Institut für Wasser und Gewässerentwicklung - Hydrologie
Ralf Loritz

Ralf Loritz

  • Karlsruher Institut für Technologie (KIT)
    Institut für Wasser und Gewässerentwicklung
    Bereich Hydrologie
    Kaiserstraße 12
    76131 Karlsruhe

Forschungsinteressen

  • Enviromental modeling (physically-based and data-driven)
  • Information theory and thermodynamics
  • Data based learning and time series analysis
  • Hydroinformatics

Publikationen

Peer-reviewed papers (ISI)

  • Loritz, R., Hrachowitz, M., Neuper, M. and Zehe, E.: The role and value of distributed precipitation data for hydrological models, (August), 1–38, doi:10.5194/hess-2020-393, 2020. [in review]

  • Ehret, U., van Pruijssen, R., Bortoli, M., Loritz, R., Azmi, E. and Zehe, E.: Adaptive clustering: reducing the computational costs of distributed (hydrological) modelling by exploiting time-variable similarity among model elements, Hydrol. Earth Syst. Sci., 24(9), 4389–4411, doi:10.5194/hess-24-4389-2020, 2020.

  • Thiesen, S., Vieira, D. M., Mälicke, M., Loritz, R., Wellmann, J. F. and Ehret, U.: Histogram via entropy reduction (HER): an information-theoretic alternative for geostatistics, Hydrol. Earth Syst. Sci., 24(9), 4523–4540, doi:10.5194/hess-24-4523-2020, 2020.
  • Loritz, R., Kleidon, A., Jackisch, C., Westhoff, M., Ehret, U., Gupta, H. and Zehe, E.: A topographic index explaining hydrological similarity by accounting for the joint controls of runoff formation, Hydrol. Earth Syst. Sci., 23(9), 3807–3821, doi:10.5194/hess-23-3807-2019, 2019.

  • Zehe, E., Loritz, R., Jackisch, C., Westhoff, M., Kleidon, A., Blume, T., Hassler, S. K. and Savenije, H. H.: Energy states of soil water – a thermodynamic perspective on soil water dynamics and storage-controlled streamflow generation in different landscapes, Hydrol. Earth Syst. Sci., 23(2), 971–987, doi:10.5194/hess-23-971-2019, 2019.

  • Sternagel, A., Loritz, R., Wilcke, W. and Zehe, E.: Simulating preferential soil water flow and tracer transport using the Lagrangian Soil Water and Solute Transport Model, Hydrol. Earth Syst. Sci., 23(10), 4249–4267, doi:10.5194/hess-23-4249-2019, 2019.

  • Loritz, R., Gupta, H., Jackisch, C., Westhoff, M., Kleidon, A., Ehret, U. and Zehe, E.: On the dynamic nature of hydrological similarity, Hydrol. Earth Syst. Sci., 22(7), 3663–3684, doi:10.5194/hess-22-3663-2018, 2018.

  • Loritz, R., Hassler, S. K., Jackisch, C., Allroggen, N., van Schaik, L., Wienhöfer, J. and Zehe, E.: Picturing and modeling catchments by representative hillslopes, Hydrol. Earth Syst. Sci., 21(2), 1225–1249, doi:10.5194/hess-21-1225-2017, 2017.

 

Conference presentations (Oral)

  • Loritz, R., Ehret, U., Neuper, M., and Zehe, E. (2020): The case of distributed rainfall and spatially adaptive modeling, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-6789, https://doi.org/10.5194/egusphere-egu2020-6789

  • Loritz, R. (Invited, 2019): The role of information in hydrological models, Institute for Modelling Hydraulic and Environmental Systems, Stuttgart, Germany

  • Loritz, R., Gupta, H., C. Jackisch, M. Westhoff, A. Kleidon, U. Ehret, and Zehe, E. (2018): On the dynamic nature of hydrological similarity, European Geosciences Union General Assembly, Vienna, Austria

  • Loritz, R. (Invited. 2017): Is there an optimum? How information theory and thermodynamics can help to identify the needed spatial complexity of hydrological models, Workshop - Improving the theoretical underpinnings of hydrologic models - Sopron, Hungary

  • Loritz, R., Neuper, M., Gupta, H., and Zehe, E. (2017): How to handle spatial heterogeneity in hydrological models. European Geosciences Union General Assembly 2017, Vienna. Austria

  • Loritz, R., Hassler, S., Jackisch, C., and Zehe, E. (2016): Picturing and modelling catchments by representative hillslopes. European Geosciences Union General Assembly 2016, Vienna. Austria

 

Conference presentations (Poster) and co-author contributions

  • Presentation - Ehret, U., van Pruijssen, R., Bortoli, M., Loritz, R., Azmi, E., and Zehe, E. (2020): Dynamical clustering: A new approach to make distributed (hydrological) modeling more efficient by dynamically detecting and removing redundant computations, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-4772, https://doi.org/10.5194/egusphere-egu2020-4772

  • Poster - Sternagel, A., Loritz, R., Wilcke, W., and Zehe, E. (2020): Simulating preferential soil water flow and reactive solute transport using the Lagrangian Soil Water and Solute Transport Model (LAST), EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-7172, https://doi.org/10.5194/egusphere-egu2020-7172

  • Poster - Villinger, F., Loritz, R., and Zehe, E.: Towards a better understanding and modelling of Hortonian overland flow during flash flooding (2020), EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-19680, https://doi.org/10.5194/egusphere-egu2020-19680

  • Presentation - Zehe, E., Loritz, R., Ehret, U., Westhoff, M., Kleidon, A., and Mälicke, M. (2018): From catchment organization to dynamic functional similarity, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-19632, https://doi.org/10.5194/egusphere-egu2020-19632, 2020

  • Presentation - Jackisch, C., Kleidon, A., Loritz, R., and Zehe, E. (2018): A thermodynamic interpretation of soil water retention and dynamics, EGU General Assembly 2018, Online, 8–13 April 2018

  • Poster - Kiese, N., Loritz, R., Allroggen, N. and Zehe, E. (2017): Influence of bedrock topography on the runoff generation under use of ERT data. Poster presentation. EGU General Assembly 2017. Vienna. Austria

  • Poster - Wienhöfer, J., Loritz, R. and Zehe, E. (2015): Model-based quantification of hydrological similarity at the hillslope scale. European Geosciences Union General Assembly 2015, Vienna. Austria

  • Poster - Loritz, R., Weiler, M. and Seibert, S. (2015): Data mining methods for predicting event runoff coefficients in ungauged basins using static and dynamic characteristics. European Geosciences Union General Assembly 2015, Vienna. Austria

Projekte

  • DFG research unit FOR 1598 'CAOS' (From Catchments as Organized Systems to Models based on Functional Units). more... External Link