Affiliated researcher

Charlotte Honiat

Innsbruck Quaternary Research Group

PhD project
The Last Interglacial in the Alps

Research Interests
• Using speleothems as high-resolution climate archives
• Understanding the climate history of the Alps
• High-latitude speleothem paleoclimate records from Patagonia

Short CV
2018-2022     PhD candidate in Earth Sciences at the University of Innsbruck, Austria
2016-2018    MSc in Earth Science from the Normal Superior School (ENS) and the University Claude-Bernard, Lyon, France. Second year completed in exchange at the ETH Zurich, Switzerland
2013-2016    Bachelor in Environmental and Earth Sciences at the University Paul Sabatier, Toulouse III, France. Third year completed in exchange with the University of Oregon, USA 
2013              French Baccalaureate in Science

Grants and scholarships
2021    Tiroler Wissenschaftsförderung (TWF) for the project "Palaeoclimate research in Patagonian caves"
2017    Swiss-European Mobility Programme (formerly Erasmus)
2015    Trans-Atlantic Science Student Exchange Program (TASSEP) 
2013-2016     French government Merit-based scolarship

Professional and Community involvement

• Member of the Speleological Group of Couserans (GSC09) since 2007
• Scientific co-coordinator of UP2023 with Centre-Terre 




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,

Honiat, C., Koltai, G., Dublyansky, Y., Edwards, R.L., Zhang, H., Cheng, H., Spötl, C. (2023): A paleoprecipitation and paleotemperature reconstruction of the Last Interglacial in the southeastern Alps. – Climate of the Past, 19, 1177-1199.

Jaillet, S., Honiat, C., Pons-Branchu, E., Couchoud, I., Hobléa, F., Racine, T., Spötl, C. (2023): Cave sediments in the Western Bauges karst: A record of Middle and Upper Pleistocene glacial advances in the French Alps. – Geomorphology, 433. 108707.

Perrin, C., Honiat, C., Prestimonaco, L. (2022): Deciphering paleohydrology from the petrography and microstratigraphy of stalagmites (MIS 5 – Holocene, Moulis Cave, Ariège, S. France). - Sedimentary Geology, 440, 106256,

Honiat, C., Festi, D., Wilcox, P., Edwards, R.L., Cheng, H., Spötl, C. (2022): Early Last Interglacial environmental changes recorded by speleothems from Katerloch (south-east Austria). – Journal of Quaternary Science, 37, 665-676.

Spötl, C., Gruber, A., Racine, T., Scholz, D., Honiat, C. (2021): Karst und Höhlen am Guffert (Nordtirol). – Die Höhle, 72, 92-107.

Spötl, C., Dublyansky, Y., Koltai, G., Honiat, C., Plan, L., Angerer, T. (2021): Stable isotope imprint of hypogene speleogenesis: Lessons from Austrian caves. – Chemical Geology, 572, 120209,

Wilcox, P.S., Honiat, C., Trüssel, M., Edwards, R.L., Spötl, C. (2020): Exceptional warmth and climate instability occurred in the European Alps during the Last Interglacial period. – Communications Earth & Environment, 1:57,