July 2023

Presentation at the Goldschmidt 2023 conference, presentation type and title tba.

Conferences Activities (selection)


Erdem Z., Doering K., Schneider R., Sinninghe Damsté J. S. and S. Schouten: ‘Upwelling history from northern Peruvian margin over the last 25 thousand years: A multi-proxy approach’ contribution: Poster. AGU fall meeting, 2020.

Glock, N., Sarnthein, M., Doering, K., Mollenhauer, G., and Salvatteci, R.: Deglacial 14C reservoir ages of surface waters at the northern boundary of Peruvian coastal upwelling, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-4727,, 2020.

Kienast, M., Davin, S., Doering, K., Hebbeln, D., Kienast, S., Lehmann, N., Schneider, R., Sherwood, O., and Weiser, J.: Isotopic evidence for changes in the origin and cycling of nitrogen in the Labrador Sea during the last 8,000 years, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-12134,, 2020.


Kienast M., Davin S., Doering K., D. Hebbeln, S. S. Kienast, M. F. Lehmann, N. Lehmann, R.R. Schneider, O. Sherwood, J. Weiser: ‘Gauging Arctic and Northwest Atlantic nitrogen cycling from Labrador Sea nitrogen isotopes’ Contribution: Poster.13th International Conference on Paleoceanography (ICP13), Sydney, Australia, 2019.

Doering K, Kienast M, Kienast S S, Frank M, Schneider R: ‘Linking changes in siliceous primary productivity in the Labrador Sea to ocean-atmosphere climate dynamics during the Holocene’ Contribution: Poster13th International Conference on Paleoceanography (ICP13), Sydney, Australia, 2019.

Doering K., Grasse P. and M. Frank: ‘Silicon isotope signatures of radiolarian and their potential to track changes in past seawater nutrient concentrations’ Contribution: Poster, Goldschmidt Conference, Barcelona, Spain, 2019.

Laukert G., Grasse P., Doering K., Novikhin A., Povazhny V., Frank M.and H. Kassens: ‘Spatial and temporal variability in supply, transport and utilization of silicate in the Laptev Sea based on dissolved stable silicon isotopes’ Arctic Science Summit Week (ASSW), Arkhangelsk, Russia 2019.


Doering K., Grasse P. and M. Frank: ‘Silicon isotope signatures of different radiolarian species off Peru: the potential to track changes in the signatures of past water masses’ Isotopes in Biogenic Silica (IBiS) Meeting 2017 in Blanes, Spain, 2017.


Doering K., Robinson R. S., Martinez P., Ehlert C., Frank M. and R. Schneider, ‘Disentangling the deglacial biogeochemical nutrient cycle off Peru based on bulk sediment, diatom-bound δ15N and δ30Si records’ Contribution: Poster12th International Conference on Paleoceanography (ICP12), Utrecht, Netherlands, 2016.


Doering K., Ehlert C., Grasse P., Crosta X., Fleury S., Frank M. and R. Schneider: ‘Combining Silicon Isotope Signatures and diatom assemblages to trace variations in the silicate utilization and upwelling intensity off Peru’ Contribution: oral presentation Isotopes in Biogenic Silica (IBiS) Meeting, University College London, UK, 2015.


Doering K., Ehlert C., Crosta X., Frank M. and R. Schneider: ‘Comparison of stable silicon isotope compositions of biogenic opal and diatom assemblages: A deglacial to Holocene records o the Peruvian upwelling’ Contribution: Poster, Ocean Sciences Meeting, Honolulu, HI, 2014.


Doering K., Ehlert C., Mollier-Vogel E., Crosta X., Robinson R.S., Frank M. and R. Schneider: ‘Stable silicon and nitrogen isotope compositions – Deglacial to Holocene changes of the nutrient cycling off Peru’ Contribution: Poster11th International Conference on Paleoceanography (ICP11), Sitges, Spain, 2013.

Invited Talks


A new tool to decipher the past silica cycle? The Si isotope signatures of radiolarians: taxa-specific isotope difference and their potential for studying past biogeochemistry . Keynote presentation at the GeoMinKöln 2022, Cologne, Germany.


Seminar presentation ‘The Marine Silicon Cycle: Can we reconstruct past silica concentrations’ and its utilisation’, within an Online-Seminar series in Geochemistry of the Research Group for Marine Geochemistry at the University of Oldenburg, Oldenburg, Germany.


Seminar presentation ‘Biogeochemical proxies off Peru: past changes in upwelling, productivity and nutrient cycling’ within the Department of Geology at Lund University. Lund, Sweden.