Curriculum Vitae

Profession

May 2022 - Present	Research Scientist at KIT (Karlsruhe Institute of Technology), Institute of Atmospheric and Climate Research, Atmospheric Aerosol Research (IMK-AAF), Karlsruhe, Germany Project ACTRIS (Aerosol, Clouds and Trace Gases Research Infrastructure) Centre for Cloud In Situ measurements
May 2018 - April 2022	Postdoctoral position at KIT, IMK-AAF KIT Technology Transfer project on the development and application of the new Portable Ice Nucleation Experiment PINE for autonomous measurements of ice nucleating particles German Academic Exchance Service, Postdoctoral International Mobility Experience (DAAD PRIME) project on identifying the nature of ambient ice nucleating particles by coupling a mobile ice chamber with a single particle mass spectrometer
July 2014 - April 2018	Ph.D. ETH Zurich (Swiss Federal Institute of Technology) Institute for Atmospheric and Climate Science, Department of Environmental Systeme Science, ETH Zurich, Switzerland Doctoral thesis: Measurements of Ice Nucleating Particles at the High Altitude Research Station Jungfraujoch
September 2012 - June 2014	Master ETH Zurich Master in Atmospheric and Climate Science, Department of Earth Sciences, ETH Zurich, Switzerland Master thesis: Measurements of Cloud Condensation Nuclei within the Saharan Air Layer
October 2009 - July 2012	Bachelor Albert-Ludwigs-University Freiburg Faculty of Environment and Natural Resources, Major in Environmental Science, Minor in Meteorology and Climatology Bachelor thesis: The Urban Heat Island Effect in Zurich

Teaching

Atmospheric Physics, Prof. Dr. Ulrike Lohmann, ETH Zurich (teaching assistant, 3 terms)

Atmospheric Physics Lab Work, Dr. Zamin A. Kanji, ETH Zurich (teaching assistant, 2 terms)

Atmospheric Chemistry, Dr. Roland Ruhnke, Dr. Ottmar Möhler, KIT (teaching assistant, 1 term)

Atmospheric Aerosols, Dr. Ottmar Möhler, KIT (lecturer and teaching assistant, 2 terms)

Students’ workshop at the AIDA cloud facility, Dr. Ottmar Möhler, KIT (teaching assistant, 1 term)

Current Projects

PINE: The Portable Ice Nucleation Experiment

Development and calibration of a new mobile INP counter for continuous and autonomous INP measurements at conditions relevant for mixed-phase and cirrus cloud formation.

ACTRIS Centre for Cloud In Situ measurements:

Setup and servicing ACTRIS national facilities to operate instrumentation for continuous and long-term measurements of climate-relevant cloud properties

SPL: Ice-nucleating particle measurements at Storm Peak Laboratory

Field measurements since October 2021 at Storm Peak Laboratory (CO, US) to quantify INP concentrations and to analyze INPs using a coupled setup of PINE with aeosol sizing instruments and the single particle mass spectrometer PALMS.

PICNIC: The Puy de Dôme ICe Nucleation Intercomparison Campaign

Field measurements during Ocotber 2018 to compare a total of nine online and offline INP measurement techniques at ambient conditions.

INUIT-2017: Ice Nuclei Research Unit (INUIT) 2017 field campaign

Field measurements on aerosol-cloud interactions at the High Altitude Research Station Jungfraujoch during January and February 2017.

PINEair: A new instrument for aircraft-based in situ measurements of ice nucleating particles at cirrus formation conditions (supervision PhD student)

Development of an ice nucleation chamber for the HALO aircraft.

CAL01: Intercomparison and calibration campaign at AIDA (supervision PhD student)

Laboratory campaign testing a set of well-established and novel INP measurement techniques from internationa researchl groups.

PaCE 2017/2019/2020/2021: Pallas Cloud Experiment (supervision PhD student)

Field measurements at the sub-Arctic research station Pallas by combining measurement of ground-based INP measurements with novel techniques for UAV-based INP sampling.

HyICE 2018: Hyytiälä Ice Nucleation Comparison Experiment (supervision master student)

Field measurements of INPs during February to April 2018 using the novel PINE instrument for continuous and autonomous measurements.

CORONA: Long-term INP measurements at the Karlsruhe Institute of Technology using online and offline methods

Ambient measurements of INPs since spring 2020 to investigate seasonal variability of INPs and the effect of anthropogenic emission during the CORONA lockdown in Germany.

Swabian MOSES 2021: Measurement campaign of Helmholtz research centres and Baden-Württemberg universities on hydro-meteorological extremes (supervision PhD student)

INP concentration measurements during summer 2021 in the updraft regions of strong convective cloud systems in the Swabian Alb, Germany

Publications

Journal Articles

Ice-nucleating particles active below −24 °C in a Finnish boreal forest and their relationship to bioaerosols
Vogel, F.; Adams, M. P.; Lacher, L.; Foster, P. B.; Porter, G. C. E.; Bertozzi, B.; Höhler, K.; Schneider, J.; Schorr, T.; Umo, N. S.; Nadolny, J.; Brasseur, Z.; Heikkilä, P.; Thomson, E. S.; Büttner, N.; Daily, M. I.; Fösig, R.; Harrison, A. D.; Keskinen, J.; Proske, U.; Duplissy, J.; Kulmala, M.; Petäjä, T.; Möhler, O.; Murray, B. J.
2024. Atmospheric Chemistry and Physics, 24 (20), 11737–11757. doi:10.5194/acp-24-11737-2024

The Puy de Dôme ICe Nucleation Intercomparison Campaign (PICNIC): comparison between online and offline methods in ambient air
Lacher, L.; Adams, M. P.; Barry, K.; Bertozzi, B.; Bingemer, H.; Boffo, C.; Bras, Y.; Büttner, N.; Castarede, D.; Cziczo, D. J.; DeMott, P. J.; Fösig, R.; Goodell, M.; Höhler, K.; Hill, T. C. J.; Jentzsch, C.; Ladino, L. A.; Levin, E. J. T.; Mertes, S.; Möhler, O.; Moore, K. A.; Murray, B. J.; Nadolny, J.; Pfeuffer, T.; Picard, D.; Ramírez-Romero, C.; Ribeiro, M.; Richter, S.; Schrod, J.; Sellegri, K.; Stratmann, F.; Swanson, B. E.; Thomson, E. S.; Wex, H.; Wolf, M. J.; Freney, E.
2024. Atmospheric Chemistry and Physics, 24 (4), 2651–2678. doi:10.5194/acp-24-2651-2024

Measurement report: A comparison of ground-level ice-nucleating-particle abundance and aerosol properties during autumn at contrasting marine and terrestrial locations
Wilbourn, E. K.; Lacher, L.; Guerrero, C.; Vepuri, H. S. K.; Höhler, K.; Nadolny, J.; Pantoya, A. D.; Möhler, O.; Hiranuma, N.
2024. Atmospheric Chemistry and Physics, 24 (9), 5433–5456. doi:10.5194/acp-24-5433-2024

Development and validation of a new cloud simulation experiment for lab-based aerosol–cloud studies
Vogel, F.; Lacher, L.; Nadolny, J.; Saathoff, H.; Leisner, T.; Möhler, O.
2022. The Review of scientific instruments, 93 (9), Art.Nr. 095106. doi:10.1063/5.0098777

Measurement report: Introduction to the HyICE-2018 campaign for measurements of ice-nucleating particles and instrument inter-comparison in the Hyytiälä boreal forest
Brasseur, Z.; Castarède, D.; Thomson, E. S.; Adams, M. P.; Drossaart van Dusseldorp, S.; Heikkilä, P.; Korhonen, K.; Lampilahti, J.; Paramonov, M.; Schneider, J.; Vogel, F.; Wu, Y.; Abbatt, J. P. D.; Atanasova, N. S.; Bamford, D. H.; Bertozzi, B.; Boyer, M.; Brus, D.; Daily, M. I.; Fösig, R.; Gute, E.; Harrison, A. D.; Hietala, P.; Höhler, K.; Kanji, Z. A.; Keskinen, J.; Lacher, L.; Lampimäki, M.; Levula, J.; Manninen, A.; Nadolny, J.; Peltola, M.; Porter, G. C. E.; Poutanen, P.; Proske, U.; Schorr, T.; Silas Umo, N.; Stenszky, J.; Virtanen, A.; Moisseev, D.; Kulmala, M.; Murray, B. J.; Petäjä, T.; Möhler, O.; Duplissy, J.
2022. Atmospheric Chemistry and Physics, 22 (8), 5117–5145. doi:10.5194/acp-22-5117-2022

Sources and nature of ice-nucleating particles in the free troposphere at Jungfraujoch in winter 2017
Lacher, L.; Clemen, H.-C.; Shen, X.; Mertes, S.; Gysel-Beer, M.; Moallemi, A.; Steinbacher, M.; Henne, S.; Saathoff, H.; Möhler, O.; Höhler, K.; Schiebel, T.; Weber, D.; Schrod, J.; Schneider, J.; Kanji, Z. A.
2021. Atmospheric chemistry and physics, 21 (22), 16925–16953. doi:10.5194/acp-21-16925-2021

Laboratory and field studies of ice-nucleating particles from open-lot livestock facilities in Texas
Hiranuma, N.; Auvermann, B. W.; Belosi, F.; Bush, J.; Cory, K. M.; Georgakopoulos, D. G.; Höhler, K.; Hou, Y.; Lacher, L.; Saathoff, H.; Santachiara, G.; Shen, X.; Steinke, I.; Ullrich, R.; Umo, N. S.; Vepuri, H. S. K.; Vogel, F.; Möhler, O.
2021. Atmospheric chemistry and physics, 21 (18), 14215–14234. doi:10.5194/acp-21-14215-2021

The Portable Ice Nucleation Experiment (PINE): A new online instrument for laboratory studies and automated long-term field observations of ice-nucleating particles
Möhler, O.; Adams, M.; Lacher, L.; Vogel, F.; Nadolny, J.; Ullrich, R.; Boffo, C.; Pfeuffer, T.; Hobl, A.; Weiß, M.; Vepuri, H. S. K.; Hiranuma, N.; Murray, B. J.
2021. Atmospheric Measurement Techniques, 14 (2), 1143–1166. doi:10.5194/amt-14-1143-2021

A biogenic secondary organic aerosol source of cirrus ice nucleating particles
Wolf, M. J.; Zhang, Y.; Zawadowicz, M. A.; Goodell, M.; Froyd, K.; Freney, E.; Sellegri, K.; Rösch, M.; Cui, T.; Winter, M.; Lacher, L.; Axisa, D.; DeMott, P. J.; Levin, E. J. T.; Gute, E.; Abbatt, J.; Koss, A.; Kroll, J. H.; Surratt, J. D.; Cziczo, D. J.
2020. Nature Communications, 11 (1), 4834. doi:10.1038/s41467-020-18424-6

Field evaluation of a Portable Fine Particle Concentrator (PFPC) for ice nucleating particle measurements
Gute, E.; Lacher, L.; Kanji, Z. A.; Kohl, R.; Curtius, J.; Weber, D.; Bingemer, H.; Clemen, H.-C.; Schneider, J.; Gysel-Beer, M.; Ferguson, S. T.; Abbatt, J. P. D.
2019. Aerosol science and technology, 53 (9), 1067–1078. doi:10.1080/02786826.2019.1626346

Impact of Air Mass Conditions and Aerosol Properties on Ice Nucleating Particle Concentrations at the High Altitude Research Station Jungfraujoch
Lacher, L.; Steinbacher, M.; Bukowiecki, N.; Herrmann, E.; Zipori, A.; Kanji, Z.
2018. Atmosphere, 9 (9), 363. doi:10.3390/atmos9090363

Background Free‐Tropospheric Ice Nucleating Particle Concentrations at Mixed‐Phase Cloud Conditions
Lacher, L.; DeMott, P. J.; Levin, E. J. T.; Suski, K. J.; Boose, Y.; Zipori, A.; Herrmann, E.; Bukowiecki, N.; Steinbacher, M.; Gute, E.; Abbatt, J. P. D.; Lohmann, U.; Kanji, Z. A.
2018. Journal of geophysical research, 123 (18), 10,506–10,525. doi:10.1029/2018JD028338

The Horizontal Ice Nucleation Chamber (HINC) : INP measurements at conditions relevant for mixed-phase clouds at the High Altitude Research Station Jungfraujoch
Lacher, L.; Lohmann, U.; Boose, Y.; Zipori, A.; Herrmann, E.; Bukowiecki, N.; Steinbacher, M.; Kanji, Z. A.
2017. Atmospheric chemistry and physics, 17 (24), 15199–15224. doi:10.5194/acp-17-15199-2017

Research Data

The Puy de Dôme ICe Nucleation Intercomparison Campaign (PICNIC): Comparison between online and offline methods in ambient air
Lacher, L.; Adams, M. P.; Barry, K.; Bertozzi, B.; Bingemer, H.; Boffo, C.; Bras, Y.; Büttner, N.; Castarede, D.; Cziczo, D. J.; DeMott, P. J.; Fösig, R.; Goodell, M.; Höhler, K.; Hill, T. C. J.; Jentzsch, C.; Ladino, L. A.; Levin, E. J. T.; Mertes, S.; Möhler, O.; Moore, K. A.; Murray, B. J.; Nadolny, J.; Pfeuffer, T.; Picard, D.; Ramírez-Romero, C.; Ribeiro, M.; Richter, S.; Schrod, J.; Sellegri, K.; Stratmann, F.; Swanson, B. E.; Thomson, E. S.; Wex, H.; Wolf, M. J.; Freney, and E.
2024, January 12. doi:10.35097/1876

Data from Portable Ice Nucleation Experiment during the Pallas Cloud Experiment 2022
Böhmländer, A.
2024. doi:10.5281/zenodo.13889647

Data sets to research article by Möhler et al. “The portable ice nucleation experiment PINE: a new online instrument for laboratory studies and automated long-term ﬁeld observations of ice-nucleating particles”
Technologie Transferprojekt N059 PINE; Möhler, O.; Adams, M.; Lacher, L.; Vogel, F.; Nadolny, J.; Fösig, R.; Boffo, C.; Pfeuffer, T.; Hobl, A.; Weis, M.; Vepuri, H. S. K.; Hiranuma, N.; Murray, B. J.
2021, January 12. doi:10.5445/IR/1000122157