Articles | Volume 12, issue 4
https://doi.org/10.5194/gmd-12-1643-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-12-1643-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model evaluation paper
| 
24 Apr 2019
Model evaluation paper |
| 24 Apr 2019
| 24 Apr 2019
The global aerosol–climate model ECHAM6.3–HAM2.3 – Part 1: Aerosol evaluation
Leibniz Institute for Tropospheric Research, Leipzig, Germany
David Neubauer
Institute of Atmospheric and Climate Science, ETH Zurich,
Zurich, Switzerland
Sylvaine Ferrachat
Institute of Atmospheric and Climate Science, ETH Zurich,
Zurich, Switzerland
Colombe Siegenthaler-Le Drian
Centre for Climate Systems Modeling (C2SM), ETH Zurich, Zurich, Switzerland
Isabelle Bey
Centre for Climate Systems Modeling (C2SM), ETH Zurich, Zurich, Switzerland
now at: MeteoSwiss, Geneva, Switzerland
Nick Schutgens
Department of Physics, University of Oxford, Oxford, UK
now at: Faculty of Life and Earth Sciences, Vrije Universiteit, Amsterdam, the Netherlands
Philip Stier
Department of Physics, University of Oxford, Oxford, UK
Duncan Watson-Parris
Department of Physics, University of Oxford, Oxford, UK
Tanja Stanelle
Institute of Atmospheric and Climate Science, ETH Zurich,
Zurich, Switzerland
Hauke Schmidt
Max Planck Institute for Meteorology, Hamburg, Germany
Sebastian Rast
Max Planck Institute for Meteorology, Hamburg, Germany
Harri Kokkola
Atmospheric Research Centre of Eastern Finland, Finnish Meteorological Institute, Kuopio,
Finland
Martin Schultz
Forschungszentrum Juelich, Juelich, Germany
Sabine Schroeder
Forschungszentrum Juelich, Juelich, Germany
Nikos Daskalakis
Laboratory for Modeling and Observation of the Earth System (LAMOS), Institute of Environmental Physics (IUP), University of Bremen, Bremen, Germany
Stefan Barthel
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Bernd Heinold
Leibniz Institute for Tropospheric Research, Leipzig, Germany
Ulrike Lohmann
Institute of Atmospheric and Climate Science, ETH Zurich,
Zurich, Switzerland
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Latest update: 16 Nov 2025
Short summary
We describe a new version of the aerosol–climate model ECHAM–HAM and show tests of the model performance by comparing different aspects of the aerosol distribution with different datasets. The updated version of HAM contains improved descriptions of aerosol processes, including updated emission fields and cloud processes. While there are regional deviations between the model and observations, the model performs well overall.
We describe a new version of the aerosol–climate model ECHAM–HAM and show tests of the model...
