Tropical climate variability and speleothem science Publications

This page provides an overview of our peer-reviewed articles in academic journals, including preprints currently under review and published theses (dissertations). The list also includes non-peer-reviewed articles in journals or magazines, as well as reports on our group’s research in daily newspapers and TV documentaries.

Recent press releases

New Publication

Age Determination and Climate implications of a dramatic European Volcanic Eruption

New publication in Communications Earth & Environment

Dripstones offer insights into climate dynamics in Europe

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Year	Type	Publication

Year	Type	Publication
2026	Preprint	Greve, S., Frank, N., Warken, S., Montagna, P., Winter, A., Rico-Esenaro, S. D., Carricart-Ganivet, J. P., Sanchez-Cabeza, J.-A., Ruiz-Fernández, A. C., Alonso-Hernández, C., Gomez–Batista, M., Taviani, M., and Hetzinger, S.: Precision measurement of δ²³⁴U in annually banded tropical corals, EGUsphere
2026	Preprint	Schorndorf, N., Warken, S. F., Eichstädter, R., Mielke, A.S., J Avilés Olguin, Keppler, F., Hennhöfer, D., J., Tec Pool., F., Evia, C., José Gomez, M., Stinnesbeck, W. & Frank, N. (in discussion). Challenges of initial Thorium and Approaches to Robust Speleothem Age Models: A case study from the Yucatán peninsula, Mexico. EGUsphere
2026	Preprint	Treble, P. C., Zang, Y., Kaushal, N., Hatvani, I. G., Tanos, P., Kern, Z., Baker, A., Hartmann, A., Lechleitner, F. A., Belanger, B., Daudt de Oliveira, B., Sinclair, W., Riechelmann, D. F. C., Hidas, A., Yoshimura, K., Comas-Bru, L., and the SISAL working group members (inkl. Warken., S.): SISAL_monv1: a global database of cave monitoring observations, Earth Syst. Sci. Data Discussions
2026	peer reviewed	Greve, S., Frank, N., Montagna, P., Alonso-Hernandez, C., Douville, E., and Warken, S.F. (2026). δ²³⁴U Values of the last 230 years in a Cuban coral reflect increasing hydrological variability during the end of the Little Ice Age. Ocean Science 22, 1529–1544
2026	peer reviewed	Li, Y., Spötl, C., Baker, J., Warken, S.F., Tokarev, S., Amelichev, G., Cheng, H., Mielke, A., Koltai, G., & Dublyansky, Y. (2026) Crimean speleothems reveal 50,000 years of climate variability and contrasting controls across the Black Sea region. Quaternary Science Reviews, 385, 109995.
2025	peer reviewed	Li, H., Sinha, A., Winter, A., Duan, P., Warken, S., Hu, J., ... & Cheng, H. (2025). North Atlantic Subtropical High forcing of Atlantic Warm Pool hydroclimate variability on millennial to orbital timescales. Science Advances, 11(48), eaea5042.
2025	peer reviewed	Winter, A., Warken, S., Zanchettin, D., Lachniet, M., Rubino, A., Miller, T., & Cheng, H. (2025). Evidence for persistent drought over Mesoamerica between 1400 and 1600 CE. Paleoceanography and Paleoclimatology, 40(10), e2025PA005211.
2025	Dissertation	Greve, S. (2025). From River to Reef: Developing Coral δ234U as a Proxy for Freshwater Influence in the Caribbean and Beyond (Doctoral dissertation, Universitätsbibliothek Heidelberg)
2025	Dissertation	Wu, Y. (2025). Advances in Fluid Inclusion Water Isotope Analysis and Late Quaternary Hydrological Environment Reconstruction in the Asian Monsoon Region (Doctoral dissertation, Universitätsbibliothek Heidelberg)
2025	peer reviewed	Wu, Y., Hölkermann, D., Grund, A., Warken, S. F & Frank, N. (2025). Environmental and calcification impacts on the δ¹⁸O and δ²H values of cold-water coral skeleton fluid inclusions. Geochemistry, Geophysics, Geosystems, 26, e2024GC011981
2025	peer reviewed	Sengupta, D., Dutt, S., Warken, S.F., Singam, A., Frank, N., et al. (2025). Climate-change induced human migration and socio-political changes in eastern India during the Meghalayan Age. Palaeogeography, Palaeoclimatology, Palaeoecology. 667, 112873
2025	peer reviewed	Warken, S.F., Schmitt, A.K., Scholz, D., et al. (2025) Discovery of Laacher See Eruption in Speleothem Record Synchronizes Greenland and Central European Late Glacial Climate Change. Science Advances.
2025	Presse	“Zeugen des Infernos in der Osteifel”, FAZ, 9.3.2025
2025	Sonstiger Artikel	“Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano”, EOS magazine, 21.2.2025
2025	Presse	“Vulkanausbruch in der Eifel genau datiert”, FAZ, 30.01.2025
2025	Presse	“Wie ein Breitscheider Tropfstein der Wissenschaft hilft”, Herborner Tageblatt, 25.1.2025
2025	peer reviewed	Kerber, I., Kontor, F., Mielke, A., Warken, S.F., & Frank, N. (2025). Technical note: „U-Th Analysis” – an open-source software dedicated to MCICPMS U-series-data treatment and evaluation. Geochronology.
2024	Dissertation	Schorndorf, N. (2024). Soil-sensitive proxies in Northeast Yucatán speleothems since the classic Maya period (Doctoral dissertation, Universitätsbibliothek Heidelberg).
2024	peer reviewed	Warken, S.F., Fohlmeister, J., Riechelmann, D.F.C., Schröder-Ritzrau, A., et al. (2024) Dynamic processes determine precipitation variability in Eastern Central Europe since the Last Glacial Maximum. Nature Communications Earth & Environment.
2024	Sonstiger Artikel	Warken, S. F. (2024): Tropfsteine: Apokalyptische Zeitzeugen, In: ERINNERN & VERGESSEN, Forschungsmagazin „Ruperto Carola“, Heidelberg University, Issue 07/24.
2024	peer reviewed	Kaushal, N., Lechleitner, F.A., Wilhelm, M., and SISAL working group members (incl. Warken, S.), (2024) SISALv3: A global speleothem stable isotope and trace element database. Earth System Science Data, 16, 1933-1963,
2024	peer reviewed	Vieten, R., *Warken, S. F.,** Zanchettin, D., Winter, A., Scholz, D., Black, D., Koltai, G., & Spötl, C., (2024). Northeastern Caribbean rainfall variability linked to solar and volcanic forcing. Paleoceanography and Paleoclimatology, e2023PA004720.
2024	peer reviewed	Vieten, R., *Warken, S.F.,** Winter, A., Scholz, D., Zanchettin D., Black, D., Lachniet, M. (2024). A Sequence of Abrupt Climatic Fluctuations in the Northern Caribbean related to the 8.2 ka event. The Holocene, 34(3), 325-337.
2023	peer reviewed	Wu, Y., Warken, S.F., Frank, N., Mielke, A., Chen, C.-J., Li, J.-Y. & Li, T.-Y. (2023) Northern Hemisphere summer insolation and ice volume driven variations in hydrological environment in southwest China. Geophysical Research Letters 50(23), e2023GL105664.
2023	peer reviewed	Schorndorf, N., Frank, N., Ritter. S.M., Warken, S. F., Scholz, C., Keppler, F., et al. (2023). Mid- to late Holocene sea-level rise recorded in Hells Bells 234U/238U ratio and geochemical composition. Scientific Reports 13, 10011,
2023	peer reviewed	Kerber, I. K., Arps, J., Eichstädter, R., Kontor, F., Dornick, C., Schröder-Ritzrau, A., Babu, A., Warken, S., and Frank, N. (2023). Simultaneous U and Th isotope measurements for U-series dating using MCICPMS. Nuclear Inst. and Methods in Physics Research, B, 539, 169-178,
2023	peer reviewed	Weißbach, T., Kluge, T., Affolter, S., Leuenberger, M.C., Vonhof, H. et al (incl. Warken, S. F.). (2023) Constraints for precise and accurate fluid inclusion stable isotope analysis using water-vapour saturated CRDS techniques. Chemical Geology. 617, 121268.
2022	peer reviewed	Warken, S. F., Kuchalski, L., Schröder-Ritzrau, A., Vieten, R., Schmidt, M., et al. (2022). The impact of seasonal and event-based infiltration on transition metals (Cu, Ni, Co) in tropical cave drip waters. Rapid Communications in Mass Spectrometry, e9278,
2022	peer reviewed	Warken, S. F., Weißbach, T., Kluge, T., Scholz, D., Vonhof, H., Vieten, R., et al. (2022). Last glacial millennial-scale hydro-climate and temperature changes in Puerto Rico constrained by speleothem fluid inclusion δ¹⁸O and δ²H values. Climate of the Past: 18(1): 167–181,
2021	TV/Doku	“Die sieben großen Rätsel der Erdgeschichte”, ZDF Info documentary
2021	Sonstiger Artikel	Piepjohn, K., Schröder-Ritzrau, A., Becker, A., Warken, S., Eichstädter, R. (2021). Die Erdmannshöhle bei Hasel, in: Chronik 1.200 Jahre Hasel
2021	peer reviewed	Steidle, S.D., Warken, S. F., Schorndorf, N., Förstel, J., Schröder-Ritzrau, A., Moseley, G.E., et al. (2021). Reconstruction of Middle to Late Quaternary sea level using submerged speleothems from the northeastern Yucatán Peninsula. Journal of Quaternary Science 36: 1190-1200
2021	peer reviewed	Warken, S. F., Schorndorf, N., Stinnesbeck, W., Hennhöfer, D., Stinnesbeck, S.R., Förstel, J., et al. (2021). Solar forcing of early Holocene droughts on the Yucatán peninsula. Scientific Reports 11, 13885,
2020	peer reviewed	Warken, S. F., Vieten, R., Winter, A., Spötl, C., Miller, T. E., Jochum, K. P., et al. (2020). Persistent link between Caribbean precipitation and Atlantic Ocean circulation during the Last Glacial revealed by a speleothem record from Puerto Rico. Paleoceanography and Paleoclimatology, 35: e2020PA003944
2020	peer reviewed	Stinnesbeck, W., Rennie, S., Avilés Olguin, J., Stinnesbeck, S.R., Gonzalez, S., Frank, N., Warken, S. F., Schorndorf, N., Krengel, T., Velázquez Morlet, A., González González, A., (2020): New evidence for an early settlement of the Yucatán Peninsula, Mexico: The Chan Hol 3 woman and her meaning for the Peopling of the Americas. PLoS One, 15(2), e0227984
2019	peer reviewed	Warken, S. F., Scholz, D., Spötl, C., Jochum K.P., Pajón, J.M., Bahr, A., Mangini, A., (2019). Caribbean hydroclimate and vegetation history across the last glacial period. Quaternary Science Reviews, 218, 75-90.
2019	peer reviewed	Comas-Bru, L., Harrison, S. P., Werner, M., Rehfeld, K., Scroxton, N., Veiga-Pires, C., and SISAL working group members (incl. Warken, S.), (2019). Evaluating model outputs using integrated global speleothem records of climate change since the last glacial, Climate of the Past, 15, 1557–1579.
2019	peer reviewed	Oster, J.L., Warken, S.F., Sekhon, N., Arienzo, M., Lachniet, M. (2019). Speleothem paleoclimatology for the Caribbean, Central America, and North America. Quaternary 2 (1):5.
2018	peer reviewed	Warken, S.F., Fohlmeister, J., Schröder-Ritzrau, A., Constantin, S., Spötl, C., Gerdes, A., Esper, J., Frank, N., Arps, J., Terente, M., Riechelmann, D.F.C., Mangini, A., Scholz, D., (2018). Reconstruction of late Holocene autumn/winter precipitation variability in SW Romania from a high-resolution speleothem trace element record. Earth and Planetary Science Letters 499, 122-133.
2018	peer reviewed	Vieten, R., Warken, S., Winter, A., Schröder‐Ritzrau, A., Scholz, D., Spötl, C., (2018). Hurricane Impact on Seepage Water in Larga Cave, Puerto Rico. Journal of Geophysical Research: Biogeosciences 123 (3), 879-888.
2018	Buchkapitel	Vieten, R., Warken, S., Winter, A., Scholz, D., Miller, T., Spötl, C., Schröder-Ritzrau, A., (2018). Monitoring of Cueva Larga, Puerto Rico—A First Step to Decode Speleothem Climate Records, in: White, W.B., Herman, J.S., Herman, E.K., Rutigliano, M. (Eds.), Karst Groundwater Contamination and Public Health: Beyond Case Studies. Springer International Publishing, Cham, pp. 319-331.
2018	peer reviewed	Vieten, R., Winter, A., Warken, S.F., Schröder-Ritzrau, A., Miller, T.E., Scholz, D., (2016). Seasonal temperature variations controlling cave ventilation processes in Cueva Larga, Puerto Rico. International Journal of Speleology 45, 7-7.
2017	Dissertation	Warken, S. F. (2017). Potentials and limitations of multi-proxy records in speleothem research - Case studies in complex climate systems (Doctoral dissertation, Universitätsbibliothek Heidelberg).
2014	Sonstiger Artikel	Deininger, M., Winterhalder, S., Boyd, M., Braun, K., Burstyn, Y., Comas-Bru, L. and Häuselmann, A.-M. (2014). 1 st Summer School on Speleothem Science. PAGES Magazine, 22.

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