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Ruth Stephan


Dr. Ruth Stephan

Tennenbacher Straße 4, 79106 Freiburg, Germany
Room 03.053

Phone: ++ 49 761 203-54050

Ruth started as postdoctoral scientist end of 2023 with focus on the global water cycle. Currently, she analyses future trends of different water components and their seasonal changes with CMIP6 data. Previously, Ruth's PhD focused on one aspect of the water cycle - drought impacts. She identified, analyzed and modeled drought impacts and could show their relevance in mountain regions that are typically associated as water-rich. In addition to science, Ruth teaches in the module 'climate change' and supports students (thesis, seminar...).

Scientific interests:

  • Global Water Cycle
  • Drought and drought impacts
  • Statistics and Modelling


  • Climate Change

Professional Experience:

Education and Internships:

  • 2023: PhD in Hydrology, University of Freiburg. Thesis: Drought impacts in the European Alpine region, 10.6094/UNIFR/236965
  • 2019: MSc. in Environmental Sciences with focus on Statistics and Modelling, University of Freiburg.
  • 2018: Internship at the Laboratoire d'Écologie Alpine (LECA), Grenoble, France
  • 2016: BSc. in Environmental Sciences with focus on Meteorology and Climatology, University of Freiburg.
  • 2015: Internship at the Institute of Meteorology and Climate Research Atmospheric Environmental Research (KIT/IMK-IFU), Garmisch-Partenkirchen
  • 2012: German Abitur, Darmstadt

Publications in Scientific Journals:

more contributions

  • R. Stephan, K. Stahl, C. F. Dormann, Drought impact prediction across time and space: limits and potentials of text reports, Environmental Research Letters, 10.1088/1748-9326/acd8da, 2023
  • R. Stephan, S. Terzi, M. Erfurt, S. Cocuccioni, K. Stahl, M. Zebisch, Assessing agriculture's vulnerability to drought in European pre-Alpine regions, Natural Hazards and Earth System Sciences, 10.5194/nhess-23-45-2023, 2023
  • H. Dahlmann, R Stephan, K. Stahl, Upstream-downstream asymmetries of drought impacts in major river basins of the European Alps, Frontiers In Water, 10.3389/frwa.2022.1061991, 2022
  • R. Stephan, M. Erfurt, S. Terzi, M. Žun, B. Kristan, K. Haslinger, K. Stahl, An inventory of Alpine drought impact reports to explore past droughts in a mountain region, Natural Hazards and Earth System Sciences, 10.5194/nhess-21-2485-2021, 2021
  • G. Benadi, C. F. Dormann, J. Fründ, R. Stephan, D. P. Vázquez, Quantitative Prediction of Interactions in Bipartite Networks Based on Traits, Abundances, and Phylogeny, The American Naturalist, 10.1086/714420, 2022
  • Zistl-Schlingmann, M., Feng, J., Kiese, R., Stephan, R., Zuazo, P., Willibald, G., ... & Dannenmann, M. (2019). Dinitrogen emissions: an overlooked key component of the N balance of montane grasslands. Biogeochemistry, 10.1007/s10533-019-00547-8, 2019