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Bayi Glacier in Qilian Mountain, China (Credit: Xiaoming Wang, distributed via

Job advertisement PhD in Organic Geochemistry and Paleolimnology

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European Geosciences Union

PhD in Organic Geochemistry and Paleolimnology

PhD in Organic Geochemistry and Paleolimnology

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University of Basel


Basel, Switzerland


Relevant divisions
Biogeosciences (BG)
Climate: Past, Present & Future (CL)
Stratigraphy, Sedimentology and Palaeontology (SSP)


Entry level

~ 47000 CHF

Required education

Application deadline
15 July 2022

15 June 2022

Job description

The abundance and distribution of different types of microalgae impact carbon cycling, water quality, and aquatic food webs. One of the best ways to understand and predict how algae will respond to future perturbations to aquatic environments is to analyze the ways they have reacted to the diverse conditions that have existed over geologic time. As a consequence, we must rely on indirect indicators – proxies – of past ecologic and environmental change. This PhD project aims to apply novel proxies based on algal lipid biomarkers and their stable isotopic composition to record changes in algal biodiversity caused by both natural variability and human activities, with a particular focus on the environmental impacts of ancient Roman settlements. Towards this goal, the PhD student will analyse sedimentary records spanning the past ~15000 years from lakes in Switzerland and New York state. The PhD student will participate in field trips to collect sediment cores from lakes in the Swiss Plateau and in central New York. The project involves extensive laboratory work with a focus on biomarker purification and stable isotope analyses. Depending on the interests and background of the student, they will also have the opportunity to analyze ancient algal DNA from sediments.

How to apply

Please submit your complete application documents, including (i) a letter stating your research interests and motivation for applying for the position, your experience and skills, (ii) a CV, (iii) contact details of at least two references (one of these should be the main advisor of your master’s thesis), and (iv) transcripts and diplomas of your bachelor’s and master’s degrees (if available) via our online recruiting platform. Access the recruiting platform here:

We accept only online applications.

For further information please contact Prof. Dr. Nemiah Ladd ( Review of applications will begin 15 July 2022 and will continue until the position is filled.