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Houska, Dr. Tobias

wissenschaftlicher Mitarbeiter

Houska, Tobias



Department of Landscape Ecology and Resources Management
Heinrich-Buff-Ring 26, Room B223
35392 Gießen

Phone: +49 (0)641 9937384 


Developer of the Statistical Parameter Optimization Tool for Python (SPOTPY)


Scientific interest

  • Bayesian inference and prediction in hydro-biogeochemical modelling (CMF, HYMOD, LandscapeDNDC)

  • Application of techniques to quantify model parameter, -structur, input, output and predicition uncertainty analysis (SPOTPY)

  • Interdisciplinary work to understand hydrological catchment behavior

  • Programming with Python, Matlab, spatial/temporal analysis with GIS


Scientific career and affiliation

  • 8/2017 – today Lecturer at the Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany

  • 8/2017 Disputation (Dr. rer. nat.) with Uncertainty analysis of complex hydro-biogeochemical model”, Prof. Dr. Lutz Breuer (Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany)
  • 2013 – 2017 PhD student at the Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany
  • 2009 – 2013 Student Assistant, Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany

  • 1/2013 Master thesis “Monte Carlo based calibration and uncertainty analysis of the crop model PMF” , PD Dr. Lutz Breuer (Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany)

  • 2010 - 2013 Master of Science in Environmental and Resource Management, Justus-Liebig-University, Gießen, Germany

  • 6/2010 Bachelor thesis “Landschaftsstruktur im Schwingbachtal (Gemeinde Hüttenberg)” , Prof Dr. Rainer Waldhardt (Institute of Landscape Ecology and Resource Management, Justus-Liebig University, Gießen, Germany)
  • 2007-2010 Bachelor of Science in Environmental Management, Justus-Liebig-University, Gießen, Germany


Up to date references and review activites can be found at Publons and ResearchGate.


  • Sahraei, A., Houska, T., and Breuer, L.: Deep Learning for Isotope Hydrology: The Application of Long Short-Term Memory to Estimate High Temporal Resolution of the Stable Isotope Concentrations in Stream and Groundwater, Frontiers in Water, 3, 113, doi:10.3389/frwa.2021.740044, 2021.

  • Houska, T., Kraft, P., Jehn, F. U., Bestian, K., Kraus, D., and Breuer, L.: Detection of hidden model errors by combining single and multi-criteria calibration, Science of The Total Environment, 777, 146218, doi:10.1016/j.scitotenv.2021.146218, 2021.
  • Jehn, F. U., Breuer, L., Kraft, P., Bestian, K. and Houska, T.: Simple Catchments and Where to Find Them: The Storage-Discharge Relationship as a Proxy for Catchment Complexity, Front. Water, 3, doi:10.3389/frwa.2021.631651, 2021.
  • Almahayni, T. and Houska, T.: Towards dynamic and process–based modelling of radionuclides cycling in terrestrial radioecology, Journal of Environmental Radioactivity, 225, 106380, doi:10.1016/j.jenvrad.2020.106380, 2020.
  • Chamorro, A., Houska, T., Singh, S. K. and Breuer, L.: Projection of Droughts as Multivariate Phenomenon in the Rhine River, Water, 12(8), 2288, doi:10.3390/w12082288, 2020.
  • Jehn, F. U., Bestian, K., Breuer, L., Kraft, P. and Houska, T.: Using hydrological and climatic catchment clusters to explore drivers of catchment behavior, Hydrol. Earth Syst. Sci., 24(3), 1081–1100, doi:10.5194/hess-24-1081-2020, 2020.

  • Liebermann, R., Breuer, L., Houska, T., Kraus, D., Moser, G. and Kraft, P.: Simulating Long-Term Development of Greenhouse Gas Emissions, Plant Biomass, and Soil Moisture of a Temperate Grassland Ecosystem under Elevated Atmospheric CO2, Agronomy, 10(1), 50, doi: 10.3390/agronomy10010050, 2020.

  • Jehn, F. U., Chamorro, A., Houska, T. and Breuer, L.: Trade-offs between parameter constraints and model realism: a case study, Sci. Rep., 9(1), 1–12, doi:10.1038/s41598-019-46963-6, 2019.

  • Kellner, J., Houska, T., Manderscheid, R., Weigel, H.-J., Breuer, L. and Kraft, P.: Response of maize biomass and soil water fluxes on elevated CO 2 and drought–from field experiments to process-based simulations, Glob. Change Biol., 25(9), 2947–2957, doi:10.1111/gcb.14723, 2019.

  • Camargos, C., Julich, S., Houska, T., Bach, M. and Breuer, L.: Effects of Input Data Content on the Uncertainty of Simulating Water Resources, Water, 10(5), 621, doi:10.3390/w10050621, 2018.

  • Jehn, F. U., Breuer, L., Houska, T., Bestian, K. and Kraft, P.: Incremental model breakdown to assess the multi-hypotheses problem, Hydrology and Earth System Sciences, 22(8), 4565–4581, doi:10.5194/hess-22-4565-2018, 2018.

  • Liebermann, R., Breuer, L., Houska, T., Klatt, S., Kraus, D., Haas, E., Müller, C. and Kraft, P.: Closing the N-Budget: How Simulated Groundwater-Borne Nitrate Supply Affects Plant Growth and Greenhouse Gas Emissions on Temperate Grassland, Atmosphere, 9(10), 407, doi:10.3390/atmos9100407, 2018.

  • Maier, N., Breuer, L., Chamorro, A., Kraft, P. and Houska, T.: Multi-Source Uncertainty Analysis in Simulating Floodplain Inundation under Climate Change, Water, 10(6), 809, doi:10.3390/w10060809, 2018.

  • Kellner, J., Multsch, S., Houska, T., Kraft, P., Müller, C. and Breuer, L.: A coupled hydrological-plant growth model for simulating the effect of elevated CO 2 on a temperate grassland, Agric. For. Meteorol., 246, 42–50, doi:10.1016/j.agrformet.2017.05.017, 2017.

  • Houska, T., Kraft, P., Liebermann, R., Klatt, S., Kraus, D., Haas, E., Santabárbara, I., Kiese, R., Butterbach-Bahl, K., Müller, C. and Breuer, L.: Rejecting hydro-biogeochemical model structures by multi-criteria evaluation, Environ. Model. Softw., 93, 1–12, doi:10.1016/j.envsoft.2017.03.005, 2017.

  • Houska, T., Kraus, D., Kiese, R. and Breuer, L.: Constraining a complex biogeochemical model for CO2 and N2O emission simulations from various land uses by model–data fusion, Biogeosciences, 14(14), 3487–3508, doi:10.5194/bg-14-3487-2017, 2017.
  • Seifert, A.-G., Roth, V.-N., Dittmar, T., Gleixner, G., Breuer, L., Houska, T. and Marxsen, J.: Comparing molecular composition of dissolved organic matter in soil and stream water: Influence of land use and chemical characteristics, Sci. Total Environ., 571, 142–152, doi:10.1016/j.scitotenv.2016.07.033, 2016.
  • Houska, T., Kraft, P., Chamorro-Chavez, A. and Breuer, L.: SPOTting Model Parameters Using a Ready-Made Python Package, PLoS ONE, 10(12), e0145180, doi:10.1371/journal.pone.0145180, 2015.
  • Houska, T., Multsch, S., Kraft, P., Frede, H.-G., and Breuer, L.: Monte Carlo-based calibration and uncertainty analysis of a coupled plant growth and hydrological model, Biogeosciences, 11, 2069-2082, doi:10.5194/bg-11-2069-2014, 2014.



  • Hydroschool 2013: Model building, inference and hypothesis testing in hydrology at the CRP - Gabriel Lippmann (Luxembourg)



  • Visitor of Prof. Jasper Vrugt in the Department of Civil and Environmental Engineering at the University of California, Irvine

  • Visitor of Prof. Dmitri Kavetski in the School of Civil, Environmental and Mining Engineering at the University of Adelaide



  • Winner of the IFZ award 2013 for the best thesis in the field of Land Use and Biodiversity