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Chemical signatures of supraglacial microbial communities inhabiting the Greenland Ice Sheet

PhD defence, Friday, 9 September 2022. Eva Lisa Doting.

Eva Lisa Doting

During her PhD Studies, Eva Lisa Doting studied organic matter on the surface of the Greenland Ice Sheet. Microbial communities that live on the ice sheet surface play an important role in the production of organic matter that is exported from the ice sheet. During her PhD, Eva Lisa Doting demonstrated that the ice sheet is not only a source of dissolved organic matter, but also of volatile organic compounds, and that ice sheet microorganisms likely use both volatile and dissolved organic matter as a way to interact with one another. Finally, her work also showed that the composition of dissolved organic matter of ice surfaces colonized by algae is significantly different from that of exported ice sheet meltwater.

This work contributes to our understanding of sources, sinks and transformations of organic matter on the Greenland Ice Sheet, and highlights the importance of studying microbial organic matter production on the ice sheet surface.


The PhD study was completed at Department of Environmental Science, Faculty of Technical Sciences, Aarhus University.


This summary was prepared by the PhD student.

Time: Friday, 9 September 2022 at 14.30
Place: GEUS auditorium, Øster Voldgade 10, Copenhagen
Title of PhD thesis: Chemical signatures of supraglacial microbial communities inhabiting the Greenland Ice Sheet
Contact information: Eva Lisa Doting, e-mail: evdo@envs.au.dk, tel.: +45 52 74 73 03
 

Members of the assessment committee:
Prof. Myrna J. Simpson, Department of Physical & Environmental Sciences, University of Toronto, Canada
Prof. Mark L. Skidmore, Department of Earth Sciences, Montana State University, United States
Prof. Kai Bester (chair), Department of Environmental Science, Aarhus University, Denmark
Main supervisor:
Prof. Alexandre M. Anesio, Department of Environmental Science, Aarhus University, Denmark
Co-supervisor:
Assoc. Prof. Martin Hansen, Department of Environmental Science, Aarhus University, Denmark
Senior researcher Sofia Ribeiro, Department of Glaciology and Climate, Geological Survey of Denmark and Greenland, Denmark
Prof. Marit-Solveig Seidenkrantz, Department of Geoscience, Aarhus University, Denmark
 

Language: The PhD dissertation will be defended in English

The defence is public.
The PhD thesis is available for reading at the Graduate School of Technical Sciences/GSTS, Jens Baggesens Vej 53, building 5221, second floor, 8200 Aarhus N.

17427 / i43