Clemens Schannwell

TerraDT - Digital Twin of Earth System for Cryosphere, Land surface and related interactions

PalMod -  From the Last Interglacial to the Anthropocene - Modeling a Complete Glacial Cycle

Scalar - Quantifying millennial timescale grounding-line retreat in East Antarctica

Since December 2023

Research Scientist at Max Planck Institute für Meteorology, Germany

November 2019 - December 2023

Postdoc at Max Planck Institute for Meteorology, Germany

June 2017 - November 2019

Postdoc at University of Tübingen, Germany

November 2013- June 2017

PhD in Glaciology University of Birmingham and British Antarctic Survey, UK

2012-2013

MSc by Research in Glaciology, Swansea University, UK

2008-2012

BSc in Geography, University of Bonn, Germany

[17] Testorf, P., Schannwell, C., Kapsch, M.-L., & Mikolajewicz, U. (2026). Coupled climate-ice-sheet simulations reveal novel teleconnection between northern hemisphere ice sheets and the Antarctic ice sheet. Geophysical Research Letters, 53, e2025GL118959. https://doi.org/10.1029/2025GL118959 

[16]  Henry, A. C. J., Schannwell, C., Višnjević, V., Millstein, J., Bons, P. D., Eisen, O., and Drews, R. (2025). Predicting the three-dimensional stratigraphy of an ice rise. Journal of Geophysical Research: Earth Surface, 130, e2024JF007924, https://doi.org/10.1029/2024JF007924. 

[15] Mikolajewicz, U., Kapsch, M.-L., Schannwell, C., Six, K. D., Ziemen, F. A., Bagge, M., Baudouin, J.-P., Erokhina, O., Gayler, V., Klemann, V., Meccia, V. L., Mouchet, A., and Riddick, T. (2025). Deglaciation and abrupt events in a coupled comprehensive atmosphere–ocean–ice-sheet–solid-earth model, Clim. Past, 21, 719–751, https://doi.org/10.5194/cp-21-719-2025.

[14] Schannwell, C., Mikolajewicz, U., Kapsch, M.-L., and Ziemen, F. (2024). A mechanism for reconciling the synchronisation of Heinrich events and Dansgaard-Oeschger cycles. Nature Communications, 15, 2961, https://doi.org/10.1038/s41467-024-47141-7.

[13] Schannwell, C., Mikolajewicz, U., Ziemen, F., and Kapsch, M.-L. (2023). Sensitivity of Heinrich-type ice-sheet surge characteristics to boundary forcing perturbations. Clim. Past, 19, 179–198, https://doi.org/10.5194/cp-19-179-2023.

[12] Višnjević, V., Drews, R., Schannwell, C., Koch, I., Franke, S., Jansen, D., and Eisen, O. (2022). Predicting the steady-state isochronal stratigraphy of ice shelves using observations and modeling. The Cryosphere, 16, 4763–4777, https://doi.org/10.5194/tc-16-4763-2022.

[11] Henry, A. C. J., Drews, R., Schannwell, C., and Višnjević, V. (2022). Hysteretic evolution of ice rises and ice rumples in response to variations in sea level. The Cryosphere, 16, 3889–3905, https://doi.org/10.5194/tc-16-3889-2022.

[10] Kapsch, M.-L., Mikolajewicz, U., Ziemen, F., and Schannwell, C. (2022). Ocean response in transient simulations of the last deglaciation dominated by underlying ice-sheet reconstruction and method of meltwater distribution'. Geophysical Research Letters, 49, e2021GL096767. https://doi.org/10.1029/2021GL096767.

[9] Kapsch, M.-L., Mikolajewicz, U., Ziemen, F. A., Rodehacke, C. B., and Schannwell, C. (2021). Analysis of the surface mass balance for deglacial climate simulations. The Cryosphere, 15, 1131–1156, https://doi.org/10.5194/tc-15-1131-2021.

[8] Schannwell, C., Drews, R., Ehlers, T. A., Eisen, O., Mayer, C., Malinen, M., Smith, E. C., and Eisermann, H. (2020). Quantifying the effect of ocean bed properties on ice sheet geometry over 40 000 years with a full-Stokes model. The Cryosphere, 14, 3917–3934, https://doi.org/10.5194/tc-14-3917-2020.

[7] Drews, R., Schannwell, C., Ehlers, T. A., Gladstone, R., Pattyn, F., and Matsuoka, K. (2020). Atmospheric and oceanographic signatures in the ice‐shelf channel morphology of Roi Baudouin Ice Shelf, East Antarctica, inferred from radar data. Journal of Geophysical Research - Earth Surface, 125, e2020JF005587, https://doi.org/10.1029/2020JF005587.

[6] Schannwell, C., Drews, R., Ehlers, T. A., Eisen, O., Mayer, C., and Gillet-Chaulet, F. (2019). Kinematic response of ice-rise divides to changes in ocean and atmosphere forcing. The Cryosphere, 13, 2673–2691, https://doi.org/10.5194/tc-13-2673-2019.

[5] Schannwell, C., Cornford, S., Pollard, D., and Barrand, N. E. (2018). Dynamic response of Antarctic Peninsula Ice Sheet to potential collapse of Larsen C and George VI ice shelves. The Cryosphere, 12, 2307-2326, https://doi.org/10.5194/tc-12-2307-2018.

[4] Mayer, C., Schaffer. J., Hattermann, T., Floricioiu, D., Krieger, L., Dodd, P. A., Kanzow, T., Licciulli, C., and Schannwell, C. (2018). Large ice loss variability at Nioghalvfjerdsfjorden Glacier, Northeast-Greenland. Nature Communications 9 (1), 2768, doi: 10.1038/s41467-018-05180-x.

[3] Schannwell, C., Barrand, N.E., and Radic, V. (2016). Future sea-level rise from tidewater and ice-shelf tributary glaciers of the Antarctic Peninsula. Earth and Planetary Science Letters, 453, 161-170, http://dx.doi.org/10.1016/j.epsl.2016.07.054.

[2] Schannwell, C., Barrand, N.E., and Radic, V. (2015). Modeling ice dynamic contributions to sea level rise from the Antarctic Peninsula. Journal of Geophysical Research - Earth Surface, 120, 2374-2392, doi: 10.1002/2015JF003667.

[1] Schannwell, C., Murray, T., Kulessa, B., Gusmeroli, A., Saintenoy, A., and Jansson, P. (2014). An automatic approach to delineate the cold-temperate transition surface with ground-penetrating radar on polythermal glaciers. Annals of Glaciology 55 (67), 89-96, doi:10.3189/2014AoG67A102.