PD Dr. Thomas Baumann

Head of Group

tbaumann(at)tum.de

Hydrogeologist

Habilitation at TUM, 2006: "Aquatic Colloids - Relevance for Transport Processes in Groundwater"

Visiting Scientist at the Department of Civil and Environmental Engineering, University of Illinois at Urbana Champaign, 2001

PhD in Hydrogeology at TUM, 1994

Diploma in Geology at TUM, 1989

Publications

Papers

T. Baumann, J. Bartels, M. Lafogler & F. Wenderoth, Assessment of heat mining and hydrogeochemical reactions with data from a former geothermal injection well in the malm aquifer, bavarian molasse basin, germany, Geothermics 66, doi://10.1016/j.geothermics.2016.11.008 (2017).

A. C. Wiesheu, P. M. Anger, T. Baumann, R. Niessner & N. P. Ivleva, Raman microspectroscopic analysis of fibers in beverages, Anal. Meth. 8, doi://10.1039/C6AY01184E (2016).

M. Ueckert, R. Niessner & T. Baumann, High temperature aquifer storage, In: , Proceedings, 41st workshop on geothermal reservoir engineering, 1396-1407, Stanford University, (2016).

L. Pang, M. Lafogler, B. Knorr, E. McGill, D. Saunders, T. Baumann, P. Abraham & M. Close, Influence of colloids on the attenuation and transport of phosphorus in alluvial gravel aquifer and vadose zone media, Sci. Tot. Environ. 550, 60-68 (2016).

M. Lafogler, F. Wenderoth, J. Bartels, G. Somogyi, T. Hinkofer, K. Hess & T. Baumann, Processes in the vicinity of an injection well of a geothermal facility in the malm aquifer, In: , Proceedings, 41st workshop on geothermal reservoir engineering, 251-256, , (2016).

M. Lafogler, J. Bartels, F. Wenderoth, A. Savvatis, U. Steiner, A. Schubert, R. Niessner & T. Baumann, Quantifizierung der lokalen und Prognose der regionalen hydraulischen und hydrochemischen Reservoireigenschaften des Malmaquifers auf Basis eines Push-Pull-Tests am Standort Pullach (Puma), Quantifizierung der lokalen und Prognose der regionalen hydraulischen und hydrochemischen Reservoireigenschaften des Malmaquifers auf Basis eines Push-Pull-Tests am Standort Pullach (Puma) doi://10.2314/GBV:869941763 (2016).

T. Baumann, Validation of hydrochemical analyses and gas concentrations of deep geothermal aquifers, In: , Proceedings, 41st workshop on geothermal reservoir engineering, 1269-1277, Stanford University, (2016).

G. E. Schaumann, A. Philippe, M. Bundschuh, G. Metreveli, S. Klitzke, D. Rakcheeva, A. Grün, S. Kumahor, M. Kühn, T. Baumann, F. Lang, W. Manz, R. Schulz & H.-J. Vogel, Understanding biological effects of Ag- and TiO2-nanoparticles in the environment: The quest for advanced analytics and interdisciplinary concepts, Sci. Tot. Environ. 535, doi://http://dx.doi.org/10.1016/j.scitotenv.2014.10.035 (2015).

G. E. Schaumann, T. Baumann, F. Lang, G. Metreveli & H.-J. Vogel, Engineered nanoparticles in soils and waters, Sci. Tot. Environ. 535, 1-2 (2015).

M. Kühn, S. P. Ivleva, S. Klitzke, R. Niessner & T. Baumann, Investigation of coatings of natural organic matter on silver nanoparticles under environmentally relevant conditions by surface-enhanced Raman scattering, Sci. Tot. Environ. 535, doi://http://dx.doi.org/10.1016/j.scitotenv.2014.12.026 (2015).

M. Herbrich, R. Niessner & T. Baumann, Minimierung von Risiken bei Planung und langfristigem Betrieb tiefengeothermischer Anlagen im bayerischen Molassebecken, Minimierung von Risiken bei Planung und langfristigem Betrieb tiefengeothermischer Anlagen im bayerischen Molassebecken (2015).

C. Chrysiokopoulos, T. Baumann & M. Flury, Special issue on fate and transport of biocolloids and nanoparticles in soil and groundwater systems, J Cont. Hydrol. 181, 1-2 (2015).

C. Mayrhofer, R. Niessner & T. Baumann, Hydrochemistry and hydrogen sulfide generating processes in the Malm aquifer, Bavarian Molasse Basin, Germany, Hydrogeol J. 22, doi://10.1007/s10040-013-1064-2 (2014).

N. Nestle, R. Morris & T. Baumann, Environmental NMR: Magnetic resonance imaging, eMagRes 2, doi://10.1002/9780470034590.emrstm1349 (2013).

N. P. Ivleva, S. Huckele, B. Weinzierl, R. Niessner, C. Haisch & T. Baumann, Identification and characterization of individual airborne volcanic ash particles by Raman microspectroscopy, Anal. Bioanal. Chem. 405, doi://10.1007/s00216-013-7328-9 (2013).

T. Baumann, Organische Spurenstoffe in Tiefengrundwasserleitern, Jh. Ges. Naturkde. Württemberg Sonderband Carlé, 103-117 (2013).

P. Abraham, S. Barnikol, T. Baumann, M. Kühn, N. P. Ivleva & G. Schaumann, Sorption of silver nanoparticles to environmental and model surfaces, Environ. Sci. Technol. 47, doi://10.1021/es303941e (2013).

B. Tilley & T. Baumann, On temperature attenuation in open-loop wells, Renew. Energy 48, 416-423 (2012).

M. Rieger, G. E. Schaumann, Y. Kunhi Mouvenchery, R. Niessner, M. Seidel & T. Baumann, Development of antibody-labeled nanoparticles for the visualization of benzo[a]pyrene in porous media with magnetic resonance imaging, Anal. Bioanal. Chem. 403, 2529-2540 (2012).

J. Birner, C. Mayr, L. Thomas, M. Schneider, T. Baumann & A. Winkler, Hydrochemistry and evolution of deep groundwaters in the malm aquifer in the bavarian part of the South German Molasse Basin, Z. geol. Wiss. 39, 291-308 (2011).

C. J. Werth, C. Zhang, M. Brusseau, M. Oostrom & T. Baumann, A review of non-invasive imaging methods and applications in contaminant hydrogeology research, J. Contam. Hydrol. 113, 1-24 (2010).

H. H. Dieter, H. Höring & T. Baumann, Befund und Bewertung, In: R. Niessner, Höll - Wasser, 713-808, deGruyter, Berlin (2010).

T. Baumann, L. A. Toops & R. Niessner, Colloid dispersion on the pore scale, Water Res. 44, doi://10.1016/j.watres.2009.11.035 (2010).

T. Baumann, Nanoparticles in groundwater - occurrence and applications, In: F. H. Frimmel & R. Niessner, Nanoparticles in the water cycle, doi://10.1007/978-3-642-10318-6, Springer, Berlin (2010).

N. Nestle, A. Wunderlich & T. Baumann, MRI studies of flow and dislocation of model NAPL in saturated and unsaturated sediments, Europ. J. Soil Sci. 59, 559-571 (2008).

Posters

C. Wismeth, M. Manhart, R. Niessner & T. Baumann, Quantification of the mass transfer at fluid interfaces in microfluidic systems and the Marangoni effect, ANAKON, 3.-6.4.2017, Tübingen.

M. Ueckert, C. Wismeth & T. Baumann, Crystallization of calcium carbonate in a large scale field study, EGU General Assembly, 23.-28.4.2017, Vienna.

M. Ueckert, C. Wismeth & T. Baumann, Crystallization of calcium carbonate in a large scale field study, Der Geothermie Kongress, 13.-14.9.2017, München.

G. Metreveli, S. Kurtz, A. Philippe, N. Tayyebi, F. Seitz, R. R. Rosenfeldt, A. Grün, S. K. Kumahor, T. Baumann, M. Bundschuh, F. Lang, S. Klitzke, W. Manz, R. Schulz, H.-J. Vogel & G. E. Schaumann, A floodplain mesocosm study: Distribution, mobility, aging, and functioning of engineered silver nanoparticles at the aquatic-terrestrial interface, EGU General Assembly, 23.-28.4.2017, Vienna.

B. Köhl, J. Grundy & T. Baumann, Ripple scalings in geothermal facilities, a key to understand the scaling process, EGU General Assembly, 23.-28.4.2017, Vienna.

B. Köhl & T. Baumann, Scalings im geothermiekreislauf, Der Geothermie Kongress, 13.-14.9.2017, München.

S. Amininejad, R. Niessner & T. Baumann, SERS investigation of coatings on thermal modified titanium dioxide nanoparticles, EGU General Assembly, 23.-28.4.2017, Vienna.

S. Amininejad, R. Niessner & T. Baumann, Observation of coating on titanium dioxide nanoparticles by surface-enhanced raman scattering, ANAKON, 3.-6.4.2017, Tübingen.

S. Amininejad, R. Niessner & T. Baumann, Observation of coating on tio2 nanoparticles by surface-enhanced raman scattering, NanoImpact Conference, 12.-17.3.2017, Monte Verita, Switzerland.

C. Wismeth, S. Muffler, M. Ueckert, R. Niessner & T. Baumann, Fluid-matrix interactions during high-temperature aquifer storage - lab experiments and modelling, 25. Tagung der FH-DGGV, 13.-17.4.2016, Karlsruhe.

C. Wismeth, S. Muffler, M. Ueckert, R. Niessner & T. Baumann, Fluid-matrix interactions during high-temperature aquifer storage - lab experiments and modelling, EGU General Assembly, 17.-22.4.2016, Vienna.

M. Ueckert, R. Niessner & T. Baumann, High temperature aquifer storage, 25. Tagung der FH-DGGV, 13.-17.4.2016, Karlsruhe.

B. Köhl, R. Niessner & T. Baumann, Teilprojekt Scaling - Prinzip, wissenschaftliche Fragestellungen und Lösungsansätze, Auftaktveranstaltung Geothermie-Allianz Bayern, 30.9.2016, Garching b. München.

B. Köhl, R. Niessner & T. Baumann, Scalings at geothermal facilities exploring the Malm aquifer (Bavarian Molasse Basin), European Geothermal PhD-day, 24.-26.2.2016, Bari.

B. Köhl, R. Niessner & T. Baumann, Scalings at geothermal facilities (Bavaria), Münchener Wissenschaftstage, 12-15.11.2016, Munich.

M. Herbrich, B. Köhl & T. Baumann, Scalings at geothermal facilities exploring the Malm aquifer in the Bavarian Molasse Basin, 25. Tagung der FH-DGGV, 13.-17.4.2016, Karlsruhe.

T. Baumann, M. Lafogler, F. Wenderoth & J. Bartels, Processes in the vicinity of an injection well of a geothermal facility in the Malm aquifer, EGU General Assembly, 17.-22.4.2016, Vienna.

M. Ueckert, R. Niessner & T. Baumann, High temperature aquifer storage, EGU General Assembly, 12.4.-17.4.2015, Vienna.

M. Ueckert & T. Baumann, Wärmespeicherung im malm aquifer, Der Geothermiekongress, 2.11.-4.11.2015, Essen.

G. E. Schaumann, Z. Steinmetz, G. Metreveli, H.-J. Vogel, M. Bundschuh, T. Baumann, R. Schulz, F. Lang, F. Seitz, R. R. Rosenfeldt & W. Manz, Floodplain mesocosm system for studying environmental fate and effects of engineered nanoparticles, EGU General Assembly, 12.4.-17.4.2015, Vienna.

M. Kühn, N. P. Ivleva, S. Klitzke, F. v. d. Kammer, R. Niessner & T. Baumann, Surface-enhanced Raman spectroscopy (SERS) to detect natural organic coatings on silver nanoparticles, EGU General Assembly, 12.4.-17.4.2015, Vienna.

M. Kühn, N. Ivleva, R. Niessner & T. Baumann, Surface-enhanced Raman spectroscopy (SERS) to detect natural organic coatings on silver nanoparticles, ANAKON, 23.3.-26.3.2015, Graz.

M. Ueckert, U. Steiner, M. Auer, R. Niessner & T. Baumann, High temperature aquifer storage in the Molasse Basin, Bavaria, FH-DGG Tagung, 28.-30.5.2014, Bayreuth.

M. Ueckert, R. Niessner & T. Baumann, Colloids in the River Inn, EGU General Assembly, 27.4.-2.5.2014, Vienna.

M. Lafogler, A. Savvatis, F. Wenderoth, A. Seitz-Gutmann, R. Niessner & T. Baumann, Effects of hydrogeochemistry on the long-term hydraulic behaviour of geothermal wells in the Molasse Basin, Bavaria, FH-DGG Tagung, 28.-30.5.2014, Bayreuth.

M. Kühn, N. P. Ivleva, R. Niessner & T. Baumann, Stability and effects of natural coatings on engineered inorganic nanoparticles (EINP) investigated by surface enhanced Raman spectroscopy (SERS), FH-DGG Tagung, 28.-30.5.2014, Bayreuth.

M. Herbrich, C. Hecht, N. Frank, C. Pletl, F. Barenth, R. Niessner & T. Baumann, Scalings in the thermal water system of a geothermal power plant in the Malm aquifer, FH-DGG Tagung, 28.-30.5.2014, Bayreuth.

T. Baumann, C. Metz & R. Niessner, Colloids at NAPL-interfaces, EGU General Assembly, 27.4.-2.5.2014, Vienna.

C. Metz, N. P. Ivleva, R. Niessner & T. Baumann, Quantification of chemical gradients at biogeochemical interfaces, ANAKON 2013, 4.-7.3.2013, Essen.

M. Lafogler, G. Somogyi, R. Niessner & T. Baumann, Fluoreszenzspektroskopie zur Prognose der Reservoireigenschaften des Malmaquifers für die Geothermie, ANAKON 2013, 4.-7.3.2013, Essen.

M. Kühn, N. P. Ivleva, R. Niessner & T. Baumann, Untersuchung von Huminstoffbeschichtungen künstlich hergestellter Silbernanopartikel mittels oberflächenverstärkter Raman-Spektroskopie, ANAKON 2013, 4.-7.3.2013, Essen.

M. Herbrich, N. Frank, C. Pletl, F. Barenth, R. Baasch, R. Niessner & T. Baumann, Gas- und Partikelmonitoring an tiefengeothermischen Anlagen, ANAKON 2013, 4.-7.3.2013, Essen.

H. Halm, M. Lafogler, T. Baumann, A. Seibt & H. Würdemann, Temperature induced changes on the microbial community in a geothermal plant in the Molasse Basin, How dead is dead: Life cycles III, 6.-7.6.2013, Berlin.

C. Metz, N. P. Ivleva, R. Niessner & T. Baumann, Bacterial growth in porous media - the pore scale perspective, Wasser 2012, 14.-16.5.2012, Neu-Ulm.

M. Lafogler, L. Pang, M. Close, R. Nießner & T. Baumann, Phosphorous transport, EGU General Assembly, 23.-27.4.2012, Vienna.

M. Lafogler, M. Nottebohm, F. Wenderoth, R. Baasch, A. Schubert, M. Sauter, R. Niessner & T. Baumann, Characterizing a geothermal doublet in the Malm aquifer of the Bavarian molasse basin by performing a push-pull tracer test, FH-DGG Tagung, 16.-19.5.2012, Dresden.

M. Herbrich, N. Frank, C. Pletl, R. Niessner & T. Baumann, Fluid monitoring of geothermal facilities in the Bavarian molasse basin, FH-DGG Tagung, 16.-19.5.2012, Dresden.

T. Baumann, S. Huckele & R. Nießner, Nanoparticles at the interface between atmosphere and hydrosphere, EGU General Assembly, 23.-27.4.2012, Vienna.

M. Rieger, R. Niessner & T. Baumann, Visualization and quantification of processes at biogeochemical interfaces with magnetic resonance imaging, ANAKON 2011, 22.-25.3.2011, Zürich.

M. Rieger, R. Niessner & T. Baumann, Visualization and quantification of processes at biogeochemical interfaces with magnetic resonance imaging, Anakon 2011, 22.-25.3.2011, Zürich.

C. Metz, T. Baumann, R. Niessner, B. Ungerböck & T. Mayr, Investigation of pore scale processes at biogeochemical interfaces using micromodels with chemical sensors, ANAKON 2011, 22.-25.3.2011, Zürich.

C. Mayr, R. Niessner & T. Baumann, Hydrochemische Charakterisierung einer untypischen Thermalwasserbohrung, Wasser 2011, 30.5.-1.6.2011, Norderney.

C. Mayr, R. Niessner & T. Baumann, Die Isotopen 34S, 18O und 2H als Indikatoren für die Genese von Tiefenwässern im bayerischen Molassebecken, ANAKON 2011, 22.-25.3.2011, Zürich.

C. Mayr, R. Niessner & T. Baumann, Die Isotope $^34$S, $^18$O und $^2$H als Indikatoren für die Genese von Tiefenwässern im Bayerischen Molassebecken, Anakon 2011, 22.-25.3.2011, Zürich.

S. Huckele, B. Weinzierl, R. Niessner, C. Haisch, T. Baumann & N. P. Ivleva, Identification of Eyjafjallajökull volcanic ash particles collected in munich in spring 2010 by Raman microspectroscopy, European Aerosol Conference, EAC 2011, 4.-9.9.2011, Manchester, UK.

S. Huckele, N. P. Ivleva, B. Weinzierl, U. Schumann, R. Niessner, C. Haisch & T. Baumann, Immission von Vulkanpartikeln in die Hydrosphäre, Anakon 2011, 22.-25.3.2011, Zürich.

E. Heuer, K. Späth, R. Niessner & T. Baumann, Cybutryn in einem oberbayerischen Binnengewässer, Wasser 2011, 30.5.-1.6.2011, Norderney.

N. Frank, C. Pletl, F. Barenth & T. Baumann, Risiken bei Planung und Betrieb tiefengeothermischer Anlagen im Malmaquifer - Konzept und Ziele, Der Geothermiekongress, 11.-15.11.2011, Bochum.

T. Baumann, Nicht-relevante metabolite in einem tiefengrundwasserleiter, Langenauer Wasserforum 2011, 7.-8.11.2011, Langenau.

C. Mayr, R. Niessner & T. Baumann, Geothermie im Voralpenland - Eine Herausforderung für die Wasserchemie, Wasser 2010, 10.-12.5.2010, Bayreuth.

C. Mayr, R. Niessner & T. Baumann, Die möglichen Auswirkungen von Schwefelwasserstoff im Tiefengrundwasser des Malm auf die Geothermie, Der Geothermiekongress 2010, 17.-19.11.2010, Karlsruhe.

C. Mayr, R. Niessner & T. Baumann, Schwefelwasserstoff im Tiefengrundwasser des Malmaquifers im Voralpenland, Der Geothermiekongress 2009, 17.-19.11.2009, Bochum.

C. Mayr, R. Niessner & T. Baumann, Gasförmiger Schwefel im Thermalwasser, Anakon 2009, 17.-20.3.2009, Berlin.

S. Huckele, R. Niessner & T. Baumann, Nanopartikeldynamik im Sickerwasser, Anakon 2009, 17.-20.3.2009, Berlin.

T. Baumann, L. Toops, C. Mayr & R. Niessner, Mobility analysis of nanoparticles and hydrocolloids, Anakon 2009, 17.-20.3.2009, Berlin.

M. Schneider, A. Schubert, T. Baumann, F. Böhm, U. Steiner, C. Mayr & C. Kofahl, Vorstellung eines aktuellen Forschungsvorhabens zur Charakterisierung tiefer Grundwasserfliessysteme für geothermale Energie am Beispiel des Malmaquifers im süddeutschen Molassebecken, Geothermiekongress 2008, 11.-13.11.2008, Karlsruhe.

Talks

C. Wismeth, M. Manhart, R. Niessner & T. Baumann, Quantification of the mass transfer at fluid interfaces in microfluidic channels, EGU General Assembly, 23.-28.4.2017, Vienna.

C. Wismeth & T. Baumann, Mass transfer ar interfaces between water and non-aqueous liquids: Marangoni and others, IMMENS Workshop 5.-6.10.2017, Centre of Integrated Petroleum Research (CIPR), Uni Research, Bergen, NO.

M. Ueckert & T. Baumann, Quantification of the reactions in heat storage systems in the malm aquifer, EGU General Assembly, 23.-28.4.2017, Vienna.

M. Ueckert & T. Baumann, Hochtemperaturaquiferspeicher im bayerischen Molassebecken, Der Geothermie Kongress, 13.-14.9.2017, München.

T. Baumann & M. Ueckert, Hydrogeochemical modelling of geothermal systems in the malm aquifer, EGU General Assembly, 23.-28.4.2017, Vienna.

T. Baumann & M. Ueckert, Hydrogeochemical modelling of geothermal systems in carbonates, Univ. Bergen, Dept. of Mathematics, 9.10.2017, Bergen, NO.

T. Baumann & M. Ueckert, Hydrogeochemical modelling of deep geothermal systems in the Upper Jurassic aquifer, bavaria, Der Geothermie Kongress, 13.-14.9.2017, München.

T. Baumann, B. Köhl & M. Herbrich, Reasons for scalings in the geothermal cycle, Praxisforum Geothermie.Bayern, 12.9.2017, München.

M. Ueckert, R. Niessner & T. Baumann, High temperature aquifer storage, 41st Workshop on Geothermal Reservoir Engineering, 22.-24.2.2016, Stanford.

M. Ueckert, R. Niessner & T. Baumann, High temperature aquifer storage, EGU General Assembly, 17.-22.4.2016, Vienna.

M. Lafogler, F. Wenderoth, J. Bartels, G. Somogyi, T. Hinkofer, K. Hess & T. Baumann, Processes in the vicinity of an injection well of a geothermal facility in the malm aquifer, 41st Workshop on Geothermal Reservoir Engineering, 22.-24.2.2016, Stanford.

M. Lafogler, F. Wenderoth, J. Bartels, G. Somogyi, T. Hinkofer, K. Hess & T. Baumann, Processes in the vicinity of an injection well of a geothermal facility in the Malm aquifer (Bavarian Molasse Basin), 25. Tagung der FH-DGGV, 13.-17.4.2016, Karlsruhe.

M. Herbrich, B. Köhl & T. Baumann, Scalings at geothermal facilities exploring the Malm aquifer (Bavarian Molasse Basin), EGU General Assembly, 17.-22.4.2016, Vienna.

T. Baumann & M. Ueckert, High temperatature storage in reactive aquifers - a hydrogeochemists perspective, Themses Kickoff Meeting, 26.-27.9.2016, Bergen/Voss, Norway.

T. Baumann, Visualization of fluid motion at non-aqueous phase interfaces, IMMENS Kickoff Meeting, 29.-30.9.2016, Bergen, Norway.

T. Baumann, Validation of hydrochemical analyses and gas concentrations of deep geothermal aquifers, 41st Workshop on Geothermal Reservoir Engineering, 22.-24.2.2016, Stanford.

T. Baumann, Nanopartikel in aquatischen Systemen - Fluch und Segen, BAM Themenfeld Workshop Umwelt, 15.3.2016, Berlin.

S. Amininejad, R. Weiss, N. Ivleva, R. Niessner & T. Baumann, Visualization of titanium dioxide nanoparticles in environmental samples by using Raman microspectroscopy, Internano Workshop, 20.-21.10.2016, Landau.

M. Ueckert, R. Niessner & T. Baumann, Colloids in the River Inn, EGU General Assembly, 12.4.-17.4.2015, Vienna.

B. S. Tilley, D. S. Brady, M. Ueckert & T. Baumann, Pore dynamics and calcite solubility in carbonaceous aquifers used in energy storage applications, SIAM Conference on Mathematical and Computational Issues in the Geosciences, Stanford University, Stanford, CA, 2 July 2015.

B. S. Tilley, D. S. Brady, M. Ueckert & T. Baumann, Pore dynamics and calcite solubility in carbonaceous aquifers used in energy storage applications, American Physical Society 68th Annual Division of Fluid Dynamics Meeting, Boston, MA, 24 November 2015.

M. Lafogler, F. Wenderoth, R. Niessner & T. Baumann, Quantification of heat mining in the malm aquifer of the bavarian molasse basin, EGU General Assembly, 12.4.-17.4.2015, Vienna.

C. Metz, N. P. Ivleva, R. Niessner & T. Baumann, In situ analysis of pore scale processes at biogeochemical interfaces, FH-DGG Tagung, 28.-30.5.2014, Bayreuth.

M. Kühn, N. P. Ivleva, R. Niessner & T. Baumann, Stability and effects of natural coatings on engineered inorganic nanoparticles (einp) investigated by surface enhanced Raman spectroscopy (SERS), Internano Conference, 12./13.3.2014, Landau.

C. Hecht, N. Frank, C. Pletl, T. Baumann & M. Herbrich, Geothermieanlage Sauerlach, Untersuchungen und Maßnahmen zur Betriebsoptimierung, Der Geothermiekongress, 11.-13.11.2014, Essen.

T. Baumann, Pesticide metabolites as tracers in deep groundwater, International Multidisciplinary Conference on Mineral Waters, 8.-11.9.2014, Karlovy Vary, CZ.

P. M. Abraham, T. Baumann & G. E. Schaumann, Sorption of untreated and humic acid coated silver nanoparticles to environmental and model surfaces, EGU General Assembly, 27.4.-2.5.2014, Vienna.

M. Lafogler, U. Steiner, A. Savvatis, F. Wenderoth, A. Seitz-Gutmann, R. Niessner & T. Baumann, From injection to production - insights from the reverse of the geothermal well in Pullach, 9. Internationale Geothermiekonferenz, 15.-17.5.2013, Freiburg.

M. Lafogler, G. Somogyi, R. Niessner & T. Baumann, Assessment of a geothermal doublet in the malm aquifer using a push-pull tracer test, EGU General Assembly, 7.-12.4.2013, Vienna.

M. Kühn, N. P. Ivleva, R. Niessner & T. Baumann, Visualization of dynamic changes and the effects of coatings on silver nanoparticles by surface enhanced Raman spectroscopy, Goldschmidt 2013, 26.8.-30.8.2013, Florence, Italy.

M. Kühn, N. P. Ivleva, R. Niessner & T. Baumann, Investigation of surface coatings on silver nanoparticles by surface enhanced Raman spectroscopy, EGU General Assembly, 7.-12.4.2013, Vienna.

N. Frank, C. Pletl, T. Baumann & M. Herbrich, Geothermieanlage Sauerlach: Erfahrungsbericht aus der Inbetriebnahme des Heizkraftwerks, Der Geothermiekongress 2013, 12.-14.11.2013, Essen.

T. Baumann, C. Metz, N. P. Ivleva & R. Niessner, Pore scale visualization of chemical gradients at biogeochemical interfaces using micromodels and Raman microspectroscopy, Goldschmidt 2013, 26.8.-30.8.2013, Florence, Italy.

M. Lafogler, R. Baasch, F. Wenderoth, U. Steiner, A. Schubert, R. Niessner & T. Baumann, Quantifizierung und Prognose des Malmaquifer-Reservoirs mit einem Push-pull-Test in Pullach, Der Geothermiekongress, 13.-16.11.2012, Karlsruhe.

M. Herbrich, N. Frank, C. Pletl, F. Barenth & T. Baumann, Monitoring zur Minimierung der Risiken bei Planung und Betrieb tiefengeothermischer Anlagen im Malmaquifer, Workshop Betriebsbegleitendes Fluidmonitoring in geothermischen Anlagen, 26.3.2012, Potsdam.

M. Herbrich, N. Frank, C. Pletl, F. Barenth, R. Baasch, R. Niessner & T. Baumann, Minimierung von Risiken bei Planung und Betrieb tiefengeothermischer Anlagen, Der Geothermiekongress, 13.-16.11.2012, Karlsruhe.

T. Baumann, N. P. Ivleva, C. Metz, M. Rieger & R. Niessner, Visualization of biogeochemical interfaces using micromodels and MRI, INTERPORE 2012, 14.-16.5.2012, West Lafayette, U.S.A.

T. Baumann, S. Huckele, M. Reitzel & R. Niessner, Nanoparticles in the aquatic environment, INTERPORE 2012, 14.-16.5.2012, West Lafayette, U.S.A.

T. Baumann, Visualization of processes in porous media, Institut für Erd- und Umweltwissenschaften, Univ. Potsdam, 5.11.2012.

T. Baumann, Heilbäder in der Provinz Krabi (Thailand), 3. Forum Gesundheitswirtschfaft Bayern, 29.2.2012, Bad Kissingen.

T. Baumann, Geothermal exploration of the malm aquifer in the bavarian molasse basin - hydrochemical and techical issues, Institute of Engineering Geology, ETH Zürich, 17.4.2012.

T. Baumann, Geothermal exploration of the malm aquifer in the bavarian molasse basin - hydrochemical and techical aspects, Centre for Integrated Petroleum Research, University Bergen, 5.9.2012.

T. Baumann, Geothermal exploration of the malm aquifer - hydrochemical analysis as prerequisite for exploration and long term use, TUM Analytik Club, 5.12.2012.

T. Baumann, Geothermal exploration in the bavarian molasse basin - hydrochemical aspects, GeoForschungsZentrum Potsdam - Internationales Geothermiezentrum, 6.11.2012.

T. Baumann, Der Orientierungsrahmen für die ursprüngliche Reinheit, Jahrestagung Arge Naturwissenschaft und Technik im VBK, 19.5.2012, Bad Arolsen.

T. Baumann, Colloids in groundwater, Department of Earth Sciences, Utrecht University, 29.8.2012.

M. Rasco, B. S. Tilley & T. Baumann, Characteristic thermal profiles in open-loop geothermal energy harvesting, SIAM Conference on Mathematical and Computational Issues in the Geosciences, 21.-24.3.2011, Long Beach CA.

T. Baumann, C. Mayr & R. Niessner, Hydrochemisches Monitoring als Werkzeug zur Charakterisierung von Thermalbohrungen, Der Geothermiekongress, 11.-15.11.2011, Bochum.

T. Baumann, Ursprüngliche Reinheit = Nullstandard, VDM Brunnenfachgespräch, 22.11.2011, Nürburg.

T. Baumann, Metabolite von Pflanzenschutzmitteln in Mineralwasser - Hydrogeologie, BMELV Fachgespräch, 3.2.2011, Bonn.

C. Mayr, R. Niessner & T. Baumann, Untersuchung der Isotopen $^34$S, $^18$O und $^2$H im Thermalwasser des Malmaquifers im Großraum München, FH-DGG Tagung 2010, 12.-16.5.2010, Tübingen.

S. Huckele, R. Niessner & T. Baumann, Screening von Nanopartikeln in der ungesättigten Zone, FH-DGG Tagung 2010, 12.-16.5.2010, Tübingen.

T. Baumann, Quantification of colloid transport at the pore scale in micromodels, Institute of Analytical Chemistry and Food Chemistry, 15.6.2010, TU Graz.

M. Schneider, A. Schubert, T. Baumann, F. Böhm, U. Steiner & C. Mayr, Vorstellung eines aktuellen Forschungsvorhabens zur hydrogeologischen Charakterisierung des Malms als tiefer Grundwasserleiter, Der Geothermiekongress 2009, 17.-19.11.2009, Bochum.

L. Toops, R. Niessner & T. Baumann, Colloid dispersion in groundwater - the pore scale perspective, FH-DGG Tagung, 21.5.-24.5.2008, Göttingen.

T. Baumann & R. Niessner, Hydrochemie und Gaszusammensetzung des Tiefengrundwassers aus dem Malmaquifer im Voralpenland, FH-DGG Tagung, 21.5.-24.5.2008, Göttingen.

T. Baumann, Colloids in groundwater and at contaminated sites, analytica Conference, 1.4.-3.4.2008, München.

T. Baumann, Colloids in Groundwater - From Field Scale to Pore Scale, ESR Christchurch Science Centre, 25.11.2008, Christchurch (NZL).