Alexandre Honiat
Innsbruck Quaternary Research Group
PhD project
The subglacial speleothem archive
Research interests
• Understanding the processes that lead to subglacial speleothem formation
• Expanding paleoclimate records during glacials using subglacial speleothems
• Cave monitoring: how dripstone caves respond to global warming
Short CV
2023- PhD candidate in Earth Sciences at the University of Innsbruck, Austria
2022-2023 Climatological engineer at the Géologie Environnement Conseil engineering
office, Saint-girons, France
2020-2022 MSc in Earth science at the University Paul Sabatier, Toulouse III, France
First semester at the University of Iceland (Erasmus)
2019-2020 Bachelor in Earth science at the University Paul Sabatier, Toulouse III, France
2018-2019 Bachelor in Physics, Instrumentation and Energy at the University Paul
Sabatier, Toulouse III, France
2016-2018 Technician degree in Physical Measurements at the University Paul Sabatier,
Toulouse III, France
Grants and scholarships
2020 European Mobility Programme in Iceland
2018 Regional scholarship for an internship at the Brazilian National Institute of Space Research
Professional and community involvement
2022- Member of “Groupe d’études du milieu souterrain” (Underground environment study group)
2022- Member of the association Centre-Terre
2019 French Federal diploma of caving, federal course supervision
2016- Member of the association Continent 8
2007- Member of the Speleological Group of Couserans (GSC)
Pictures
Publications
Spötl, C., Treyer, A., Zauner, H., Honiat, A., Zhang, H. (2026): Hochalpiner Marmorkarst und Höhlen im Venedigergebiet (Dorfertal, Osttirol). – Die Höhle, 77, 21-35
Baker, J.L., Honiat, A., Moseley, G.E., Wynn, P.M., Ruan, J., Hollowood, S., Mertz-Krause, R., Jia, X., Cheng, H., Edwards, R.L. & Spötl, C. (2026): Climatic transitions across Marine Isotope Stage 10–12 in the Alps evidenced by subglacial speleothems. – Communications Earth & Environment, https://doi.org/10.1038/s43247-026-03942-w.
Honiat, A., Honiat, C., Luetscher, M., Edwards, R.L. & Spötl, C. (2026): Alpine speleothem records millennial-scale climate variability during Marine Isotope Stage 10. – Quaternary Science Advances, 23, 100332, https://doi.org/10.1016/j.qsa.2026.100332
Honiat, A., Baker, J.L., Moseley, G.E., Trüssel, M., Edwards, R.L., Spötl, C. (2026): Climate sensitivity and glacial inception in the European Alps across marine isotope stage 11 and 10. – Quaternary Science Reviews, 384, 110003, https://doi.org/10.1016/j.quascirev.2026.110003
Honiat, A., Bourges, F., Skali-Lami, S. & Lartiges, B. (2025): Measurements of water film thickness on cave walls and speleothems. - International Journal of Speleology, 54, ijs2568. https://doi.org/10.5038/1827-806X.ijs2568.
Koltai, G., Kluge, T., Krüger, Y., Spötl, C., Rinyu, L., Audra, P., Honiat, C., Leél-Őssy, S., Dublyansky, Y. (2024): Geothermometry of calcite spar at 10-50°C. – Scientific Reports, 14:1553, https://www.nature.com/articles/s41598-024-51937-4.
Spötl, C., Baker, J.L., Skiba, V., Honiat, A., Fohlmeister, J., Luetscher, M., Trüssel, M. (2024): Speleothems in subglacial caves: An emerging archive of glacial climate history and mountain glacier dynamics. – Quaternary Science Reviews, 333, 108684, https://doi.org/10.1016/j.quascirev.2024.108684.
Koltai, G., Spötl, C., Rinyu, L., Honiat, C., Racine, T., Zhang, H., Krüger, Y. & Dublyansky, Y. (2024): Late-stage evolution of hypogene caves at Tyuya-Muyun (Kyrgyzstan): Quantitative insights from mineral deposits. – Chemical Geology, 670, 122454.