Items where Author is "Nehrke, Gernot"

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Number of items: 65.

Article

Keul, N. , Langer, G. , de Nooijer, L. J. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2013)
Incorporation of uranium in benthic foraminiferal calcite reflects seawater carbonate ion concentration ,

Geochemistry, Geophysics, Geosystems, 14 (1), pp. 102-111 .

doi:10.1029/2012GC004330 , hdl:10013/epic.41341

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Article

Nomura, D. , Assmy, P. , Nehrke, G. , Granskog, M. A. , Fischer, M. , Dieckmann, G. , Fransson, A. , Hu, Y. and Schnetger, B. (2013)
Characterization of ikaite (CaCO3•6H2O) crystals in first year Arctic sea ice north of Svalbard ,

Annals of Glaciology, International Glaciological Society, 54 (62), pp. 125-131 .

doi:10.3189/2013AoG62A034 , hdl:10013/epic.41120

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Article

Fischer, M. , Thomas, D. N. , Krell, A. , Nehrke, G. , Göttlicher, J. , Norman, L. , Meiners, K. M. , Riaux-Gobin, C. and Dieckmann, G. S. (2013)
Quantification of ikaite in Antarctic sea ice ,

Antarctic Science, 25 (3), pp. 421-432 .

doi:10.1017/S0954102012001150 , hdl:10013/epic.41375

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Article

Nehrke, G. , Poigner, H. , Wilhelms-Dick, D. , Brey, T. and Abele, D. (2012)
Coexistence of three calcium carbonate polymorphs in the shell of the Antarctic clam Laternula elliptica ,

Geochemistry Geophysics Geosystems, 13 (5) .

doi:10.1029/2011GC003996 , hdl:10013/epic.39539

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Article

Cuif, J. P. , Dauphin, Y. , Nehrke, G. , Nouet, J. and Perez-Huerta, A. (2012)
Layered Growth and Crystallization in Calcareous Biominerals: Impact of Structural and Chemical Evidence on Two Major Concepts in Invertebrate Biomineralization Studies ,

Minerals, 2 (1), pp. 11-39 .

doi:10.3390/min2010011 , hdl:10013/epic.38833

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Article

Hauck, J. , Gerdes, D. , Hillenbrand, C. D. , Hoppema, M. , Kuhn, G. , Nehrke, G. , Völker, C. and Wolf-Gladrow, D. (2012)
Distribution and mineralogy of carbonate sediments on Antarctic shelves ,

Journal of Marine Systems., Elsevier, 90 (1), pp. 77-87 .

doi:10.1016/j.jmarsys.2011.09.005 , hdl:10013/epic.38271

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Article

Wolthers, M. , Nehrke, G. , Gustafsson, J. P. and Van Cappellen, P. (2012)
Calcite growth kinetics: Modeling the effect of solution stoichiometry ,

Geochimica et Cosmochimica Acta, Elesevier, (77), pp. 121-134 .

doi:10.1016/j.gca.2011.11.003 , hdl:10013/epic.38548

Article

Nehrke, G. and Nouet, J. (2011)
Confocal Raman microscope mapping as a tool to describe different mineral and organic phases at high spatial resolution within marine biogenic carbonates: case study on Nerita undata (Gastropoda, Neritopsina) ,

Biogeosciences, 8 , pp. 3761-3769 .

doi:10.5194/bg-8-3761-2011 , hdl:10013/epic.38565

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Article

Gussone, N. , Nehrke, G. and Teichert, B. M. A. (2011)
Calcium isotope fractionation in ikaite and vaterite ,

Chemical Geology, 285 (1), pp. 194-202 .

doi:10.1016/j.chemgeo.2011.04.002 , hdl:10013/epic.37559

Article

Nehrke, G. and Langer, G. (2011)
Comment on "In situ multielemental monitoring in coral skeleton by CF-LIBS" by S. Pandhija and A.K. Rai (DOI:10.1007/s00340-008-3343-5) ,

Applied Physics B: Lasers and Optics. .

doi:10.1007/s00340-011-4650-9 , hdl:10013/epic.37847

Article

Krause-Nehring, J. , Klügel, A. , Nehrke, G. , Brellochs, B. and Brey, T. (2011)
Impact of sample pretreatment on the measured element concentrations in the bivalve Arctica islandica ,

Geochemistry, Geophysics, Geosystems, 12, Q07015 .

doi:10.1029/2011GC003630 , hdl:10013/epic.37810

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Article

Langer, G. , Probert, I. , Nehrke, G. and Ziveri, P. (2011)
The morphological response of Emiliania huxleyi to seawater carbonate chemistry changes: an inter-strain comparison ,

Journal of Nannoplankton Research 32 (1), pp. 29-34 .

hdl:10013/epic.37875

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Article

Kranz, S. , Wolf-Gladrow, D. , Nehrke, G. , Langer, G. and Rost, B. (2010)
Calcium carbonate precipitation induced by the growth of the marine cyanobacteria Trichodesmium ,

Limnology and Oceanography, 55 (6), pp. 2563-2569 .

doi:10.4319/lo.2010.55.6.2563 , hdl:10013/epic.36190

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Article

Dissard, D. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2010)
Corrigendum to "Impact of seawater pCO2 on calcification and Mg/Ca and Sr/Ca ratios in benthic foraminifera calcite: results from culturing experiments with Ammonia tepida" published in Biogeosciences, 7, 8193, 2010 ,

Biogeosciences, 7 .

hdl:10013/epic.34605

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Article

Munsel, D. , Kramer, U. , Dissard, D. , Nehrke, G. , Berner, Z. , Bijma, J. , Reichart, G. J. and Neumann, T. (2010)
Heavy metal incorporation in foraminiferal calcite: results from multi-element enrichment culture experiments with Ammonia tepida ,

Biogeosciences, 7 , pp. 2339-2350 .

doi:10.5194/bg-7-2339-2010 , hdl:10013/epic.35701

Article

Dieckmann, G. , Nehrke, G. , Uhlig, C. , Göttlicher, J. , Gerland, S. , Granskog, M. A. and Thomas, D. N. (2010)
Ikaite (CaCO3.6H2O) discovered in Arctic sea ice ,

The Cryosphere, 4 , pp. 227-230 .

doi:10.5194/tc-4-227-2010 , hdl:10013/epic.35287

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Article

Dissard, D. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2010)
Impact of seawater pCO2 on calcification and Mg/Ca and Sr/Ca ratios in benthic foraminifera calcite: results from culturing experiments with Ammonia tepida ,

Biogeosciences, 7., 81 .

hdl:10013/epic.33935

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Article

Dissard, D. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2010)
The impact of salinity on the Mg/Ca and Sr/Ca ratio in the benthic foraminifera Ammonia tepida: Results from culture experiments ,

Geochimica et Chosmocimica Acta, 74 (3), 928 - 940 .

doi:10.1016/j.gca.2009.10.040 , hdl:10013/epic.33922

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Article

Langer, G. , Nehrke, G. , Thoms, S. and Stoll, H. (2009)
Barium partitioning in coccoliths of Emiliania huxleyi. ,

Geochimica et Cocmochimica Acta, 73 (10), 2899 - 2906 .

doi:10.1016/j.gca.2009.02.025 , hdl:10013/epic.32112

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Article

Dieckmann, G. , Nehrke, G. , Göttlicher, J. and Steiniger, R. (2009)
Climate-Relevant carbonate mineral discovered in Antarctic sea-ice ,

ANKA, Synchrotron Radiation Facility for Microfabrication and Analytical Services : annual report, pp. 23-24 .

hdl:10013/epic.33776

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Article

Dissard, D. , Nehrke, G. , Reichart, G. J. , Nouet, J. and Bijma, J. (2009)
Effect of the fluorescent indicator calcein on Mg and Sr incorporation into foraminiferal calcite ,

Geochemistry Geophysics Geosystems, Volume 10, Number 1. .

doi:10.1029/2009GC002417 , hdl:10013/epic.33459

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Article

Dissard, D. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2009)
Impact of seawater pCO2 changes on calcification and on Mg/Ca and Sr/Ca in benthic foraminifera calcite (Ammonia tepida): results from culturing experiments ,

Biogeosciences Discussion, 6, 3771-3802, 6 , pp. 3771-3802 .

hdl:10013/epic.33603

Article

de Nooijer, L. J. , Langer, G. , Nehrke, G. and Bijma, J. (2009)
Physiological controls on seawater uptake and calcification in the benthic foraminifer Ammonia tepida ,

Biogeosciences Discussions, 67102., 7083 .

hdl:10013/epic.33738

Article

de Nooijer, L. J. , Langer, G. , Nehrke, G. and Bijma, J. (2009)
Physiological controls on seawater uptake and calcification in the benthic foraminifer Ammonia tepida ,

Biogeosciences, 6 , pp. 2669-675 .

hdl:10013/epic.33747

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Article

Langer, G. , Nehrke, G. , Probert, I. , Ly, J. and Ziveri, P. (2009)
Strain-specific responses of Emiliania huxleyi to changing seawater carbonate chemistry ,

Biogeosciences, 6 , pp. 2637-2646 .

hdl:10013/epic.33900

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Article

Dieckmann, G. , Nehrke, G. , Papadimitriou, S. , Göttlicher, J. , Steininger, R. , Kennedy, H. , Wolf-Gladrow, D. and Thomas, D. N. (2008)
Calcium carbonate as ikaite crystals in Antarctic sea ice ,

Geophysical Research Letters, 35, L08501 .

doi:10.1029/2008GL033540 , hdl:10013/epic.30402

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Article

Cuif, J. P. , Dauphin, Y. , Farre, B. , Nehrke, G. , Nouet, J. and Salomé, M. (2008)
Distribution of sulphated polysaccharides within calcareous biominerals suggests a widely shared two-step crystallization process for the microstructural growth units ,

Mineralogical Magazine, 72 (1), pp. 233-237 .

doi:10.1180/minmag.2008.072.1.233 , hdl:10013/epic.31004

Article

Langer, G. , Gussone, N. , Nehrke, G. , Riebesell, U. , Eisenhauer, A. and Thoms, S. (2007)
Calcium isotope fractionation during coccolith formation in Emiliania huxleyi: Independence of growth and calcification rate ,

Geochemistry, Geophysics, Geosystems, 8, Q05007 .

doi:10.1029/2006GC001422 , hdl:10013/epic.26756

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Article

Nehrke, G. , Reichart, G. J. , Van Cappellen, P. , Meile, C. and Bijma, J. (2007)
Dependence of calcite growth rate and Sr partitioning on solution stoichiometry: Non-Kossel crystal growth ,

Geochimica et Cocmochimica Acta, 71 (9), pp. 2240-2249 .

doi:10.1016/j.gca.2007.02.002 , hdl:10013/epic.26776

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Article

Langer, G. , Nehrke, G. and Jansen, S. (2007)
Dissolution of Calcidiscus leptoporus coccoliths in copepod guts?- A morphological study ,

Marine Ecology Progress Series, 331 , pp. 139-146 .

hdl:10013/epic.25068

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Article

Gussone, N. , Langer, G. , Thoms, S. , Nehrke, G. , Eisenhauer, A. , Riebesell, U. and Wefer, G. (2006)
Cellular calcium pathways and isotope fractionation in Emiliania huxleyi ,

Geology 34, pp. 625-628 .

doi:10.1130/G22733.1 , hdl:10013/epic.24966

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Article

Langer, G. , Gussone, N. , Nehrke, G. , Riebesell, U. , Eisenhauer, A. , Kuhnert, H. , Rost, B. , Trimborn, S. and Thoms, S. (2006)
Coccolith strontium to calcium ratios in Emiliania huxleyi: The dependence on seawater strontium and calcium concentrations ,

Limnology and oceanography, 51 (1), pp. 310-320 .

hdl:10013/epic.24312

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Article

Nehrke, G. , Van Cappellen, P. and van der Weijden, C. H. (2006)
Framboidal vaterite aggregates and their transformation into calcite: A morphological study. ,

Journal of crystal growth, 287 (2), pp. 528-530 .

doi:10.1016/j.jcrysgro.2005.11.080 , hdl:10013/epic.24314

Article

Biester, H. and Nehrke, G. (1997)
Quantification of mercury in soils and sediments - acid digestion versus pyrolysis ,

Fres. J. Anal. Chem. 358, pp. 446-452 .

hdl:10013/epic.26439

Inbook

Krause-Nehring, J. , Brey, T. , Thorrold, S. R. , Klügel, A. , Nehrke, G. and Brellochs, B. (2013)
The Significance of the long lived (>400 Years) bivalve Arctica islandica as a high-resolution bioarchive / Lohmann, G. , Grosfeld, K. , Wolf-Gladrow, D. , Unnithan, V. , Notholt, J. and Wegner, A. (editors) ,

In: Earth system science: bridging the gap between disciplines, Earth system science: bridging the gap between disciplines, Heidelberg, Springer, 7 p., ISBN: 978-3-642-32234-1 .

doi:10.1007/978-3-642-32235-8 , hdl:10013/epic.40479

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Thesis

Thesis -PhD

Nehrke, G. (2007)
Calcite Precipitation from Aqueous solution: Transformation from Vaterite and Role of Solution Stoichiometry ,

PhD thesis, Universität Utrecht, Niederlande.

hdl:10013/epic.26286

Conference

Conference -Poster

Nomura, D. , Granskog, M. , Assmy, P. , Nehrke, G. , Hu, Y. , Fischer, M. and Dieckmann, G. (2012)
Characterization of ikaite (CaCO3*6H2O) crystals in first-year Arctic sea ice north of Svalbard: Crystal size and melted-ice total alkalinity ,

International Glaciology Society - International Symposium on Seasonal Snow and Ice, Lahti, Finland, 28 May 2012 - 1 June 2012 .

hdl:10013/epic.39388

Conference -Poster

Hu, Y. B. , Nehrke, G. , Dieckmann, G. , Völker, C. and Wolf-Gladrow, D. (2012)
The study of ikaite formation in sea ice ,

EGU General Assembly 2012, Vienna, Austria, 22 April 2012 - 27 April 2012 .

hdl:10013/epic.39530

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Conference -Invited talk

Nehrke, G. (2011)
Confocal Raman microscopy as at tool to describe the spatial distribution of different mineral and organic phases within marine biogenic carbonates ,

8th Confocal Raman Imaging Symposium in Ulm, 5 October 2011 - 6 October 2011 .

hdl:10013/epic.39501

Conference -Talk

Hauck, J. , Gerdes, D. , Hillenbrand, C. D. , Hoppema, M. , Kuhn, G. , Nehrke, G. , Völker, C. and Wolf-Gladrow, D. (2011)
Distribution and mineralogy of carbonate sediments on Antarctic shelves ,

2nd Young Scientist Excellence Cluster Conference on Marine and Climate Research: Perspectives from Natural and Social Sciences , Bremen, 4 October 2011 - 5 October 2011 .

hdl:10013/epic.38424

Conference -Talk

BioAcid Annual Meeting 2011, Bremen, 26 September 2011 - 28 September 2011 .

hdl:10013/epic.38423

Conference -Talk

Kranz, S. , Wolf-Gladrow, D. , Nehrke, G. , Langer, G. and Rost, B. (2011)
Calcium Carbonate Precipitation by the Marine Cyanobacterium Trichodesmium ,

Goldschmidt 2011, August 14-19, 2011, Prague, Czech Republic. .

hdl:10013/epic.37944

Conference -Invited talk

Kranz, S. , Wolf-Gladrow, D. , Nehrke, G. , Langer, G. and Rost, B. (2011)
Calcium carbonate precipitation by the marine cyanobacterium Trichodesmium ,

Max Planck Institute for Marine Microbiology Bremen, Seminar. .

hdl:10013/epic.37112

Conference -Talk

Hauck, J. , Gerdes, D. , Hillenbrand, C. D. , Hoppema, M. , Kuhn, G. , Nehrke, G. , Völker, C. and Wolf-Gladrow, D. (2011)
Carbonate sediments on Antarctic shelves and implications for a mechanism to buffer ocean acidification in the Southern Ocean ,

ASLO Aquatic Sciences Meeting, 13-18 February, San Juan, Puerto Rico, USA. .

hdl:10013/epic.36936

Conference -Poster

Poigner, H. , Nehrke, G. , Brey, T. , Abele, D. and Wilhelms‐Dick, D. (2011)
Coexistence of three calcium carbonate polymorphs in the shell of the Antarctic clam Laternula elliptica: Consequences for trace metal incorporation ,

European Geophysical Union General Assembly 2011, General Assembly 2011, 3rd - 8th April 2011, Vienna, Austria. .

hdl:10013/epic.37330

Conference -Poster

Krause-Nehring, J. , Brey, T. , Klügel, A. and Nehrke, G. (2010)
Bleaching of biogenic carbonates beware of changes in trace element concentrations! ,

2nd International Sclerochronology Conference, Mainz 2010. .

hdl:10013/epic.35420

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Conference -Poster

Hauck, J. , Hillenbrand, C. D. , Hoppema, M. , Kuhn, G. , Nehrke, G. , Völker, C. and Wolf-Gladrow, D. (2010)
Buffering ocean acidification: Dissolution of carbonate sediments in the Southern Ocean ,

BIOACID / EPOCA / UKOARP Meeting Bremerhaven.-30.09.2010. .

hdl:10013/epic.36123

Conference -Poster

Weikusat, C. , Faria, S. H. , Nehrke, G. , Kipfstuhl, S. , Schöder, S. and Kuhs, W. F. (2010)
Microdiffraction and Raman study of micro-inclusions in the EPICA-DML ice core ,

Physics and Chemistry of Ice 2010. .

hdl:10013/epic.36004

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Conference -Talk

Fischer, M. , Krell, A. , Nehrke, G. , Göttlicher, J. , Norman, L. , Thomas, D. , Riaux-Gobin, C. and Dieckmann, G. (2010)
Quantitative determination of CaCO3 precipitation and biogeochemistry in Antarctic sea ice ,

International Glaciological Society - Symposium on Sea Ice in the Physical and Biogeochemical System, 31 May - 4 June 2010, Tromsø, Norway. .

hdl:10013/epic.35351

Conference -Poster

Langer, G. , Nehrke, G. , Thoms, S. and Stoll, H. (2009)
Barium partitioning in coccoliths of Emiliania huxleyi ,

European Geosciences Union General Assembly, Vienna, Austria24 April 2009. .

hdl:10013/epic.32038

Conference -Poster

Ziveri, P. , Langer, G. , Nehrke, G. , Probert, I. and Ly, J. (2009)
Effect of changing carbonate chemistry on calcification of Emiliania huxleyi ,

European Geosciences Union General Assembly, Vienna, Austria24 April 2009. .

hdl:10013/epic.32039

Conference -Poster

Dissard, D. , Nehrke, G. , Reichart, G. J. and Bijma, J. (2009)
Impact of temperature, salinity and [CO3 2-] on the Mg/Ca and Sr/Ca in benthic foraminifera (Ammonia tepida): results from culture experiments. ,

ASLO Conference, Nizza. .

hdl:10013/epic.33378

Conference -Poster

Munsel, D. , Kramar, U. , Nehrke, G. , Dissard, D. , Bijma, J. , Berner, Z. and Reichart, G. J. (2009)
Incorporation of hydrothermal elements in foraminiferal calcite: Results from culturing experiments ,

Goldschmidt Conference Davos. .

hdl:10013/epic.33379

Conference -Poster

de Nooijer, L. J. , Toyofuku, T. , Langer, G. , Nehrke, G. , Kitazato, H. and Bijma, J. (2009)
Intracellular control on calcification in benthic foraminifera ,

European Geosciences Union General Assembly, Vienna, Austria24 April 2009. .

hdl:10013/epic.33859

Conference -Poster

Krause-Nehring, J. , Klügel, A. , Nehrke, G. , Kriews, M. and Brey, T. (2009)
Trace elements in biogenic carbonates do not mess with the organic matrix! ,

2009 Fall Meeting of the American Geophysical Union. .

hdl:10013/epic.34147

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Conference -Poster

Wolthers, M. , Nehrke, G. and Fokkema, M. (2008)
Coupled Effects of Aspartic Acid and Magnesium on Biocalcification ,

9th Nederlands Aardwetenschappelijk Congres (NAC) Veldhoven, The Netherlands (18th and 19th March 2008). .

hdl:10013/epic.31135

Conference -Poster

Göttlicher, J. , Nehrke, G. , Steininger, R. and Dieckmann, G. (2008)
Identification of Ikaite (CaCO3 x 6 H2O) in Antarctic Sea Ice by Low Temperature Synchrotron X-ray Diffraction ,

86th Annual Meeting of the German Mineralogical Society - DMG 14th - 17th September 2008 in Berlin. .

hdl:10013/epic.31134

Conference -Poster

Dissard, D. , Bijma, J. , da Rocha, R. E. , Nehrke, G. and de Nooijer, L. J. (2008)
Impact of ocean acidification on calcifying marine organisms. ,

Second international symposium on the ocean in a high CO2 world (Monaco). .

hdl:10013/epic.33380

Conference -Poster

Thoms, S. , Langer, G. , Gussone, N. , Nehrke, G. and Stoll, H. M. (2008)
Modeling the strontium to calcium ratios in coccoliths of Emiliania huxley ,

European Geosciences Union, General Assembly 2008, 13 18 April, Vienna, Austria. .

hdl:10013/epic.30460

Conference -Talk

Göttlicher, J. , Steininger, R. , Kramar, U. , Majzlan, J. , Nehrke, G. and Zöger, N. (2007)
First measurements at the X-ray beamline of the Synchrotron Radiation Laboratory for Environmental Studies at ANKA ,

Frontiers in Mineral Sciences 2007 Conference, Cambridge. .

hdl:10013/epic.28772

Conference -Invited talk

Nehrke, G. (2006)
Calcite precipitation from aqueous solution: Transformation from vaterite and role of solution stoechiometry ,

ESF / EuroCLIMATE-EuroMinScI - ESRF Workshop, 30 - 31 October 2006, Grenoble, France. .

hdl:10013/epic.26074

Conference -Poster

Nehrke, G. and Gussone, N. (2006)
Calcite precursor transformation; Implication for the isotope fractionation and trace element distribution in bio-minerals ,

EGU General Assembly, 07 -07 April 2006, Vienna, Austria. .

hdl:10013/epic.26072

Conference -Poster

Moy, A. D. , Howard, W. R. , Bijma, J. and Nehrke, G. (2006)
Potential Effects of Increasing Anthropogenic CO2 on Marine Plankton in the Southern Ocean ,

Workshop: IGBP-SCOR Fast Track Initiative "Ocean Acidification", 28 - 30 September 2006, Lamont, USA. .

hdl:10013/epic.26073

Conference -Poster

Langer, G. , Gussone, N. , Nehrke, G. , Riebesell, U. , Eisenhauer, A. , Kuhnert, H. , Rost, B. , Trimborn, S. and Thoms, S. (2005)
Coccolith strontium to calcium ratios in Emiliania huxleyi: The dependence on seawater strontium and calcium concentrations. ,

MSG meeting Biogeochemical Controls on Palaeoceanographic Proxies, Geological Society, 3-4 October, London, UK. .

hdl:10013/epic.25337

Conference -Talk

Nehrke, G. , Van Cappellen, P. and van der Weijden, C. H. (2005)
Transformation kinetics of framboidal vaterite aggregates into calcite ,

16th American Conference on Crystal Growth, 10-15 July, Big Sky, Montana. .

hdl:10013/epic.24315

This list was generated on Thu Jun 20 04:44:22 2013 CEST.