MESSy Symposium 2026

May 19, 2026, 12:00 PM → May 21, 2026, 11:30 PM Europe/Berlin

Lecture Hall R140, Ground floor (Scientific Computing Center (SCC), Building 449)

The symposium includes presentations, posters, and discussions on the Modular Earth Submodel System (MESSy) in relation to the Earth system models EMAC, ICON/MESSy, or MECO. 

Tue, May 19

Registration: Registration and Welcome

First session

Convener: Ole Kirner (KIT-SCC)

1 Welcome

Speaker: Jasmin Hörter (KIT-SCC)

2 Opening and Logistics

Speaker: Ole Kirner (KIT-SCC)

3 Status and future perspectives of the Modular Earth Submodel System

Speaker: Patrick Joeckel (DLR-IPA)

4 ICON/MESSy - status of the coupling via ComIn

Speaker: Astrid Kerkweg (FZJ-ICE-3)

3:00 PM Coffee Break

Second session

Convener: Jens-Uwe Grooß (FZJ-ICE-4)

5 Development of a dedicated Importserver for MESSy

Speaker: Timo Kirfel (FZJ-ICE-3)

6 DWARF rudi and adaptive-mesh related DWARF developments

Speaker: Kerstin Hartung (DLR-IPA)

7 Ozone Forcing Database for CMIP7 – Updates from the EMAC Perspective

Speaker: Olaf Stein (FZJ-JSC)

8 Interactive Vegetation in MECO(n)

Speaker: Holger Tost (JGU Mainz)

9 Discussion

7:00 PM Dinner

Wed, May 20

Third Session

Convener: Andrea Pozzer (MPIC)

10 Opening and Logistics

11 Unified kinetic framework for gas-aerosol partitioning of organic vapors

Speaker: Domenico Taraborrelli (FZJ-ICE-3)

12 Simulating secondary organic aerosol formation with the aerosol submodel MADE3 in EMAC

Speaker: Christof Beer (DLR-IPA)

13 Quantifying Aerosol Source Contributions over Europe using the newly implemented tagging submodel STAG

Speaker: Anna Götz (DLR-IPA)

14 Brown Carbon in MESSy: Current Status and Evaluation

Speaker: Vidya Varma (FZJ-ICE-3)

10:30 AM Group Photo and Coffee Break

Fourth session

Convener: Stefanie Falk (KIT-IMKASF)

15 Iron containing aerosols in MESSy: Updates and lessons learned

Speaker: Simon Rosanka (FZJ-ICE-3)

16 Volatility of organics in EMAC

Speaker: Samuel Ruhl (MPIC)

17 Effects of Ambient Air Pollution on human health and vegetation in a changing climate

Speaker: Mariano Mertens (DLR-IPA/TU Delft)

18 Lagrangian Analysis and Atmospheric Dispersion Modelling of Wildfire Emissions

Speaker: Bastian Kern (DLR-IPA)

19 Discussion

12:30 PM Lunch break

Poster Session (incl. Coffee Break)

20 Sneak preview of posters (1 minute per poster)

21 Poster Session

1. Katarina Grubbe Hildebrandt (TU Delft): Towards NOx-O3 aCCFs v2.0: A Machine Learning Approach Using Lagrangian Simulations in EMAC
2. Jens Phillip Kahl (FZJ-ICE-3): Atmospheric Impact of Amine-Based Direct Air Capture
3. Jan Christopher Kaiser (DLR-IPA): Sensitivity of Simulations of Global O3 and its Radiative Forcing to Selected Representations of Emissions, Meteorology, and Radiation Transfer
4. Niclas Maier (DLR-IPA): Analyzing sector resolved sulfur dioxide emission source strengths and evaluation of TROPOMI identified point sources using the chemistry-climate model MECO(n) in the Middle East
5. Jan Moritz Menken (DLR-IPA): The upper tropopsphere/lower stratosphere in a changing climate – A global model study
6. Adi Nalam (Charles Uni, Prague): Restoring CO2 induced climate change to pre-industrial levels by solar constant reduction in EMAC
7. Anna Nickl (LMU): Modelling the impact of atmospheric sink variability and CH4 biomass burning emissions on the global mean δ13C(CH4) trend EMAC
8. Paul Paetzold (DLR-IPA): Stratospheric extension of the MADE3 submodel
9. Mala Pokharel (FZJ-ICE-3): Towards a revised budget of carbonyl sulfide in the atmosphere
10. Jutta Püttmann (DLR-IPA): Modelling the interrelationship between a future hydrogen economy and climate change with EMAC
11. Martin Rempel (JGU Mainz): Convection and its Moisture Transport into the UTLS in Lagrangian and Eulerian Frameworks
12. Christoph Brühl (MPIC): Sensitivity of radiative forcing by volcanic aerosol to the injection patterns for SO2 and H2O, studies with the CCM EMAC for 2022 to 2024
13. Sandro Vattioni (PMOD/WRC): Implementation of the sectional aerosol module AER into MESSy
14. Zhen Yang (FZJ-ICE-4): Eulerian and Lagrangian Perspectives on Raikoke Volcanic Plume Transport
15. Ole Kirner (KIT-SCC): Poster from Gerald Wetzel (KIT-IMKASF) et al.: Transcontinental stratospheric and upper tropospheric measurements with the new GLORIA-Lite instrument

Hands-On-Tutorial

22 Tools and Utilities in and around MESSy

Speakers: Kerstin Hartung (DLR-IPA), Patrick Joeckel (DLR-IPA)

7:00 PM Dinner

Thu, May 21

Seventh session

Convener: Olaf Stein (FZJ-JSC)

23 Opening and Logistics

24 Improved simulation of atmospheric hydrogen using Eulerian and Lagrangian models

Speaker: Robert Reisch (FZJ-ICE-4)

25 Bromine Explosion's Fingerprint in Arctic Snow

Speaker: Stefanie Falk (KIT-IMKASF)

26 Construction of VSLS-Bromine surface emissions from aircraft observations

Speaker: Jens-Uwe Grooß (FZJ-ICE-4)

27 Nourishing Updates from the Cloud Microphysics Submodel CHIPS

Speaker: Dario Sperber (DLR-IPA)

10:30 AM Coffee Break

Eighth Session and End of Symposium

Convener: Benedikt Steil (MPIC)

28 On the cause of climate model wet biases in the lowermost stratosphere

Speakers: Felix Plöger (FZJ-ICE-4), Hongyue Wang (FZJ-ICE-4)

29 Stratospheric transport measures in EMAC

Speaker: Johannes Pletzer (DLR-IPA)

30 Discussion (Topic to be determined) and End of Symposium

12:30 PM Lunch break