Dr. Kunfeng Gao
Dr. Kunfeng Gao
Staff of Professorship for Experimental Atmospheric Physics
ETH Zürich
Additional information
Research area
Laboratory and field studies of aerosol-cloud interactions in both mixed-phase and cirrus cloud regimes
· Soot particles ice nucleation mechanisms and atmospheric aging simulations through laboratory experiments
· Source apportionment, spatio-temporal variability and parameterizations for ice nucleating particles observed in field campaigns
· Biological particle type identification, abundance quantification and variability evaluation
· The relevance and contribution of dust particles to ice nucleating particles
· Cirrus cloud thinning using synthesized ice nucleating particles
Published papers
1. Gao, K., Vogel, F., Foskinis, R., Vratolis, S., Gini, M. I., Granakis, K., et al. (2024), Biological and dust aerosol as sources of ice nucleating particles in the Eastern Mediterranean: source apportionment, atmospheric processing and parameterization. Atmos. Chem. Phys., 24(17), 9939-9974. https://doi.org/10.5194/acp-24-9939-2024 [Highlight article]
2. Gao K. & Kanji Z. A. (2024), Influence of Lowering Soot‐Water Contact Angle on Ice Nucleation of Ozone-Aged Soot. Geophysical Research Letters. 51(7), e2023GL106926. https://doi.org/10.1029/2023GL106926
3. Foskinis, R., Gao, K., Gini, M. I., Diapouli, E., Vratolis, S., Granakis, K., et al. (2024), The influence of the planetary boundary layer on the atmos-pheric state and cloud formation at an orographic site at the Eastern Mediterranean Tellus B Chem. Phys. Meteorol., 76(1), 19-31. https://doi.org/10.16993/tellusb.1876
4. Georgakaki, P., Billault-Roux, A.-C., Foskinis, R., Gao, K., Sotiropoulou, G., Gini, M., et al. (2024), Unraveling secondary ice production in winter orographic clouds through a synergy of in-situ observations, remote sensing and modeling. npj Clim. Atmos. Sci., 7, 145. https://doi.org/10.1038/s41612-024-00671-9
5. Foskinis, R., Motos, G., Gini, M. I., Zografou, O., Gao, K., Vratolis, S., et al. (2024), Drivers of droplet formation in east Mediterranean orographic clouds. Atmos. Chem. Phys., 24(17), 9827-9842. https://doi.org/10.5194/acp-24-9827-2024
6. Mahrt F., Rösch C., Gao K., Dreimol C., Zawadowicz M. A., and Kanji Z. A. (2023), Physicochemical properties affect ice nucleating abilities of biomass burning derived charcoal aerosols at cirrus and mixed-phase cloud conditions. Atmospheric Chemistry and Physics. 23(2): 1285-1308. https://doi.org/10.5194/acp-23-1285-2023
7. Gao K., Zhou C.-W., Meier E. J. B., & Kanji Z. A. (2022), Ice nucleation activities of soot particles internally mixed with sulphuric acid at cirrus cloud conditions. Atmospheric Chemistry and Physics. 22 (7): 4985-5016. https://doi.org/10.5194/acp-22-4985-2022
8. Gao K., Friebel F., Zhou C.-W., & Kanji Z. A. (2022), Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification. Atmospheric Chemistry and Physics. 22 (8): 5331-5364. https://doi.org/10.5194/acp-22-5331-2022
9. Gao K., Koch H.-C, Zhou C.-W., & Kanji Z. A. (2022), The dependence of soot particle ice nucleation ability on its volatile content. Environmental Science: Processes & Impacts. https://doi.org/10.1039/d2em00158f
10. Gao K. & Kanji Z. A. (2022), Impacts of simulated contrail processing and thermal denuding on the ice nucleation of soot particles. Geophysical Research Letters. 49(16), e2022GL099869. https://doi.org/10.1029/2022GL099869
11. Gao K. & Kanji Z. A. (2022), Impacts of cloud processing on ice nucleation of soot particles internally mixed with sulfate and organics. Journal of Geophysical Research: Atmospheres. 127(22), e2022JD037146. https://doi.org/10.1029/2022JD037146
12. Wu J., Zhao Z., Huang T., Sheng P., Zhang J., Tian H., Gao K., et al. (2017), Removal of elemental mercury by Ce-Mn co-modified activated carbon catalyst. Catalysis Communications, 93: 62-66. http://10.1016/j.catcom.2017.01.016
Manuscripts accepted
1. Gao K., Vogel F., Foskinis R., Vratolis S., Gini I. M., Granakis K., Zografou O., Fetfatzis P., Berne A., Papayannis A., Möhler O., Eleftheridadis K., Nenes A. (2024), Diurnal cycle of bioaerosols is a key driver of ice nucleating particle variability for Eastern Mediterranean orographic clouds. npj Climate and Atmospheric Science (In review) Preprints. https://doi.org/10.21203/rs.3.rs-4378562/v1 (Accepted on Oct 18, 2024; title changed after revision 'On the drivers of ice nucleating particle diurnal variability in Eastern Mediterranean clouds')
Manuscripts under review
1. Gao K. Friebel F., Zhou C.-W., & Kanji Z. A. (2024), Densification effects on the morphology of carbon black aggregates. Aerosol Science and Technology. (In review)
Conference presentations
1. Gao, K., Zhou, C.-W., Marcolli, C., & Kanji, Z. (2021), Soot particle ice nucleation ability prediction based on soot-PCF framework. European Aerosol Conference, UK
2. Gao, K., Zhou, C.-W., & Kanji, Z. Enhanced soot particle ice nucleation ability induced by aggregate compaction, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-384, https://doi.org/10.5194/egusphere-egu21-384, 2021.
3. Gao, K., Zhou, C.-W., Koch, H.-C., & Kanji, Z. (2021), Soot particles ice nucleation ability: dependence on the volatile content. 24th ETH-Conference on Combustion Generated Nanoparticles, ETH Zurich, Switzerland. https://nanoparticles21.scg.ch/program1/tue-june-22-2021
4. Gao, K. & Kanji, Z. (2022), A laboratory study of atmospheric ageing effects on soot particle ice nucleation ability. American Meteorological Society 102nd Annual Meeting, Houston, Texas, US. https://ams.confex.com/ams/102ANNUAL/meetingapp.cgi/Paper/393808
5. Kanji, Z. Gao, K., & Friebel F. (2022), Fluffy or compact? Implications of particle morphology on the ice nucleation of black carbon in the cirrus cloud regime. American Meteorological Society 102nd Annual Meeting, Houston, Texas, US. https://ams.confex.com/ams/102ANNUAL/meetingapp.cgi/Paper/400769
6. Dhaliwal, H., Reynolds, R., Goldstein, H., Kanji, Z., Gao, K., & Ardon-Dryer K. (2022), Effect of coal fly ash and soot particles on human epithelial lung cells. American Meteorological Society 102nd Annual Meeting, Houston, Texas, US. https://ams.confex.com/ams/102ANNUAL/meetingapp.cgi/Paper/393557
7. Gao, K. & Kanji, Z.: The importance of soot-water contact angle in soot ice nucleation ability in the cirrus regime, EGU General Assembly 2023, Vienna, Austria, 24-28 Apr 2023, EGU23-138, https://doi.org/10.5194/egusphere-egu23-138, 2023.
8. Gao, K., Foskinis, R., Paraskevi, G., Vratolis, S., Granakis, K., Billault-Roux, A.-C., Vogel, F., Möhler, O., Berne, A., Eleftheriadis, K., Papagiannis, A., and Nenes, A.: Source apportionment and parameterization of ice nucleating particles observed at a high-altitude station in the north-eastern Mediterranean in autumn 2021 during the CALISHTO campaign, EGU General Assembly 2024, Vienna, Austria, 14-19 Apr 2024, EGU24-12784, https://doi.org/10.5194/egusphere-egu24-12784, 2024.
9. Papayannis, A., Crouzy, B., Foskinis, R., Gidarakou, M., Gao, K., Sikoparija, B., Violaki, K., Tummon, F., Lieberherr, G., Pauling, A., Erb, S., Collaud, M., Gkretsi, S., Clot, B., and Nenes, A.: Lidar and in-situ detection of pollen: Experience from the Pericles campaign, World Aerobiology 2024, 1-5 July 2024, Viilnius, Lithuania, (2024). https://www.aerobiology2024.com/
10. Zhang, C., Brem, B., Nowak, N., Modini, R., Crouzy, B., Papayannis, A., Hervo, M., Sikoparija, B., Rosch, M., Gidarakou, M., Foskinis, R., Gao, K., Huglin, C., Nenes, A. Collaud, M., Gysel-Beer, M., Kanji, Z.: Immersion ice-nucleating particle measurement at -30 ºC in Payerne, Switzerland: Impact of bioaerosols and wildfire plumes. ACTRIS Science Conference, 13-16 May 2024, Rennes, France, (2024). https://www.actris.eu/ASC2024
Awarded patents
1. Chen L., Gao K., et al., ‘A centrifugal particle classifier using the particle aerodynamic characteristics’, China, CN109985808B[P], 2020. http://epub.cnipa.gov.cn/patent/CN109985808B
2. Wu J., Gao K., et al., ‘A method for the preparation of gas filtering cotton containing graphene oxide’, China, CN106474819A[P], 2017. http://epub.cnipa.gov.cn/patent/CN106474819A
Book chapter
1. Chen, L., Gao, K., Zhang, C., & Lang, W. (2019), Alternative fuels for IC engines and jet engines and comparison of their gaseous and particulate matter emissions, in Advanced Biofuels: Applications, Technologies and Environmental Sustainability, edited by K. A. Azad and M. Rasul. pp.18-58, Elsevier Science, Duxford, UK. https://doi.org/10.1016/B978-0-08-102791-2.00002-7 (First student author)
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