Prof. Dr. Andrea Koschinsky

• Trace metals in seawater: analytics, chemical speciation and (bio)geochemical cycling
• Marine minerals: genesis, resource potential, and paleoceanographic information
• Solid-solution reactions (adsorption of metals on mineral phases, etc.)
• Geo-bio interfaces in marine systems (e.g. metal-biota interactions)
• Hydrothermal fluids and hydrothermal metal fluxes into the ocean
• Environmental geochemistry (including soil geochemistry)

Offices

• 2011-present Member of the DFG Senate Commission for Oceanography
• 2011-2013 Councillor in the European Association of Geochemistry
• 2008-present Jacobs Univ. representative of the POLMAR grad school (coordinator: AWI)
• 2006-2008 Member of the Advisory Board of the German Mineralogical Society DMG

Research Positions:

• Participation in 11 research cruises with RV Sonne and RV Meteor in the Central Pacific, Atlantic, Indian Ocean and Sea of Marmara; chief scientist of two cruises
• 2003-2010 involved in the Special Priority Program 1144 on hydrothermal systems on the Mid-Atlantic Ridge
• Geochemistry of marine precipitates and fluid geochemistry; analytical, experimental and thermodynamic geochemistry
• Analyses of trace metals in seawater (electrochemical and spectroscopic methods)
• Environmental projects on contaminants and processes in soil and water
• National (Univ. Kiel, FU Berlin, Univ. Bremen, MPI Bremen, Univ. Kiel, AWI Bremerhaven, TU Freiberg, Univ. Hamburg, JKI Braunschweig, and others) and international cooperation (U.S. Geological Survey, Univ. of Otago in New Zealand, Universidade Federal de Santa Maria in Brazil, and others)
• Exchange programs with partners in Brazil and New Zealand

Teaching Positions:

Peer-reviewed publications

• Schneider, A.B., Koschinsky, A., Krause, C.H., Gledhill, M., and de Carvalho, L. (2022). Dynamic behavior of dissolved and soluble titanium along the salinity gradients in the Pará and Amazon estuarine system and associated plume. Marine Chemistry 238: 104067. https://doi.org/10.1016/j.marchem.2021.104067
   
• Kleint, C., Zitoun, R., Neuholz, R., Walter, M., Schnetger, B., Klose, L., Chiswell, S.M., Middag, R., Laan, P., Sander, SG. and Koschinsky, A. (2022): Trace Metal Dynamics in Shallow Hydrothermal Plumes at the Kermadec Arc. Frontiers in Marine Science 8: 782734. https://doi: 10.3389/fmars.2021.782734
   
• Zitoun, R., Achterberg, E.P., Browning, T.J., Hoffmann, L.J., Krisch, S., Sander, S.G. and Koschinsky, A (in press): The complex provenance of Cu-binding ligands in the South-East Atlantic. Marine Chemistry, https://doi.org/10.1016/j.marchem. 2021.104047
   
• Versteegh, G.J.M., Koschinsky, A., Kuhn, T., Preuss, I. and Kasten, S. (2021): Geochemical consequences of oxygen diffusion from the oceanic crust into overlying sediments and its significance for biogeochemical cycles based on sediments of the NE Pacific, Biogeosciences 18, 4965–4984. https://doi.org/10.5194/bg-18-4965-2021
   
• Paul, S. A. L.; Zitoun, R.; Noowong, A.; Manirajah, M. and Koschinsky A. (2021) Copper-binding ligands in deep-sea pore waters of the Pacific Ocean and potential impacts of polymetallic nodule mining on the copper cycle. Scientific reports 11: 18425. https://doi.org/10.1038/s41598-021-97813-3
   
• de Carvalho, L. M.; Hollister, A.P., Trindade, C.; Gledhill, M. and Koschinsky, A. (2021) Distribution and size fractionation of nickel and cobalt species along the Amazon estuary and mixing plume. Marine Chemistry 236: 104019. https://doi.org/10.1016/j.marchem.2021.104019
   
• Hollister, A. P.; Whitby, H.; Seidel, M.; Lodeiro, P.; Gledhill, M.; Koschinsky, A. (2021) Dissolved concentrations and organic speciation of copper in the Amazone estuary and mixing plume. Marine Chemistry 234: 104005. doi: 10.1016/j.marchem.2021.104005
   
• Heinrich, L. and Koschinsky, A. (2021): Deep-Sea Mining: Can It Contribute to Sustainable Development? in: Transitioning to Sustainable Life below Water (Anna-Katharina Hornidge and Werner Ekau (Eds.)) Link.
   
• Noowong, A., Gomez-Saez, G. V., Hansen, C., Schwarz-Schampera, U., Koschinsky, A. and Dittmar, T. (2021): Imprint of Kairei and Pelagia deep-sea hydrothermal systems (Indian Ocean) on marine dissolved organic matter. Organic Geochemistry 152, 104141. 10.1016/j.orggeochem.2020.104141
   
• Sousa, I.M.C., Santos, R.V., Koschinsky, A., Bau, M., Wegorzewski, A.V., Cavalcanti, J.A.D. and Dantas, E.L. (2021): Mineralogy and chemical composition of ferromanganese crusts from the Cruzeiro do Sul Lineament-Rio Grande Rise, South Atlantic. Journal of South American Earth Sciences. doi: 10.1016/j.jsames.2021.103207
   
• Neuholz, R., Kleint, C., Schnetger, B., Koschinsky, A., Middag, R., Laan, P.,  Sander, S.G., Thal, J., Türke, A., Walter, M., Zitoun, R. and 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/min10110969
   
• Volz, J., Haffert, L., Haeckel, M.,  Koschinsky, A. and Kasten, S. (2020): Impact of small-scale disturbances on geochemical conditions, biogeochemical processes and element fluxes in surface sediments of the eastern Clarion-Clipperton Zone, Pacific Ocean. Biogeosciences 17 (4), 1113-1131), doi: 10.5194/bg-17-1113-2020
   
• Volz, J., Liu, B., Köster, M., Henkel, S., Koschinsky, A. and Kasten, S. (2020): Post-depositional manganese mobilization during the last glacial period in sediments of the eastern Clarion-Clipperton Zone, Pacific Ocean. Earth and Planetary Science Letters 532. doi: 10.1016/j.epsl.2019.116012
   
• Koschinsky, A., Hein, J.R., Kraemer, D., Foster, A.L., Kuhn, T., Halbach, P. (2020) Platinum enrichment and phase associations in marine ferromanganese crusts and nodules based on a multi-method approach. Chemical Geology, doi: 10.1016/j.chemgeo.2019.119426
   
• Neuholz, R., Schnetger, B., Kleint, C., Koschinsky, A., Lettmann, K., Sander, S.G., Türke, A., Walter, M., Zitoun, R. and 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
   
• Paul, S. A. L., Haeckel, M.,  Bau, M., Bajracharya, R. and Koschinsky, A. (2019): Small-scale heterogeneity of trace metals including rare earth elements and yttrium in deep-sea sediments and porewaters of the Peru Basin, southeastern equatorial Pacific. Biogeosciences 16, 4829–4849, doi: 10.5194/bg-16-4829-2019
   
• Heinrich, L., Koschinsky, A., Markus, T. and Singh, P. (2019): Quantifying the fuel consumption, greenhouse gas emissions and air pollution of a potential commercial manganese nodule mining operation. Marine Policy, doi: 10.1016/j.marpol.2019.103678
   
• Böhnke, S., Sass, K., Gonnella, G., Diehl, A., Kleint, C., Bach, W., Zitoun, R., Koschinsky, A., Indenbirken, D., Sander, S.G.,  Kurtz, S. and 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. doi: 10.3389/fmicb.2019.02296
   
• Kleint, C., Bach, W., Diehl, A., Fröhberg, N., Garbe-Schönberg, D., Hartmann, J.F., de Ronde, C.E.J., Sander, S.G., Strauss, H., Stucker, V., Thal, J., Zitoun, R. and 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
   
• Waska, H., Brumsack, H.J., Massmann, G., Koschinsky, A., Schnetger, B., Simon, H. and Dittmar, T. (2019): Inorganic and organic iron and copper species of the subterranean estuary: Origins and fate. Geochimica et Cosmochimica Acta 259, 211-232, https://doi.org/10.1016/j.gca.2019.06.004
   
• Simon, C., Osterholz, H., Koschinsky, A. and Dittmar, T. (2019) Riverine mixing at the molecular scale – An ultrahigh-resolution mass spectrometry study on dissolved organic matter and selected metals in the Amazon confluence zone (Manaus, Brazil). Organic Geochemistry 129, 45-62 , https://doi.org/10.1016/j.orggeochem.2019.01.013
   
• Paul, S. A. L., Volz, J. B., Bau, M., Köster, M., Kasten, S. and  Koschinsky, A. (2019) Calcium phosphate control of REY patterns of siliceous-ooze-rich deep-sea sediments from the central equatorial Pacific. Geochimica et Cosmochimica Acta 251, 56-72,  10.1016/j.gca.2019.02.019
   
• Volz, J., Mogollón, J.M., Geibert, W., Martínez Arbizu, P., Koschinsky, A., Kasten, S. (2018): Natural spatial variability of depositional conditions, biogeochemical processes and element fluxes in sediments of the eastern Clarion-Clipperton Zone, Pacific Ocean. Deep-Sea Research Part I., 140, 159-172, https://doi.org/10.1016/j.dsr.2018.08.006
   
• Koschinsky, A., Heinrich, L., Boehnke, K., Cohrs, C.,J., Markus, T., Shani, M., Singh, P., Smith Stegen, K., and Werner, W. (2018): Deep‐sea mining: potential environmental, legal, economic, and societal implications ‐an interdisciplinary research. Integrated Environmental Assessment and Management, https://doi.org/10.1002/ieam.4071
   
• Paul, S.A.L., Gaye, B., Haeckel, M., Kasten, S., and Koschinsky, A. (2018): Biogeochemical regeneration of a nodule mining disturbance site: Trace metals, DOC and amino acids in deep-sea sediment and pore waters. Frontiers in Marine Sciences, https://doi.org/10.3389/fmars.2018.00117
   
• Wilckens, F.K., Reeves, E.P., Bach, W., Meixner, A., Koschinsky, A., and Kasemann, S. (2018): The influence of magmatic fluids and phase separation on B systematics in submarine hydrothermal vent fluids from back-arc basins. Geochimica et Cosmochimica Acta 232, 140-162. doi: 10.1016/j.gca.2018.04.023
   
• Nasemann, P., Gault-Ringold, M., Stirling, C., Koschinsky, A., and Sander, S. (2018): Processes affecting the isotopic composition of dissolved iron in hydrothermal plumes: A case study from the Vanuatu back-arc Chemical Geology 476, 70-84, doi: 10.1016/j.chemgeo.2017.11.005
   
• Rossel, P., Stubbins, A., Rebling, T., Koschinsky, A., Hawkes, J. and Dittmar, T. (2017): Thermally altered marine dissolved organic matter in hydrothermal fluids. Organic Geochemistry 110, 73-86.
   
• Kuhn, T., Versteegh, G.J.M. , Villinger, H. , Dohrmann, I., Heller, C., Koschinsky, A., Kaul N., Ritter, S., Wegorzewski, A.V., and Kasten, S. (2017): Widespread seawater circulation in 18–22 Ma oceanic crust: Impact on heat flow and sediment geochemistry Geology 45, 799–802.
   
• Koschinsky, A. and Hein, J.R. (2017): Marine ferromanganese encrustations: Archives of changing oceans. Elements 13, no. 3., 177-182.
   
• Schmidt, K., Garbe-Schönberg, D., Hannington, M.D., Anderson, M.O., Bühring, B., Haase, K., Haruel, C., Lupton, J., and Koschinsky, A. (2017): Boiling vapour-type fluids from the Nifonea vent field (New Hebrides Back- Arc, Vanuatu, SW Pacific): Geochemistry of an early-stage, post-eruptive hydrothermal system. Geochimica et Cosmochimica Acta 207, 185-209.
   
• Kleint, C., Pichler, T., and 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.
   
• Pöhle, S., and Koschinsky, A. (2017): Depth distribution of Zr and Nb in seawater: The potential role of colloids or organic complexation to explain non-scavenging-type behavior. Marine Chemistry 188, 18-32.
   
• Hein, J.R., Koschinsky, A., Mikesell, M., Mizell, K., Glenn, C.R., and Wood, R. (2016): Marine phosphorites as potential resources for heavy rare earth elements and yttrium. Minerals 6(3), 88; doi:10.3390/min6030088
   
• Kleint, C., Hawkes, J. A., Sander, S. G. and Koschinsky, A. (2016): Voltammetric investigation of hydrothermal iron speciation. Frontiers in Marine Science 3, article 75, doi: 10.3389/fmars.2016.00075
   
• Koschinsky, A. (2016): Sources and forms of trace metals taken up by hydrothermal vent mussels, and possible adaption and mitigation strategies. Hdb Environ Chem. doi: 10.1007/698_2016_2
   
• Sander, S.G. and Koschinsky, A. (2016): The export of iron and other trace metals from hydrothermal vents and the impact on their marine biogeochemical cycle. Hdb Environ Chem. doi: 10.1007/698_2016_4
   
• Schneider, A., Koschinsky, A., Kiprotich, J., Poehle, S., and do Nascimento, P.C. (2016): An experimental study on the mixing behavior of Ti, Zr, V and Mo in the Elbe, Rhine and Weser estuaries. Estuarine, Coastal and Shelf Science 170, 34-44.
   
• Hawkes, J.A., Rossel, P.E., Stubbins, A., Butterfield, D., Connelly, D.P., Achterberg, E.P., Koschinsky, A., Chavagnac, V., Hansen, C.T., Bach, W., and Dittmar, T. (2015): Efficient removal of recalcitrant deep-ocean dissolved organic matter during hydrothermal circulation. Nature Geoscience 8, 856–860, 10.1038/ngeo2543
   
• Ponnurangam, A., Bau, M., Brenner, M., and Koschinsky, A. (2015): Mussel shells of Mytilus edulis as bioarchives of the rare earth elements and yttrium distribution in seawater and the potential impact of pH and temperature on the partitioning behaviour.  Biogeosciences Discuss., 12, 14911–14939.
   
• Koschinsky, A. (2015): Tiefseebergbau – eine nachhaltige Option für die zukünftige Versorgung mit strategischen Wertmetallen? In: Expedition Erde – Wissenswertes und Spannendes aus den Geowissenschaften (Editors: Wefer, G. und Schmieder, F.), S. 262-273.
   
• Schneider, A.B., Nascimento, P.C., Bohrer, D., de Carvalho, L.M., Guarda, A., Krause, C., Wiethan, B.A., and Koschinsky, A. (2015): Determination of zirconium and vanadium in natural waters by adsorptive stripping voltammetry in the presence of cupferron, oxalic acid and 1,3-diphenylguanidine. Electroanalysis 27, 1864-1870.
   
• Riedel, T., Hennessy, P., Iden, S.C., and Koschinsky, A. (2015). Leaching of soil-derived major and trace elements in an arable topsoil after the addition of biochar. European Journal of Soil Science, DOI: 10.1111/ejss.12256.
   
• Muratt, D.T., de Carvalho, L.M., Viana, C., do Nascimento, P.C., Reis, G., Molin, T.R.D., Grassmann, C., Smidt, G. and Koschinsky, A. (2015): Sequential determination of 13 elements in complex matrices by stripping voltammetry with mixed complexing electrolytes. Electroanalysis, DOI: 10.1002/elan.201500089.
   
• Koschinsky, A. (2015): Hydrothermal vent fluids. Encyclopedia of Marine Geosciences, DOI: 10.1007/978-94-007-6644-0_17-1. Springer Science+Business Media Dordrecht 2014, pp 1-8.
   
• Pöhle, S., Schmidt, K., and Koschinsky, A. (2015): Determination of Ti, Zr, Nb, V, W and Mo in seawater by a new online-preconcentration method and subsequent ICP-MS analysis, Deep Sea Research I 98, 83-93.
   
• Kleint, C., Kuzmanovski, S., Powell, Z., Bühring, S.I., Sander, S.G. and Koschinsky, A. (2014): 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 (Special issue: Organic Ligands) 173, 244-252.
   
• Waska, H., Koschinsky, A., Ruiz Chancho, J.J., and Dittmar, T. (2015): Investigating the potential of solid-phase extraction and Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) for the isolation and identification of dissolved metal- organic complexes from natural waters. Marine Chemistry (Special issue: Organic Ligands) 173, 78-92.
   
• Bau, M., Schmidt, K. Koschinsky, A., Hein, J., Kuhn, T. and Usui, A. (2014): Discriminating between different genetic types of marine ferro-manganese crusts and nodules based on rare earth elements and yttrium. Chemical Geology 381, 1-9.
   
• Schirmer, T., Koschinsky, A., and Bau, M. (2014): Selenium and tellurium concentrations in geological materials and its ratio as a possible paleo redox proxy. Chemical Geology 376, 44-51.
   
• Schmidt, K., Bau, M., Hein, J.R. and Koschinsky, A. (2014): Fractionation of the geochemical twins Zr–Hf and Nb–Ta during scavenging from seawater by hydrogenetic ferromanganese crusts. Geochimica et Cosmochimica Acta 140, 468-487.
   
• Mohwinkel, D., Kleint, C., and 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.
   
• Koschinsky, A., Kausch, M., and Borowski, C. (2014): Metal concentrations in the tissues of the hydrothermal vent mussel Bathymodiolus: Reflection of different metal sources. Marine Environmental Research 95, 62-73.
   
• Hein, J. and Koschinsky, A. (2014): Deep-ocean ferromanganese nodules and crusts. In: Treatise on Geochemistry, Second Edition, (2014), vol. 13, 273-291.
   
• Perner, M., Hansen, M., Seifert, R., Strauss, H., Koschinsky, A., and Petersen, S. (2013): Linking geology, fluid chemistry, and microbial activity of basalt- and ultramafic-hosted deep-sea hydrothermal vent environments. Geobiology, doi: 10.1111/gbi.12039, 16 pp.
   
• Hein, J., Mizell, K., Koschinsky, A, and Conrad, T.A. (2013): Deep-ocean mineral deposits as a source of critical metals for high- and green-technology applications: Comparison with land-based deposits. Ore Geology Reviews 51, 1-14.
   
• Klevenz, V., Sander, S., Perner, M., and Koschinsky, A. (2012): Amelioration of free copper by hydrothermal vent microbes as a response to high copper concentrations. Chemistry and Ecology, DOI:10.1080/02757540.2012.666531.
   
• Smidt, G.A., Koschinsky, A., de Carvalho,, L.M., Monserrat, J. and Schnug, E (2011): Heavy metal concentrations in soils in the vicinity of a fertilizer factory in Southern Brazil Landbauforschung - vTI Agriculture and Forestry Research 4 2011(61), 353-364
   
• Smidt, G.A., Landes, F.C., Carvalho, L.M., Koschinsky, A. and Schnug, E. (2011): Cadmium and uranium in German and Brazilian phosphorous fertilizers. In: Merkel, B., Schipek, M. (eds.): The New Uranium Mining Boom: Challenge and lessons learned, Springer Geology, Berlin Heidelberg, 167-175.
   
• Klevenz, V., Bach, W., Schmidt, K., Hentscher, M., Koschinsky, A., and Petersen, S. (2011): Geochemistry of vent fluid particles formed during initial hydrothermal fluid-seawater mixing along the Mid-Atlantic Ridge. Geochem. Geophys. Geosyst. 12, 23 pp., doi:10.1029/2011GC003704.
   
• Schmidt, K., A., Garbe-Schönberg, D., Koschinsky, A., Strauss, H., Jost, C., Klevenz, V., and P. Königer (2011): Fluid elemental and stable isotope composition of the Nibelungen hydrothermal field (8°18'S, Mid-Atlantic Ridge): Constraints on fluid-rock interaction in heterogeneous lithosphere. Chemical Geology 280, 1-18.
   
• Sander, S. and Koschinsky, A. (2011). Metal flux from hydrothermal vents increased by organic complexation. Progress article, Nature Geoscience 4, 145-150.
   
• Bau, M., Balan S., Schmidt, K. and Koschinsky, A., (2010). Rare earth elements in mussel shells as tracers of hidden high-temperature hydrothermal systems. Earth and Planetary Science Letters 299, 310–316.
   
• Schmidt, K., A., Garbe-Schönberg, D., Koschinsky, A., Strauss, H., Jost, C., Klevenz, V., and P. Königer (2011). Fluid elemental and stable isotope composition of the Nibelungen hydrothermal field (8°18'S, Mid-Atlantic Ridge): Constraints on fluid-rock interaction in heterogeneous lithosphere. Chemical Geology 280, 1-18.
   
• Klevenz, V., Sumoondur, A., Ostertag-Henning, and Koschinsky, A. (2010). Concentrations and distributions of dissolved amino acids in seawater from Mid-Atlantic Ridge hydrothermal vents. Geochemical Journal 44, 387-397.
   
• Koschinsky, A., Bau, M., Marbler, H., and Schmidt, K. (2010). Rare valuable metals in marine ferromanganese nodules – contents and accumulation processes. Zeitschrift für Angewandte Geologie 51 (2), 33-39.
   
• Schmidt, K., Garbe-Schönberg, D., Bau, M., and Koschinsky, A. (2010). Rare earth element distribution in >400ºC hot hydrothermal fluids from 5ºS, MAR: Controls on anomalous and highly variable distribution patterns. Geochimica et Cosmochimica Acta 74, 4058-4077.
   
• Marbler, H., Koschinsky, A., Pape. T., Seifert, R., Weber, S., Baker, E.T., de Carvalho, L.M., and Schmidt, K. (2010). Geochemical and thermal structure of the hydrothermal plume at the ultramafic hosted Logatchev hydrothermal field at 14°45’ on the Mid Atlantic Ridge. Marine Geology 271, 187-197.
   
• Dias, D., Nascimento, P.C., Jost, C.L., Bohrer, D., Carvalho, L.M. and Koschinsky, A. (2010).Voltammetric determination of low molecular weight s-compounds in hydrothermal vent fluids – Studies with hydrogen sulfide, methanethiol, ethanethiol and propanethiol. Electroanalysis. 22, 1066-1071.
   
• Haase, K.M., Koschinsky, A., Petersen, S., Devey, C.W., German, C., Lackschewitz, K.S., Melchert, B., Seifert, R., Borowski, C., Giere, O., Paulick, H., and the M64/1, M68/1 and M78/2 Scientific Parties (2009). Diking, young volcanism and diffuse hydrothermal activity on the southern Mid-Atlantic Ridge: The Lilliput field at 9°33’S. Marine Geology 266, 52-64.
   
• Nascimento, P.C., Jost, C.L., Carvalho, L.M., Bohrer, D., and Koschinsky, A. (2009).Voltammetric determination of Se(IV) and Se(VI) in saline samples — Studies with seawater, hydrothermal and hemodialysis fluids. Analytica Chimica Acta 648, 162–166.
   
• Perner, M., Bach, W., Hentschser, M., Koschinsky, A., Garbe-Schönberg, D., Streit, W.R., and Strauss, H. (2009). Short-term microbial and physico-chemical variability in low-temperature hydrothermal fluids near 5°S on the Mid-Atlantic Ridge. Environmental Microbiology, doi:10.1111/j.1462-2920.2009.01978.x
   
• Sharma, P., Steckel, H., Koschinsky A., and Schnug, E. (2009). Potential correlation of heavy metals in surface soils with infestation of Viscum album in poplar trees. Agriculture and Forestry Research 59 (1), 11-18.
   
• Bau, M., and Koschinsky, A. (2009). Oxidative scavenging of cerium on hydrous Fe oxide: Evidence from the distribution of rare earth elements and yttrium between Fe oxides and Mn oxides in hydrogenetic ferromanganese crusts. Geochemical Journal, Vol. 43 (No. 1), pp. 37-47.
   
• Koschinsky, A., Garbe-Schönberg, D., Sander, S., Schmidt, K., Gennerich, H.H., and Strauß, H. (2008): Hydrothermal venting at pressure-temperature conditions above the critical point of seawater, 5°S on the Mid-Atlantic Ridge. Geology 36, 615-618.
   
• Haase, K.M., Petersen, S., Koschinsky, A., et al. (2007): Young volcanism and related hydrothermal activity at 5°S on the slow-spreading southern Mid-Atlantic Ridge, Geochem. Geophys. Geosyst., 8, Q11002, doi:10.1029/2006GC001509.
   
• Koschinsky, A., Seifert, R., Knappe, A., Schmidt, K., and Halbach, P. (2007): Hydrothermal fluid emanations from the submarine Kick’em Jenny volcano, Lesser Antilles island arc. Marine Geology 244, 129-141.
   
• Schmidt, K., Koschinsky, A., Garbe-Schönberg, D., de Carvalho, L.M., and Seifert, R. (2007): Geochemistry of hydrothermal fluids from the ultramafic-hosted Logatchev hydrothermal field, 15°N on the Mid-Atlantic Ridge. Chemical Geology 242, 1-21.
   
• Perner, M., Kuever, J., Seifert, R., Pape, T., Koschinsky, A., Schmidt, K., Strauss, and H., Imhoff, J.F. (2007): The influence of ultramafic rocks on microbial communities at the Logatchev hydrothermal field, located 15°N on the Mid-Atlantic Ridge. FEMS Microbiology Ecology 61, 97-109.
   
• Perner, M., Seifert, R., Weber, S., Koschinsky, A., Schmidt, K., Strauss, Peters, M., Haase, K., and H., Imhoff, J.F. (2007): Microbial CO2 fixation and sulfur cycling associated with low-temperature emissions at the Lilliput hydrothermal field, southern Mid-Atlantic Ridge (9°S). Environmental Microbiology, doi:10.1111/j.1462-2920.2007.01241.x
   
• Sander, S., Koschinsky, A., Massoth, G., Stott, M., and Hunter, K.A. (2007): Organic complexation of copper in deep-sea hydrothermal vent systems. Environmental Chemistry 4, 81-89.
   
• de Carvalho, L. M. , do Nascimento, P. C. , Koschinsky, A. , Bau, M. , Stefanello, R. F. , Spengler, C. , et al (2007, July 04). Simultaneous Determination of Cadmium, Lead, Copper, and Thallium in Highly Saline Samples by Anodic Stripping Voltammetry (ASV) Using Mercury-Film and Bismuth-Film Electrodes (p NA). Electroanalysis 19, 1719-1726.
   
• Bau, M. and Koschinsky, A. (2006): Hafnium and neodymium isotopes in seawater and ferromanganese crusts: the “element” perspective. Earth and Planetary Science Letters 241, 952-961.
   
• Hein, J.R., Koschinsky, A., and McIntyre B.R. (2006): A mercury- and silver-rich ferromanganese-oxide deposit, Southern California borderland: Deposit model and environmental implications. Economic Geology 100, 1151-1168.
   
• Frank, M., Marbler, H., Koschinsky, A., van de Flierdt, T., Klemm, V., Gutjahr, m., Halliday, A.N., Kubik, P.W., and Halbach, P. (2006): Submarine hydrothermal venting related to volcanism in the Lesser Antilles: Evidence from ferromanganese precipitates. Geochemistry Geophysics Geosystems 7, 24 pp. Doi:10.1029/2005GC001140
   
• Claude, C., Suhr, G., Hofmann, A.W., and Koschinsky, A. (2005): U-Th chronology and paleo-oceanographic record in a Fe-Mn crust from the NE Atlantic over the last 720 ka. Geochimica et Cosmochimica Acta 69, 4845-4854.
   
• Koschinsky, A., Hein, J.R., and Bau, M. (2004): The importance of surface oxidation for the enrichment of Te and Se on Mn oxides and Fe oxyhydroxide. In: R.B. Wanty and R.R. Seal (Eds.), Water-Rock Interaction, Vol. 2, Balkema Publ. Leiden, pp. 1323-1326.
   
• Sander, S., Koschinsky, A. and Halbach, P. (2003): Redox speciation of chromium in the oceanic water column of the Lesser Antilles and offshore Otago Peninsula, New Zealand. Marine and Freshwater Research 54, 745-754.
   
• Koschinsky, A. and Hein, J.R. (2003): Acquisition of elements from seawater by ferromanganese crusts: Solid phase associations and seawater speciation. Marine Geology 198, 331-351.
   
• Kuhn, T., Bostik, B.C., Koschinsky, A., Halbach, P., and Fendorf, S. (2003): Unusual enrichment of Mo in hydrothermal Mn precipitates: possible sources, formation and phase associations. Chemical Geology 199, 29-43
   
• Tunnicliffe, V., Baross, J., Gebruk, A., Giere, O., Koschinsky, A., Reysenbach, A.L., Shank, T.M., and Summit, M. (2003): Group report 3: What are the interactions between biotic processes a vents and physical, chemical and geological conditions? In: Report of the Dahlem Workshop on Energy and Mass Transfer in Hydrothermal Systems. October 2001 (Eds. P. Halbach, V. Tunnicliffe, and J.R. Hein, 251-270.
   
• Koschinsky, A., Borowski, C. and Halbach, P. (2003): Reactions of the heavy metal cycle to industrial activities in the deep-sea: an ecological assessment. International Review of Hydrobiology: 88, 102-127.
   
• Hein, J.R., Koschinsky, A., and Halliday, A.N. (2003): Global occurrence of tellurium-rich ferromanganese crusts and a model for the enrichment of tellurium. Geochimical et Cosmochimica Acta 67, 1117-1127.
   
• Koschinsky, A. and Hein, J.R. (2003): Acquisition of elements from seawater by ferromanganese crusts: Solid phase associations and seawater speciation. Marine Geology 198, 331-351.
   
• Kuhn, T., Bostick, B.C., Koschinsky, A., Halbach, P., and Fendorf, S. (2003): Unusual enrichment of Mo in hydrothermal Mn precipitates: possible sources, formation and phase associations. Chemical Geology 199, 29-43.
   
• Tunnicliffe, V., Baross, J., Gebruk, A., Giere, O., Koschinsky, A., Reysenbach, A.L., Shank, T.M., and Summit, M. (2003): Group report 3: What are the interactions between biotic processes at vents and physical, chemical and geological conditions? In: Report of the Dahlem Workshop on Energy and Mass Transfer in Hydrothermal Systems, October 2001 (Eds. P. Halbach, V. Tunnicliffe, and J.R. Hein), 251-270.
   
• Koschinsky, A., Borowski, C. and Halbach P. (2003): Reactions of the heavy metal cycle to industrial activities in the deep-sea: an ecological assessment. International Review of Hydrobiology 88, 102-127.
   
• Koschinsky, A., Winkler, A. and Fritsche, U. (2003): Importance of different types of marine particles for the scavenging of heavy metals in the deep-sea. Applied Geochemistry 18: 693-710.
   
• Koschinsky, A., Seifert, R., Halbach, P., Bau, M., Brasse, S., De Carvalho, L.M., and Fonseca, N.M. (2002): Geochemistry of diffuse low-temperature hydrothermal fluids in the North Fiji Basin. Geochimica et Cosmochimica Acta, 66: 1409-1427.
   
• Claude-Ivanaj, C., Hofman, A.W., Vlastélic, I. and Koschinsky, A. (2001): Recording changes in ENADW composition over the last 340 ka using high-precision lead isotopes in a Fe-Mn crust. Earth and Planetary Science Letters 188, 73-89.
   
• Fritsche, U., Koschinsky, A., and Winkler, A. (2001): The different diffusive transport behaviours of some metals in layers of Peru Basin surface sediment. Deep-Sea Research II, 48: 3653-3682
   
• Halbach, P., Holzbecher, E., Koschinsky, A., Michaelis, M., and Seifert, R. (2001): Deep-sea hydrothermal microplume generation – a case study from the North Fiji Basin. Geo-Marine Letters 21, 94-102.
   
• Koschinsky, A. (2001): Heavy metal distributions in Peru Basin surface sediments in relation to historic, present and disturbed redox environments. Deep-Sea Research II, 48: 3757-3778.
   
• Koschinsky, A., Fritsche, U. and Winkler, A. (2001): Sequential leaching of Peru Basin surface sediment for the assessment of aged and fresh metal associations and mobility. Deep-Sea Research II 48, 3683-3700.
   
• Koschinsky, A., Gaye-Haake, B., Maue, G., Winkler, A., and Halbach, P. (2001): Experiments on the influence of disturbances on the biogeochemistry of the deep-sea environment. Deep-Sea Research II 48, 3629-3652.
   
• Kuhn, T., Koschinsky, A., and Halbach, P. (2001): Enrichment of Mo in hydrothermal Mn precipitates from the North Fiji Basin. In: Mineral Deposits at the Beginning of the 21st Century (ed. A. Piestrzynski). Balkema, Lisse, pp. 289-292.
   
• Hein, J.R., Koschinsky, A., Bau, M., Manheim, F.T., Kang, J.-K., and Roberts, L. (2000): Cobalt-rich ferromanganese crusts in the Pacific. In: Handbook of Marine Mineral Deposits (ed. D.S. Cronan). CRC Press, Boca Raton, Florida, pp. 239-279.
   
• Sander, S. and Koschinsky, A. (2000): Onboard-ship redox speciation of chromium in diffuse hydrothermal fluids from the North Fiji Basin. Marine Chemistry 71, 83-102.
   
• Koschinsky, A. (2000): Geochemische Experimente zur Bindung von gelösten Spurenmetallen an marine Feststoffe. In: Umweltgeochemie in Wasser, Boden und Luft – Geogener Hintergrund und anthropogene Einflüsse (Hrsg. Gesellschaft für UmweltGeowissen¬schaften), S. 167-187.
   
• Abouchami, W., Galer, S.J.G. and Koschinsky, A. (1999): Pb and Nd isotopes in NE Atlantic Fe-Mn crusts: Proxies for trace metal paleosources and paleocean circulation. Geochimica et Cosmochimica Acta 63, 1489-1505.
   
• Koschinsky, A., Halbach, P., Kuhn, T. and Sander, S. (1999): Sampling and measuring of hydrothermal fluids with the Hydro Bottom Station (HBS). Proceedings of the Ninth (1999) International Offshore and Polar Engineering Conference (ISOPE ’99, Brest), Vol. IV, 583-589.
   
• Koschinsky, A., Stascheit, A., Bau, M. and Halbach, P. (1997): Effects of phosphatization on the geochemical and mineralogical composition of marine ferromanganese crusts. Geochimica et Cosmochimica Acta 61, 4079-4094.
   
• Koschinsky, A., Szemeitat, A., and Halbach, P. (1997): Experiments on the influence of technical activities in the deep-sea on heavy metal cycles. Proceedings of the Seventh (1997) International Offshore and Polar Engineering Conference (ISOPE ’97, Honolulu), Vol. I, 445-449.
   
• Hein, J.R., Koschinsky, A., Halbach, P., Manheim, F.T., Bau, M., Kang, J.-K., and Lubick, N. (1997): Iron and manganese oxide mineralizations in the Pacific. In: Manganese mineralizations: Geochemistry of Terrestrial and Marine Deposits (eds. K. Nicholson, J.R. Hein, B. Bühn and S. Dasgupta), Geological Society Special Publications 119, 123-138.
   
• Bau, M., Koschinsky, A., Dulski, P., and Hein, J. R. (1996): Comparison of the partitioning behaviours of yttrium, rare earth elements, and titanium between hydrogenetic marine ferromanganese crusts and seawater. Geochimica et Cosmochimica Acta 60, 1709-1725.
   
• Koschinsky, A., Szemeitat, A., Maggiulli, M., and Halbach, P. (1996): In-situ enrichment of heavy metals from deep-sea water by an ion-exchange pump system. Marine Georesources and Geotechnology 14, 297-314.
   
• Koschinsky, A., Halbach, P., Hein, J. R., and Mangini, A. (1996): Ferromanganese crusts as indicators for paleoceanographic events in the NE Atlantic. Geologische Rundschau 85, 567-576.
   
• Koschinsky, A., van Gerven, M. and Halbach, P. (1995): First discovery and investigation of massive ferromanganese crusts in the NE Atlantic in comparison to hydrogenetic Pacific occurrences. Marine Georesources and Geotechnology 13, 375-391
   
• Koschinsky, A. and Halbach, P. (1995): Sequential leaching of marine ferromanganese precipitates: genetic implications. Geochimica et Cosmochimica Acta 59, 5113-5132.
   

Senior Research Associate International University Bremen (IUB)

College lecturer at the Free University of Berlin

Research scientist and project coordinator at the Free University of Berlin

Scientist at the Technical University of Clausthal