I am interested in the research fields of Aquatic Biogeochemistry, Stable Isotope Biogeochemistry, organic geochemistry, microbial ecology and (paleo-)limnology.

• Since 2017: Full Professor, Department for Environmental Science, University of Basel
• 2018: Cox Visiting Professor, Department of Earth Systems Science, Stanford University
• 2014-2017: Dean of Research at the Faculty of Science at the University of Basel
• 2010-2016: Associate Professor, Department for Environmental Science, University of Basel
• 2007-2010: Assistant Professor (tenure-track), Department for Environmental Science, University of Basel
• 2004-2007: Assistant Professor (tenure-track), Department of Earth and Atmospheric Science, Université de Québec à Montréal, Center for Research in Geochemistry and Geodynamics (GEOTOP-UQAMMcGill), Montréal, Canada.
• 2003 - 2004: Postdoctoral Research Associate, Department of Geosciences, Princeton University, Princeton, USA.
• 2002: Ph.D. in Environmental Geochemistry/Stable Isotope Geochemistry, Department of Earth Sciences, Swiss Federal Institute of Technology (ETH) Zürich, Switzerland.

Chang. Y., K. Cheng, Y. Kuang, Q. Hu, Y. Gao, R.-J. Huang, C. Huang, W. Walters and M.F. Lehmann (2022). Isotopic Variability of Ammonia (δ¹⁵N-NH₃) Slipped from Heavy-Duty Vehicles under Real-World Conditions. In press Environmental Science & Technology Letters

Visser, A.-N., S.D. Wankel, C. Frey, A. Kappler and M. F. Lehmann (2022). Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a nonenzymatic link between denitrification and Fe(II) oxidation. In press Frontiers in Microbiology - Microbiological Chemistry and Geomicrobiology

Bussmann, K., P. E. Hirsch, M. F. Lehmann, P. Burkhardt-Holm (2022). Differential habitat use of a notorious invasive fish, the round goby, in a translocation-relevant system. Ecology and Evolution, 2022;12:e9202; https://doi.org/10.1002/ece3.9202

Hausherr, D.,  R. Niederdorfer, H.Bürgmann, M.F. Lehmann, P. Magyar, J. Mohn, E. Morgenroth, A. Joss (2022). Successful year-round mainstream partial nitritation anammox: assessment of effluent quality, performance and N₂O emissions. Water Research X, Vol. 16, https://doi.org/10.1016/j.wroa.2022.100145

 Rushworth, D.D., I. Christl, N. Kumar, K. Hoffman, R. Kretzschmar, M. F. Lehmann, W. D. C. Schenkeveld, S. M. Kraemer (2022). Copper mobilisation from Cu sulfide minerals by methanobactin: Effect of pH, oxygen and natural organic matter. Geobiology 2022;20:690–706;  https://doi.org/10.1111/gbi.12505   

Tischer, J. , J. Zopfi, C. Frey, P. M. Magyar, A. Brand, K. Oswald, C. Jegge, C.H. Frame, M. R. Miracle, X. Sòria-Perpinyà, E. Vicente and M.F. Lehmann (2022). Isotopic signatures of biotic and abiotic N₂O production and consumption in the water column of meromictic, ferruginous Lake La Cruz (Spain). Limnology and Oceanography; Vol. 67, 1760-1775; https://doi.org/10.1002/lno.12165

Su, G., J. Zopfi, H. Niemann, M. F. Lehmann (2022). Multiple groups of methanotrophic bacteria mediate methane oxidation in anoxic lake sediments. Frontiers in Microbiology – Aquatic Microbiology; https://doi.org/10.3389/fmicb.2022.864630   

Gruber,W., P. Magyar, I. Mitrovic, K. Zeyer, M. Vogel, L. von Känel, L. B., R. A. Werner, E. Morgenroth, M. F. Lehmann, D. Braun, A. Joss, J. Mohn (2022). Tracing N₂O formation in full-scale wastewater treatment with natural abundance isotopes indicates control by organic substrate and process settings. Water Research X, Vol. 15;  https://doi.org/10.1016/j.wroa.2022.100130

Hausherr, D.,  R. Niederdorfer, H.Bürgmann, M.F. Lehmann, P. Magyar, J. Mohn, E. Morgenroth, A. Joss (2022). Successful mainstream nitritation through NOB inactivation. Environmental Science and Technology, Vol. 822; doi.org/10.1016/j.scitotenv.2022.153546

Sinninghe Damste, J.S., Y. Weber, J. Zopfi, M.F Lehmann, H. Niemann (2022). Distributions and sources of isoprenoidal GDGTs in Lake Lugano and other central European (peri)alpine lakes: Lessons for their use as paleotemperature proxies. Quaternary Science Reviews 277; doi.org/10.1016/j.quascirev.2021.107352