Dr. Thomas Ritschel

Chair of Hydrogeology
Institute of Geosciences
Friedrich-Schiller-University Jena
Burgweg 11
07749 Jena
iconp 0049-(0)3641-948718
iconf 0049-(0)3641-948742
icond H 107, Wöllnitzer Str. 7
personal information



Research foci

  • Column experiments
  • Interactions at mineral interfaces in soils
  • Modelling of aggregation mechanisms
  • Simulation of flow and transport in porous media


Physikochemical Aspects of Transport (practical)
Biological Aspects of Transport (practical)

Hydrogeology I (practical)

Hydrogeology II (practical)

Simulation of Flow and Transport

Hydrogeochemical Methods

Professional Experience

since 10/2011: Research Assistant at the Institute for Geosciences (FSU Jena)


PhD, 2016: Experimental and Theoretical Analysis of Closed-Flow Column Experiments - An Alternative Approach for the Investigation of Solute Transport at the Continuum Scale

M.Sc. in Bio-Geosciences, 2011: Friedrich-Schiller-University Jena, Institute for Geosciences (Chair of Hydrogeology), Thesis: Parametrisierung der Sorption (Ausmaß, Typ, Geschwindigkeit) eines ausgewählten Modellsorbat-Sorbenten-Systems mittels Kreislauf-Durchbruch-Experimenten
B.Sc. in Bio-Geosciences, 2009: Friedrich-Schiller-University Jena, Institute for Geosciences (Chair of Applied Geology ), Thesis: Sorption und Kopräzipitation von Seltenen Erden Elementen an Goethit und Ferrihydrit


Deutsche Bodenkundliche Gesellschaft (DBG)

American Geophysical Union (AGU)


Microaggregates: formation and turnover of the structural building blocks of soils (MADSoil)

Monitoring Migration Pathways in the Subsurface Using Tailored Polymer Tracer Libraries (AquaDiva C05)

Exploration of interface and pore-space properties on the continuum scale using closed-flow experiments
(SPP 1315 Biogeochemical Interface in soil)


Guhra, T., Ritschel, T., Totsche, K. U. (2021). The mechanisms of gravity-constrained aggregation in natural colloidal suspensions. J. Colloid Interface Sci. 597, 126-136, doi: 10.1016/j.jcis.2021.03.153

Ritschel, T., Lehmann, K., Brunzel, M., Vitz, J., Nischang, I., Schubert, U., Totsche, K. U. (2021) Well-defined poly(ethylene glycol) polymers as non-conventional reactive tracers of colloidal transport in porous media. J. Colloid Interface Sci. 548, 592-601, doi: 10.1016/j.jcis.2020.09.056.

Ritschel, T., Totsche, K.U. (2019). Modeling the formation of soil microaggregates. Comput. Geosci. 127, 36-43. doi: 10.1016/j.cageo.2019.02.010.

Guhra, T., Ritschel, T., Totsche, K.U. (2019) Formation of mineral-mineral and organo-mineral composite building units from microaggregate‐forming materials including microbially produced extracellular polymeric substances. Eur J Soil Sci., 70: 604- 615. https://doi.org/10.1111/ejss.12774

Fritzsche, A., Ritschel, T., Schneider, L., Totsche, K. U. (2018). Identification and quantification of single constituents in groundwater with Fourier-transform infrared spectroscopy and Positive Matrix Factorization. Vib. Spectrosc. 100, 152-158, doi:10.1016/j.vibspec.2018.09.008

Ritschel, T., Schlüter, S., Köhne, J. M., Vogel, H.-J., Totsche, K.U. (2018). Efficient Prediciton of Multidomain Flow and Transport in Hierarchically Structured Porous Media. Water Resour. Res. 54, 9033-9044, doi:10.1029/2018WR022694.

Narvekar S.P., Ritschel T., Totsche K.U. (2017) Colloidal stability and mobility of extracellular polymeric substance amended hematite nanoparticles. Vadose Zone J. 16(8), doi:10.2136/vzj2017.03.0063

Ritschel T., Totsche K.U. (2017) Quantification of pH-dependent speciation of organic compounds with spectroscopy and chemometrics. Chemosphere 172, 175-184, doi:10.1016/j.chemosphere.2016.12.145 

Ritschel T.,Totsche K.U. (2016) Closed-flow column experiments: A numerical sensitivity analysis of reactive transport and parameter uncertainty. Water Resour. Res. 52(8), 6094-6110, doi:10.1002/2015WR018388

Ritschel T., Totsche K.U. (2016) Closed-flow column experiments-Insights into solute transport provided by a damped oscillating breakthrough behavior. Water Resour. Res. 52(3), 2206-2221, doi:10.1002/2015WR018317

Fritzsche A., Schröder C., Wieczorek A.K., Händel M., Ritschel T., Totsche K.U. (2015). Structure and composition of Fe-OM co-precipitates that form in soil-derived solutions, Geochimica et Cosmochimica Acta 169, 167-183.