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Dr. Wolf Dummann
E-mail: wdummann@uni-koeln.de
Tel.: +49 221 470-7316
Fax.: +49 221 470-1663
Education
08/1999 – 05/2008 |
Wilhelmsgymnasium Kassel |
10/2009 – 10/2012 | B.Sc. Geosciences (University of Bremen) |
Main focus: Organic geochemistry and marine geology |
Title of B.Sc. thesis: „Constraints on the structures of novel intact ether lipids in subsurface sediments off Peru“
10/2012 – 06/2015 | M.Sc. Marine Geoscience (University of Bremen) |
Main focus: Organic geochemistry, paleoclimatology and paleoceanography |
Title of M.Sc. thesis: „Thaw-induced release of carbon from permafrost in Eastern Siberia during the last deglaciation“
07/2016 – 01/2019 | PhD (University of Cologne) |
Main focus: Organic and inorganic geochemistry, radiogenic isotope geochemistry, paleoceanography |
Title of PhD thesis: „Driving mechanisms of organic carbon burial in the Early Cretaceous South Atlantic and Southern Ocean “
Research stays and expeditions
08/2013-09/2013 | Expedition Sibiria/ Lena Delta on board Dalne Zelentzy |
Sampling of water column and surface sediments |
09/2016-10/2016 und 10/2017 | GEOMAR Kiel |
Radiogenic isotope analyses (Nd) | |
11/2018-01/2019 | Expedition Antarktis (Neumayer III Station) |
SubEISObs project: sampling of sediments beneath the Ekström ice shelf |
Publications
Zhu, C., Meador, T. B., Dummann, W. & Hinrichs, K. U. (2014): Identification of unusual butanetriol dialkyl glycerol tetraether and pentanetriol dialkyl glycerol tetraether lipids in marine sediments. Rapid Communications in Mass Spectrometry 28, 332-338
Winterfeld, M., Mollenhauer, G., Dummann, W., Köhler, P., Lembke-Jene, L., Meyer, V. D., Hefter, J., McIntyre, C., Wacker, L. & Kokfelt, U. (2018): Deglacial mobilization of pre-aged terrestrial carbon from degrading permafrost. Nature communications 9, 3666
Research interests
- Geochemistry, sedimentology, and stratigraphy
- Paleoclimatologic and paleoceanographic processes under Greenhouse climate conditions
- Application of organic geochemistry to unravel past environmental conditions
- Interplay between plate tectonics, long-term carbon cycle, and climate variability
Projects
Evolving carbon sinks in the young South Atlantic: Drivers of global climate in the early Cretaceous greenhouse? DFG IODP project (2015-2019)
Understanding Cretaceous High Arctic paleoenvironmental and paleoclimate changes DFG project (2019-today)