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Dr. Frauke Schmidt

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Wissenschaftliche Interessen

  • Molekulare Zusammensetzung und Umwandlung von organischem Material in marinen Sedimenten
  • Organischer Kohlenstoff- und Stickstoffkreislauf
  • Lipidbiomarker und deren Isotopensignale in biogeochemischen Prozessen

Aktuelles Projekt

DARCLIFE - WP2: Geochemical environment and modeling.
Wechselwirkungen Geo-Biosphäre GB2

Curriculum vitae

Seit Januar 2011 Postdoc in der AG Organische Geochemie, MARUM
Juli 2009 Promotion zum Dr. rer. nat. an der Universität Bremen. Titel: “Molecular level studies on the distribution and fate of organic matter at continental margins”
Juni 2009 Postdoc am Deutschen Geoforschungszentrum GFZ Potsdam,
Projekt: Bioarchiv Tswaing Krater
März 2006 Doktorand in der AG Organische Geochemie, MARUM;
Mai 2005 Dipl. Geol. univ., Friedrich-Alexander-Universität, Erlangen-Nürnberg
Diplomarbeit: "Einfluss von organischem Material auf das Adsorptionsverhalten von Dibutylzinn (DBT)"
"Geologische Kartierung im ostalpinen Kristallin der Kreuzeckgruppe SE' von Tresdorf im Mölltal, Kärnten, Österreich"

Schiffsausfahrten und Geländearbeiten

  • April 2013: Poseidonausfahrt P450 - Darcseas II. Barcelona - Malaga (Spanien)
  • Juni 2012: Chikyu Expedition 906 - The Kumano Mud-Volcano Drilling II. Sasebo (Japan) - Ugata (Japan).
  • Februar 2011: Meteorausfahrt M84/1 - Darcseas I. La Valetta (Malta) - Istanbul (Türkei).
  • Mai 2007: M72/5 - Biogeochemistry, fluids, gas hydrates and paleo climate of the Black Sea. RV Meteor. Istanbul (Türkei).
  • August 2006: P342 GALIOMAR - Galician Ocean Margins. RV Poseidon. Vigo (Spanien) – Lisbon (Portugal).
  • August 2006: Flußprobennahme in Galicien und Nord Portugal. Vigo (Spanien) – Porto (Portugal).
  • August 2002: Geologische Kartierung des Ostalpins, Tresdorf, (Österreich).

Publikationen

  • O. E. Oni, F. Schmidt, T. Miyatake, S. Kasten, M. Witt, K.-U. Hinrichs,M. W. Friedrich. Microbial communities and organic matter composition in surface and subsurface sediments of the Helgoland mud area, North Sea. Frontiers in Microbiology (accepted) doi: 10.3389/fmicb.2015.01290
  • F. Schmidt, B. P. Koch, M. Witt, K.-U. Hinrichs (2014). Extending the analytical window for water-soluble organic matter in sediments by aqueous Soxhlet extraction. Geochimica et Cosmochimica Acta 141, 83–96.
  • F. Schmidt, H. Oberhänsli, H. Wilkes (2014). Biocoenosis response to hydrological variability in Southern Africa during the last 84 ka BP: A study of lipid biomarkers and compound-specific stable carbon and hydrogen isotopes from the hypersaline Lake Tswaing. Global and Planetary Change 112, 92–104.
  • F. Schmidt, B. Koch, M. Elvert, G. Schmidt, M. Witt, K.-U. Hinrichs (2011). Diagenetic transformation of dissolved organic nitrogen compounds under contrasting sedimentary redox conditions in the Black Sea. Environmental Science & Technology 45, 5223-5229.
  • F. Schmidt, K.-U. Hinrichs, M. Elvert (2010). Sources, transport and partitioning of organic matter at a highly dynamic continental margin. Marine Chemistry 118 (1-2), 37-55.
  • M. A. Lever, V. B. Heuer,Y. Morono,N. Masui, F. Schmidt, M. J. Alperin, F. Inagaki, K.-U. Hinrichs, A. Teske (2010). Acetogenesis in deep subseafloor sediments of the Juan de Fuca Ridge Flank: a synthesis of geochemical, thermodynamic, and gene-based evidence. Geomicrobiology Journal 27 (2), 183-211.
  • F. Schmidt, M. Elvert, B. Koch, M. Witt, K.-U. Hinrichs (2009). Molecular characterization of dissolved organic matter in pore water of continental shelf sediments. Geochimica et Cosmochimica Acta 73(11): 3337-3358.
  • F. Schmidt, B.P. Koch, M. Elvert, K.-U. Hinrichs (2008). Molecular variation in dissolved organic matter in sedimentary pore waters at continental shelf systems. Geophysical Research Abstracts, 10, A-10327.

Vorträge & Poster-Präsentationen

  • F.Schmidt, B.P. Koch, T. Goldhammer, M. Zabel, P.L. Buttigieg, A. Ramette, M. Elvert, M. Witt, C. Lazar, M. Könneke, V.B. Heuer, K.-U. Hinrichs. Impact of biogeochemical zonation and depositional setting on molecular composition of dissolved organic matter in sediment pore waters. Goldschmidt 2014, Sacramento, June 2014. Eingeladener Vortrag.
  • F. Schmidt, M. Witt, J. Fuchser, B.P. Koch, K.-U. Hinrichs. Extraction and molecular characterization of water-soluble organic matter in marine sediments. 62nd ASMS Conference on Mass Spectrometry, Baltimore, June 2014. Poster.
  • F. Schmidt, B.P. Koch, M. Witt, K.-U. Hinrichs. Molecular-level comparison of water-soluble sedimentary organic matter extracted by two methods. Goldschmidt 2013, Florenz, August 2013. Vortrag.
  • F.Schmidt, H. Oberhänsli, H. Wilkes. Hydrological and biogeochemical variations in the hypersaline Lake Tswaing (South Africa) during the last 84 ka BP. 25th International Meeting on Organic Geochemistry. Interlaken, September 2011. Poster.
  • F. Schmidt, H. Oberhänsli, H. Wilkes. Environmental changes in Lake Tswaing during the last 84 ka BP. 7th Inkaba yeAfrica Workshop, Potsdam. November 2010. Vortrag.
  • F. Schmidt. Sources, transport and transformation of organic matter at the NW Iberian margin. Universität Zürich. Oktober 2009. Vortrag.
  • F. Schmidt, B.P. Koch, M. Elvert, M.Witt, K.-U. Hinrichs. Source variability and transformation of dissolved organic matter in sediment pore waters determined by Fourier transform ion cyclotron resonance mass spectrometry. 24rd International Meeting on Organic Geochemistry, Bremen, September 2009. Poster.
  • F. Schmidt, K.-U. Hinrichs, M. Elvert.Transport and Partitioning of Organic Matter at the NW Iberian Margin. GFZ Potsdam. February 2009. Vortrag.
  • F. Schmidt, B. Koch, M. Elvert, M. Witt, K.-U. Hinrichs. Molecular characterization of dissolved organic matter in pore waters from continental shelf sediments. Gordon Research Conference for Organic Geochemistry, New Hampshire (USA). August 2008. Poster.
  • F. Schmidt, B.P. Koch, M. Elvert, M. Witt, K.-U. Hinrichs: Organic matter in modern shelf sediments - source variability and transformation processes. North German Organic Geochemistry Meeting, May 2008, Oldenburg. Vortrag.
  • F. Schmidt, B.P. Koch, M. Elvert, M. Witt, K.-U. Hinrichs. Molecular variation in dissolved organic matter in sedimentary pore waters at continental shelf systems. European Geosciences Union General Assembly 2008, Wien. April 2008. Vortrag.
  • F. Schmidt, T. Hanebuth, K.-U. Hinrichs, M. Elvert. Organic molecular markers as indicators of transport and partitioning of organic matter at the modern Galician shelf system. Jahrestagung der Geologische Vereinigung e.V., Bremen. Oktober 2007. Poster.
  • F. Schmidt, T. Hanebuth, K.-U. Hinrichs, M. Elvert. Biomarker distribution across the Galician Shelf System. 23rd International Meeting on Organic Geochemistry, Torquay (UK). September 2007. Poster.
  • E. Buser, F. Schmidt, M. Hoch. Quantification of the adsorption of dibutyltin (DBT) to clay minerals and organic matter on various environmental conditions. Jahrestagung der Geologische Vereinigung e.V., Erlangen. September 2005. Poster.