Atmospheric Aerosol Research (IMK-AAF)

Welcome to the department "Atmospheric Aerosol Research" of the Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology. Our research focuses on the role of aerosols in the climate system, the hydrological cycle, and the environment.

  • operates the internationally renowned AIDA aerosol and cloud simulation chamber
  • runs laboratories for aerosol and cloud research
  • participates in ground-based and aircraft field campaigns around the world

The head of the division, Thomas Leisner, is professor at the Institute of Environmental Physics, University of Heidelberg


dust event at sonnblick
Dusty Clouds over Europe

The strong Saharan dust event over Europe reached our measurement locations at the Helmos Hellenic Atmospheric Aerosol and Climate Station (HAC2) in Greece and the Sonnblick Observatory (SBO) in Austria. The instrument PINE (Portable Ice Nucleation Experiment), continuously operated at both stations, measured a strong increase of the ice-nucleating particle (INP) concentration upon arrival of the dust at SBO on March 15th and at HAC2 on March 16th.

Dr. Mohit SinghKIT/Mohit Singh
Dr. Mohit Singh joins IMK-AAF as Alexander von Humboldt Research Fellow

Starting the 1st of December 2021, Dr. Mohit Singh joined IMK-AAF after receiving the prestigious Alexander von Humboldt (AvH) Postdoctoral Research Fellowship Award. The research project of Dr. Mohit Singh is dedicated to the direct observation of ice multiplication in electrodynamic trap and will significantly advance our understanding of droplet shattering mechanism regarded as one of the important pathways of rapid glaciation of mixed phase clouds.

pic_stephanie_jonesKIT/ Stephanie Jones
New DFG funded research on brown carbon

In October 2021, Dr. Stephanie Jones started at the IMK-AAF after having successfully obtained DFG funding for her own position. Her research will investigate the transformations of brown carbon aerosol using single droplet levitation techniques and cloud chamber experiments.

View_SPLKIT/Larissa Lacher
Ice-nucleating particle measurements at Storm Peak Laboratory (CO, USA)

Since October 2021, PINE monitors ice-nucleating particle concentrations in the Rocky Mountains. Being located at 3200 m a.s.l., the site frequently provides free-tropospheric sampling conditions in an atmospheric layer where mixed-phase clouds occur.

news_AIDArct_teaserKIT/ Marco Zanatta
AIDArct: simulating Arctic atmospheric conditions in the AIDA chamber

The AIDArct experiment will reproduce Arctic atmospheric conditions in the AIDA chamber with the goal of parametrizing the effects of atmospheric transport on absorption and hygroscopicity of black carbon particles.

news_hilda_campaign_2021KIT/Nsikanabasi Umo
Quantifying ice-nucleating particles in Iceland’s desert

IMK-AAF contributed to field experiments in Iceland to investigate the mineral composition of Icelandic dust and its effects on climate. In the desert of Dyngjusandur/ Iceland airborne dust for ice nucleation experiments was collected.