Christian Sommer

2025

• Koch, M., Sommer, C., Blindow, N., Lutz, K., Skvarca, P., Ruiz, L., Rizzoli, P., Bueso-Bello, J.-L., Fürst, J. J., and Braun, M. H.: The state and fate of Glaciar Perito Moreno Patagonia, Commun Earth Environ, 6, 572, https://doi.org/10.1038/s43247-025-02515-7, 2025.
• Temme, F., Sommer, C., Schaefer, M., Jaña, R., Arigony-Neto, J., Gonzalez, I., Izagirre, E., Giesecke, R., Tetzner, D., and Fürst, J. J.: Climate’s firm grip on glacier ablation in the Cordillera Darwin Icefield, Tierra del Fuego, Nat Commun, 16, 2677, https://doi.org/10.1038/s41467-025-57698-6, 2025.

2024

• The GlaMBIE Team, Zemp, M., Jakob, L., Dussaillant, I., Nussbaumer, S. U., Gourmelen, N., Dubber, S., A, G., Abdullahi, S., Andreassen, L. M., Berthier, E., Bhattacharya, A., Blazquez, A., Boehm Vock, L. F., Bolch, T., Box, J., Braun, M. H., Brun, F., Cicero, E., Colgan, W., Eckert, N., Farinotti, D., Florentine, C., Floricioiu, D., Gardner, A., Harig, C., Hassan, J., Hugonnet, R., Huss, M., Jóhannesson, T., Liang, C.-C. A., Ke, C.-Q., Khan, S. A., King, O., Kneib, M., Krieger, L., Maussion, F., Mattea, E., McNabb, R., Menounos, B., Miles, E., Moholdt, G., Nilsson, J., Pálsson, F., Pfeffer, J., Piermattei, L., Plummer, S., Richter, A., Sasgen, I., Schuster, L., Seehaus, T., Shen, X., Sommer, C., Sutterley, T., Treichler, D., Velicogna, I., Wouters, B., Zekollari, H., and Zheng, W.: Community estimate of global glacier mass changes from 2000 to 2023, Nature, 639, 382–388, https://doi.org/10.1038/s41586-024-08545-z, 2025.
• Lutz, K., Bever, L., Sommer, C., Seehaus, T., Humbert, A., Scheinert, M., and Braun, M.: Assessing supraglacial lake depth using ICESat-2, Sentinel-2, TanDEM-X, and in situ sonar measurements over Northeast and Southwest Greenland, The Cryosphere, 18, 5431–5449, https://doi.org/10.5194/tc-18-5431-2024, 2024.

2023

• Seehaus, T., Sommer, C., Dethinne, T., Malz, P., 2023. Mass changes of the northern Antarctic Peninsula Ice Sheet derived from repeat bi-static synthetic aperture radar acquisitions for the period 2013–2017. The Cryosphere 17, 4629–4644. https://doi.org/10.5194/tc-17-4629-2023
• Sommer, C., Fürst, J.J., Huss, M., Braun, M.H., 2023. Constraining regional glacier reconstructions using past ice thickness of deglaciating areas – a case study in the European Alps. The Cryosphere 17, 2285–2303. https://doi.org/10.5194/tc-17-2285-2023

2022

• Sommer, C., Seehaus, T., Glazovsky, A., Braun, M.H., 2022. Brief communication: Increased glacier mass loss in the Russian High Arctic (2010–2017). The Cryosphere 16, 35–42. https://doi.org/10.5194/tc-16-35-2022

2021

• Shahateet, K., Seehaus, T., Navarro, F., Sommer, C., Braun, M., Geodetic Mass Balance of the South Shetland Islands Ice Caps, Antarctica, from Differencing TanDEM-X DEMs. Remote Sens. 2021, 13, 3408. https://doi.org/10.3390/rs13173408
• Rounce, D. R., Hock, R., McNabb, R. W., Millan, R., Sommer, C., Braun, M. H., et al. (2021). Distributed global debris thickness estimates reveal debris significantly impacts glacier mass balance. Geophysical Research Letters, 48, e2020GL091311. https://doi.org/10.1029/2020GL091311

2020

• Sommer, C., Malz, P., Seehaus, T.C., Lippl, S., Zemp, M., Braun, M., 2020. Rapid glacier retreat and downwasting throughout the European Alps in the early 21^st century. Nat Commun 11, 3209 (2020). https://doi.org/10.1038/s41467-020-16818-0
• Farías-Barahona, D., Sommer, C., Sauter, T., Bannister, D., Seehaus, T., Malz, P., Casassa, G., Mayewski, P.A., Turton, J.V., Braun, M., 2020. „Detailed quantification of glacier elevation and mass changes in South Georgia“. Environmental Research Letters 15, 034036. https://doi.org/10.1088/1748-9326/ab6b32

2019

• Seehaus, T., Malz, P., Sommer, C., Lippl, S., Cochachin, A., Braun, M., 2019. Changes of the tropical glaciers throughout Peru between 2000 and 2016 – mass balance and area fluctuations. The Cryosphere 13, 2537–2556. https://doi.org/10.5194/tc-13-2537-2019
• Benn, D.I., Jones, R.L., Luckman, A., Fürst, J.J., Hewitt, I., Sommer, C., 2019. Mass and enthalpy budget evolution during the surge of a polythermal glacier: a test of theory. J. Glaciol. 65, 717–731. https://doi.org/10.1017/jog.2019.63
• Braun, M.H., Malz, P., Sommer, C., Farías-Barahona, D., Sauter, T., Casassa, G., Soruco, A., Skvarca, P., Seehaus, T.C., 2019. Constraining glacier elevation and mass changes in South America. Nature Clim Change 9, 130–136. https://doi.org/10.1038/s41558-018-0375-7

• since January 2023: Postdoctoral researcher
• December 2022: PhD „Glacier elevation change from SAR interferometry – Glacier mass change and volume reconstruction from remote sensing acquisitions in the European Alps and subpolar & polar regions“
• 2017 – 2022: Research assistant & PhD student, FAU Institut für Geographie, Erlangen
• 2016: Research assistant Universidad Austral de Chile, Valdivia, Chile
• 2015 – 2017: Master of Science Physical Geography, FAU Erlangen-Nürnberg, thesis: „Glacier Elevation and mass change in the Hindu Kush mountain range estimated from TanDEM-X and SRTM C-band SAR elevation models“
• 2014: Research assistant C-CORE, St. John´s, Canada
• 2011 – 2015: Bachelor of Science Physical Geography,  FAU Erlangen-Nürnberg