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Number of items: 16.

Article in a Scientific Journal - peer-reviewed

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Olgun, N., Duggen, S., Langmann, B., Hort, M., Waythomas, C. F., Hoffmann, L. J. and Croot, P. (2013) Geochemical evidence of oceanic iron fertilization by the Kasatochi volcanic eruption in 2008 and the potential impacts on Pacific sockeye salmon Marine Ecology Progress Series, 488 . pp. 81-88. DOI 10.3354/meps10403.

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Olgun, N., Duggen, S., Andronico, D., Kutterolf, S., Croot, P., Giammanco, S., Censi, P. and Randazzo, L. (2013) Possible impacts of volcanic ash emissions of Mount Etna on the primary productivity in the oligotrophic Mediterranean Sea: Results from nutrient-release experiments in seawater Marine Chemistry, 152 . pp. 32-42. DOI 10.1016/j.marchem.2013.04.004.

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Hoffmann, L. J., Breitbarth, E., Ardelan, M. V., Duggen, S., Olgun, N., Hassellöv, M. and Wängberg, S. A. (2012) Influence of trace metal release from volcanic ash on growth of Thalassiosira pseudonana and Emiliania huxleyi Marine Chemistry, 132-133 . pp. 28-33. DOI 10.1016/j.marchem.2012.02.003.

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Botz, R., Schmidt, M., Kus, J., Ostertag-Henning, C., Ehrhardt, A., Olgun, N., Garbe-Schönberg, D. and Scholten, J. (2011) Carbonate recrystallisation and organic matter maturation in heat-affected sediments from the Shaban Deep, Red Sea Chemical Geology, 280 (1-2). pp. 126-143. DOI 10.1016/j.chemgeo.2010.11.003.

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Olgun, N., Duggen, S., Croot, P. L., Delmelle, P., Dietze, H., Schacht, U., Oskarsson, N., Siebe, C., Auer, A. and Garbe-Schönberg, D. (2011) Surface ocean iron fertilization: the role of subduction zone and hotspot volcanic ash and fluxes into the Pacific Ocean Global Biogeochemical Cycles, 25 . GB4001. DOI 10.1029/2009GB003761.

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Duggen, S., Olgun, N., Croot, P., Hoffmann, L. J., Dietze, H., Delmelle, P. and Teschner, C. (2010) The role of airborne volcanic ash for the surface ocean biogeochemical iron-cycle: a review Biogeosciences (BG), 7 (3). pp. 827-844. DOI 10.5194/bg-7-827-2010.

Article in a Scientific Journal - without review

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Duggen, S., Croot, P., Dietze, H., Hoffmann, L., Olgun, N. and Schacht, U. (2008) Fertilising the surface ocean – the role of volcanoes IFM-GEOMAR [Annual] Report, 2007 . pp. 25-27.

Book chapter

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Garcon, V. C., Bell, T. G., Wallace, D. W. R., Arnold, S. R., Baker, A., Bakker, D. C. E., Bange, H. W., Bates, N. R., Bopp, L., Boutin, J., Boyd, P. W., Bracher, A., Burrows, J. P., Carpenter, L. J., Leeuw, G., Fennel, K., Font, J., Friedrich, T., Garbe, C. S., Gruber, N., Jaeglé, L., Lana, A., Lee, J. D., Liss, P. S., Miller, L. A., Olgun, N., Olsen, A., Pfeil, B., Quack, B., Read, K. A., Reul, N., Rödenbeck, C., Rohekar, S. S., Saiz-Lopez, A., Saltzman, E. S., Schneising, O., Schuster, U., Seferian, R., Steinhoff, T., Traon, P. Y. L. and Ziska, F. (2014) Perspectives and Integration in SOLAS Science Ocean-Atmosphere Interactions of Gases and Particles. Springer, Berlin [u.a.], pp. 247-306. ISBN 978-3-642-25642-4 DOI 10.1007/978-3-642-25643-1_5.

Conference presentation


Duggen, S., Olgun, N., Croot, P., Hoffmann, L., Schacht, U. and Dietze, H. (2008) The role of volcanic ash for surface ocean iron fertilisation [Talk] In: EUR-OCEANS Workshop "Iron Biogeochemistry Across Marine Systems At Changing Times", 14.05.-16.05, Gothenburg.


Duggen, S., Olgun, N., Croot, P., Dietze, H., Schacht, U., Oskarsson, N., Siebe, C. and Auer, A. (2008) The significance on volcanic ash for the surface ocean iron budget and phytoplankton growth [Talk] In: International Association of Volcanology and Chemistry of the Earths Interior (IAVCEI) Meeting, 17.08.-22.08, Reykjavik, Iceland.

Conference poster

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Teschner, C., Olgun, N., Duggen, S., Croot, P. and Dietze, H. (2009) Pumice from volcanoes: its possible role für the iron and silica budget of the surface ocean and diatom growth [Poster] In: EGU General Assembly, 19.04.-24.04, Vienna, Austria.

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Olgun, N., Duggen, S., Croot, P. and Dietze, H. (2009) Surface ocean iron fertilization: the role of airborne volcanic ash and iron-flux into the Pacific Ocean [Poster] In: EGU General Assembly, 19.04.-24.04, Vienna, Austria.


Olgun, N., Duggen, S., Croot, P. and Hoffmann, L. (2008) Airborne volcanic ash trace metal release to the surface ocean and possible effects on marine primary production [Poster] In: EGU General Assembly, 13,04.-18.04, Vienna, Austria.


Olgun, N., Duggen, S., Croot, P. and Hoffmann, L. (2008) Fertilizing and/or toxic effects of volcanic ash on marine primary production by trace metal release to the surface ocean [Poster] In: International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI) Meeting, 17.08.-22.08, Reykjavik, Iceland.


Olgun, N., Duggen, S., Croot, P., Dietze, H., Schacht, U., Óskarsson, N., Siebe, C. and Auer, A. (2007) Volcanic ash as an iron-fertilizer in ocean surface water [Poster] In: AGU Fall Meeting 2007, 10.-14.12, San Francisco, USA.

Thesis - not published by a publisher


Olgun, N. (2011) Impacts of airborne volcanic ash on the surface ocean biogeochemistry and marine ecosystems (Doctoral thesis/PhD), Christian-Albrechts-Universität, Kiel, 178 pp

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