Applied Geosciences - Geohydromodelling

Prof. Dr. Sebastian Bauer

Head of the working group

Ludewig-Meyn-Straße 10, R.315
Phone: +49 431 880-2853
Telefax: +49 431 880-7606

Field of work

  • Subsurface energy storage and extraction
  • Contaminated groundwater remediation and assessment
  • Model development for coupled thermal-hydraulic-geomechanic-geochemical processes
  • Numerical simulation of coupled non-isothermal flow and reactive transport processes
  • Model application for parameter identification and prognosis of governing proceseson laboratory and field scale

Curriculum vitae

  • since 2007
    Professor at the Institute of Geosciences an head of the Geohydromodelling working group at Kiel University
  • 2002 - 2007
    PostDoc, University of Tübingen
    Contaminant site investigation methods and numerical simulation of natural attenuation processes
  • 2006
    Habilitation, University of Tübingen           
  • 1998 - 2002
    PhD Student, University of Tübingen
    Numerical simulation of carbonate karst genesis
  • 2002
    PhD, University of Tübingen
  • 1997
    Diploma in Physics, Heidelberg University



Journal articles

Graupner, B.J., Shao, H., Wang, X.R., Nguyen, T.S., Li, Z., Rutqvist, J., Chen, F., Birkholzer, J., Wang, W., Kolditz, O., Pan, P.Z., Feng, X.T., Lee, C., Maekawa, K., Stothoff, S., Manepally, C., Dasgupta, B., Ofoegbu, G., Fedors, R., Barnichon, J.D., Ballarini, E., Bauer, S., Garitte, B. (2018). Comparative modelling of the coupled thermal–hydraulic-mechanical (THM) processes in a heated bentonite pellet column with hydration. Environmental Earth Sciences, 77(3), 84. doi:10.1007/s12665-018-7255-3.
Ballarini, E., Graupner, B., & Bauer, S. (2017). Thermal–hydraulic–mechanical behavior of bentonite and sand-bentonite materials as seal for a nuclear waste repository: Numerical simulation of column experiments. Applied Clay Science, Complete(135), 289–299. doi:10.1016/j.clay.2016.10.007.
Bauer, S., Dahmke, A., & Kolditz, O. (2017). Subsurface energy storage: geological storage of renewable energy—capacities, induced effects and implications. Environmental Earth Sciences, 76(20), 695. doi:10.1007/s12665-017-7007-9.
Kabuth, A., Dahmke, A., Beyer, C., Bilke, L., Dethlefsen, F., Dietrich, P., … Bauer, S. (2017). Energy storage in the geological subsurface: dimensioning, risk analysis and spatial planning: the ANGUS+ project. Environmental Earth Sciences, 76(1), 23. doi:10.1007/s12665-016-6319-5.
Li, D., Beyer, C., & Bauer, S. (2017). A unified phase equilibrium model for hydrogen solubility and solution density. International Journal of Hydrogen Energy doi:10.1016/j.ijhydene.2017.07.228.
Nordbeck, J., Beyer, C., & Bauer, S. (2017). Experimental and numerical investigation of a scalable modular geothermal heat storage system. Energy Procedia, 125(Supplement C), 604–611. doi:10.1016/j.egypro.2017.08.217.
Pfeiffer, W. T., Beyer, C., & Bauer, S. (2017). Hydrogen storage in a heterogeneous sandstone formation: dimensioning and induced hydraulic effects. Petroleum Geoscience, doi:10.1144/petgeo2016-050.
Wang, B., & Bauer, S. (2017). Pressure response of large-scale compressed air energy storage in porous formations. Energy Procedia, 125(Supplement C), 588–595. doi:10.1016/j.egypro.2017.08.205.
Wang, B., & Bauer, S. (2017). Compressed air energy storage in porous formations: a feasibility and deliverability study. Petroleum Geoscience, petgeo2016-049. doi:10.1144/petgeo2016-049.
Beyer, C., Popp, S., & Bauer, S. (2016). Simulation of temperature effects on groundwater flow, contaminant dissolution, transport and biodegradation due to shallow geothermal use. Environmental Earth Sciences, 75(18), 1244 doi:10.1007/s12665-016-5976-8.
Boockmeyer, A., & Bauer, S. (2016). Efficient simulation of multiple borehole heat exchanger storage sites. Environmental Earth Sciences, 75(12), 1–13 doi:10.1007/s12665-016-5773-4.
Delfs, J.-O., Nordbeck, J., & Bauer, S. (2016). Upward brine migration resulting from pressure increases in a layered subsurface system. Environmental Earth Sciences, 75(22), 1441 doi:10.1007/s12665-016-6245-6.
Kabuth, A., Dahmke, A., Beyer, C., Bilke, L., Dethlefsen, F., Dietrich, P., … Bauer, S. (2017). Energy storage in the geological subsurface: dimensioning, risk analysis and spatial planning: the ANGUS+ project. Environmental Earth Sciences, 76(1), 23 doi:10.1007/s12665-016-6319-5.
Pfeiffer, W. T., al Hagrey, S. A., Köhn, D., Rabbel, W., & Bauer, S. (2016). Porous media hydrogen storage at a synthetic, heterogeneous field site: numerical simulation of storage operation and geophysical monitoring. Environmental Earth Sciences, 75(16), 1177 doi:10.1007/s12665-016-5958-x.
Pfeiffer, W. T., Graupner, B., & Bauer, S. (2016). The coupled non-isothermal, multiphase-multicomponent flow and reactive transport simulator OpenGeoSys–ECLIPSE for porous media gas storage. Environmental Earth Sciences, 75(20), 1347 doi:10.1007/s12665-016-6168-2.
Popp, S., Beyer, C., Dahmke, A., Koproch, N., Köber, R., & Bauer, S. (2016). Temperature-dependent dissolution of residual non-aqueous phase liquids: model development and verification. Environmental Earth Sciences, 75(11), 1–13 doi:10.1007/s12665-016-5743-x.
Schulte, D. O., Welsch, B., Boockmeyer, A., Rühaak, W., Bär, K., Bauer, S., & Sass, I. (2016). Modeling insulated borehole heat exchangers. Environmental Earth Sciences, 75(10), 1–12 doi:10.1007/s12665-016-5638-x.
Wang, B., & Bauer, S. (2016). Converting heterogeneous complex geological models to consistent finite element models: methods, development, and application to deep geothermal reservoir operation. Environmental Earth Sciences, 75(20), 1349 doi:10.1007/s12665-016-6138-8.
Bauer, S., Pfeiffer, T., Boockmeyer, A., Dahmke, A., & Beyer, C. (2015). Quantifying Induced Effects of Subsurface Renewable Energy Storage. Energy Procedia, 76, 633–641 doi:10.1016/j.egypro.2015.07.885.
Pfeiffer, W. T., & Bauer, S. (2015). Subsurface Porous Media Hydrogen Storage – Scenario Development and Simulation. Energy Procedia, 76, 565–572 doi:10.1016/j.egypro.2015.07.872.
Popp, S., Beyer, C., Dahmke, A., & Bauer, S. (2015). Model Development and Numerical Simulation of a Seasonal Heat Storage in a Contaminated Shallow Aquifer. Energy Procedia, 76, 361–370 doi:10.1016/j.egypro.2015.07.842.
Popp, S., Beyer, C., Köber, R., Koproch, N., Dahmke, A., & Bauer, S. (2015). Untersuchung der Auswirkungen von unterirdischen, saisonal betriebenen Wärmespeichern auf das Verhalten einer TCE-Grundwasserkontamination durch numerische Szenariensimulatione. bbr Leitungsbau Brunnenbau Geothermie, 3, 54–61.
Ballarini, E., Bauer, S., Eberhardt, C., & Beyer, C. (2014). Evaluation of the Role of Heterogeneities on Transverse Mixing in Bench-Scale Tank Experiments by Numerical Modeling. Groundwater, 52(3), 368–377 doi:10.1111/gwat.12066.
Ballarini, E., Beyer, C., Bauer, R. D., Griebler, C., & Bauer, S. (2014). Model based evaluation of a contaminant plume development under aerobic and anaerobic conditions in 2D bench-scale tank experiments. Biodegradation, 25(3), 351–371 doi:10.1007/s10532-013-9665-y.
Benisch, K., Köhn, D., al Hagrey, S. A., Rabbel, W., & Bauer, S. (2014). A combined seismic and geoelectrical monitoring approach for CO2 storage using a synthetic field site. Environmental Earth Sciences, 73(7), 3077–3094 doi:10.1007/s12665-014-3603-0.
Boockmeyer, A., & Bauer, S. (2014). High-temperature heat storage in geological media: high-resolution simulation of near-borehole processes. Géotechnique Letters, 4(April-June), 151–156 doi:10.1680/geolett.13.00060.
Li, D., Bauer, S., Benisch, K., Graupner, B., & Beyer, C. (2014). OpenGeoSys-ChemApp: a coupled simulator for reactive transport in multiphase systems and application to CO2 storage formation in Northern Germany. Acta Geotechnica, 9(1), 67–79 doi:10.1007/s11440-013-0234-7.
Bauer, S., Beyer, C., Dethlefsen, F., Dietrich, P., Duttmann, R., Ebert, M., … Dahmke, A. (2013). Impacts of the use of the geological subsurface for energy storage: an investigation concept. Environmental Earth Sciences, 70(8), 3935–3943 doi:10.1007/s12665-013-2883-0.
Benisch, K., & Bauer, S. (2013). Short- and long-term regional pressure build-up during CO2 injection and its applicability for site monitoring. International Journal of Greenhouse Gas Control, 19, 220–233 doi:10.1016/j.ijggc.2013.09.002.
Benisch, K., Graupner, B., & Bauer, S. (2013). The Coupled OpenGeoSys-eclipse Simulator for Simulation of CO2 Storage – code Comparison for Fluid Flow and Geomechanical Processes. Energy Procedia, 37, 3663–3671 doi:10.1016/j.egypro.2013.06.260.
Jesußek, A., Dahmke, A., Boockmeyer, A., Bauer, S., Berlin, C., & Ewer, W. (2013). Naturwissenschaftliche Folgen der thermischen Grundwassernutzung — Implikationen für die Genehmigungspraxis. Leitungsbau, Brunnenbau, Geothermie, Geothermie Sonderheft 2013, 54–63.
Li, D., Beyer, C., & Bauer, S. (2013). CO2-brine-mineral Interfacial Reactions Coupled with Fluid Phase Flow. Energy Procedia, 37, 3816–3824 doi:10.1016/j.egypro.2013.06.278.
Mitiku, A. B., & Bauer, S. (2013). Optimal use of a dome-shaped anticline structure for CO2 storage: a case study in the North German sedimentary basin. Environmental Earth Sciences, 70(8), 3661–3673 doi:10.1007/s12665-013-2580-z.
Mitiku, A. B., Li, D., Bauer, S., & Beyer, C. (2013). Geochemical modelling of CO2–water–rock interactions in a potential storage formation of the North German sedimentary basin. Applied Geochemistry, 36, 168–186 doi:10.1016/j.apgeochem.2013.06.008.
Ballarini, E., Bauer, S., Eberhardt, C., & Beyer, C. (2012a). Evaluation of transverse dispersion effects in tank experiments by numerical modeling: Parameter estimation, sensitivity analysis and revision of experimental design. Journal of Contaminant Hydrology, 134135, 22–36 doi:10.1016/j.jconhyd.2012.04.001.
Bauer, S., Class, H., Ebert, M., Feeser, V., Götze, H., Holzheid, A., … Dahmke, A. (2012). Modeling, parameterization and evaluation of monitoring methods for CO2 storage in deep saline formations: the CO2-MoPa project. Environmental Earth Sciences, 67(2), 351–367 doi:10.1007/s12665-012-1707-y.
Beyer, C., Li, D., Lucia, M. D., Kühn, M., & Bauer, S. (2012). Modelling CO2-induced fluid–rock interactions in the Altensalzwedel gas reservoir. Part II: coupled reactive transport simulation. Environmental Earth Sciences, 67(2), 573–588 doi:10.1007/s12665-012-1684-1.
Kolditz, O., Bauer, S., Beyer, C., Böttcher, N., Dietrich, P., Görke, U.-J., … Watanabe, N. (2012). A systematic benchmarking approach for geologic CO2 injection and storage. Environmental Earth Sciences, 67(2), 613–632 doi:10.1007/s12665-012-1656-5.
Kolditz, O., Bauer, S., Bilke, L., Böttcher, N., Delfs, J. O., Fischer, T., … Zehner, B. (2012). OpenGeoSys: an open-source initiative for numerical simulation of thermo-hydro-mechanical/chemical (THM/C) processes in porous media. Environmental Earth Sciences, 67(2), 589–599 doi:10.1007/s12665-012-1546-x.
Lucia, M. D., Bauer, S., Beyer, C., Kühn, M., Nowak, T., Pudlo, D., … Stadler, S. (2012). Modelling CO2-induced fluid–rock interactions in the Altensalzwedel gas reservoir. Part I: from experimental data to a reference geochemical model. Environmental Earth Sciences, 67(2), 563–572 doi:10.1007/s12665-012-1725-9.
Li, D., Graupner, B. J., & Bauer, S. (2011). A method for calculating the liquid density for the CO2–H2O–NaCl system under CO2 storage condition. Energy Procedia, 4, 3817–3824 doi:10.1016/j.egypro.2011.02.317.
Bauer, R. D., Rolle, M., Bauer, S., Eberhardt, C., Grathwohl, P., Kolditz, O., … Griebler, C. (2009). Enhanced biodegradation by hydraulic heterogeneities in petroleum hydrocarbon plumes. Journal of Contaminant Hydrology, 105(1–2), 56–68 doi:10.1016/j.jconhyd.2008.11.004.
Beyer, C., Konrad, W., Rügner, H., Bauer, S., Liedl, R., & Grathwohl, P. (2009). Model-based prediction of long-term leaching of contaminants from secondary materials in road constructions and noise protection dams. Waste Management, 29(2), 839–850 doi:10.1016/j.wasman.2008.06.025.
Rein, A., Bauer, S., Dietrich, P., & Beyer, C. (2009). Influence of temporally variable groundwater flow conditions on point measurements and contaminant mass flux estimations. Journal of Contaminant Hydrology, 108(3–4), 118–133 doi:10.1016/j.jconhyd.2009.06.005.
Park, C.-H., Beyer, C., Bauer, S., & Kolditz, O. (2008a). A study of preferential flow in heterogeneous media using random walk particle tracking. Geosciences Journal, 12(3), 285–297 doi:10.1007/s12303-008-0029-2.
Park, C.-H., Beyer, C., Bauer, S., & Kolditz, O. (2008b). Using global node-based velocity in random walk particle tracking in variably saturated porous media: application to contaminant leaching from road constructions. Environmental Geology, 55(8), 1755–1766 doi:10.1007/s00254-007-1126-7.
Bauer, S., Beyer, C., & Kolditz, O. (2007). Einfluss von Heterogenität und Messfehler auf die Bestimmung von Abbauraten erster Ordnung – eine Virtueller-Aquifer-Szenarioanalyse. Grundwasser, 12(1), 3–14 doi:10.1007/s00767-007-0019-8.
Beyer, C., Chen, C., Gronewold, J., Kolditz, O., & Bauer, S. (2007). Determination of First-Order Degradation Rate Constants from Monitoring Networks. Ground Water, 45(6), 774–785 doi:10.1111/j.1745-6584.2007.00348.x.
Beyer, C., Konrad, W., Park, C. H., Bauer, S., Grathwohl, P., Rugner, H., & Liedl, R. (2007). Modellbasierte Sickerwasserprognose fur die Verwertung von Recycling-Baustoff in technischen Bauwerken. Grundwasser, 12(2), 94–107 doi:10.1007/s00767-007-0025-x.
Bauer, S., Beyer, C., & Kolditz, O. (2006). Assessing measurement uncertainty of first-order degradation rates in heterogeneous aquifers. Water Resources Research, 42(1), W01420 doi:10.1029/2004WR003878.
Beyer, C., Bauer, S., & Kolditz, O. (2006). Uncertainty assessment of contaminant plume length estimates in heterogeneous aquifers. Journal of Contaminant Hydrology, 87(1–2), 73–95 doi:10.1016/j.jconhyd.2006.04.006.
Xie, M., Bauer, S., Kolditz, O., Nowak, T., & Shao, H. (2006). Numerical simulation of reactive processes in an experiment with partially saturated bentonite. Journal of Contaminant Hydrology, 83(1–2), 122–147 doi:10.1016/j.jconhyd.2005.11.003.
Bauer, S., Liedl, R., & Sauter, M. (2005). Modeling the influence of epikarst evolution on karst aquifer genesis: A time-variant recharge boundary condition for joint karst-epikarst development. Water Resources Research, 41(9), W09416 doi:10.1029/2004WR003321.
Bauer, S., Bayer-Raich, M., Holder, T., Kolesar, C., Müller, D., & Ptak, T. (2004a). Plume screening and source tracking at the INCORE Linz field site using integral pumping tests. Ingegneria e Geologia degli Acquiferi 19, 19, 27–39
Bauer, S., Bayer-Raich, M., Holder, T., Kolesar, C., Müller, D., & Ptak, T. (2004b). Quantification of groundwater contamination in an urban area using integral pumping tests. Journal of Contaminant Hydrology, 75(3), 183–213 doi:10.1016/j.jconhyd.2004.06.002.
Kolditz, O., & Bauer, S. (2004). A process-oriented approach to computing multi-field problems in porous media. Journal of Hydroinformatics, 6, 225–244.
Ptak, T., Bayer-Raich, M., & Bauer, S. (2004). Tiefenorientierte integrale Erkundung der Schadstoffbelastung in großräumig kontaminierten Aquiferen. Grundwasser, 9(4), 235–247.
Zanini, A., Alberti, L., Ceccon, S., Bauer, S., Ptak, T., & Tanda, G. M. (2004). Application of the integral pumping test method in Milan. Ingegneria e Geologia degli Acquiferi, (19), 41–59
Bauer, S., Liedl, R., & Sauter, M. (2003). Modeling of karst aquifer genesis: Influence of exchange flow. Water Resources Research, 39(10), 1285 doi:10.1029/2003WR002218.
Bauer, S., Liedl, R., & Sauter, M. (2002). Modelling of karst genesis at the catchment scale - influence of spatially variable hydraulic conductivity. Acta Geologica Polonica, 52(1), 13–21.
Bauer, S., Fulda, C., & Schäfer, W. (2001). A multi-tracer study in a shallow aquifer using age dating tracers 3H, 85Kr, CFC-113 and SF6 — indication for retarded transport of CFC-113. Journal of Hydrology, 248(1–4), 14–34 doi:10.1016/S0022-1694(01)00381-X.

Conference proceedings (peer-reviewed)

Ballarini, E., Bauer, S., Eberhardt, C., & Beyer, C. (2012b). Numerical simulation of bench-scale tank experiments to quantify transverse dispersion. In Models – Repositories of Knowledge (Proceedings ModelCARE2011) (Bd. 355, S. 12–17). ModelCARE 2011, Leipzig, D.
Benisch, K., & Bauer, S. (2012). Investigation of large-scale pressure propagation and monitoring for CO2 injection using a real site model. In Models – Repositories of Knowledge (Proceedings ModelCARE2011) (Bd. 355, S. 245–251). ModelCARE 2011, Leipzig, D.
Beyer, C., Ballarini, E., Bauer, R. D., Griebler, C., & Bauer, S. (2012). Interpretation of hydrocarbon plume biodegradation in 2D bench-scale tank experiments by reactive transport modelling. In Models – Repositories of Knowledge (Proceedings ModelCARE2011) (Bd. 355, S. 157–162). ModelCARE 2011, Leipzig, D.
Graupner, B. J., Li, D., Benisch, K., Mitiku, A. B., Beyer, C., & Bauer, S. (2012). The coupled multiphase flow and reactive transport simulator OGS-Eclipse for CO2 storage simulations. In Models – Repositories of Knowledge (Proceedings ModelCARE2011) (Bd. 355, S. 261–266). ModelCARE 2011, Leipzig, D.

Ballarini, E., Bauer, S., Rolle, M., C., & Beyer, C. (2011). Design and evaluation of bench-scale tank experiments for the quantification of transverse dispersion using numerical simulations. In Proc. 7th International Groundwater Quality Conference held in Zurich, Switzerland, 13–18 June 2010 (Bd. 342, S. 255–258). GQ10: Groundwater Quality Management in a Rapidly Changing World, Zürich.

Beyer, C., Khan, F., Rein, A., Dietrich, P., Kolditz, O., & Bauer, S. (2008). Evaluation of multi-component NAPL source zone screening models by numerical simulation. In Proc. 6th International Groundwater Quality Conference held in Fremantle, Western Australia, 2–7 December 2007 (Bd. 324, S. 210–217). GQ07: Securing Groundwater Quality in Urban and Industrial Environments, Zürich.
Bauer, S., Beyer, C., & Kolditz, O. (2005). Assessing measurements of first-order degradation rates through the virtual aquifer approach. In Proceedings of GQ2004, the 4th International Groundwater Quality Conference, held at Waterloo, Canada, July 2004 (Bd. 297, S. 274–281). Groundwater Quality 2004: Bringing Groundwater Quality Research to the Watershed Scale, Waterloo, CA.

Books an book chapters

Kolditz, O., Görke, U.-J., Shao, H., Wang, W., & Bauer, S. (Hrsg.). (2016). Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking. Cham: Springer International Publishing.
Beyer, C., Nagel, T., & Shao, H. (2015). Reactive Transport. In O. Kolditz, H. Shao, W. Wang, & S. Bauer (Hrsg.), Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking (S. 255–275). Springer International Publishing.
Kolditz, O., Shao, H., Wang, W., & Bauer, S. (Hrsg.). (2015). Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking. Cham: Springer International Publishing.
Pfeiffer, W. T., Beyer, C., Graupner, B., & Bauer, S. (2015). Multiphase Flow and Transport with OGS-ECLIPSE. In O. Kolditz, H. Shao, W. Wang, & S. Bauer (Hrsg.), Thermo-Hydro-Mechanical-Chemical Processes in Fractured Porous Media: Modelling and Benchmarking (S. 213–219). Springer International Publishing doi:10.1007/978-3-319-11894-9_9.
Bauer, S., Beyer, C., McDermott, C. I., Kosakowski, G., Krug, S., Park, C.-H., … Taron, J. (2012). Mass transport. In O. Kolditz, U.-J. Görke, H. Shao, & W. Wang (Hrsg.), Thermo-hydro-mechanical-chemical processes in porous media: benchmarks and examples (Bd. 86, S. 201–231). Heidelberg, D: Springer.