The Aquatic and Isotope Biogeochemistry Group in the Department of Environmental Sciences at the University of Basel invites applications for a two-year postdoctoral position within a research project funded by the Swiss National Science Foundation (SNSF). The project investigates how algal production and organic matter export regulate microbial nitrogen cycling and nitrous oxide (N₂O) production in lakes, and how these processes may respond to climate change. The research combines seasonal field observations, stable isotope tracer experiments, satellite remote sensing, and biogeochemical modelling to connect processes within the water column to patterns observable at the lake surface. Fieldwork will focus on Lake Baldegg, Switzerland, and will be conducted in close collaboration with Eawag (Swiss Federal Institute of Aquatic Science and Technology).
Tasks
- Lead and coordinate a seasonal lake sampling campaign, including water-column sampling and environmental profiling, as well as deploying and recovering sediment traps to quantify organic matter export
- Design and perform stable isotope tracer incubations to quantify nitrification, associated N₂O production, and related nitrogen transformation processes
- Conduct and interpret laboratory analyses of nutrients, dissolved gases, and organic matter, working with established analytical facilities and technical staff
- Integrate field and experimental measurements with satellite observations to investigate links between surface productivity, organic matter export, and N₂O production
- Collaborate on data synthesis and biogeochemical modelling
Requirements
- A PhD in biogeochemistry, environmental sciences, limnology, aquatic microbial ecology, or a related field, completed by the starting date
- Experience in aquatic fieldwork and laboratory research, ideally involving nutrient cycling, microbial process measurements, or greenhouse gases
- Experience with satellite remote sensing and environmental data analysis is an asset, particularly applications to inland waters or aquatic productivity
- The ability to organize and conduct regular field campaigns, work independently, and collaborate effectively with scientific and technical colleagues
- A valid driver's license is desirable, as travel to the field site requires a car
- A boating license and experience operating small boats for lake sampling are an asset
- Strong English communication and scientific writing skills; German language skills are valued but not required
- Applicants with complementary strengths across these areas are welcome
- Candidates should bring a strong foundation in aquatic biogeochemistry and a clear interest in connecting field and laboratory measurements with remote sensing
- Applicants are not expected to have expertise in all the areas listed above
Benefits
The University of Basel is an equal-opportunity and family-friendly employer committed to excellence through diversity. Applications from women and members of underrepresented groups in academic institutions are especially encouraged.
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Das Team
The research will be conducted within the Aquatic and Isotope Biogeochemistry Group at the University of Basel, in close collaboration with Eawag (Swiss Federal Institute of Aquatic Science and Technology).