Presentations

First-Authored Presentations

Schroth, M.H., Zhu, B., Kübler, M., Ridoli, M., Inventory of Methane Entrapped in Sediments of Calcareous, Alpine Glacier Forefields in Switzerland, Fall Meeting of the American Geophysical Union, Washington D.C., USA, 2018.

Schroth, M.H., and Nauer, P.A., New Diffusion-Chamber Multi-Level Sampler (DCMLS) for Quantitative Soil-Gas-Profile Analysis, International Society for Subsurface Microbiology Conference, Rotorua, New Zealand, 2017.

Schroth, M.H., B. Zhu, R. Henneberger, J. Zeyer. Origin of Methane Entrapped in Calcareous Alpine Proglacial Sediments. Fall Meeting of the American Geophysical Union, San Francisco, USA, 2016.

Schroth, M.H., Microsensor applications in Subsurface Biogeochemistry. Unisense Microsensor Workshop, Arhus, Denmark, April 6 - 8, 2016.

Schroth, M.H., A. Dax, F. Genter, R. Henneberger. Field-Scale Inhibition and Recovery of Atmospheric-Methane Oxidation in Soil. Fall Meeting of the American Geophysical Union, San Francisco, USA, 2015.

Schroth, M.H., I. Mignola, R. Henneberger. Response of Atmospheric-Methane Oxidation to Methane-Flux Manipulation in a Laboratory Soil-Column Experiment. Fall Meeting of the American Geophysical Union, San Francisco, USA, 2015.

Schroth, M.H., E. Chiri, P.A. Nauer, E.-M. Rainer, J. Zeyer. Seasonal Variability in Atmospheric-Methane Oxidation in a Swiss Glacier Forefield. Fall Meeting of the American Geophysical Union, San Francisco, USA, 2014.

Schroth, M.H., F. Ugolini, R. Henneberger, H. Bürgmann, and J. Zeyer. In-Situ Extraction of Microorganisms From Aquifer Sediments. International Symposium on Subsurface Microbiology, Pacific Grove, USA, 2014.

Schroth, M.H., R. Henneberger, and E. Chiri. Field-Scale Stable-Isotope Probing of Active Methanotrophs in a Landfill-Cover Soil. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 3-7, 2012. B51G-0635.

Schroth, M.H. Methane Turnover in Terrestrial Ecosystems. ESF Exploratory Workshop on Geomicrobiology in Glacial Systems, Sogndal, Norway, Aug. 7-10, 2012. INVITED.

Schroth, M.H., R. Cho, and J. Zeyer. In-Situ Quantification of Microbial Processes Controlling Methane Emissions From Rice Plants. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 5-9, 2011. H53H-1516.

Schroth, M.H., P.A. Nauer, and J. Zeyer. Survey on Atmospheric Methane Oxidation in Young Glacier-Forefield Soils. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 11-17, 2010. B13C-0497.

Schroth, M.H. Microbial Methane Oxidation in Terrestrial Systems. IWW Research Seminar Series, Oregon State University, Corvallis, OR, Nov. 30, 2010. INVITED.

Schroth, M.H. Use of Radon as a tracer gas in soils. Department of Biological and Ecological Engineering, Oregon State University, Corvallis, OR, Nov. 11, 2010.

Schroth, M.H. Functional diversity in soils: microorganisms and greenhouse gases. 5^th Nature Congress, Workshop on Soil Biodiversity, Basel, Switzerland, February 12, 2010.

Schroth, M.H., R. Cho, and J. Zeyer. Circadian Variability in Methane Oxidation Activity in the Root Zone of Rice Plants. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 14-18, 2009. B51C-0326.

Schroth, M.H. Fate of Methane in a Landfill Cover Soil. Swiss Federal Institute of Aquatic Science and Technology (EAWAG) Seminar Series, Kastanienbaum, Switzerland, Nov. 3, 2008. INVITED.

Schroth, M.H., and P. Nauer. Quantification of Atmospheric Methane Oxidation in Near-Surface Soils. TUMSS Research Cluster Seminar Series, ETH Zurich, Switzerland, Apr. 9, 2008. INVITED.

Schroth, M.H., P. Nauer, and J. Zeyer. Quantification of Microbial Activities in Near-Surface Soils. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 10-14, 2007. H53F-1483.

Schroth, M.H., K. Urmann, J. Kleikemper, and J. Zeyer. In-situ quantification of methane production and consumption in contaminated subsurface environments. Mini-Symposium on “Monitoring of contaminant-degrading microbial communities and their activities in the environment”, VAAM Meeting, Jena, Germany, March 19-22, 2006. FGF06, INVITED.

Schroth, M.H. Push-Pull Tests for site characterization and remedial design. BMG Engineering AG, Schlieren, Switzerland, March 06, 2006. INVITED.

Schroth, M.H. In-situ quantification of methane oxidation in soils. Environmental Engineering Seminar Series, EPFL Lausanne, Switzerland, Nov. 7, 2005. INVITED.

Schroth, M.H. In-situ quantification of microbial processes involved in methane turnover in soils. 2^nd International Conference on Greenhouse Gases and Animal Agriculture, Zürich, Switzerland, Sept. 20-24, 2005. INVITED.

Schroth, M.H. Quantification of microbial and geochemical processes in contaminated aquifers and soils. DFG Workshop on Modeling of Reactive Processes in the Subsurface, Karlsruhe, Germany, December 2-3, 2004. INVITED.

Schroth, M.H., K. Urmann, G. Gonzalez-Gil, and J. Zeyer. Gas Push-Pull Test for In-Situ Quantification of Vadose Zone Microbial Activities. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 2003. H32A-0508.

Schroth, M.H., J. Kleikemper, S.M. Bernasconi, and J. Zeyer. Stable sulfur isotope fractionation for assessment of microbial sulfate reduction in petroleum-contaminated aquifers. International Symposium of Subsurface Microbiology (ISSM), Copenhagen, Denmark, September 8-13, 2002. 

Schroth, M.H., J. Kleikemper, S.A. Pombo, and J. Zeyer. Using push-pull tests combined with stable isotopes and molecular tools to assess metabolic activity and microbial diversity in a petroleum-contaminated aquifer. VAAM Workshop on Anaerobic Degradation of Environmental Pollutants, Stuttgart, Germany, December 5-6, 2002. INVITED.

Schroth, M.H., J. Kleikemper, S.A. Pombo, and J. Zeyer. Assessment of anaerobic metabolic activity and microbial diversity in a petroleum-contaminated aquifer using push-pull tests in combination with molecular tools and stable isotopes. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 6-10, 2002. B51B-0717.

Schroth, M.H., A. Schürmann, and J. Zeyer. Denitrification in a petroleum-contaminated aquifer: in-situ assessment using push-pull tests combined with acetylene inhibition and ¹⁵N-techniques. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 10-15, 2001. B42B-0143. 

Schroth, M.H. Field-scale measurements of microbial metabolic activities using push-pull tests. Swiss Federal Institute for Environmental Science and Technology (EAWAG), November, 2000. INVITED.

Schroth, M.H., J. Kleikemper, C. Bolliger, S. Bernasconi, and J. Zeyer. Quantification of microbial sulfate reduction in a petroleum-contaminated aquifer. 59^th Annual Assembly of the Swiss Society for Microbiology, Zürich, Switzerland, March 23-24, 2000. P16. 

Schroth, M.H., J. Kleikemper, C. Bolliger, and J. Zeyer. Quantification of Microbial Sulfate Reduction in a Petroleum-Contaminated Aquifer. General Assembly of the European Geophysical Society, Nice, France, April 25-29, 2000. HSA6.01.

Schroth, M.H., C. Bolliger, J. Kleikemper, and J. Zeyer. In-Situ Assessment of Sulfate Reduction in a Petroleum-Contaminated Aquifer Using Single-Well Push-Pull Tests and Stable Isotope Analysis. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 13-17, 1999. H31B-13.

Schroth, M.H., J.D. Istok, and R. Haggerty. On determining parameters for zero-, first-order and Monod reaction kinetics using push-pull tests. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 6-11, 1998. H41D-06. 

Schroth, M.H., J.D. Istok, M.R. Hyman, and K.T. O'Reilly. Field-scale measurements of in-situ microbial metabolic activities. In-Situ and On-Site Bioremediation: The Fourth International Symposium, New Orleans, Louisiana, April 28 - May 1, 1997.

Schroth, M.H., J.D. Istok, and M.R. Hyman. Spatial variability in aerobic respiration and denitrification rates in a petroleum-contaminated aquifer. 49th Annual National Ground Water Convention and Exposition, Las Vegas, Nevada, September 3-6, 1997. INVITED.

Schroth, M.H., J.A. Field, R. Haggerty, M.D. Humphrey, J.D. Istok, M.J. Kelley, K.M. Radakovich, and T.E. Sawyer. In-Situ Estimation of Solute Retardation in Aquifers Using Single-Well "Push-Pull" Tests. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H42C-18.

Schroth, M.H., J.D. Istok, J.S. Selker, M. Oostrom and M.D. White. Multifluid Flow in Bedded Porous Media: Laboratory Experiments and Numerical Simulations. Swiss Federal Institute of Technology (ETH) Zürich, Institute of Terrestrial Ecology – Soil Physics, November, 1997.

Schroth, M.H., J.D. Istok, J.S. Selker, M. Oostrom and M.D. White. Multifluid Flow in Bedded Porous Media: Laboratory Experiments and Numerical Simulations. Swiss Federal Institute of Technology (ETH) Zürich, Institute of Hydromechanics and Water Resources, November, 1997.

Schroth, M.H., J.A. Field, R. Haggerty, M.R. Hyman, J.D. Istok, and L. Semprini. Single-Well "Push-Pull" Test for Improved Site Characterization, Enhanced Monitoring, and Rapid Feasibility Assessments. University of Tübingen, Germany, Institute of Geology and Paleontology, November, 1997. 

Schroth, M.H., J.D. Istok, M.R. Hyman, and K.T. O'Reilly. Field-scale measurements of in-situ microbial metabolic activities. University of Bayreuth, Germany, Institute of Geoecology, November, 1997.

Schroth, M.H., J.D. Istok, J.S. Selker, M. Oostrom and M.D. White. Multifluid Flow in Bedded Porous Media: Laboratory Experiments and Numerical Simulations. Technical University Darmstadt, Germany, Institute of Water Resources Engineering, November, 1997.

Schroth, M.H., J.D. Istok, M.R. Hyman, and K.T. O'Reilly. Field-scale measurements of in-situ microbial metabolic activities. University of Stuttgart, Germany, Institute for Water Resources, November, 1997.

Schroth, M.H., G.T. Conner, J.D. Istok, M.R. Hyman, and K.T. O'Reilly. Assessing Spatial Variability of In-situ Microbial Metabolic Activities at a Petroleum-Contaminated Site Using Single-Well Push-Pull Tests. Geological Society of America Annual Meeting, Denver, Colorado, Oct. 28-31, 1996. # 50308. 

Schroth, M.H., G.T. Conner, J.D. Istok, M.R. Hyman, R. Haggerty, and K.T. O'Reilly. In-Situ Reaction Rates for Solutes in Groundwater, 2. Estimation of Field-Scale Rates in a Petroleum Contaminated Aquifer. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 15-19, 1996. H11A-15.

Schroth, M.H., J.D. Istok and J.S. Selker (presenting). Movement of Nonaqueous Phase Liquids in Unsaturated Media. First Annual Pacific Northwest Water Issues and 1995 Pacific Northwest / Oceania Conferences, Portland, Oregon, February 27-28, 1995.

Schroth, M.H., J.D. Istok, J.S. Selker, M.D. White and M. Oostrom. Modeling Three-Phase Immiscible Fluid Movement in the Vicinity of Capillary Barriers. 20^th General Assembly of the European Geophysical Society, Hamburg, Germany, April 3-7, 1995. HS1. 

Schroth, M.H., J.D. Istok, J.S. Selker, M.D. White and M. Oostrom. Modeling Multiphase Fluid Flow in Unsaturated Heterogeneous Porous Media. Annual Meeting of the Soil Science Society of America, St. Louis, Missouri, Oct. 29 – Nov. 2, 1995. S01023.

Schroth, M.H., J.D. Istok, J.S. Selker, M. Oostrom and M.D. White. Multiphase Fluid Flow in Bedded Porous Media: 1. Two-Dimensional Experiments. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 11-15, 1995. H52C-7.

Schroth, M.H., S.J. Ahearn, J.S. Selker and J.D. Istok. Properties and Characterization of Miller-Similar Silica Sands Used in Experiments of Vadose Zone Hydrologic Studies. Annual Meeting of the Soil Science Society of America, Seattle, Washington, Nov. 13-18, 1994. S1-720. 

Schroth, M.H., J.C. Frankenfield, J.S. Selker and J.D. Istok. Three-Phase Immiscible Fluid Movement in the Vicinity of Capillary Barriers. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 5-9, 1994. H51D-8.

Schroth, M.H., S.J. Ahearn, J.S. Selker and J.D. Istok. Geometry and Position of LNAPL Lenses in Water-Wetted Porous Media. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 6-10, 1993. H32A-1.

Co-Authored Presentations

Zhu, B., and Schroth, M.H., Fate of Methane Entrapped in Calcareous Alpine Proglacial Soils Under Variable Environmental Conditions, Fall Meeting of the American Geophysical Union, Washington D.C., USA, 2018.

Zhu, B., Henneberger, R., Zeyer, J., and Schroth, M.H., Origin and Distribution of Methane Entrapped in Calcareous Alpine Proglacial Soils. European Geosciences Union General Assembly, Vienna, Austria, April 23-28, 2017.

Chiri, E., P.A. Nauer, E.-M. Rainer, R. Henneberger, J. Zeyer, and Schroth, M.H., Dynamics of atmospheric-methane oxidation in glacier-forefield soils. European Geosciences Union General Assembly, Vienna, Austria, April 12-17, 2015.

Henneberger, R., E. Chiri, P.E.L. Bodelier, P. Frenzel, C. Lüke, and Schroth, M.H. (presenting), Field-scale tracking of active methane-oxidizing communities in a landfill-cover soil. International Symposium on Subsurface Microbiology (ISSM), Pacific Grove, USA, Oct. 5-10, 2014.

Hiller, R., Bretscher, D., DelSontro, T., Eugster, W., Henne, S., Henneberger, R., Künzle, T., Merbold, L., Neininger, B., Schellenberger, A., Schroth, M.H., Buchmann, N., and Brunner, D., Spatially explicit methane inventory for Switzerland. European Geosciences Union General Assembly, Vienna, Austria, April 7-12, 2013.

Nauer, P.A., J. Zeyer, and M.H. Schroth. Poly-Use Multi-Level Sampling Rod (PULSAR) to Measure Soil-Gas Exchange in Glacier Forefield Soils. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 3-7, 2012. H11B-1181.

Henneberger, R., E. Chiri, and M.H. Schroth. Structure and field-scale activity of methane-oxidizing bacterial communities in a landfill-cover soil. 14th International Symposium on Microbial Ecology ISME, Copenhagen, Denmark, Aug. 19-24, 2012.

Henneberger, R., E. Chiri, J. Blees, H. Niemann, and M.H.Schroth. Field-scale labelling of active methanotrophs by combining stable-isotope probing with gas push-pull tests. 14th International Symposium on Microbial Ecology ISME, Copenhagen, Denmark, Aug. 19-24, 2012.

Henneberger, R., J. Zeyer, and M.H. Schroth. Structure and function of methanotrophic communities in a landfill-cover soil. 8th International Symposium of Subsurface Microbiology (ISSM), Garmisch-Patenkirchen, Germany, 2011.

Henneberger, R., L. Mosberger, J. Zeyer, and M.H. Schroth. Structural and functional stability of methanotrophic communities in a landfill-cover soil. 4th Congress of European Microbiologists FEMS, Geneva, Switzerland, 2011.

Mosberger L., S. Slawtschew, A.G. Franchini, A. Lazzaro, M.H. Schroth, and J. Zeyer. Methane Turnover and Methanotrophic Diversity in a Landfill-Cover Soil affected by Water Content and Temperature. Annual Congress of the Swiss Society for Microbiology, Zurich, Switzerland, June 24-25, 2010. 

Nauer, P.A., M.H. Schroth, E.A. Pinto, and J. Zeyer. Atmospheric Methane Oxidation Quantified in Young Glacier-Forefield Soils. Annual Congress of the Swiss Society for Microbiology, Zurich, Switzerland, June 24-25, 2010. 

Nauer, P.A., M.H. Schroth, E.A. Pinto, and J. Zeyer. Quantification of atmospheric methane oxidation in glacier forefields: Initial survey results. General Assembly of the European Geophysical Union, Vienna, Austria, May 2-7, 2010. 

Knecht, K., B. Nowack, M.H. Schroth, and R. Schulin. Micro push-pull tests under unsaturated conditions: A new technique to investigate rhizosphere processes. General Assembly of the European Geophysical Union, Vienna, Austria, May 2-7, 2010. 

Knecht, K., B. Nowack, M.H. Schroth, and R. Schulin. Development and evaluation of micro push-pull tests to investigate rhizosphere processes. 10^th International Conference on Biogeochemistry of Trace Elements (ICOBTE), Chihuahua, Mexico, July 13-16, 2009. 

Ugolini, F., K. Gómez, M.H. Schroth, W. Eugster, P. Niklaus, P. Oester, and J. Zeyer. Seasonal Changes in the Fate of Methane in a Landfill-Cover Soil. Annual Meeting of the Swiss Society for Microbiology, Lausanne, Switzerland, June 4-5, 2009. 

Knecht, K., B. Nowack, M.H. Schroth, and R. Schulin. Development of micro push-pull tests to investigate rhizosphere processes. General Assembly of the European Geophysical Union, Vienna, Austria, April 19–24, 2009. 

Cho, R., M.H. Schroth, and J. Zeyer. Methane turnover in the rice root zone: A novel quantification tool. 3rd SSM Swiss Microbial Ecology Meeting, Einsiedeln, Switzerland, Jan. 28-30, 2009.

Gómez, K., M.H. Schroth (presenting), W. Eugster, P. Niklaus, P. Oester, and J. Zeyer. Comparison of Methods to Assess the Fate of Methane in a Landfill-Cover Soil. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 15-19, 2008. B33B-0407.

Knecht, K., B. Nowack, M.H. Schroth, and R. Schulin. Micro push-pull tests to investigate rhizosphere processes. European Confederation of Soil Science Societies Congress (EUROSOIL) 2008, Vienna, Austria, Aug. 25-29, 2008. P056.

Müller, D., M.H. Schroth, and J. Zeyer. Improved Separation of Microbial Cells from Turbid Aqueous Samples for Microscopic Enumeration and Identification. 67th Annual Assembly of the Swiss Society for Microbiology, Interlaken, Switzerland, June 12-13, 2008.

Gómez, K.E., G. Gonzalez-Gil, M.H. Schroth (presenting), and Josef Zeyer. In-Situ Quantification of Methanotrophic Activity in a Landfill Cover Soil Using Gas Push-Pull Tests. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 10-14, 2007. B43A-0891.

Dobson, R., M.H. Schroth (presenting), and J. Zeyer. Effect of water-table fluctuations on source depletion and dissolved-plume behavior of a multi-component light nonaqueous-phase liquid. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 11-15, 2006. H11C-1281.

Gonzalez-Gil G., K. Gomez, M.H. Schroth, and J. Zeyer. Assessment of in situ CH₄ oxidation above the unsaturated zone of a petroleum-contaminated aquifer using gas push-pull tests and stable isotopes. International Conference on Environmental Biotechnology, Leipzig, Germany, July 9-13, 2006.

Gomez, K., G. Gonzalez-Gil, K. Urmann, M.H. Schroth, and J. Zeyer. In situ quantification of microbial methane oxidation using the gas push-pull test. 65th annual Assembly of the Swiss Society for Microbiology, Lausanne, Switzerland, March 7-8, 2006.

Gonzalez-Gil, G., M.H. Schroth (presenting), K. Gomez, and J. Zeyer. Physical and biological carbon isotope fractionation in methane during gas push-pull tests. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 5-9, 2005. B11A-1027. 

Urmann, K., E. Norina, M.H. Schroth (presenting), and J. Zeyer. Methanotrophic activity along diffusive methane/oxygen counter-gradients in unsaturated porous media. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 5-9, 2005. B31A-0968.

Kleikemper, J., M.H. Schroth, and J. Zeyer. Activity and diversity of methanogens in a petroleum hydrocarbon-contaminated aquifer. Annual Meeting of the Geological Society of America, Salt Lake City, Utah, Oct. 16-19, 2005. 213-3. INVITED. 

Gonzalez-Gil, G., K. Urmann, K. Gomez, M.H. Schroth, and J. Zeyer. In situ quantification of CH₄ oxidation in soils using gas push-pull tests. 2nd International Conference on Greenhouse Gases and Animal Agriculture. Zurich, Switzerland, Sep. 20-24, 2005.

Urmann K., G. Gonzalez-Gil, M.H. Schroth, and J. Zeyer. Gas push-pull tests to quantify methane oxidation in situ in a peat bog. The Joint International Symposia for Subsurface Microbiology (ISSM 2005) and Environmental Biogeochemistry (ISEB XVII), Jackson Hole, Wyoming, Aug. 14-19, 2005. 

Dobson, R., M.H. Schroth (presenting), M. Oostrom, and J. Zeyer. Estimation of NAPL/Water Interfacial Areas in Well-Characterized Porous Media. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 13-17, 2004. H33A-0451.

Urmann K., G. Gonzalez-Gil, M.H. Schroth (presenting), and J. Zeyer. Assessment of Microbial Methane Oxidation Above a Petroleum-Contaminated Aquifer Using Gas Push-Pull Tests, Stable Carbon Isotope Fractionation and Profile Modeling. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 13-17, 2004. B43B-0150. 

Kleikemper, J., H. Bürgmann, L. Duc, M. Bunge, M.H. Schroth, and J. Zeyer. Diversity and abundance of tetrachloroethene-degrading Dehalococcoides populations in a contaminated aquifer. Dechema Workshop on In-Situ Remediation, Frankfurt, Germany, November 23-24, 2004.

Urmann, K., G. Gonzalez-Gil, M.H. Schroth, and J. Zeyer. New Field Method for the In-Situ Quantification of Microbial Activities in the Vadose Zone. Symposium on Biosphere-Atmosphere Exchange Research, Sarnen, Switzerland, October 6, 2004. 

Zeyer, J., M.H. Schroth, G. Gonzalez-Gil, K. Urmann. Quantification of microbial oxidation of methane in soils. Symposium on Biosphere-Atmosphere Exchange Research, Sarnen, Switzerland, October 6, 2004. INVITED.

Kleikemper, J., S.A. Pombo, M.H. Schroth, and J. Zeyer. Activity and Diversity of Methanogens in a petroleum-hydrocarbon contaminated aquifer. Annual Meeting of the Swiss Society for Microbiology, Basel, Switzerland, March 6-7, 2003. 

Pombo, S.A., J. Kleikemper, M.H. Schroth, and J. Zeyer. Active microbial communities in a hydrocarbon-contaminated aquifer. Annual Meeting of the Swiss Society for Microbiology, Basel, Switzerland, March 6-7, 2003.

Kleikemper, J., M.H. Schroth, and J. Zeyer. Specific Detection and Direct Enumeration of Dehalococcoides sp. in a Chlorinated Solvent-Contaminated Aquifer. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 2003. B41D-0923. 

Pombo, S.A., M.H. Schroth, O. Pelz, and J. Zeyer. Tracing microbial activity in a contaminated aquifer at the field scale using ¹³C-labeling of bacterial fatty acids. 12^thAnnual VM Goldschmidt Conference, Davos, Switzerland, Aug. 18-23, 2002.

Kleikemper, J., M.H. Schroth, S.M. Bernasconi, and J. Zeyer. Sulfur isotope fractionation during growth of sulfate-reducing bacteria on variable carbon sources. International Symposium of Subsurface Microbiology (ISSM), Copenhagen, Denmark, Sept. 8-13, 2002. 

Kleikemper, J., S.A. Pombo, M.H. Schroth, and J. Zeyer. In Situ Quantification of Methanogenesis in a Petroleum-Hydrocarbon Contaminated Aquifer. DECHEMA European Conference on Natural Attenuation, Heidelberg, Germany, Oct. 15-17, 2002.

Kleikemper, J., M.H. Schroth, S.M. Bernasconi, and J. Zeyer. Sulfur isotope fractionation during growth of sulfate-reducing bacteria on variable carbon sources. Reservoir Microbiology Forum 8 - Improved Bacterial Monitoring, University of Reading, U.K., Oct. 18, 2002. INVITED. 

Zeyer, J., and M.H. Schroth (presenting). Quantification of microbial transformation processes in soils and aquifers using stable C- and S-isotopes. Swiss Federal Institute for Environmental Science and Technology (EAWAG), January, 2002. INVITED.

Pombo, S., O. Pelz, M.H. Schroth, and J. Zeyer. In-situ ¹³C-labeling of microbial phospholipid fatty acids in a petroleum-contaminated aquifer. 60^th Annual Assembly of the Swiss Society for Microbiology, Lausanne, Switzerland, March 8-9, 2001. P58.

Schürmann, A., M.H. Schroth, and J. Zeyer. Denitrification activity in a PHC-contaminated aquifer determined by „push-pull” tests in combination with the acetylene inhibition method and the ¹⁵N-technique. 60^th Annual Assembly of the Swiss Society for Microbiology, Lausanne, Switzerland, March 8-9, 2001. P52. 

Kleikemper, J., M.H. Schroth, and J. Zeyer. Microbial sulfate reduction in a petroleum hydrocarbon-contaminated aquifer. Annual Meeting of the Soil Science Society of America, Charlotte, North Carolina, Oct. 21 – 25, 2001. S073618.

Thullner, M., M.H. Schroth, J. Zeyer, and W. Kinzelbach. Numerical simulation of the interaction between biomass growth and water flow in a porous medium with a two-dimensional flow field. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 10-15, 2001. H52E-06. 

Pombo, S.A., M.H. Schroth (presenting), O. Pelz, and J. Zeyer. In-situ 13C-labeling of microbial phospholipid fatty acids: tracing substrate assimilation in a petroleum-contaminated aquifer. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 10-15, 2001. H11D-0253.

Thullner, M., A. Zarda-Hess, M.H. Schroth, J. Zeyer, and W. Kinzelbach. Effects of Bioclogging on Two-Dimensional Flow in Porous Media. Annual Geological Society of America Meeting, Reno, Nevada, November 12-16, 2000. T101. 

Kleikemper, J., M. Schmucki, M.H. Schroth (presenting), and J. Zeyer. Microbial sulfate reduction in a petroleum-contaminated aquifer: quantification, verification, and evaluation of microbial diversity. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 15-19, 2000. B61B-05.

Bolliger, C., M.H. Schroth, S. Bernasconi, P. Höhener, and J. Zeyer. Stable isotopes as proof for microbial hydrocarbon mineralization in a heating oil-contaminated aquifer. The 2^nd International Conference on Applications of Stable Isotope Techniques to Ecological Studies, Oct. 4-6, 1999, Georg-August University, Göttingen, Germany. 

Istok, J.D., J.A. Field, and M.H. Schroth. In situ Determination of Enzyme Kinetic Constants in the Saturated Zone. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 13-17, 1999. H11A-26.

Oostrom, M., T.W. Wietsma, M.H. Schroth, and J.D. Istok. In-Situ Oxidation of Resi-dual Trichloroethene by Permanganate Solutions. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 13-17, 1999. H12A-09. 

Istok, J.D., M.D. Humphrey, M.H. Schroth, J.A. Field, L. Semprini, T.E. Sawyer, and M.G. Cantaloub. In situ chemical oxidation of trichloroethene by permanganate. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 6-11, 1998. H31B-20.

Field, J.A., J.D. Istok, M.D. Humphrey, T.E. Sawyer, and M.H. Schroth. Impact of ion exchange on anionic surfactant-enhanced trichloroethene solubilization. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 6-11, 1998. H31B-05. 

Field, J.A., M.G. Cantaloub, M.D. Humphrey, J.D. Istok, K.M. Radakovich, T.E. Sawyer, M.H. Schroth, and L. Semprini. Quantifying Surfactant-Enhanced DNAPL Recovery Using Push-Pull Tests in Physical Aquifer Models. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H22C-02. 

Humphrey, M.D., J.A. Field, J.D. Istok, M.J. Kelley, K.M. Radakovich, T.E. Sawyer, and M.H. Schroth. Intermediate-Scale Physical Aquifer Models: An Investigative Tool for Contaminant Behavior Processes. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H22C-01.

Istok, J.D., J.A. Field, M.D. Humphrey, K.M. Radakovich, T.E. Sawyer, and M.H. Schroth. Evaluation of Surfactant-Enhanced DNAPL Recovery Using Single-Well "Push-Pull" Tests. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H31G-09. 

Sawyer, T.E., J.A. Field, M.D. Humphrey, J.D. Istok, and M.H. Schroth. Quantifying Surfactant Sorption/Desorption Behavior in Natural Aquifer Sediments Using Push-Pull Tests in Physical Aquifer Models. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H22C-03. 

Selker, J., and M.H. Schroth. Unexpected Issues in Fingered Flow in Homogeneous Media. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 8-12, 1997. H32F-05.

Istok, J.D., M.R. Hyman, M.H. Schroth, G.T. Conner, M.D. Humphrey, J. Samer, P. Odenthal, J. Guida, J. Donaldson, G. Salm, and A. Sears. Single-Well, "Push-Pull" Test for In Situ Determination of Microbial Metabolic Activities. 8th Annual Research Symposium of the U.S.-EPA Western Region Hazardous Substance Research Center (WRHSRC), Stanford University, CA, July 24, 1996.

Istok, J.D., M.H. Schroth, M.R. Hyman, and K.T. O'Reilly. Field-Scale Measurements of In-Situ Microbial Metabolic Activities. Remediation of Solvents in Subsurface Environments Research Symposium, University of Washington, Seattle, WA, September 10-11, 1996. 

Haggerty, R., M.H. Schroth, and J.D. Istok. In-Situ Reaction Rates for Solutes in Groundwater, 1. A Simplified Method for Estimation Using the Push-Pull Test. Fall Meeting of the American Geophysical Union, San Francisco, California, Dec. 15-19, 1996. H11A-14.

White, M.D., M. Oostrom, M.H. Schroth, J.D. Istok and J.S. Selker. Multiphase Fluid Flow in Bedded Porous Media: 2. Numerical Simulations. Fall Meeting of the American Geophysical Union, San Francisco, CA, Dec. 11-15, 1995.