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Durham University

Research & business

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Mr Tobias Roylands

Research Postgraduate (PhD) in the Department of Geography
Room number: S105

Contact Mr Tobias Roylands (email at tobias.roylands@durham.ac.uk)

I am a PhD student on the ROC-CO2 project (https://roc-co2.weebly.com/). My research focuses on understanding the kinetics of CO2 emissions that derive from the oxidation of organic matter during weathering of sedimentary rocks. Key questions are related to the role of microbes, substrate composition and to the response to changes in temperature. For this, I will directly measure CO2 fluxes in the field (field sites in France and New Zealand) and in laboratory experiments that mimic weathering processes in a controlled environment. To link these two approaches, also carbon isotope signals (stable and radioactive) and biomarkers will be investigated to characterize CO2 sources and the composition of microbial communities and substrates.

Before joining the ROC-CO2 project at the beginning of 2018, I completed my MSc degree in Geosciences at the University of Kiel, Germany. In my master’s thesis, a variety of organic-geochemical techniques was used to assess environmental gradients and their control on microbial community structures and metabolisms in Canadian lakes.

Is supervised by