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May. 10, 2016 - 15:00
Dr. Anni Maeaettaenen
CNRS Guyancourt,

Faraway, so close? Studying clouds on Mars and Venus

May. 11, 2016 - 15:45
Julia Kaufmann

Wolkeneis aus den Ozeanen: AIDA-Experiment mit Seesalz-Aerosol

May. 12, 2016 - 15:00
(1) Carolin Walter (2) Konrad Deetz

(1) Revealing the aerosol radiative impact of volcanic ash on synoptic time scales (2) folgt

May. 18, 2016 - 16:45
Dr. Zoltan Toth, Senior Scientist
Global Systems Division, NOAA/OAR/ESRL

Probabilistic forecasting, including ensemble techniques (overview incl. own research)

May. 19, 2016 - 15:00

(1) Dynamics of dry and wet spells of the West African Monsoon (2) Investigation of Rainfall Systems over Southern West Africa for the Rainfall Season 2014 using Satellite Data

May. 25, 2016 - 15:00
Prof. Dr. Ulrike Langematz

Titel folgt!

Jun. 01, 2016 - 14:00
Prof. Axel Kleidon
Max-Planck-Institute for Biogeochemistry , Biospheric Theory and Modelling Group

Can’t we just keep it simple? Using thermodynamic limits to formulate simple models and to get robust predictions of the complex Earth system

Jun. 02, 2016 - 15:00
(1) Enrico DiMuzio (2) Olga Kiseleva

(1) Three medicanes case studies: dynamics and predictability (2) RIBOLA: Ergebnisse des 2-jährigen Messexperiments

Jun. 07, 2016 - 16:45
Prof Dr. Gerrit Lohmann
Alfred Wegener Institut Bremerhaven, Helmholtz-Centre for Polar and Marine Research (AWI)

Titel folgt

Jun. 09, 2016 - 15:00
(1) Joseph Njeri (2) Simon Gruber

(1) Causes and Characteristics of precipitation and its variability in Kenya

Jun. 16, 2016 - 15:00
(1) Pila Bossmann (2) Titike Bahaga

(1) Synoptic and mesoscale dynamics of European heat waves (2) Large Scale Influences on Seasonal-Decadal Variability and Predictability of Rainfall over Greater Horn of Africa

Jun. 21, 2016 - 14:00
Prof. Tim Palmer,
, Abteilungsleiter u Sen. Scientist Europ. Centre for Med.Range Weather Forecasts in Reading

Titel folgt

Jun. 23, 2016 - 15:00

Titel folgt

Jun. 30, 2016 - 15:00
(1) Heike Vogel (2) Gregor Pante

Titel folgt

Jul. 05, 2016 - 15:00
Prof. Jean-Francois Doussin

Titel folgt

Jul. 07, 2016 - 15:00

(1) Sensitivity of extreme events to soil-atmosphere interactions in the western Mediterranean (2) Titel folgt

Jul. 11, 2016 - 13:00
Luisa Ickes

The importance of soil dust in global climate models.

Jul. 13, 2016 - 15:00
Prof. Dr. Mathias Frisch
Uni Hannover

Titel folgt

Jul. 14, 2016 - 15:00
(1) Melanie Karremann (2) Emanuel Christner

(1) PalMOD - Ice Sheet Modelling (2) PalMOD - Stable Water Isotopes

Jul. 19, 2016 - 15:00
Prof. Dr. Christian von Savigny
Uni Greifswald

Titel folgt

Jul. 21, 2016 - 15:00
(1) Christian Barthlott (2) Jutta Metzger

Titel folgt


Aerosols, Clouds, and Atmospheric Chemistry

Welcome to the division "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 field campaigns
  • performs numerical modelling of atmospheric aerosol processes

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




The scientific research at AAF is part of the exhibition "GLOBALE: Exo-Evolution" at Center for Art and Media (ZKM, Karlsruhe, Germany). From 31.10 2015 to 28.02.2016 two exhibits, “High speed video recordings of freely levitated freezing droplets” and “Ice crystals growing on feldspar mineral in electron microscope” can be seen in the ZKM, Atrium 8+9. The exhibits show high resolution video recordings of microphysical processes responsible for nucleation and growth of ice in atmospheric clouds. The exhibition opening takes place on Friday, October 30th, 2015 at 7:30 pm.

KIT GRACE student contributes to FIN03

During September 2015, U.S. and German teams of atmospheric ice nucleation research collaborate at the Storm Peak Laboratory, Steamboat Springs, Colorado, to intercompare methods for sampling ice nucleating particles from ambient air. This activity called FIN03 is the final major experimental activity within the Fifth International Ice Nucleation Workshop (FIN). The KIT PhD student Thea Schiebel is participating in this activity as part of her 3 month visit to the Colorado State University which is supported by the KIT Graduate School for Climate and Environment (GRACE) 

The Fifth International Ice Nucleation Workshop (FIN)

This workshop is the most comprehensive ever held concerning atmospheric ice nucleation studies. Three phases include intercomparison of single particle mass spectrometers (FIN01, Nov 2014) and of ice nucleation measurement methods (FIN02, Mar 2015), both held at the KIT AIDA cloud chamber, and intercomparison of methods for sampling ice nucleating particles from ambient air at Storm Peak Laboratory, Steamboat Springs (FIN03, Sep 2015). The FIN activities are supported by NSF, DOE-ASR and DFG (Research Unit INUIT).

Research Infrastructure Project AIDA-2

The ongoing AIDA-2 project includes the construction of a new lab building, the renovation of the AIDA facility, the installation of an aerosol mass spectrometry lab, and the construction of a novel dynamic cloud chamber. Building construction and AIDA renovation are making good progress. Reopening of the AIDA facility is planned for September after the installation of a new liquid gas supply system.

contour plot
Aerosol Simulation Web Site Released by IMK-AAF A web based version of the extensively validated detailed numerical aerosol process model COSIMA-F has been made freely available to the public. This code describes the structural properties and dynamical evolution of  ramified aggregates, e.g. freshly emitted soot, based on fractal scaling laws. However, it can also be operated like a conventional aerosol behaviour code when dealing with compact aerosol particles. Several entirely editable default scenarios are available. For more information or conducting your own simulations please visit the COSIMA homepage