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Svenja Riedesel

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Interdisciplinary PhD position (65%) – The Rhine Floodplain: a Biogeochemically Coupled System under Stress University of Cologne in Germany

Degree Level

PhD

Field of study

Geology

Funding

65% part-time PhD position, paid at remuneration group 13 TV-L (German public sector pay scale), fixed term until 31 January 2030.

Deadline

Dec 10, 2026

Country flag

Country

Germany

University

University of Cologne

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Keywords

Geology
Chemistry
Environmental Science
Biology
Geography
Geomorphology
Hydrology
Sedimentology
Earth Science
Geochemistry
Biogeochemistry
Luminescence Dating
Greenhouse Gas
Microplastic

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About this position

The University of Cologne’s Institute of Geography is offering an interdisciplinary PhD project on the Rhine floodplain as a biogeochemically coupled system under stress. The project examines how altered hydrology shapes floodplain sediment dynamics and the wider ecosystem response, linking physical and geochemical processes with biodiversity, food webs, microbial activity, and greenhouse gas emissions.

The doctoral researcher will contribute to a collaborative project with other PhD students and a postdoc, working across field and laboratory settings. The advertised research tasks include characterising floodplain sediments with sedimentological and geochemical techniques, determining deposition ages and sedimentation rates using luminescence dating and fallout radionuclides, quantifying microplastics and heavy metals in sediments, and assessing bioturbation through luminescence-based methods, earthworm surveys, and laboratory experiments.

The position is embedded in an interdisciplinary environment at the University of Cologne, with joint field campaigns and work at the Ecological Research Station Rees. The project offers the chance to engage with floodplain research at the interface of geography, earth system processes, and environmental change, within one of Europe’s largest and oldest universities.

Funding details

65% part-time PhD position, paid at remuneration group 13 TV-L (German public sector pay scale), fixed term until 31 January 2030.

What's required

Applicants should hold an MSc in geography, geosciences, soil science, biology or a related field. The role requires experience in laboratory work and analysis of complex datasets, willingness and ability to undertake fieldwork including extended stays at the Ecological Research Station Rees, and preferably experience in sedimentological or geochemical analysis, luminescence dating, or microplastic analysis. Excellent English communication skills at C1 level are required, and German proficiency is desirable.

How to apply

Apply online via the University of Cologne job portal and upload proof of the required qualifications without a photo. Use reference number Wiss2611-06. For questions, contact Junior Professor Dr Svenja Riedesel by email.

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Professors

Junior Professor at University of Cologne

University Name
Country flag

Germany

Research Interests

Petrology

Geophysics

Environmental Science

Geography

Earth Science