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April 2015
June 2015
May 2015

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Jun. 02, 2015 - 15:00
Prof. Dr. Annele Virtanen
University of Eastern Finland in Kuopio, Finland, Aerosol physics research group

Physical phase of secondary organic aerosol particles and current understanding on its relevance to atmospheric processes

Jun. 03, 2015 - 15:00
Florian Becker, Markus Karrer

1. Titel folgt (Florian Becker) 2. Wolkenphasenverteilung in konvektiven Wolken (Markus Karrer)

Jun. 08, 2015 - 09:45
Michael Weimer, Constanze Fischerkeller

1. Simulation von flüchtigen organischen Substanzen mit ICON-ART (Michael Weimer) 2. Titel folgt (Constanze Fischerkeller)

Jun. 09, 2015 - 15:00
noch nicht bekannt

Titel folgt

Jun. 10, 2015 - 15:00
Simon Gruber

Simulating contrails with COSMO-ART based on real time flight tracks (Simon Gruber)

Jun. 11, 2015 - 15:00
Florian Ehmele, Susanna Mohr

1. Projekt FLORIS-SV (Florian Ehmele), 2. Projekt ConWingG - konvektive Starkwindereignisse (Susanna Mohr)

Jun. 12, 2015 - 13:45
Georgina Miles
Rutherford Appleton Lab

Ozone and methane profiles from MetOp

Jun. 16, 2015 - 16:45

, Direktor MPI

Titel folgt

Jun. 17, 2015 - 15:00
Pila Bossmann

Titel folgt (Pila Bossmann)

Jun. 18, 2015 - 15:00
Hendrik Feldmann, David Piper, Elody Fluck

1. Regional Decadal Predictions for Europe (Hendrik Feldmann) 2. Charakterisierung und Analyse der räumlich-zeitlichen Variabilität hochreichender Konvektion in Europa (David Piper), 3. Hail statistic in Western Europe (Elody Fluck)

Jun. 22, 2015 - 11:00
Thea Schmitt

New Continuous Flow Diffusion Chamber INKA for Laboratory Investigations of Heterogeneous Ice Nucleation

Jun. 23, 2015 - 15:00
Dr. Martin Gysel
Paul Scherrer Institute, Villigen, Switzerland , Laboratory of Atmospheric Chemistry/Aerosol Physics Group

Title will follow

Jun. 25, 2015 - 15:00
Jutta Metzger, Natalie Laube, Marianne Uhlig

1. Evaporation Measurements at the Dead Sea (Jutta Metzger), 2. Titel folgt (Natalie Laube), 3. Titel folgt (Marianne Uhlig)

Jun. 26, 2015 - 13:45
Michael Weimer
KIT Campus Nord, IMK-ASF

Simulation von flüchtigen organischen Verbindungen mit ICON-ART

Jun. 30, 2015 - 15:00
Prof. Dr. Rafaela Hillerbrand

Titel folgt

Jul. 01, 2015 - 15:00
Julia Kosch

Analyse konvektiver Starkwindböen auf der Grundlage von hochaufgelösten Reanalysedaten (Julia Kosch)

Jul. 02, 2015 - 15:00

1. KITcube observations- results from previous campaigns (Norbert Kalthoff), 2. Titel folgt (Bernhard Mühr)

Jul. 07, 2015 - 16:45
Dr. Christian Keil
, Meteorologisches Institut

Wie vorhersagbar ist sommerlicher Niederschlag?

Jul. 09, 2015 - 15:00
Martin Kohler, Marlon Maranan, Bianca Adler

1. Titel folgt (Martin Kohler), 2. Current status of DACCIWA and METCRAX II analysis (Bianca Adler), 3. Titel folgt (Marlon Maranan)

Jul. 10, 2015 - 13:45
Stefan Versick
KIT Campus Nord, IMK-ASF

Airglow in XEMAC

Jul. 15, 2015 - 15:00
Markus Augenstein, Lukas Leufen

1. Titel folgt (Markus Augenstein) 2. Titel folgt (Lukas Leufen)


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.



Ice nucleation by cellulose aerosol

Searching for the ice nucleating particle (INP) types in the atmosheric aerosol is still a major challenge of aerosol-cloud-climate research. Scientists from the Karlsruhe Institute of Technology, the Meteorological Research Institute in Tsukuba, Japan, and the University of Bielefeld have identified cellulose as an important source of atmospheric INPs, as reported  in Nature Geoscience 8, 273-277 (2015) .

International Symposium on Ultrafine Particles

The effects of ultrafine particles, the smallest constituents of airborne particulate matter, on air quality, atmospheric processes, climate, and human health are by far not finally investigated to proven evidence. The 5th EFCA Ultrafine Particles Symposium  will reflect the most recent scientific progress in the field and aims to contribute to the dialogue with policymakers in Europe.  The symposium takes place on May 4 - 5 in Brussels, Belgium. It is co-organized by KIT and chaired by the head of IMK-AAF, Prof. Thomas Leisner.

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