Spiegel, Timo

Timo Spiegel (PhD)

[Translate to English:] Dr. Timo Spiegel

Postdoctoral researcher
Topic 6

RD 2: Marine Biogeochemistry
RU Marine Geosysteme

Office: 8D/214, phone (office): +49 431 600 2058

e-mail: tspiegel(at)geomar.de

Contact

Address: 黑料视频 Helmholtz Centre for Ocean Research Kiel, Wischhofstra脽e 1-3, 24148 Kiel, Germany

Research Focus

Benthic elemental cycles, Age-depth modeling, Spatial upscaling

Projects

Curriculum vitae

Aug. 2024: Postdoctoral researcher within the research project PrimePrevention at University of Hamburg and 黑料视频 Helmholtz-Zentrum f眉r Ozeanforschung Kiel.

Apr. 2021 - Mai. 2024: Doctoral studies in geosciences at 黑料视频 Helmholtz-Zentrum f眉r Ozeanforschung Kiel, registered at Christian-Albrechts-Universit盲t, Kiel. Part of project APOC: 鈥淎nthropogenic impacts on particulate organic carbon cycling in the North Sea".

Okt. 2013 - Jan. 2020: Bachelor & Master of Science in Geosciences at Christian-Albrechts-Universit盲t, Kiel.

Bachelor鈥檚 thesis: Phosphorus concentrations in sediments of the eastern Gotland basin.
Master鈥檚 thesis: Geochemical processes in Amazon shelf sediments 鈥� Implications for cation and phosphorus budgets.

Publications (Highlights)

Spiegel, T., Dale, A.W., Lenz, N., Schmidt, M., Moros, M., Lindhorst, S., Wolschke, H., M眉ller, D., Butzin, M., Fuhr, M., Kalapurakkal, H.T., Kasten, S., Wallmann, K., 2025. Mass accumulation rates decreased in the Skagerrak basin over the last 100 years. Cont. Shelf Res. 286, 105411. https://doi.org/10.1016/j.csr.2025.105411

Spiegel, T., Diesing, M., Dale, A.W., Lenz, N., Schmidt, M., Sommer, S., B枚ttner, C., Fuhr, M., Kalapurakkal, H.T., Schulze, C.-S., Wallmann, K., 2024. Modelling mass accumulation rates and 210Pb rain rates in the Skagerrak: lateral sediment transport dominates the sediment input. Front. Mar. Sci. 10.3389/fmars.2024.1331102

Lenz, N., Spiegel, T., Hathorne, E., Wallmann, K., Eisenhauer, A., Frank, M., 2024. Provenance of clay-sized detrital sediments in the North Sea and the Skagerrak region based on radiogenic Nd-Sr-Hf isotopes and clay mineral compositions: assessing the impact of coastal and seabed erosion. Front. Mar. Sci. 11, 1416519.

Spiegel, T., Dale, A., Lenz, N., Schmidt, M., Sommer, S., Kalapurakkal, H., Przibilla, A., Lindhorst, S., Wallmann, K. (2023). Biogenic silica cycling in the Skagerrak. Frontiers in Marine Science. 10. 10.3389/fmars.2023.1141448.

Spiegel, T., Vosteen, P., Wallmann, K., Paul, S., Gledhill, M., Scholz, F. (2021). Updated estimates of sedimentary potassium sequestration and phosphorus release on the Amazon shelf. Chemical Geology. 560. 120017. 10.1016/j.chemgeo.2020.120017.

Jump to: Articles in a Scientific Journal - peer-reviewed | Presentations | Theses - not published by a publisher | Reports - Cruise Reports

Number of items: 18.

Articles in a Scientific Journal - peer-reviewed

Spiegel, T. , Dale, A. W. , Lenz, N. , Schmidt, M. , Moros, M., Lindhorst, S., Wolschke, H., M眉ller, D., Butzin, M., Fuhr, M., Kalapurakkal, H. T., Kasten, S. and Wallmann, K. (2025)

Continental Shelf Research, 286 . Art.Nr. 105411. DOI .

Kalapurakkal, H. T., Dale, A. W. , Schmidt, M. , Taubner, H., Scholz, F. , Spiegel, T. , Fuhr, M. and Wallmann, K. (2025)

Communications Earth & Environment, 6 . Art.Nr. 156. DOI .

Fuhr, M., Dale, A. W. , Wallmann, K. , B盲hrle, R. J., Kalapurakkal, H. T., Sommer, S., Spiegel, T. , Dobashi, R., Buchholz, B., Schmidt, M. , Perner, M. and Geilert, S. (2025)

Communications Earth & Environment, 8 . Art.Nr. 106 (2025). DOI .

B枚ttner, C., Hoffmann, J. J. L., Unverricht, D., Schmidt, M. , Spiegel, T. , Geersen, J., M眉ller, T. H. , Karstens, J. , Andresen, K. J., Sander, L., Schneider von Deimling, J. and Schmidt, C. (2024)

Geochemistry, Geophysics, Geosystems, 25 (11). e2024GC011837. DOI .

Zhang, W., Porz, L., Yilmaz, R., Wallmann, K. , Spiegel, T. , Neumann, A., Holtappels, M., Kasten, S., Kuhlmann, J., Ziebarth, N., Taylor, B., Ho-Hagemann, H. T. M., Bockelmann, F. D., Daewel, U., Bernhardt, L. and Schrum, C. (2024)

Nature Geoscience, 17 . pp. 1268-1276. DOI .

Lenz, N. , Spiegel, T. , Hathorne, E. , Wallmann, K. , Eisenhauer, A. and Frank, M. (2024)

Frontiers in Marine Science, 11 . Art.Nr. 1416519. DOI .

Spiegel, T. , Diesing, M., Dale, A. W. , Lenz, N. , Schmidt, M. , Sommer, S., B枚ttner, C., Fuhr, M., Kalapurakkal, H. T., Schulze, C. S. and Wallmann, K. (2024)

Frontiers in Marine Science, 11 . Art.Nr. 1331102. DOI .

Fuhr, M., Wallmann, K. , Dale, A. W. , Kalapurakkal, H. T., Schmidt, M. , Sommer, S., Deusner, C. , Spiegel, T. , Kowalski, J. and Geilert, S. (2024)

Frontiers in Climate, 6 . Art.Nr. 1338556. DOI .

von Jackowski, A., Walter, M., Spiegel, T. , Buttigieg, P. L. and Molari, M. (2023)

Frontiers in Marine Science, 10 . Art.Nr. 1216442. DOI .

Spiegel, T. , Dale, A. W. , Lenz, N. , Schmidt, M. , Sommer, S., Kalapurakkal, H. T., Przibilla, A., Lindhorst, S. and Wallmann, K. (2023)

Frontiers in Marine Science, 10 . Art.Nr. 1141448. DOI .

Vosteen, P., Spiegel, T., Gledhill, M. , Frank, M. , Zabel, M. and Scholz, F. (2022)

Geochemistry, Geophysics, Geosystems, 23 (11). e2022GC010543. DOI .

Spiegel, T., Vosteen, P., Wallmann, K. , Paul, S. A. L., Gledhill, M. and Scholz, F. (2021) Chemical Geology, 560 . Art.Nr. 120017. DOI .

Presentations

Fuhr, M., Wallmann, K. J. G. , Schmidt, M. , Sommer, S., Deusner, C. , Kalapurakkal, H. T., Spiegel, T. and Geilert, S. (2024) [Talk] In: Ocean Science Meeting 2024. , 18.-23.02.2024, New Orleans, USA .

Theses - not published by a publisher

Spiegel, T. (2024)

(PhD/ Doctoral thesis), Christian-Albrechts-Universit盲t, Kiel, Germany, IV, 139 pp.

Spiegel, T. (2019) (Master thesis), Christian-Albrechts-Universit盲t, Kiel, 75 pp.

Reports - Cruise Reports

Berndt, C. , Urlaub, M. , Jegen, M. , Faghih, Z., Reeck, K., Franz, G., Barnscheidt, K. C., Wollatz-Vogt, M., Liebsch, J., Schramm, B., Elger, J. , K眉hn, M., M眉ller, T. , Schmidt, M. , Spiegel, T., Timm, H., Hinz, A. K., Sager, T., Hilbert, H. S., Rohde, L., Korbjuhn, T., Reissmann, S. and Diller, N. (2021)

. 黑料视频 Report, N. Ser. 057 . 黑料视频 Helmholtz-Zentrum f眉r Ozeanforschung Kiel, Kiel, Germany, 139 pp. DOI .

Schmidt, C. , B枚ttner, C. , Schmidt, M. , M眉ller, T. H. , W眉nsche, A., Willems, T., Lindner, M., M眉ller, F., Hunkem枚ller, A. and Spiegel, T. (2021) . Maria S. Merian Berichte, MSM99/2 . Gutachterpanel Forschungsschiffe, Bonn, 49 pp. DOI .

Schmidt, M. , Sommer, S., B枚ttner, C. , Dale, A. W. , Lenz, N. and Spiegel, T. (2021)

. Alkor-Berichte, AL561 . 黑料视频 Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, 34 pp. DOI .

This list was generated on Tue Apr 29 10:09:15 2025 CEST.