AG Petrologie der Ozeankruste

Raum ____

Fachbereich Geowissenschaften
Universität Bremen
Klagenfurter Straße 2-4
28359 Bremen

Tel.: +49 421 200 3257
Fax: +49 421 200 3229
Email: ckleint@marum.de

ORCID: 0000-0001-8594-3304
Link zu Google Scholar

Charlotte Kleint


Wissenschaftliche Interessen


  • Geochemische Fluid-Zusammensetzung von flachen und tiefen Hydrothermalsystemen
  • Stabilisierung und Transport von hydrothermalen Metallen in der Wassersäule (z.B. Eisen, Mangan, Zink)
  • Elementkreisläufe im Ozean (Spurenmetalle)
  • Organische und anorganische Komplexierung von Spurenmetallen
  • Analytik für die Spurenmetall-Bestimmung im Meerwasser (ICP-OES, ICP-MS, Voltammetrie)
  • Wissenschaftskoordination (Forschungsfahrten, Anträge, Workshops etc.)



Wissenschaftlicher Werdegang

  • 04/2021 - heute: wissenschaftliche Mitarbeiterin am MARUM, Universität Bremen.
  • 09/2016 - 03/2021: wissenschaftliche Mitarbeiterin an der Jacobs University Bremen und am MARUM, Universität Bremen
  • 01/2013 - 08/2016: Promotionsstudentin an der Jacobs University Bremen
    • 2016: Doktorarbeit: "The spe­cia­ti­on and or­ga­nic com­plexa­ti­on of iron (Fe) and cop­per (Cu) in dif­fe­rent ma­ri­ne hydro­ther­mal vent sys­tems”
  • 12/2011 - 12/2012: Werksstudent, Jacobs University Bremen
  • 09/2009 - 11/2011: M.Sc. Geowissenschaften an der Universität Bremen
    • 2011: Masterarbeit: "Pha­se as­so­cia­ti­ons of some rare va­luable me­tals (Pt, Zr, Hf, Nb, Ta, Mo, W, Th and REY) in fer­ro­man­ga­ne­se no­du­les and crusts and po­ten­ti­al me­thods for selec­tive extrac­tion"
  • 08/2006 - 08/2009: BSc Geowissenschaften, Leibniz Universität Hannover
    • 2009: Bachelorarbeit: "The Geo­che­mi­cal and Mi­ne­ra­lo­gi­cal Cha­rac­te­riza­t­i­on of Man­ga­ne­se No­du­les from the Ger­man Ex­plo­ra­ti­on Claim"



Expeditionen

Forschungsfahrten

  • 31.05.2018 - 28.06.2018: SO263: Nördlicher Tonga-Bogen; Suva (Fidschi) - Suva (Fidschi)
  • 22.12.2016 - 21.01.2017: SO253: Kermadec-Bogen; Nouméa (Neukaledonien) - Auckland (Neuseeland)
  • 03.05.2015 - 16.06.2015: SO240: Äquatorialer Nordost-Pazifik; Man­za­nil­lo (Me­xi­ko) - Man­za­nil­lo (Me­xi­ko)
  • 26.06.2013 - 26.07.2013: SO229: Vanuatu Inselbogen; Towns­vil­le (Aus­tra­li­en) - No­uméa (Neuka­le­do­ni­en)

Probenkampagnen

  • 11/2014 - 12/2014: Aus­lands­auf­ent­halt, Uni­ver­si­tät Ot­ago bei Prof. Dr. Syl­via San­der, Dunedin, Neuseeland
  • 04/2013: Be­pro­bung von flach­ma­ri­nen Hydro­ther­mal­quel­len vor Do­mi­ni­ca (Champagne Hot Springs und Soufriere) un­ter der Lei­tung von Dr. Sol­veig Büh­ring (Marum), Dominica, Kleine An­til­len, Karibik
  • 05/2012: Be­pro­bung von flach­ma­ri­nen Hydro­ther­mal­quel­len vor Mi­los (Paleochori Bay und Spathi Bay) un­ter der Lei­tung von Dr. Sol­veig Büh­ring (Marum), Milos, Griechenland



Publikationen, Konferenzbeiträge und Workshops


Artikel (mit externer Begutachtung)

  • Neuholz R, Kleint C, Schnetger B, Koschinsky A, Laan P, Middag R, Sander SG, Thal J, Türke A, Walter M, Zitoun R, Brumsack H-J (2020): Submarine Hydrothermal Discharge and Fluxes of Dissolved Fe and Mn, and He Isotopes at Brothers Volcano Based on Radium Isotopes. Minerals 10(11), 969 - Special Issue: Advances in Integrated Mineralogical, Geochemical, Isotopic and Numerical Modeling Study of Magmatic-Hydrothermal Systems.
    | doi: 10.3390/min101109694 |
  • Neuholz R, Schnetger B, Kleint C, Koschinsky A, Lettmann K, Sander SG, Türke A, Walter M, Zitoun R, Brumsack H-J (2020): Near-field hydrothermal plume dynamics at Brothers Volcano (Kermadec Arc): A short-lived radium isotope study. Chemical Geology 533.
    | doi: 10.1016/j.chemgeo.2019.119379 |
  • Kleint C, Bach W, Diehl A, Fröhberg N, Garbe-Schönberg D, Hartmann JF, de Ronde CEJ, Sander SG, Strauss H, Stucker V, Thal J, Zitoun R, Koschinsky A (2019): Geochemical characterization of highly diverse hydrothermal fluids from volcanic vent systems of the Kermadec intraoceanic arc. Chemical Geology 528.
    | doi: 10.1016/j.chemgeo.2019.119289 |
  • Böhnke S, Sass K, Gonnella G, Diehl A, Kleint C, Bach W, Zitoun R, Koschinsky A, Indenbirken D, Sander SG, Kurtz S, Perner M (2019): Parameters governing the community structure and element turnover in Kermadec volcanic ash and hydrothermal fluids as monitored by inorganic electron donor consumption, autotrophic CO2 fixation and 16S tags of the transcriptome in incubation experiments. Frontiers in Microbiology 10:2296.
    | doi: 10.3389/fmicb.2019.02296 |
  • Kleint C, Pichler T, Koschinsky A (2017) Geochemical characteristics, speciation and size-fractionation of iron (Fe) in two marine shallow-water hydrothermal systems, Dominica, Lesser Antilles. Chemical Geology 454, 44-53.
    | doi: 10.1016/j.chemgeo.2017.02.02 |
  • Kleint C, Hawkes JA, Sander SG, Koschinsky A (2016): Voltammetric Investigation of Hydrothermal Iron Speciation. Frontiers in Marine Science (Marine Biogeochemistry) 3:75.
    | doi: 10.3389/fmars.2016.00075 |
  • Kleint C, Kuzmanovski S, Powell Z, Bühring SI, Sander SG, Koschinsky A (2015): Organic Cu-complexation at the shallow marine hydrothermal vent fields off the coast of Milos (Greece), Dominica (Lesser Antilles) and the Bay of Plenty (New Zealand). Marine Chemistry 173, 244-252.
    | doi: 10.1016/j.marchem.2014.10.012 |
  • Mohwinkel D, Kleint C, Koschinsky A (2014): Phase associations and potential selective extraction methods for selected high-tech metals from ferromanganese nodules and crusts with siderophores. Applied Geochemistry 43, 13-21.
    | doi: 10.1016/j.apgeochem.2014.01.010 |
  • Koschinsky A, Kleint C (2014): Manganknollen – Rohstoff für Zukunftstechnologien. Beitrag in Geowissenschaftliche Mitteilungen (GMIT) 57, 21-25.

Monographien

  • Doktorarbeit (2016): "The spe­cia­ti­on and or­ga­nic com­plexa­ti­on of iron (Fe) and cop­per (Cu) in dif­fe­rent ma­ri­ne hydro­ther­mal vent sys­tems", Jacobs University Bremen. Betreuer und Gutachter: Andrea Koschinsky (Jacobs University), Michael Bau (Jacobs University), Solveig Bühring (MARUM) und Sylvia Sander (Universität Otago, Neuseeland).
  • Masterarbeit (2011): "Pha­se as­so­cia­ti­ons of some rare va­luable me­tals (Pt, Zr, Hf, Nb, Ta, Mo, W, Th and REY) in fer­ro­man­ga­ne­se no­du­les and crusts and po­ten­ti­al me­thods for selec­tive extrac­tion”, Universität Bremen. Betreuer und Gutachter: Andrea Koschinsky (Jacobs University) , Wolfgang Bach (Universität Bremen).
  • Bachelorarbeit (2009): "The Geo­che­mi­cal and Mi­ne­ra­lo­gi­cal Cha­rac­te­riza­t­i­on of Man­ga­ne­se No­du­les from the Ger­man Ex­plo­ra­ti­on Claim”, Universität Hannover. Betreuer und Gutachter: Francois Holtz (Universität Hannover), Ulrich Schwarz-Schampera (BGR Hannover).

Konferenzbeiträge

  • Kleint C, Bach W, Sander SG, Zitoun R, Middag R, Laan P, Koschinsky A (2019): Hydrothermal fluxes of trace metals (such as Zn and Fe) into surface waters along the the Kermadec Intraoceanic Arc. Goldschmidt-Konferenz 2019, Barcelona, Spanien (Vortrag).
  • Kleint C, Bach W, Diehl A, Fröhberg N, Garbe-Schönberg D, Hartmann JF, de Ronde C, Sander SG, Strauss H, Stucker V, Zitoun R, Koschinsky A (2018): Heterogeneous Geochemical Composition of Hydrothermal Fluids from the Kermadec Intraoceanic Arc with Potential Implications for Ocean Biogeochemistry. Gordon Research Conference on Ocean Biogeochemistry (GRC) 2018, Hongkong, China (ausgewählter/eingeladener Vortrag und Poster).
  • Kleint C, Bach W, Diehl A, Fröhberg N, Garbe-Schönberg D, Hartmann JF, de Ronde C, Sander SG, Strauss H, Stucker V, Zitoun R, Koschinsky A: Heterogeneous Geochemical Composition of Hydrothermal Fluids from the Kermadec Intraoceanic Arc with Potential Implications for Ocean Biogeochemistry. Gordon Research Seminar on Ocean Biogeochemistry (GRS) 2018, Hongkong, China (Vortrag & Poster).
  • Kleint C, Fröhberg N, Zitoun R, Sander SG, Strauss H, Koschinsky A (2017): Diversity of hydrothermal fluids from four vent sites at the Kermadec Island Arc and its relevance for elemental fluxes. Goldschmidt-Konferenz 2017, Le Palais des Congrès de Paris, Paris, Frankreich (Vortrag).
  • Kleint C, Sander SG, Koschinsky A (2016): Dissolved Fe and Fe binding ligand concentrations at the hydrothermal vent fields in the Coriolis Troughs, New Hebrides Island Arc. Ocean Sciences Meeting (OSM) 2016, Ernest N. Morial Convention Center New Orleans, Louisiana, USA (Poster).
  • Sander SG, Powell Z, Koschinsky A, Kuzmanovski S, Kleint C (2014): Stabilization of dissolved trace metals at hydrothermal vent sites: Impact on their marine biogeochemical cycles. European Geosciences Union General Assembly 2014, Wien, Österreich.
  • Kleint C, Kraemer D, Koschinsky A (2014): Phase associations and selective extraction of high-technology metals from ferromanganese nodules and crusts with the siderophore Desferrioxamine B. GeoFrankfurt 2014, Goethe-Universität Frankfurt, Frankfurt (Vortrag).
  • Kleint C, Koschinsky A (2014): Copper-ligand complexation at shallow water hydrothermal vents off the coast of Milos and Dominica. Ocean Sciences Meeting (OSM) 2014, Convention Center Honolulu, Hawaii, USA (Poster).
  • Kleint C, Koschinsky A, Powell Z (2013): Geo-Bio interactions in shallow water hydrothermal vents and their impact on trace metals. ASLO 2013 Aquatic Sciences Meeting, Ernest N. Morial Convention Center New Orleans, Louisiana, USA (Vortrag).
  • Kleint C, Koschinsky A (2012): High-tech metals in marine ferromanganese nodules and crusts: concentrations, phase associations and potential methods of selective extraction. GeoHannover 2012, Leibniz Universität Hannover, Hannover (Vortrag).
  • Kleint C, Koschinsky A, Mohwinkel D (2012): High-tech metals in marine ferromanganese nodules and crusts: contents and possibilities of selective extraction. European Mineralogical Conference (EMC) 2012, Goethe-Universität Frankfurt, Frankfurt (Vortrag).
  • Koschinsky A, Kleint C, Mohwinkel D, Halbach P, Kuhn T (2011): Extraction of valuable trace metals from ferromanganese nodules and crusts with different chemical leaching agents. Underwater Mining Institute (UMI) 2011, Hilo Hawaiian Hotel, Hawaii, USA.

Workshops

  • GIF Young Scientists Meeting (German-Israeli Foundation for Scientific Research and Development) - "Going Down Into the Abyss: Ocean-Floor Processes, Deep Life, and Climate Archives", MARUM, Bremen, Oktober 2019 (eingeladener Vortrag).
  • „Initiative: future-orientated deep-sea mining”, Jacobs University und MARUM, Bremen, 2014, 2015 und 2016 (Koordination und Vortrag).
  • „Organic Ligands - A Key Control on Trace Metal Biogeochemistry in the Oceans” SCOR Working Group 139, Sibenik, Kroatien, April 2015.
  • „Research in Shallow Marine and Fresh Water Systems” Universität Bremen, Februar 2013 (Vortrag).
  • „Voltammetry and Geotraces” COST Action Group ES801 „The Ocean Chemistry of Bioactive Trace Elements and Paleoclimate Proxies”, Sibenik, Kroatien, Oktober 2012 (Vortrag).

Gutachtertätigkeiten

  • Scientific Reports
  • Marine Chemistry
  • Geochemistry, Geophysics, Geosystems (G-Cubed)
  • Environmental Chemistry
  • Geofluids


Lehrtätigkeiten


Jacobs University Bremen (Ba­che­lor-Stu­di­en­gang Earth & En­vi­ron­men­tal Sci­en­ces, EES)

  • Introduction into Earth and Environmental Sciences
  • Applied Geochemistry
  • Geochemistry of Aqueous Systems
  • Current Topics in Resource and Environmental Sciences