1097: Multiscale Dynamics of Atmospheric Gravity Waves

Principal investigator: Ulrich Achatz

Universität Frankfurt, Institut für Atmosphäre und Umwelt (Community project)

Project abstract

Report 1/2019 to 12/2019
Report 1/2020 to 12/2020
Report 1/2021 to 12/2021
Report 1/2022 to 12/2022
Report 1/2023 to 12/2023
Report 1/2024 to 12/2024
Report 1/2025 to 12/2025
Report 1/2026 to 12/2026

Publications

• DOI: 10.5194/acp-26-9541-2026, Procházková, Z., Mahmoudi, E., Chew, R., Dolaptchiev, S., Stephan, C. C., Völker, G. S., and Achatz, U.: Variability of local gravity wave spectra from data of a high-resolution icosahedral-grid global model, Atmos. Chem. Phys., 26, 9541–9558, https://doi.org/10.5194/acp-26-9541-2026, 2026.
• DOI: 10.1029/2025JD045506, Kühner, T., Völker, G. S., & Achatz, U. (2026). Impact of non‐classical gravity‐wave dynamics on middle‐atmosphere mean flow and solar tides. Journal of Geophysical Research: Atmospheres, 131, e2025JD045506. https://doi.org/10.1029/2025JD045506
• DOI: 10.1029/2025JD045270, Banerjee, T., Kim, Y. H., Voelker, G. S., Borchert, S., Kosareva, A., Kunkel, D., et al. (2026). The impact of non‐orographic gravity waves on transport and mixing: Effects of oblique propagation and coupling to turbulence. Journal of Geophysical Research: Atmospheres, 131, e2025JD045270. https://doi.org/10.1029/2025JD045270
• DOI: 10.48550/arXiv.2606.21278, Banerjee, T., Jochum, F., & Achatz, U. (2026). Elastic Non-Uniform FFT (ENUFFT) spectral reconstruction of irregularly sampled orography on unstructured grids. ArXiv. https://arxiv.org/abs/2606.21278
• DOI: 10.1175/JAS-D-24-0158.1, Jochum, F., R. Chew, F. Lott, G. S. Voelker, J. Weinkaemmerer, and U. Achatz, 2025: The Impact of Transience in the Interaction between Orographic Gravity Waves and Mean Flow. Journal of the Atmospheric Sciences, 82 (2), 425–442, https://doi.org/10.1175/JAS-D-24-0158.1.
• DOI: 10.48550/arXiv.2509.21939, Kühner, T., G. S. Voelker, and U. Achatz, 2025: Impact of non-classical gravity-wave dynamics on middle- atmosphere mean flow and solar tides. arXiv preprint arXiv:2509.21939. Kühner, T., G. S. Voelker, and U. Achatz, 2025: Impact of non-classical gravity-wave dynamics on middle- atmosphere mean flow and solar tides. arXiv preprint arXiv:2509.21939.
• DOI: 10.5194/gmd-18-6117-2025, Kosareva, A., S. Dolaptchiev, P. Spichtinger, and U. Achatz, 2025: A new parameterisation for homogeneous ice nucleation driven by highly variable dynamical forcings. Geoscientific Model Development, 18 (18), 6117–6133, https://doi.org/10.5194/gmd-18-6117-2025.
• DOI: 10.48550/arXiv.2508.20562, Banerjee, T., and Coauthors, 2025: The impact of non-orographic gravity waves on transport and mixing: Effects of oblique propagation and coupling to turbulence. arXiv preprint arXiv:2508.20562.
• DOI: 10.1175/jas-d-22-0234.1, Dolaptchiev, S., P. Spichtinger, M. Baumgartner, and U. Achatz, 2023: Interactions between gravity waves and cirrus clouds: asymptotic modeling of wave induced ice nucleation. J. Atmos. Sci., 80 (12), 2861–2879, https://doi.org/10.1175/jas-d-22-0234.1.
• DOI: 10.1063/5.0165180, Achatz, U., Y.-H. Kim, and G. S. Voelker, 2023: Multi-scale dynamics of the interaction between waves and mean flows: From nonlinear WKB theory to gravity-wave parameterizations in weather and climate models. J. Math. Phys., 64 (11), https://doi.org/10.1063/5.0165180
• DOI: 10.1175/JAS-D-23-0210.1, Achatz, U., and Coauthors, 2024: Atmospheric Gravity Waves: Processes and Parameterization. J. Atmos. Sci., 81 (2), 237 – 262, https://doi.org/10.1175/JAS-D-23-0210.1.
• DOI: 10.1029/2024MS004361, Chew, R., S. Dolaptchiev, M. Wedel, and U. Achatz, 2024: A Constrained Spectral Approximation of Subgrid-Scale Orography on Unstructured Grids. Journal of Advances in Modeling Earth Systems, 16 (8), e2024MS004 361, https://doi.org/10.1029/2024MS004361
• DOI: 10.48550/ARXIV.2408.03139, Jochum, F., R. Chew, F. Lott, G. S. Voelker, J. Weinkaemmerer, and U. Achatz, 2024: The impact of transience in the interaction between orographic gravity waves and mean flow. arXiv, https://doi.org/10.48550/ARXIV.2408.03139
• DOI: 10.5194/acp-24-3297-2024, Kim, Y.-H., G. S. Voelker, G. Bölöni, G. Zängl, and U. Achatz, 2024: Crucial role of obliquely propagating gravity waves in the quasi-biennial oscillation dynamics. Atmos. Chem. Phys., 24 (5), 3297–3308, https://doi.org/10.5194/acp-24-3297-2024
• DOI: 10.1175/JAS-D-23-0153.1, Voelker, G. S., G. Bölöni, Y.-H. Kim, G. Zängl, and U. Achatz, 2024: MS-GWaM: A Three-Dimensional Transient Gravity Wave Parametrization for Atmospheric Models. J. Atmos. Sci., 81 (7), 1181 – 1200, https://doi.org/10.1175/JAS-D-23-0153.1
• DOI: 10.1175/JAS-D-20-0066.1, Kim, Y.-H., G. Bölöni, S. Borchert, H.-Y. Chun, and U. Achatz. 2020. “Towards transient subgrid-scale gravity wave representation in atmospheric models. Part II: Wave intermittency simulated with convective sources.” J. Atmos. Sci., doi:10.1175/JAS-D-20-0066.1
• DOI: 10.48550/arXiv.2309.11257, Völker, G.S., Bölöni, G., Kim, Y.-H., Zängl, G., and U. Achatz, 2023: MS-GWaM: A 3-dimensional transient gravity-wave parameterization for atmospheric models. J. Atmos. Sci., submitted
• DOI: 10.48550/ARXIV.2309.15301, Kim, Y.-H., Völker, G.S., Bölöni, G., Zängl, G., and U. Achatz, 2023: Crucial Role Obliquele Propagating GRavity Waves in Tropical Stratospheric Circulation. Nature Comm., submitted
• DOI: 10.1029/2021GL095226, Kim, Y.-H., and U. Achatz, 2021: Interaction Between Stratospheric Kelvin Waves and Gravity Waves in the Easterly QBO Phase. Geophys. Res. Lett., 48, e2021GL095226
• DOI: 10.1175/JAS-D-20-0065.1, Bölöni, G., Y.-H. Kim, S. Borchert, and U. Achatz, 2021: Toward transient subgrid-scale gravity wave representation in atmospheric models. Part I: Propagation model including nondissipative wave–mean-flow interactions. J. Atmos. Sci., 78, 1317-1338, https://doi.org/10.1175/JAS-D-20-0065.1.
• DOI: 10.1175/JAS-D-20-0065.1, Bölöni, G., Y.-H. Kim, S. Borchert, and U. Achatz, 2021: Toward transient subgrid-scale gravity wave representation in atmospheric models. Part I: Propagation model including nondissipative wave–mean-flow interactions. J. Atmos. Sci., 78, 1317-1338, https://doi.org/10.1175/JAS-D-20-0065.1.
• DOI: 10.1175/JAS-D-20-0066.1, Kim, Y.-H., G. Bölöni, S. Borchert, H.-Y. Chun, and U. Achatz. 2020. “Towards transient subgrid-scale gravity wave representation in atmospheric models. Part II: Wave intermittency simulated with convective sources.” J. Atmos. Sci., doi:10.1175/JAS-D-20-0066.1
• DOI: 10.1175/JAS-D-20-0066.1, Kim, Y.-H., G. Bölöni, S. Borchert, H.-Y. Chun, and U. Achatz. 2020. “Towards transient subgrid-scale gravity wave representation in atmospheric models. Part II: Wave intermittency simulated with convective sources.” J. Atmos. Sci., doi:10.1175/JAS-D-20-0066.1
• Bölöni, G., Y.-H. Kim, S. Borchert, and U. Achatz. 2020. “Towards transient subgrid-scale gravity wave representation in atmospheric models. Part I: Propagation model including direct wave-mean-flow Interactions.” J. Atmos. Sci., revised