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Number of items: 63.

Article in a Scientific Journal - peer-reviewed

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Dale, A. W., Paul, M., Clemens, D., Scholz, F., Schroller-Lomnitz, U., Wallmann, K., Geilert, S., Hensen, C., Plass, A., Liebetrau, V., Grasse, P. and Sommer, S. (2020) Recycling and burial of biogenic silica in an open margin oxygen minimum zone Global Biogeochemical Cycles . e2020GB006583. DOI 10.1029/2020GB006583.

Geilert, S., Grasse, P., Wallmann, K., Liebetrau, V. and Menzies, C. D. (2020) Serpentine alteration as source of high dissolved silicon and elevated δ30Si values to the marine Si cycle Nature Communications, 11 (Art.Nr. 5123). DOI 10.1038/s41467-020-18804-y.

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Bach, L. T., Paul, A. J., Boxhammer, T., von der Esch, E., Graco, M., Schulz, K. G., Achterberg, E. P., Aguayo, P., Arístegui, J., Ayón, P., Baños, I., Bernales, A., Boegeholz, A. S., Chavez, F., Chavez, G., Chen, S. M., Doering, K., Filella, A., Fischer, M., Grasse, P., Haunost, M., Hennke, J., Hernández-Hernández, N., Hopwood, M. J., Igarza, M., Kalter, V., Kittu, L., Kohnert, P., Ledesma, J., Lieberum, C., Lischka, S., Löscher, C., Ludwig, A., Mendoza, U., Meyer, J., Meyer, J., Minutolo, F., Ortiz Cortes, J., Piiparinen, J., Sforna, C., Spilling, K., Sanchez, S., Spisla, C., Sswat, M., Zavala Moreira, M. and Riebesell, U. (2020) Factors controlling plankton community production, export flux, and particulate matter stoichiometry in the coastal upwelling system off Peru Biogeosciences (BG), 17 (19). pp. 4831-4852. DOI 10.5194/bg-17-4831-2020.

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Nasemann, P., Janssen, D. J., Rickli, J., Grasse, P., Frank, M. and Jaccard, S. L. (2020) Chromium reduction and associated stable isotope fractionation restricted to anoxic shelf waters in the Peruvian Oxygen Minimum Zone Geochimica et Cosmochimica Acta, 285 . pp. 207-224. DOI 10.1016/j.gca.2020.06.027.

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Grasse, P., Closset, I., Jones, J. L., Geilert, S. and Brzezinski, M. A. (2020) Controls on Dissolved Silicon Isotopes along the US GEOTRACES Eastern Pacific Zonal Transect (GP16) Global Biogeochemical Cycles, 34 (9). e2020GB006538. DOI 10.1029/2020GB006538.

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Geilert, S., Grasse, P., Doering, K., Wallmann, K., Ehlert, C., Scholz, F., Frank, M., Schmidt, M. and Hensen, C. (2020) Impact of ambient conditions on the Si isotope fractionation in marine pore fluids during early diagenesis Biogeosciences (BG), 17 . pp. 1745-1763. DOI 10.5194/bg-17-1745-2020.

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Zhang, Z., Cao, Z., Grasse, P., Dai, M., Gao, L., Kuhnert, H., Gledhill, M., Chiessi, C. M., Doering, K. and Frank, M. (2020) Dissolved silicon isotope dynamics in large river estuaries Geochimica et Cosmochimica Acta, 273 . pp. 367-382. DOI 10.1016/j.gca.2020.01.028.

Xie, R. C., Rehkämper, M., Grasse, P., van de Flierdt, T., Frank, M. and Xue, Z. (2019) Isotopic evidence for complex biogeochemical cycling of Cd in the eastern tropical South Pacific Earth and Planetary Science Letters, 512 . pp. 134-146. DOI 10.1016/j.epsl.2019.02.001.

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Sutton, J. N., André, L., Cardinal, D., Conley, D. J., de Souza, G. F., Dean, J., Dodd, J., Ehlert, C., Ellwood, M. J., Frings, P. J., Grasse, P., Hendry, K., Leng, M. J., Michalopoulos, P., Panizzo, V. N. and Swann, G. E. A. (2018) A Review of the Stable Isotope Bio-geochemistry of the Global Silicon Cycle and Its Associated Trace Elements Frontiers in Earth Science, 5 (Article number 112). DOI 10.3389/feart.2017.00112.

Grasse, P., Bosse, L., Hathorne, E. C., Böning, P., Pahnke, K. and Frank, M. (2017) Short-term variability of dissolved rare earth elements and neodymium isotopes in the entire water column of the Panama Basin Earth and Planetary Science Letters, 475 . pp. 242-253. DOI 10.1016/j.epsl.2017.07.022.

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Grasse, P., Brzezinski, M., Cardinal, D., de Souza, G. F., Andersson, P., Closset, I., Cao, Z., Dai, M., Ehlert, C., Estrade, N., Francois, R., Frank, M., Jiang, G., Jones, J. L., Kooijman, E., Liu, Q., Lu, D., Pahnke, K., Ponzevera, E., Schmitt, M., Sun, X., Sutton, J., Thil, F., Weis, D., Wetzel, F., Zhang, A., Zhang, J. and Zhang, Z. (2017) GEOTRACES Intercalibration of the Stable Silicon Isotope Composition of Dissolved Silicic Acid in Seawater Journal of Analytical Atomic Spectrometry, 32 (3). pp. 562-578. DOI 10.1039/C6JA00302H.

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Ehlert, C., Doering, K., Wallmann, K., Scholz, F., Sommer, S., Grasse, P., Geilert, S. and Frank, M. (2016) Stable silicon isotope signatures of marine pore waters – Biogenic opal dissolution versus authigenic clay mineral formation Geochimica et Cosmochimica Acta, 191 . pp. 102-117. DOI 10.1016/j.gca.2016.07.022.

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Grasse, P., Ryabenko, E., Ehlert, C., Altabet, M. A. and Frank, M. (2016) Silicon and nitrogen cycling in the upwelling area off Peru: A dual isotope approach Limnology and Oceanography, 61 (5). pp. 1661-1676. DOI 10.1002/lno.10324.

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Doering, K., Ehlert, C., Grasse, P., Crosta, X., Fleury, S., Frank, M. and Schneider, R. (2016) Differences between mono-generic and mixed diatom silicon isotope compositions trace present and past nutrient utilisation off Peru Geochimica et Cosmochimica Acta, 177 . pp. 30-47. DOI 10.1016/j.gca.2015.12.029.

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Ehlert, C., Grasse, P., Gutiérrez, D., Salvatteci, R. and Frank, M. (2015) Nutrient utilisation and weathering inputs in the Peruvian upwelling region since the Little Ice Age Climate of the Past, 11 . pp. 187-202. DOI 10.5194/cp-11-187-2015.

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Grasse, P., Ehlert, C. and Frank, M. (2013) The influence of water mass mixing on the dissolved Si isotope composition in the Eastern Equatorial Pacific Earth and Planetary Science Letters, 380 . pp. 60-71. DOI 10.1016/j.epsl.2013.07.033.

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Franz, J., Krahmann, G., Lavik, G., Grasse, P., Dittmar, T. and Riebesell, U. (2012) Dynamics and stoichiometry of nutrients and phytoplankton in waters influenced by the oxygen minimum zone in the eastern tropical Pacific Deep Sea Research Part I: Oceanographic Research Papers, 62 . pp. 20-31. DOI 10.1016/j.dsr.2011.12.004.

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Ehlert, C., Grasse, P., Mollier-Vogel, E., Böschen, T., Franz, J., de Souza, G. F., Reynolds, B. C., Stramma, L. and Frank, M. (2012) Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling Geochimica et Cosmochimica Acta, 99 . pp. 128-145. DOI 10.1016/j.gca.2012.09.038.

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Hathorne, E. C., Haley, B., Stichel, T., Grasse, P., Zieringer, M. and Frank, M. (2012) Online preconcentration ICP-MS analysis of rare earth elements in seawater Geochemistry, Geophysics, Geosystems, 13 (1). Q01020. DOI 10.1029/2011GC003907.

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Cao, Z., Frank, M., Dai, M., Grasse, P. and Ehlert, C. (2012) Silicon isotope constraints on sources and utilization of silicic acid in the northern South China Sea Geochimica et Cosmochimica Acta, 97 . pp. 88-104. DOI 10.1016/j.gca.2012.08.039.

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Grasse, P., Stichel, T., Stumpf, R., Stramma, L. and Frank, M. (2012) The distribution of neodymium isotopes and concentrations in the Eastern Equatorial Pacific: Water mass advection versus particle exchange Earth and Planetary Science Letters, 353/354 . pp. 198-207. DOI 10.1016/j.epsl.2012.07.044.

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Altabet, M. A., Ryabenko, E., Stramma, L., Wallace, D. W. R., Frank, M., Grasse, P. and Lavik, G. (2012) An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone Biogeosciences (BG), 9 . pp. 4897-4908. DOI 10.5194/bg-9-4897-2012.

Conference presentation


Laukert, G., Grasse, P., Doering, K., Novikhin, A. E., Povazhnyi, V., Frank, M. and Kassens, H. (2019) Biogeochemical silicon cycling in the Laptev Sea [Talk] In: Towards a New Arctic Climate System: Scientific Workshop (CATS / QUARCCS), 03.12.-05.12.2019, St. Petersburg, Russia.


Laukert, G., Grasse, P., Doering, K., Frank, M., Novikhin, A. E., Povazhnyi, V. and Kassens, H. (2019) Constraints on the silicon cycle in the Siberian shelf seas [Talk] In: Gordon Research Conference / Gordon Research Seminar on Polar Marine Science, 16.-22.03.2019, Lucca (Barga), Italy.


Grasse, P. (2019) Coupling between the silicon cycle and the Oxygen Minimum zone off Peru: Insight from stable isotopes [Talk] In: Goldschmidt Conference 2019, 18.-23.08.2019, Barcelona, Spain.

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Geilert, S., Hensen, C., Doering, K., Grasse, P., Ehlert, C., Liebetrau, V., Scholz, F., Schmidt, M. and Frank, M. (2019) Marine Reverse Silicate Weathering Traced by Silicon Isotopes [Talk] In: Goldschmidt Conference 2019, 18.-23.08.2019, Barcelona, Spain.


Grasse, P. (2018) The evolution of silicon isotopes during a mesocosm experiment off Peru [Talk] In: Silicamics Conference 2018, 06.06.-09.06.2018, Victoria, Canada.


Grasse, P., Brzezinski, M. A., Cardinal, D. and de Souza, G. (2017) GEOTRACES inter-calibration of the stable silicon isotope composition of dissolved silicic acid in seawater [Talk] In: IBIS Meeting 2017, 05.04-07.04.2017, Blanes, Spain.


Grasse, P. and Brzezinski, M. (2015) GEOTRACES Intercalibration of the Stable Silicon Isotope Composition of Dissolved Silicic Acid in Seawater [Talk] In: GEOTRACES Workshop, 09.-12.11.2015, Catalina Island, California, USA.


Grasse, P., Frank, M. and Stramma, L. (2015) OMZs: Past, Present, Future [Talk] In: Sustainable Ocean Development Symposium, 28.-30.09.2015, New York City, USA.


Grasse, P., Haynert, K., Brzezinski, M., Doering, K. and Frank, M. (2015) What controls the Silicon Isotopes Signature of Biogenic Silica [Talk] In: IBIS Meeting 2015, 05.-07.04.2015, London, UK.


Grasse, P., Haynert, K., Brzezinski, M., Doering, K. and Frank, M. (2015) What controls the Silicon Isotopes Signature of Biogenic Silica [Invited talk] In: Silicamics Conference: Biogeochemistry and genomics of silicification and silicifiers, 21.-25.9..2015, Brest, France.


Grasse, P. (2014) Influence of climate change (past and future) on the tropical ocean oxygen minimum zones [Invited talk] In: German-Brazilian Lectures on climate change Effects on the Oceans, 09.07.2014, Rio de Janeiro, Brazil.


Grasse, P., Ehlert, C. and Frank, M. (2014) Silicon isotopes in the Eastern Tropical Pacific [Invited talk] In: AGU Fall Meeting 2014, 15.-19.12.2014, San Francisco, USA.


Frank, M., Bosse, L., Grasse, P., Pahnke, K. and Hathorne, E. (2014) Strong Input and Removal of Rare Earth Elements (REEs) Affect Dissolved Nd Isotope Composition of Seawater in the Panama Basin and the Eastern Equatorial Pacific [Talk] In: AGU Fall Meeting 2014, 15.-19.12.2014, San Francisco, USA.


Grasse, P., Ryabenko, E., Altabet, M. A. and Frank, M. (2013) Cycling of silicic acid and nitrate in the Eastern Equatorial Pacific: Insights from stable silicon and nitrogen isotopes [Talk] In: Goldschmidt Conference 2013, 25.-30.08.2013, Florence, Italy.


Ehlert, C., Grasse, P. and Frank, M. (2012) Changes in silicate utilisation and upwelling intensity off Peru - insights from silicon and neodynium isotopes [Talk] In: GV & Sediment Meeting 2012, Of Land and Sea: Processes and Products, 26.09.2012, Hamburg.


Grasse, P., Plass, A., Hathorne, E. and Frank, M. (2012) Dissolved rare earth element concentrations in the upwelling area off Peru [Talk] In: AGU Fall Meeting 2012, 03.12.-07.12.2012, San Francisco, California, USA.


Altabet, M. A., Ryabenko, E., Stramma, L., Wallace, D. W. R., Frank, M., Grasse, P. and Lavik, G. (2012) Eddy hotspots for fixed nitrogen-loss from the Peru Oxygen Minimum Zone [Talk] In: 2012 Ocean Sciences Meeting, OSM, 20.02.-24.02.2012, Salt Lake City, Utah, USA.


Grasse, P. (2012) Silicon and neodynium isotope constraints on biogeochemical cycles and water mass mixing in the eastern Equatorial Pacific [Invited talk] In: Imperial College, 10.05.2012, London, Great Britain.


Grasse, P., Ehlert, C., Franz, J., Böschen, T., Mollier-Vogel, E., Stramma, L. and Frank, M. (2012) Silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling [Talk] In: IBIS Hamburg 2012, Isotopes in Biogenic Silica (IBiS) 2012 Meeting, 28.05.-30.05.2012, Hamburg.


Ehlert, C., Grasse, P. and Frank, M. (2011) Changes in silicate utilization and upwelling intensity off Peru since the LGM - insights from silicon and neodymium isotopes [Talk] In: Goldschmidt Conference 2011, 14.-19.08.2011, Prague, Czech Republic.


Ehlert, C., Grasse, P. and Frank, M. (2011) Changes in silicate utilization and upwelling intensity off Peru since the LGM - insights from silicon isotopes [Talk] In: EGU General Assembly 2011, 03.-08.04.2011, Vienna, Austria.


Frank, M., Grasse, P., Stichel, T. and Stramma, L. (2011) Distribution of neodymium isotopes in Eastern Equatorial Pacific seawater [Talk] In: Goldschmidt Conference 2011, 14.-19.08.2011, Prague, Czech Republic.

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Grasse, P., Ehlert, C., Ryabenko, E. and Frank, M. (2011) Silicon isotopes as a tracer for silicate utilization in the Peruvian upwelling [Talk] In: EGU General Assembly 2011, 03.04.-08.04.2011, Vienna, Austria.


Grasse, P., Ehlert, C., Stramma, L., Ryabenko, E., Franz, J. and Frank, M. (2011) Silicon isotopes as a tracer for silicate utilization in the Peruvian upwelling [Talk] In: Goldschmidt Conference 2011, 14.-19.08.2011, Prague, Czech Republic.

Conference poster


Laukert, G., Grasse, P., Doering, K., Frank, M., Novikhin, A. E., Povazhnyi, V. and Kassens, H. (2019) Constraints on the silicon cycle in the Siberian shelf seas [Poster] In: Gordon Research Conference/Gordon Research Seminar on Polar Marine Science, 16.-22.03.2019, Lucca (Barga), Italy.


Grasse, P., Haynert, K., Brzezinski, M. and Frank, M. (2014) Factors controlling the silicon isotope composition of dissolved silicate and biogenic silica in the Peruvian Upwelling [Poster] In: Ocean Sciences Meeting 2014, 23.-28.02.2014, Honululu, Hawaii, USA.


Grasse, P., Haynert, K., Brzezinski, M. and Frank, M. (2014) Factors controlling the silicon isotope composition of dissolved silicate and biogenic silica in the Peruvian Upwelling [Poster] In: AGU Fall Meeting 2014, 15.-19.12.2014, San Francisco, USA.


Grasse, P., Ehlert, C. and Frank, M. (2013) Influences on silicon isotope signatures in the Eastern Equatorial Pacific: Water mass mixing vs. dissolution processes [Poster] In: IBIS Meeting, 03.06.-06.06.2013, Helsinki, Finland.


Grasse, P., Ryabenko, E., Ehlert, C. and Frank, M. (2012) Comparison between silicon and nitrogen isotopes in the upwelling area off Peru [Poster] In: 2012 Ocean Sciences Meeting, OSM, 20.02.-24.02.2012, Salt Lake City, Utah, USA.


Cao, Z., Frank, M., Dai, M., Grasse, P. and Ehlert, C. (2012) Silicon isotope constraints on sources and utilization of silicate in the northern South China Sea [Poster] In: 2012 Ocean Sciences Meeting, OSM, 20.02.-24.02.2012, Salt Lake City, Utah, USA.


Frank, M., Grasse, P., Ehlert, C., Stichel, T. and Stramma, L. (2011) Distribution of neodymium and silicon isotopes in Eastern Equatorial Pacific seawater [Poster] In: 3rd GEOTRACES Date Model Synergy Workshop, 14.-17.11.2011, Barcelona, Spain.


Franz, J., Krahmann, G., Lavik, G., Grasse, P. and Riebesell, U. (2011) Distribution of phytoplankton in the tropical Eastern South Pacific in relation to hydrographic and nutrient conditions [Poster] In: EGU General Assembly 2011, 03.-08.04.2011, Vienna, Austria.


Altabet, M., Ryabenko, E., Stramma, L., Wallace, D. W. R., Frank, M., Grasse, P. and Lavik, G. (2011) Eddy hotspots for fixed nitrogen-loss from the Peru oxygen minimum zone [Poster] In: Ocean Deoxygenation Meeting - Ocean deoxygenation and implications for marine biogeochemical cycles and ecosystems conference, 24.-26.10.2011, Toulouse, France.


Hathorne, E. C., Stichel, T., Grasse, P. and Frank, M. (2011) Online preconcentration ICP-MS analysis of rare earth elements in seawater [Poster] In: Goldschmidt Conference 2011, 14.-19.08.2011, Prague, Czech Republic.


Xue, Z., Rehkämper, M., Van de Fliert, T., Grasse, P. and Frank, M. (2010) Cadmium Isotopes constraints on nutrient cycling in the Peruvian Oxygen Minimum Zone [Poster] In: Goldschmidt Conference 2010, 13.-18.06.2010, Knoxville, TN, USA.


Grasse, P., Stramma, L. and Frank, M. (2010) Dissolved Neodymium Isotopes in Seawater off the Peruvian Coast [Poster] In: AGU Ocean Sciences Meeting, 20.-26.02.2010, Portland, Oregon, USA.


Ehlert, C., Grasse, P., Frank, M. and Stramma, L. (2010) Silicon isotope distribution in the Peruvian upwelling area [Poster] In: 10th International Conference on Paleoceanography (ICP), 29.08.-03.09.2010, San Diego, CA, USA.


Grasse, P., Ehlert, C., Frank, M., Stichel, T. and Stramma, L. (2010) Tracing water masses in the eastern equatorial Pacific with Nd isotopes: Evidence for strong inputs from the Peruvian coast [Poster] In: 10th International Conference on Paleoceanography, 29.08.-03.09.2010, San Diego, CA, USA.

Thesis - not published by a publisher

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Grasse, P. (2012) Silicon and Neodymium Isotope Constraints on Biogeochemical Cycles and Water Mass Mixing in the Eastern Equatorial Pacific (Doctoral thesis/PhD), Christian-Albrechts-Universität , Kiel, Germany, XX, 144 pp

This list was generated on Mon Jan 18 12:05:49 2021 CET.