Dr. Sophie Warken

Position Postdoc
Address Im Neuenheimer Feld 234 (GEOW)
Room 603
Phone +49 (0) 6221 - 54 - 96029
E-mail sophie.warken@iup.uni-heidelberg.de
Group Physics of Environmental Archives


Research interests

  • Physics of (past) climates
  • Quantitative climate reconstruction using stable isotopes and trace elements in speleothems and other archives
  • (Sub) tropical climate variability 
  • 230Th/U dating of secondary carbonates

Selected publications


  • Warken, S. F., Weissbach, T., Kluge, T., Vonhof, H., Scholz, D., Vieten, R., Schmidt, M., Winter, A., and Frank, N. (2021): Last glacial millennial-scale hydro-climate and temperature changes in Puerto Rico constrained by speleothem fluid inclusion δ18O and δ2H values, Clim. Past Discuss. (preprint in review), https://doi.org/10.5194/cp-2021-86.
  • Warken, S. F., Schorndorf, N., Stinnesbeck, W., Hennhoefer, D., Stinnesbeck, S., Förstel, J., Steidle, S.D., Avilés Olguin, J., and Frank, N. (2021). Solar Forcing of Early Holocene Droughts on the Yucatán Peninsula, Scientific Reports 11, 13885, https://doi.org/10.1038/s41598-021-93417-z


  • Warken, S. F., Vieten, R., Winter, A., Spötl, C., Miller, T. E., Jochum, K. P., Schröder-Ritzrau, A., Mangini, A., and Scholz, D. (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, e2020PA003944, https://doi.org/10.1029/2020PA003944
  • Comas-Bru , L., Rehfeld, K., Roesch, C., Amirnezhad-Mozhdehi, S., Harrison, S.,  Atsawawaranunt, K., Masood Ahmad, S., Ait Brahim, Y., Baker, A.,Bosomworth, M., Breitenbach, S.F.M., Burstyn, Y., Columbu, A., Deininger, M., Demény, A., Dixon, B., Fohlmeister, J., Hatvani, I.G., Hu, J., Kaushal, N., Kern, Z., Labuhn, I., Lechleitner, F.A., Lorrey, A., Martrat, B., Novello, V.F., Oster, J., Pérez-Mejías, C., Scholz, D., Scroxton, N., Sinha, N., Ward, B.M., Warken, S., Zhang, H., and SISAL working group members (2020). SISALv2: A comprehensive speleothem isotope database with multiple age-depth models. Earth Syst. Sci. Data, 12, 2579–2606, https://doi.org/10.5194/essd-12-2579-2020
  • Stinnesbeck, W., Rennie, S. R., Avilés Olguín, 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), https://doi.org/10.1371/journal.pone.0227984


  • 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. https://doi.org/10.1016/j.quascirev.2019.06.019
  • 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. https://doi.org/10.5194/cp-15-1557-2019
  • 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. https://doi.org/10.3390/quat2010005

2018 and earlier

  • 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. https://doi.org/10.1016/j.epsl.2018.07.027
  • 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. https://link.springer.com/chapter/10.1007/978-3-319-51070-5_36
  • 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. https://doi.org/10.1002/2017JG004218
  • 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. http://dx.doi.org/10.5038/1827-806X.45.3.1983


Data availability

Published data are available on request or under the following repositories: