Publications
Papers
Kerkweg, A., Kirfel, T., Do, D. H., Griessbach, S., Jöckel, P., and Taraborrelli, D.: The MESSy DWARF (based on MESSy v2.55.2), Geosci. Model Dev., 18, 1265–1286, https://doi.org/10.5194/gmd-18-1265-2025, 2025.
Klocke, D., Frauen, C., Engels, J., Alexeev, D., Redler, R., Schnur, R., Haak, H., Kornblueh, L, Brüggemann, N., Chegini, F., Römmer, M., Hoffmann, L, Griessbach, S., Bode, M., Coles, J., Gila, M., Sawyer, W., Calotoiu, A., Budanaz, Y.,Hohenegger, C., and Stevens,B.,Computing the Full Earth System at 1km Resolution. In Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (SC ’25). Association for Computing Machinery, New York, NY, USA, 125–136. https://doi.org/10.1145/3712285.3771789,2025
Pérez-Invernón, F. J., Gordillo-Vázquez, F. J., Huntrieser, H., Jöckel, P., and Bucsela, E. J.: Sensitivity of climate–chemistry model simulated atmospheric composition to the application of an inverse relationship between NOx emission and lightning flash frequency, Atmos. Chem. Phys., 25, 5557–5575, https://doi.org/10.5194/acp-25-5557-2025, 2025.
Clemens, J., Vogel, B., Hoffmann, L., Griessbach, S., Thomas, N., Fadnavis, S., Müller, R., Peter, T., and Ploeger, F.: A multi-scenario Lagrangian trajectory analysis to identify source regions of the Asian tropopause aerosol layer on the Indian subcontinent in August 2016, Atmos. Chem. Phys., 24, 763–787, https://doi.org/10.5194/acp-24-763-2024, 2024.
Kilian, M., Grewe, V., Jöckel, P., Kerkweg, A., Mertens, M., Zahn, A., and Ziereis, H.: Ozone source attribution in polluted European areas during summer 2017 as simulated with MECO(n), Atmos. Chem. Phys., 24, 13503–13523, https://doi.org/10.5194/acp-24-13503-2024, 2024.
Kruse, C. G., Alexander, M. J., Bramberger, M., Chattopadhyay, A., Hassanzadeh, P., Green, B., et al. Recreating observed convection-generated gravity waves from weather radar observations via a neural network and a dynamical atmospheric model. Journal of Advances in Modeling Earth Systems, 16, e2023MS003624. https://doi.org/10.1029/2023MS003624, 2024.
Lear, E. J., Wright, C. J., Hindley, N. P., Polichtchouk, I., & Hoffmann, L. (2024). Comparing gravity waves in a kilometre-scale run of the IFS to AIRS satellite observations and ERA5. Journal of Geophysical Research: Atmospheres, 129, e2023JD040097. https://doi.org/10.1029/2023JD040097, 2024.
Liao, Y.; Deng, X.; Huang, M.; Liu, M.; Yi, J.; Hoffmann, L. Tracking Carbon Dioxide with Lagrangian Transport Simulations: Case Study of Canadian Forest Fires in May 2021. Atmosphere 2024, 15, 429. https://doi.org/10.3390/atmos15040429, 2024.
Liu, M., Hoffmann, L., Grooß, J.-U., Cai, Z., Grießbach, S., and Heng, Y.: Technical note: A comparative study of chemistry schemes for volcanic sulfur dioxide in Lagrangian transport simulations: a case study of the 2019 Raikoke eruption, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-2596, 2024.
Nützel, M., Stecher, L., Jöckel, P., Winterstein, F., Dameris, M., Ponater, M., Graf, P., and Kunze, M.: Updating the radiation infrastructure in MESSy (based on MESSy version 2.55), Geosci. Model Dev., 17, 5821–5849, https://doi.org/10.5194/gmd-17-5821-2024, 2024.
Pérez-Invernón, F. J., Gordillo-Vázquez, F. J., Malagón-Romero, A., and Jöckel, P.: Global and regional chemical influence of sprites: reconciling modelling results and measurements, Atmos. Chem. Phys., 24, 3577–3592, https://doi.org/10.5194/acp-24-3577-2024, 2024.
Rosanka, S., Tost, H., Sander, R., Jöckel, P., Kerkweg, A., and Taraborrelli, D.: How non-equilibrium aerosol chemistry impacts particle acidity: the GMXe AERosol CHEMistry (GMXe–AERCHEM, v1.0) sub-submodel of MESSy, Geosci. Model Dev., 17, 2597–2615, https://doi.org/10.5194/gmd-17-2597-2024, 2024.
Sonnabend, J., Grooß, j.-U., Ploeger, F., Hoffmann, L., Jöckel, P., Kern, B. and Müller, R.: Lagrangian transport based on the winds of the icosahedral nonhydrostatic model (ICON), Meteorologische Zeitschrift, 33(3), https://doi.org/10.1127/metz/2024/1207,2024.
Zou, L., Spang, R., Griessbach, S., Hoffmann, L., Khosrawi, F., Müller, R., and Tritscher, I.: Impact of mountain-wave-induced temperature fluctuations on the occurrence of polar stratospheric ice clouds: a statistical analysis based on MIPAS observations and ERA5 data, Atmos. Chem. Phys., 24, 11759–11774, https://doi.org/10.5194/acp-24-11759-2024, 2024.
Eichinger, R., Rhode, S., Garny, H., Preusse, P., Pisoft, P., Kuchař, A., Jöckel, P., Kerkweg, A., and Kern, B.: Emulating lateral gravity wave propagation in a global chemistry–climate model (EMAC v2.55.2) through horizontal flux redistribution, Geosci. Model Dev., 16, 5561–5583, https://doi.org/10.5194/gmd-16-5561-2023, 2023.
Pérez-Invernón, F. J., Huntrieser, H., Jöckel, P., and Gordillo-Vázquez, F. J.: A parameterization of long-continuing-current (LCC) lightning in the lightning submodel LNOX (version 3.0) of the Modular Earth Submodel System (MESSy, version 2.54), Geoscientific Model Development, 15, 1545–1565, doi: 10.5194/gmd-15-1545-2022, URL https://gmd.copernicus.org/articles/15/1545/2022, 2022.
Pozzer, A., Reifenberg, S. F., Kumar, V., Franco, B., Kohl, M., Taraborrelli, D., Gromov, S., Ehrhart, S., Jöckel, P., Sander, R., Fall, V., Rosanka, S., Karydis, V., Akritidis, D., Emmerichs, T., Crippa, M., Guizzardi, D., Kaiser, J. W., Clarisse, L., Kiendler-Scharr, A., Tost, H., and Tsimpidi, A.: Simulation of organics in the atmosphere: evaluation of EMACv2.54 with the Mainz Organic Mechanism (MOM) coupled to the ORACLE (v1.0) submodel, Geosci. Model Dev., 15, 2673–2710, https://doi.org/10.5194/gmd-15-2673-2022, 2022.
Streffing, J., Sidorenko, D., Semmler, T., Zampieri, L., Scholz, P., Andrés-Martínez, M., Koldunov, N., Rackow, T., Kjellsson, J., Goessling, H., Athanase, M., Wang, Q., Hegewald, J., Sein, D. V., Mu, L., Fladrich, U., Barbi, D., Gierz, P., Danilov, S., Juricke, S., Lohmann, G., and Jung, T.: AWI-CM3 coupled climate model: description and evaluation experiments for a prototype post-CMIP6 model, Geosci. Model Dev., 15, 6399–6427, https://doi.org/10.5194/gmd-15-6399-2022, 2022.
Uchida, T., Le Sommer, J., Stern, C., Abernathey, R. P., Holdgraf, C., Albert, A., Brodeau, L., Chassignet, E. P., Xu, X., Gula, J., Roullet, G., Koldunov, N., Danilov, S., Wang, Q., Menemenlis, D., Bricaud, C., Arbic, B. K., Shriver, J. F., Qiao, F., Xiao, B., Biastoch, A., Schubert, R., Fox-Kemper, B., Dewar, W. K., and Wallcraft, A.: Cloud-based framework for inter-comparing submesoscale-permitting realistic ocean models, Geosci. Model Dev., 15, 5829–5856, https://doi.org/10.5194/gmd-15-5829-2022, 2022.
Wright, C.J., Hindley, N.P., Alexander, M.J. et al. Surface-to-space atmospheric waves from Hunga Tonga–Hunga Ha’apai eruption. Nature, 609, 741–746, https://doi.org/10.1038/s41586-022-05012-5, 2022.
Zhang-Liu, Y., Müller, R., Grooß, J.-U. et al.: The impact of dehydration and initial HCl on HCl null cycles and ozone loss in the Antarctic lower stratosphere in the core of the
polar vortex, to be submitted to ACP, 2022.
2021
Christoudias, T., Kirfel, T., Kerkweg, A., Taraborrelli, D., Moulard, G., Raffin, E., Azizi, V., van den Oord, G., and van Werkhoven, B. 2021. GPU Optimizations for Atmospheric Chemical Kinetics. In The International Conference on High Performance Computing in Asia-Pacific Region (HPCAsia ’21). Association for Computing Machinery, New York, NY, USA, 136–138. https://doi.org/10.1145/3432261.3439863
Danilov, S., Koldunov, N. V., Sidorenko, D., Scholz, P., and Wang, Q.: On the damping time scale of EVP sea ice dynamics. Journal of Advances in Modeling Earth Systems, 13, e2021MS002561. https://doi.org/10.1029/2021MS002561, 2021.
Emmerichs, T., Kerkweg, A., Ouwersloot, H., Fares, S., Mammarella, I., and Taraborrelli, D.: A revised dry deposition scheme for land–atmosphere exchange of trace gases in ECHAM/MESSy v2.54, Geosci. Model Dev., 14, 495–519, https://doi.org/10.5194/gmd-14-495-2021, 2021.
Franco, B., Blumenstock, T., Cho, C. et al. Ubiquitous atmospheric production of organic acids mediated by cloud droplets. Nature 593, 233–237, https://doi.org/10.1038/s41586-021-03462-x, 2021.
Hindley, N. P., Wright, C. J., Gadian, A. M., Hoffmann, L., Hughes, J. K., Jackson, D. R., King, J. C., Mitchell, N. J., Moffat-Griffin, T., Moss, A. C., Vosper, S. B., and Ross, A. N.: Stratospheric gravity waves over the mountainous island of South Georgia: testing a high-resolution dynamical model with 3-D satellite observations and radiosondes, Atmos. Chem. Phys., 21, 7695–7722, https://doi.org/10.5194/acp-21-7695-2021, 2021.
Hokkanen, J., Kollet, S., Kraus, J. et al.: Leveraging HPC accelerator architectures with modern techniques — hydrologic modeling on GPUs with ParFlow. Comput Geosci 25, 1579–1590, https://doi.org/10.1007/s10596-021-10051-4, 2021.
Stecher, L., Winterstein, F., Dameris, M., Jöckel, P., Ponater, M., and Kunze, M.: Slow feedbacks resulting from strongly enhanced atmospheric methane mixing ratios in a chemistry–climate model with mixed-layer ocean, Atmospheric Chemistry and Physics, 21, 731–754, https://acp.copernicus.org/articles/21/731/2021, 2021.
Weimer, M., Buchmüller, J., Hoffmann, L., Kirner, O., Luo, B., Ruhnke, R., Steiner, M., Tritscher, I., and Braesicke, P.: Mountain-wave-induced polar stratospheric clouds and their representation in the global chemistry model ICON-ART, Atmos. Chem. Phys., 21, 9515–9543, https://doi.org/10.5194/acp-21-9515-2021, 2021.
Winterstein, F. & Jöckel, P.: Methane chemistry in a nutshell – the new submodels CH4 (v1.0) and TRSYNC (v1.0) in MESSy (v2.54.0), Geoscientific Model Development, 14, 661–674, doi: 10.5194/gmd-14-661-2021, URLhttps://gmd.copernicus.org/articles/14/661/2021, 2021.
Wu, X., Hoffmann, L., Wright, C. J., Hindley, N. P., Kalisch, S., Alexander, M. J., and Wang, Y.: Stratospheric gravity waves as a proxy for Hurricane intensification: A case study of weather research and forecast simulation for Hurricane Joaquin. Geophysical Research Letters, 49, e2021GL097010. https://doi.org/10.1029/2021GL097010, 2021.
2020
Garny, H., Walz, R., Nützel, M., and Birner, T.: Extending the Modular Earth Submodel System (MESSy v2.54) model hierarchy: the ECHAM/MESSy IdeaLized (EMIL) model setup, Geoscientific Model Development, 13, 5229–5257, https://gmd.copernicus.org/articles/13/5229/2020, 2020.
Nickl, A.-L., Mertens, M., Roiger, A., Fix, A., Amediek, A., Fiehn, A., Gerbig, C., Galkowski, M., Kerkweg, A., Klausner, T., Eckl, M., and Jöckel, P.: Hindcasting and forecasting of regional methane from coal mine emissions in the Upper Silesian Coal Basin using the online nested global regional chemistry–climate model MECO(n) (MESSy v2.53), Geosci. Model Dev., 13, 1925–1943, https://doi.org/10.5194/gmd-13-1925-2020, 2020.
Yamashita, H., Yin, F., Grewe, V., Jöckel, P., Matthes, S., Kern, B., Dahlmann, K., and Frömming, C.: Newly developed aircraft routing options for air traffic simulation in the chemistry–climate model EMAC 2.53: AirTraf 2.0, Geoscientific Model Development, 13, 4869–4890, https://gmd.copernicus.org/articles/13/4869/2020, 2020.
2019
Brinkop, S. and Jöckel, P.: ATTILA 4.0: Lagrangian advective and convective transport of passive tracers within the ECHAM5/MESSy (2.53.0) chemistry–climate model, Geoscientific Model Development, 12, 1991–2008, https://www.geosci-model-dev.net/12/1991/2019, 2019.
Koldunov, N., S. Danilov, D. Sidorenko, N. Hutter, M. Losch, H. Goessling, N. Rakowsky, P. Scholz, D. Sein, Q. Wang and T. Jung,: Fast EVP solutions in a high-resolution sea ice model, 11, 1269–1284, J. Adv. Model. Earth Sys., https://doi.org/10.1029/2018MS00148, 2019.
Conference presentations
2022
Hartung, K. et al., Accelerating chemistry-climate simulations with MESSy, 10 Year Anniversary Workshop of NVIDIA Application Lab at Jülich, 2022.
Hoffmann, L. et al., MPTRAC: recent progress on Lagrangian transport simulations on GPUs, 10 Year Anniversary Workshop of NVIDIA Application Lab at Jülich, 2022.
Meyer, C. I. and the PilotLab ExaESM Team, The Pilot Lab Exascale Earth System Modelling, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, EGU22-10919, https://doi.org/10.5194/egusphere-egu22-10919, https://meetingorganizer.copernicus.org/EGU22/EGU22-10919.html, 2022.
Holke, J. and Spataro, L., Lossy compression by adaptive mesh refinement. Exploiting data compression for climate science workflows in the exascale era, 01.-02. Feb 2022, Online, https://elib.dlr.de/148663, 2022.
2021
Holke, J., Exascale-ready adaptive mesh refinement and applications in Earth system modelling. In: 19th Workshop on high performance computing in meteorology. 19th Workshop on high performance computing in meteorology, 20.09.2021 – 24.09.2021, Europe, https://elib.dlr.de/144163, 2021.
Holke, J., Enabling dynamic adaptive mesh refinement (in MESSy) using t8code. In: 10th EMAC Symposium. 10th EMAC Symposium, 31.05.2021 – 02.06.2021, online, https://elib.dlr.de/146910, 2021.
Christoudias, T., Kirfel, T., Kerkweg, A. et al., GPU Optimizations for Atmospheric Chemical Kinetics, in The International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2021), Association for Computing Machinery, New York, NY, USA, 136–138, https://doi.org/10.1145/3432261.3439863, 2021.
Versick, S., Fischer, T., Kirner, O., Meisel, T., and Meyer, J., Accelerating I/O in ESMs using on demand filesystems, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-12209, https://doi.org/10.5194/egusphere-egu21-12209, 2021.
2020
Versick, S., Kirner, O., Meyer, J., Obermaier, H., and Soysal, M., Performance gains in an ESM using parallel ad-hoc file systems, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-18121, https://doi.org/10.5194/egusphere-egu2020-18121, 2020.
Master theses
2022
Böing, N., Untersuchung von Präkonditionierern für implizite Löser für das Local DG-Verfahren zur Lösung der Advektions-Diffusionsgleichung, Universität zu Köln, https://elib.dlr.de/186347, 2022.
2021
Spataro, L., Lossy data compression for atmospheric chemistry using adaptive mesh coarsening, Technische Universität München, https://elib.dlr.de/144997, 2021.
Dreyer, L., The local discontinuous galerkin method for the advection-diffusion equation on adaptive meshes, Rheinische Friedrich-Wilhems-Universität Bonn, https://elib.dlr.de/143969, 2021.
Bachelor theses
2020
Vogelsang, J., A concept study of a flexible asynchronous scheduler for dynamic Earth System Model components on heterogeneous HPC systems, FH Aachen, https://juser.fz-juelich.de/record/888549, 2020.
