wex, D. Kindred, M. Tzourtziou, A. Vasaras, and C. Zerefos (2002), STAAARTE-med 1998 summer airborne measurements over the Aegean sea, 2, aerosol scattering and absorption, and radiative calculations, J. Geophys. Res., 107(D21), 4451, doi:10.1029/2001JD001336.

Neusüß, C., H. Wex, W. Birmili, A. Wiedensohler, C. Koziar, B. Busch, E. Brüggemann, T. Gnauk, M. Ebert, and D. S. Covert (2002), Characterization and parameterization of atmospheric aerosol number, mass, and chemical size distributions in central Europe, J. Geophys. Res, 107(D21), 8127,doi:10.1029/2001JD000514.

Wex, H., C. Neusüß, M. Wendisch, F. Stratmann, C. Koziar, A. Keil, A. Wiedensohler, and M. Ebert (2002), Particle scattering, backscattering, and absorption coefficients: An in-situ closure and sensitivity study, J. Geophys. Res., 107(D21), 8122, doi:10.1029/2000JD000234.



Formenti, P., M. O. Andreae, T. W. Andreae, E. Galani, A. Vasaras, C. Zerefos, V. Amiridis, L. Orlovsky, A. Karnieli, M. Wendisch, H. Wex, B. N. Holben, M. W., and J. Lelieveld (2001), Aerosol optical properties and large-scale transport of air masses: observations at a coastal and a semiarid site in the eastern mediterranean during summer 1998, J. Geophys. Res., 106(D9), 9807–9826, doi:10.1029/2000JD900609.



Neusüß, C., D. Weise, W. Birmili, H. Wex, A. Wiedensohler, and D. Covert (2000), Size-segregated,chemical, gravimetric and number distribution-derived mass closure of the aerosol in Sagres, Portugal during ACE -2, Tellus, 52B, 169–184.


Aktuelle Projekte:

  • DACAPO-PESO (über AüP)
  • HiLDA (über AüP)
  • (AC)3
  • MarParCloud
  • PI-ICE


Abgeschlossene Projekte:    

  • Realisierung MINT (Melpitz INTensive) [1997]
  • Mitarbeit LACE 98 (Lindenberg Aerosol Characterization Experiment) [1998]
  • Organisation und Mitarbeit LExNo (LACIS Experiment in November) [2005]
  • Organisation und Mitarbeit in einem Projekt mit der Colorado State University für die Untersuchung von SOA (Secondary Organic Aerosol) [2007]
  • Mitarbeit bei FROST 1 (FReezing of cOated and uncoated duST) [2008]
  • Organisation und Mitarbeit bei Messungen in Zusammenarbeit mit der University of California, Santa Cruz, Vergleich optische Partikeldetektoren [2008]
  • Mitglied des Organisationskommittees der IfT Klausurtagung - Führung durch die finale Diskussion [2008]
  • Organisation und führende Forscherin bei FROST 2 [2009]
  • Organisation des ersten IfT internen Workshops - Thema: SOA [2009]
  • Organisation und führende Forscherin bei einer Kooperation mit der University of Manchester zur Untersuchung von algea-exudates [2009]
  • Organisation und Mitarbeit bei der "First IfT summer-school on atmospheric aerosol and clouds" [2009]
  • Organisation und Mitarbeit bei CARRIBA (Clouds, Aerosol, Radiation, and turbulence in the tRade wInd regime over BArbados) [2010]
  • Organisation einer Zusammenarbeit mit der Technischen Universität Wien, Untersuchung: "ice nuclei abilities of particles from pollen-washing-water" [2011]
  • Organisation einer Zusammenarbeit mit der Colorado State University, Untersuchung: "ice nuclei abilities of kaolinite" [2011]
  • Organisation der 16th ICCP (International Conference on Clouds and Precipitation) als Vorsitzende des lokalen Organisationskommittees [2012]
  • Mitarbeit im Rahmen von AEROCLOUD [2013-2016]
  • Project-PI im Rahmen von INUIT (Ice Nuclei Research Unit) [2012-2018]
  • Mitarbeit bei (AC)3 und zugehörigen Unterprojekten (z.B. PamArcMip) [seit 2017]
  • Project-PI im Rahmen von MarParCloud [2017-2022]
  • Mitarbeit bei PI-ICE [seit 2019]


Lebenslauf (CV)

Academic qualification  

1988-1996 Physikstudentin an der Universität Giessen

1992-1993 Austauschstudentin an der Rice University, Houston, Texas, USA (Fulbright-Stipendiatin)

1994-1996 Diplomstudentin am Institut für angewandte Physik (IAP), Giessen

1995 Forschungspraktikum an der Bulgarian Academy of Sciences (ISSP), Sofia, Bulgarien

1996 Diplomarbeit: "Charakterisierung von Oxidations-Katalysatoren für die selektive Gassensorik"


Research Experience

1996-2002 PhD am Institut für Troposphärenforschung, Leipzig

2001 PhD Arbeit: "Closure and Sensitivity Studies on Physical Parameters of Rural Continental Aerosols"

seit 2002: Wissenschaftlerin am Institut für Troposphärenforschung