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Dissolved organic matter (DOM) plays an important role in the biogeochemical cycling of iron and sulfur in aquifers. DOM may interact with iron and sulfur by complexation, colloid formation, oxidation/reduction processes, or further reaction with functional groups.

In this project, we will use fluorescence spectroscopic and electrochemical techniques to analyze the interaction of DOM with iron and sulfur species in aquifers. State of the art methods are available for studying the biogeochemical process patterns, e.g. stable isotope facilities, radioactive tracer techniques, trace gas analysis, anaerobic chamber techniques.

The project is part of the interdisciplinary DFG research unit FOR 580 “eTRAP” (electron transfer processes in anoxic aquifers). This research unit is a cooperation of scientists from the Universities of Bayreuth, Tübingen, the UFZ Leipzig and the Helmholtz Centre Munich. With your employment at the University of Bayreuth in the Department of Hydrology you will join an international team of highly motivated young scientists with a background in geoecology, hydrology, geology, microbiology and environmental chemistry.

As a candidate you should have a strong background in (bio-) geochemistry or chemistry of soils; knowledge in isotope techniques and Matlab computing would be desirable, but is not a must. You are willing to work in a team, and have good communication skills, particularly in English. The PhD position will be funded by the German Research foundation based on the German salary TV-L 13 (50%) (including German federal pension fund, health and unimployment insurance) for three years. Applications are possible until the position is filled