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Items where Author is "Völker, Christoph"

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Article

Article
Hu, Y. B. , Wolf-Gladrow, D. A. , Dieckmann, G. S. , Völker, C. and Nehrke, G. (2014)
A laboratory study of ikaite (CaCO3·6H2O) precipitation as a function of pH, salinity, temperature and phosphate concentration ,
Marine Chemistry, 162 , pp. 10-18 .
doi:10.1016/j.marchem.2014.02.003 , hdl:10013/epic.43309
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Article
Hauck, J. , Völker, C. , Wang, T. , Hoppema, M. , Losch, M. and Wolf-Gladrow, D. A. (2013)
Seasonally different carbon flux changes in the Southern Ocean in response to the southern annular mode ,
Global Biogeochemical Cycles, 27 (4), pp. 1236-1245 .
doi:10.1002/2013GB004600 , hdl:10013/epic.43061
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Article
Köhler, P. , Abrams, J. F. , Völker, C. , Hauck, J. and Wolf-Gladrow, D. A. (2013)
Geoengineering impact of open ocean dissolution of olivine on atmospheric CO2, surface ocean pH and marine biology ,
Environmental Research Letters, 8 (1), 014009 .
doi:10.1088/1748-9326/8/1/014009 , hdl:10013/epic.40694
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Article
Hauck, J. , Arrigo, K. R. , Hoppema, M. , van Dijken, G. L. , Völker, C. and Wolf-Gladrow, D. (2013)
Insignificant buffering capacity of Antarctic shelf carbonates ,
Global Biogeochemical Cycles, 27 , pp. 1-10 .
doi:10.1029/2011GB004211 , hdl:10013/epic.40778
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Article
Völker, C. and Köhler, P. (2013)
Responses of ocean circulation and carbon cycle to changes in the position of the Southern hemisphere westerlies at Last Glacial Maximum ,
Paleoceanography, 28 (4), pp. 726-739 .
doi:10.1002/2013PA002556 , hdl:10013/epic.42798
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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., 90 (1), pp. 77-87 .
doi:10.1016/j.jmarsys.2011.09.005 , hdl:10013/epic.38271
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Article
Ye, Y. , Völker, C. , Bracher, A. , Taylor, B. and Wolf-Gladrow, D. (2012)
Environmental controls on N2 fixation by Trichodesmium in the tropical eastern North Atlantic Ocean - A model-based study ,
Deep-Sea Research Part I-Oceanographic Research Papers, 64 , pp. 104-117 .
doi:10.1016/j.dsr.2012.01.004 , hdl:10013/epic.39337

Article
Ianson, D. , Völker, C. , Denman, K. L. , Kunze, E. and Steiner, N. (2012)
The effect of vertical and horizontal dilution on fertilized patch experiments ,
Global Biogeochemical Cycles, 26 , GB3002:1-14 .
doi:10.1029/2010GB004008 , hdl:10013/epic.39797
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Article
Ye, Y. , Wagener, T. , Völker, C. , Guieu, C. and Wolf-Gladrow, D. (2011)
Dust deposition: iron source or sink? A case study ,
Biogeosciences, 8 , pp. 2107-2124 .
doi:10.5194/bg-8-2107-2011 , hdl:10013/epic.37857
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Article
Hauck, J. , Hoppema, M. , Bellerby, R. G. J. , Völker, C. and Wolf-Gladrow, D. (2010)
Data-based estimation of anthropogenic carbon and acidification in the Weddell Sea on a decadal timescale ,
Journal of Geophysical Research - Oceans, 115, C03004 .
doi:10.1029/2009JC005479 , hdl:10013/epic.34266

Article
De La Rocha, C. , Terbrüggen, A. , Völker, C. and Hohn, S. (2010)
Response and Recovery of Thalassiosira weissflogii to Nitrogen and Silicon Starvation: Growth Rates, Nutrient Uptake, and C, Si, and N per Cell ,
Marine Ecology Progress Series:, 412 , pp. 57-68 .
doi:10.3354/meps08701 , hdl:10013/epic.35746

Article
Fischer, H. , Schmitt, J. , Lüthi, D. , Stocker, T. F. , Tschumi, T. , Parekh, P. , Joos, F. , Köhler, P. , Völker, C. , Gersonde, R. , Barbante, C. , Le Floch, M. , Raynaud, D. and Wolff, E. (2010)
The role of Southern Ocean processes on orbital and millennial CO2 variations - a synthesis ,
Quaternary Science Reviews, 29 (1), pp. 193-205 .
doi:10.1016/j.quascirev.2009.06.007 , hdl:10013/epic.33950
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Article
Steigenberger, S. , Statham, P. J. , Völker, C. and Passow, U. (2010)
The role of polysaccharides and diatom exudates in the redox cycling of Fe and the photoproduction of hydrogen peroxide in coastal seawaters ,
Biogeosciences, 7 , pp. 109-119 .
hdl:10013/epic.33948
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Article
Ye, Y. , Völker, C. and Wolf-Gladrow, D. (2009)
A model of Fe speciation and biogeochemistry at the Tropical Eastern North Atlantic Time-Series Observatory site ,
Biogeosciences, 6 , pp. 2041-2061 .
hdl:10013/epic.33356
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Article
Steigenberger, S. , Statham, P. J. , Völker, C. and Passow, U. (2009)
The role of polysaccharides and diatom exudates in the redox cycling of Fe and the photoproduction of hydrogen peroxide in coastal waters ,
Biogeosciences Discussion, 6 (4), pp. 7789-7819 .
hdl:10013/epic.34437
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Article
Weber, L. , Völker, C. , Oschlies, A. and Burchard, H. (2007)
Iron profiles and speciation of the upper water column at the Bermuda Atlantic time-series Study site: a model based sensitivity study ,
Biogeosciences,4. {www.biogeosciences.net/4/689/2007/}, 689 .
hdl:10013/epic.27422

Article
Schartau, M. , Engel, A. , Schröter, J. , Thoms, S. , Völker, C. and Wolf-Gladrow, D. (2007)
Modelling carbon overconsumption and the formation of extracellular particulate organic carbon ,
Biogeosciences, 4454., 433 .
hdl:10013/epic.26876
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Article
Biastoch, A. , Völker, C. and Böning, C. W. (2007)
Uptake and spreading of anthropogenic trace gases in an eddy-permitting model of the Atlantic Ocean ,
Journal of Geophysical Research - Oceans, 112, C09017 .
doi:10.1029/2006JC003966 , hdl:10013/epic.27714

Article
Denman, K. L. , Völker, C. , Pena, M. A. and Rivkin, R. B. (2006)
Modelling the ecosystem response to iron fertilization in the subarctic NE Pacific: The influence of grazing, and Si and N cycling on CO2 drawdown ,
Deep-sea research part ii-topical studies in oceanography, 53 (20), pp. 2327-2352 .
doi:10.1016/j.dsr2.2006.05.026 , hdl:10013/epic.25155

Article
Meissner, K. J. , Galbraith, E. and Völker, C. (2005)
Denitrification under glacial and interglacial conditions: A physical approach ,
Paleoceanography, 20, PA3001 .
doi:10.1029/2004PA001083 , hdl:10013/epic.22852

Article
Weber, L. , Völker, C. , Schartau, M. and Wolf-Gladrow, D. (2005)
Modeling the Speciation and Biogeochemistry of Iron at the Bermuda Atlantic Time-series Study Site ,
Global biogeochemical cycles, 19, GB1019 .
doi:10.1029/2004GB002340 , hdl:10013/epic.22207
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Article
Olbers, D. , Borowski, D. , Völker, C. and Wolff, J. O. (2004)
The dynamical balance, transport and circulation of the Antarctic Circumpolar Current ,
Antarctic science, 16 (4), pp. 439-470 .
doi:10.1017/S0954102004002251 , hdl:10013/epic.20496
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Article
Völker, C. , Wallace, D. W. R. and Wolf-Gladrow, D. (2002)
On the role of heat fluxes in the uptake of anthropogenic carbon in the North Atlantic ,
Global Biogeochemical Cycles, 16 (4) .
doi:10.1029/2002GB001897 , hdl:10013/epic.15815

Article
Olbers, D. , Wolff, J. O. and Völker, C. (2000)
Eddy Fluxes and Second-Order Moment Balances for Nonhomogeneous Quasigeostrophic Turbulence in Wind-Driven Zonal Flows ,
Journal of Physical Oceanography, Volume 30, No. 7, pp, pp. 1645-1668 .
hdl:10013/epic.12920

Article
Völker, C. and Wolf-Gladrow, D. (2000)
Numerical models of iron uptake by phytoplankton cells ,
Journal of plant nutrition, 23 , pp. 1657-1665 .
hdl:10013/epic.13821

Article
Olbers, D. , Wolff, J. O. and Völker, C. (1999)
Eddy-fluxes and Second Order Moment Balances for Non-homogeneous Quasigeostrophic Turbulence in Wind-driven Zonal Flows ,
Berichte aus dem Fachbereich Physik No. 95, Alfred-Wegener-Institut, Bremerhaven .
hdl:10013/epic.12916

Article
Völker, C. (1999)
Momentum balance in zonal flows and resonance of baroclinic Rossby waves ,
J Phys Oceanogr,i Vol. 29, pp., pp. 1666-1681 .
hdl:10013/epic.13820

Article
Völker, C. and Wolf-Gladrow, D. (1999)
Physical limits on iron uptake mediated by siderophores or surface reductases ,
Marine Chemistry, 65 , pp. 227-244 .
hdl:10013/epic.13819

Article
Völker, C. (1998)
Computermodelle für den antarktischen Zirkumpolarstrom ,
HGF-Jahresheft, 34 - 35 .
hdl:10013/epic.13818

Article
Olbers, D. , Wolff, J. O. , Ivchenko, V. and Völker, C. (1997)
Eddy-flux parametrizations for wind-driven quasi-geostrophic zonal flows ,
Berichte aus dem Fachbereich Physik No. 83, Alfred-Wegener-Institut, Bremerhaven .
hdl:10013/epic.14388

Article
Olbers, D. and Völker, C. (1996)
Steady states amd variability in oceanic zonal flows ,
Berichte aus dem Fachbereich Physik, No. 83 .
hdl:10013/epic.14668

Article
Glowienka-Hense, R. , Hense, A. and Völker, C. (1992)
ECMWF versus Hellermann and Rosenstein stress climatology of the Southern Ocean ,
Antarct Sci .
hdl:10013/epic.11573

Inbook

Inbook
Redler, R. , Beismann, J. O. , Czeschel, L. , Völker, C. , Dengg, J. and Böning, C. (2001)
Hindcasting the Uptake of Anthropogenic Trace Gases with an Eddy-Permitting Model of the Atlantic Ocean. ,
High Performance Computing in Science and Engineering '01, Springer Verlag, Berlin, ISBN: 3-540-42675-2 .
hdl:10013/epic.15835

Inbook
Olbers, D. and Völker, C. (1996)
Steady states and variability in oceanic zonal flows ,
In: Decadal Climate Variability (Dynamics and Predictability), D. Anderson and J. Willebrand (Eds.). Springer-Verlag, Berlin, pp .
hdl:10013/epic.12915

Thesis

Thesis -PhD
Völker, C. (1996)
Barokline Strömung über periodischer Topographie: Untersuchungen an analytischen und numerischen Modellen ,
PhD thesis, Universität Bremen.
hdl:10013/epic.14619

Thesis -Diplom
Völker, C. (1991)
Ein niederdimensionales Modell einer turbulenten Kanalströmung ,
Diplom thesis, Universität Bremen.
hdl:10013/epic.14618

Conference

Conference -Talk
Schourup-Kristensen, V. , Sidorenko, D. , Wolf-Gladrow, D. and Völker, C. (2014)
Integration of an ecosystem module into the finite element sea-ice ocean model ,
Advances in Marine Ecosystem Modelling Research Symposium, Plymouth, Great Britain, 30 June 2014 - 4 July 2014 .
hdl:10013/epic.43881
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Conference -Poster
Völker, C. , Tagliabue, A. and Ye, Y. (2014)
Sensitivity of the iron cycle to the cycling of organic ligands in a 3d biogeochemical model ,
SOPRAN annual meeting, Universitaet Bremen, 25 March 2014 - 26 March 2014 .
hdl:10013/epic.43333

Conference -Talk
Völker, C. and Tagliabue, A. (2014)
Sensitivity of the iron cycle to cycling of organic ligands in a 3D biogeochemical model ,
Ocean Sciences Meeting, Honolulu, Hawaii, USA, 24 February 2014 - 28 February 2014 .
hdl:10013/epic.43331
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Conference -Poster
Gao, S. , Völker, C. , Lohmann, G. , Butzin, M. and Wolf-Gladrow, D. (2014)
VARIATION OF GLACIAL-INTERGLACIAL MARINE SILICON ISOTOPIC COMPOSITIONS AND ITS POSSIBLE IMPLICATIONS—A MODELING STUDY ,
Ocean Sciences Meeting, Honolulu, Hawaii, USA, 24 February 2014 - 28 February 2014 .
hdl:10013/epic.43334

Conference -Invited talk
Völker, C. and Tagliabue, A. (2014)
Modelling the cycling of organic ligands in a 3D biogeochemical model ,
SCOR Working Group 139 Meeting, University of Hawaii, 23 February 2014 - 23 February 2014 .
hdl:10013/epic.43330

Conference -Poster
Köhler, P. , Völker, C. , Zhang, X. , Knorr, G. and Lohmann, G. (2013)
Simulation the impact of shifts in Southern Ocean westerlies at LGM on ocean physics and atmospheric CO2 ,
11th International Conference on Paleoceanography (ICP11), Barcelona, 1 September 2013 - 6 September 2013 .
hdl:10013/epic.41992
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Conference -Talk
Völker, C. , Holtz, L. M. , Wang, T. , Hauck, J. and Wolf-Gladrow, D. (2013)
Ground-truthing variable stoichiometry models ,
The 45th International Liège Colloquium: Primary Production in the Ocean: from the synoptic to the global scale, Liège, 13 May 2013 - 17 May 2013 .
hdl:10013/epic.41761

Conference -Poster
Loza, S. , Völker, C. , Losch, M. and Hohn, S. (2013)
Estimating Oceanic Export Production based on 3D coupled physical-biogeochemical modelling ,
The 45th International Liège Colloquium on Ocean Dynamics - The variability of primary production in the ocean: from the synoptic to the global scale, Liège (Belgium), 13 May 2013 - 17 May 2013 .
hdl:10013/epic.41526
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Conference -Poster
Hauck, J. , Völker, C. , Wang, T. , Hoppema, M. , Losch, M. and Wolf-Gladrow, D. (2013)
Response of carbon fluxes to the Southern Annular Mode: The role of export production and seasonality ,
The 45th International Liège Colloquium: Primary Production in the Ocean: from the synoptic to the global scale, 13 May 2013 - 17 May 2013 .
hdl:10013/epic.41523

Conference -Talk
Völker, C. , Holtz, L. M. , Hauck, J. , Wang, T. and Wolf-Gladrow, D. (2013)
Ground-truthing variable stoichiometry models ,
Marine Ecosystem Model Intercomparison Project meeting, Paris, 4 March 2013 - 6 March 2013 .
hdl:10013/epic.41203

Conference -Talk
Ye, Y. , Tagliabue, A. and Völker, C. (2013)
Cycling of organic Fe-binding ligands in a 3D biogeochemical model ,
American Society for Limnology and Oceanography Annual Meeting, New Orleans, USA, 17 February 2013 - 22 February 2013 .
hdl:10013/epic.41202

Conference -Talk
Köhler, P. , Völker, C. , Zhang, X. , Knorr, G. and Lohmann, G. (2012)
Simulating the impact of shifts in Southern Ocean westerlies at LGM on ocean physics and atmospheric CO2 ,
International Partnership in ICE Core Sciences, First Open Science Conference, Giens, France, 1 October 2012 - 5 October 2012 .
hdl:10013/epic.40088

Conference -Talk
Hauck, J. , Völker, C. , Wang, T. , Hoppema, M. , Losch, M. and Wolf-Gladrow, D. (2012)
The Southern Ocean in a high-CO2 world: Changes in inorganic and organic carbon fluxes ,
Third International Symposium on the Ocean in a High-CO2 World, Monterey, California, USA, 24 September 2012 - 27 September 2012 .
hdl:10013/epic.40096
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Conference -Talk
Hauck, J. , Krieger, M. , Hoppema, M. , Völker, C. and Wolf-Gladrow, D. (2012)
How well do we know anthropogenic carbon in the (deep) Weddell Sea? A preliminary assessment ,
International Weddell Gyre Workshop, Hanse Wissenschafskolleg, Delmenhorst, Germany, 17 September 2012 - 19 September 2012 .
hdl:10013/epic.40033

Conference -Talk
Hauck, J. , Völker, C. , Wang, T. , Losch, M. , Wolf-Gladrow, D. and Hoppema, M. (2012)
Southern Ocean response to the Annular Mode: Inorganic and organic carbon fluxes ,
Climate Change in High Latitudes, Bergen, Norway, 4 September 2012 - 6 September 2012 .
hdl:10013/epic.39953
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Conference -Poster
Wang, T. , Völker, C. , Hauck, J. , Hohn, S. and Wolf-Gladrow, D. (2012)
IMPACT OF DIATOM Si:N STOICHIOMETRY ON MARINE PRODUCTION AND PARTICLE EXPORT IN A GLOBAL MODEL ,
2012 ASLO Aquatic Sciences Meeting, Japan, 8 July 2012 - 13 July 2012 .
hdl:10013/epic.43150

Conference -Poster
Halloran, P. , Totterdell, I. and Völker, C. (2012)
An uncertain future for the North Atlantic CO2 sink ,
CarboChange annual meeting, Galway, Ireland, 7 March 2012 - 9 March 2012 .
hdl:10013/epic.39545
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Conference -Poster
Köhler, P. , Völker, C. , Zhang, X. , Knorr, G. and Lohmann, G. (2012)
Combined impact of shifts in Southern Ocean westerlies and Antarctic sea ice during LGM on atmospheric CO2 ,
EGU General Assembly 2012, Vienna, 22 April 2012 - 27 April 2012 .
hdl:10013/epic.39093
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Conference -Talk
Hauck, J. , Arrigo, K. R. , Hoppema, M. , van Dijken, G. L. , Völker, C. and Wolf-Gladrow, D. (2012)
Dissolution of Antarctic shelf carbonates: an insignificant feedback to acidification ,
EGU General Assembly, Vienna, 22 April 2012 - 27 April 2012 .
hdl:10013/epic.39351
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Conference -Talk
Köhler, P. , Hartmann, J. , Abrams, J. , Völker, C. and Wolf-Gladrow, D. (2012)
Geoengineering potential of enhanced dissolution of olivine on land and in the open ocean ,
Conference Planet Under Pressure, London, 26 March 2012 - 29 March 2012 .
hdl:10013/epic.39085

Conference -Poster
Köhler, P. , Abrams, J. , Völker, C. , Wolf-Gladrow, D. and Hartmann, J. (2012)
Impact of geoengineering with olivine dissolution on the carbon cycle and marine biology ,
EGU General Assembly 2012, Vienna, 22 April 2012 - 27 April 2012 .
hdl:10013/epic.39092
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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 -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
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 ,
BioAcid Annual Meeting 2011, Bremen, 26 September 2011 - 28 September 2011 .
hdl:10013/epic.38423

Conference -Poster
Wang, T. , Völker, C. and Wolf-Gladrow, D. (2011)
Modelling of the Si:N drawdown ratio in a global marine ecosystem model ,
AMEMR 2011, Plymouth, UK, 27 June 2011 - 30 June 2011 .
hdl:10013/epic.43149

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
Hauck, J. , Hoppema, M. , Bellerby, R. G. J. , Völker, C. and Wolf-Gladrow, D. (2011)
Decadal trend of anthropogenic carbon in the Weddell Sea ,
The Ocean Carbon Cycle at a Time of Change: Synthesis and Vulnerabilities, 14-16 September 2011, UNESCO, Paris, France. .
hdl:10013/epic.38115

Conference -Poster
Abrams, J. , Völker, C. , Wolf-Gladrow, D. and Köhler, P. (2011)
The Geoengineering Possibilities and Impact of Enhanced Silicate Weathering in the Ocean ,
Goldschmidt Conference, August 14-19, 2011, Prague, Czech Republic; Mineralogical Magazine, Vol. 75 (3) .
hdl:10013/epic.37506

Conference -Invited talk
Ye, Y. and Völker, C. (2011)
Why did dust addition lead to DFe decrease? ,
DUNE (DUst experiment in a low Nutrient, low chlorophyll Ecosystem) Workshop, Villefranche-sur-Mer.04.2011. http://www.obs-vlfr.fr/LOV/DUNE/communications.htm. .
hdl:10013/epic.37492

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 -Invited talk
Bellerby, R. G. J. , Nondal, G. , Hauck, J. , Assmann, K. , Hoppema, M. , Völker, C. and Wolf-Gladrow, D. (2010)
Large regional variability in Southern Ocean acidification: Implications for defining scenarios of future ecosystem health ,
XXXI SCAR Open Science Conference, 3-6 August 2010, Buenos Aires, Argentina. .
hdl:10013/epic.35648

Conference -Invited talk
Völker, C. , Tagliabue, A. and Ye, Y. (2010)
Recent insights about iron and consequences for modelling the global iron cycle ,
EU-COST 735 workshop on iron bioavailability in the surface ocean, Kiel.-02.02.2010. .
hdl:10013/epic.34611

Conference -Talk
Hauck, J. , Hoppema, M. , Bellerby, R. , Völker, C. and Wolf-Gladrow, D. (2009)
Data-based decadal anthropogenic CO2 accumulation in the Weddell Sea ,
Tracers in the Climate System, AWI/IUP Blockseminar, 6 July 2009, Bremerhaven. .
hdl:10013/epic.38169

Conference -Poster
Ye, Y. , Völker, C. and Wolf-Gladrow, D. (2009)
Impact of Dust Deposition on Fe speciation at the Tropical Eastern North Atlantic Time-Series Observatory site ,
ASLO Aquatic Sciences Meeting 2009, 25-30 Jan. in Nice, France. .
hdl:10013/epic.31865
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Conference -Talk
Hauck, J. , Hoppema, M. , Bellerby, R. G. J. , Völker, C. and Wolf-Gladrow, D. (2009)
Invasion of anthropogenic CO2 into the Weddell Sea on decadal scale and related acidification ,
8th International Carbon Dioxide Conference, September 13-19, Jena, Germany. .
hdl:10013/epic.33283

Conference -Poster
Ye, Y. , Völker, C. and Wolf-Gladrow, D. (2009)
Modelling the role of dust particles in Fe speciation and residence time ,
SOLAS Open Science Conference, 16-19 November 2009, Barcelona, Spain. .
hdl:10013/epic.34704
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Conference -Poster
Köhler, P. and Völker, C. (2009)
On the importance of Southern Ocean circulation change induced by wind and sea ice on glacial pCO2 ,
8th International Carbon Dioxide Conference, September 13-19, 2009, Jena, Germany.. .
hdl:10013/epic.32622
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Conference -Talk
Völker, C. , Loza, S. , Hohn, S. , Losch, M. and Wolf-Gladrow, D. (2009)
Photoadaptation and Chl:C ratios in a global ecosystem model ,
AWI-IUP Blockseminar "Ocean-Atmosphere Interactions and their Role in Global Change" 9.2.2009, Uni Bremen. .
hdl:10013/epic.31860

Conference -Talk
Bellerby, R. , Hauck, J. , Hoppema, M. , Monteiro, P. , Waldron, H. , Völker, C. and Wolf-Gladrow, D. (2009)
Southern ocean acidification: rates and regionality with ecological responses and climate feedbacks ,
5th EGU Alexander von Humboldt International Conference, 12-16 January 2009, Cape Town. .
hdl:10013/epic.33921

Conference -Invited talk
Ye, Y. and Völker, C. (2009)
The significance of dust in the iron cycle in the subtropical East Atlantic ,
AWI-IUP Blockseminar.02.2009. .
hdl:10013/epic.31866

Conference -Poster
Hohn, S. , Völker, C. , van Beusekom, J. and Schartau, M. (2008)
Carbon and Nitrogen Cycling in a Shallow Coastal Tidal Basin ,
AGU Fall Meeting, San Francisco, 15.-19. December 2008. .
hdl:10013/epic.31861

Conference -Conference paper
Losch, M. , Schröter, M. , Hohn, S. and Völker, C. (2008)
High-resolution modelling of phytoplankton distribution and adaptation. ,
NIC Symposium 2008 : symposium, 20-21 February 2008, Forschungszentrum Jülich ; proceedings / organized by John von Neumann Institute for Computing. Ed. by Gernot Münster ... Jülich : Forschungszentrum Jülich, 289-296. (NIC series ; 39) .
hdl:10013/epic.30099
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Conference -Poster
Völker, C. , Hohn, S. , Losch, M. , Loza, S. and Wolf-Gladrow, D. (2008)
Interannual Variability of Southern Ocean Diatom Production in a Model With Flexible Si:N:C:Chl Ratios ,
AGU Fall Meeting, San Francisco, 15.-19. december .
hdl:10013/epic.31862

Conference -Poster
Hauck, J. , Hoppema, M. , Völker, C. , Bellerby, R. and Wolf-Gladrow, D. (2008)
Observations of acidification in the Weddell Sea on a decadal time scale ,
Second Symposium on The Ocean in a High-CO2 World, Musée Océanographique, MonacoOctober 2008. .
hdl:10013/epic.31021

Conference -Poster
Hauck, J. , Hoppema, M. , Völker, C. , Bellerby, R. G. J. and Wolf-Gladrow, D. (2008)
Observations of acidification in the Weddell Sea on a decadal time scale ,
2008 AGU Fall Meeting, 15-19 December 2008, San Francisco, U.S.A. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract OS31A-1235. .
hdl:10013/epic.31843

Conference -Poster
Hauck, J. , Hoppema, M. , Völker, C. , Bellerby, R. G. J. and Wolf-Gladrow, D. (2008)
Observations of acidification in the Weddell Sea on a decadal time scale ,
CarboOcean 4th annual meeting, Dourdan, FranceDecember 2008. .
hdl:10013/epic.37468

Conference -Poster
Ye, Y. , Völker, C. and Wolf-Gladrow, D. (2008)
One-dimensional modelling of Iron Speciation at the Tropical Eastern North Atlantic Time-Series Observatory ,
Workshop: Iron biogeochemistry across marine systems at changing times, 14.-16.05.2008 in Goeteborg, Sweden. .
hdl:10013/epic.31867
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Conference -Poster
Hohn, S. , Völker, C. , Losch, M. and Wolf-Gladrow, D. (2008)
An ecosystem model for the Southern Ocean including variable Si:N:C:Chl ratios ,
AMEMR conference in Plymouth. .
hdl:10013/epic.30768

Conference -Poster
Ehrenberg, N. , Völker, C. and Wolf-Gladrow, D. (2007)
Relationships between dissolved iron and watermass characteristics: Indications of dust iron dissolution in the deep ocean? ,
GEOTRACES model-data synergy workshop, Hanse-Kolleg, Delmenhorst, Germany, Sep. 06-09 .
hdl:10013/epic.27649

Conference -Poster
Weber, L. , Völker, C. , Oschlies, A. and Burchard, H. (2007)
Time-scales for dissolved iron removal from the ocean: inferences from 1-d modelling ,
Geotraces model-data synergy workshop, Hanse-Kolleg Delmenhorst, GermanySep 2007. .
hdl:10013/epic.27650

Conference -Poster
Hohn, S. , Völker, C. , Losch, M. and Wolf-Gladrow, D. (2007)
An ecosystem model for the Southern Ocean including variable Si:N:C:Chl ratios ,
CARBOOCEAN annual meeting 2007 in Bremen. .
hdl:10013/epic.30023

Conference -Poster
Zondervan, I. and Völker, C. (2006)
Controls on the calcium carbonate to organic carbon production ratio in Emiliania huxleyi: a comparison with modelling approaches ,
EGU General Assembly 2-7 April 2006, Vienna, Austria. .
hdl:10013/epic.25156

Conference -Talk
Hohn, S. , Völker, C. , Schartau, M. , van Beusekom, J. , Löbl, M. and Wolf-Gladrow, D. (2006)
Modelling carbon and nitrogen regulated growth of phytoplankton in the Sylt-Romo-bight ,
Eoropean Geosciences Union, General Assembly 2006, 2-7 April, Vienna, Austria. .
hdl:10013/epic.25154

Conference -Poster
Ianson, D. , Völker, C. , Denman, K. L. , Kunze, E. and Steiner, N. (2006)
A biogeochemical patch model of the NE Pacific in situ iron fertilization experiment, SERIES ,
Invited poster, European Geosciences Union, Gereral Assembly 2006, 2-7 April, Vienna, Austria. .
hdl:10013/epic.25153

Conference -Talk
Hohn, S. , Völker, C. , Schartau, M. , Losch, M. and Wolf-Gladrow, D. (2006)
A process oriented parameterization for variable silica to nitrogen uptake ratios under different iron concentrations for marine diatoms ,
CARBOOCEAN annual meeting 2006 in Maspalomas (Gran Canaria). .
hdl:10013/epic.30031

Conference -Talk
Ianson, D. , Völker, C. and Denman, K. L. (2005)
Modelling the SERIES patch: The role of iron in the ecological evolution of the patch ,
Canadian Meteorological and Oceanographic Societyth Annual Congress: Sea to Sky. 31 May - 3 June, Vancouver, Canada. .
hdl:10013/epic.23181

Conference -Poster
Weber, L. , Völker, C. , Oschlies, A. and Schartau, M. (2005)
Modelling the vertical variation of iron in the oceanic mixed layer ,
European Geosciences Union, General Assembly 2005, 24-29 Apr., Vienna, Austria. .
hdl:10013/epic.22967

Conference -Talk
Ianson, D. , Völker, C. and Denman, K. L. (2004)
Modelled carbon fluxes in the NE Pacific SERIES iron fertilization experiment ,
PICES XIII, Honolulu, USA.-24. Oct. 2004. .
hdl:10013/epic.22214

Conference -Poster
Völker, C. and Denman, K. L. (2004)
Modelling climatological silicon dynamics at station P in the subarctic Pacific ,
SOLAS science 2004, Halifax, Canada.-16. Oct. 2004. .
hdl:10013/epic.22213

Conference -Talk
Denman, K. L. and Völker, C. (2004)
Modelling effects of community structure on the biogeochemical response to iron fertilization during the 2002 SERIES experiment ,
Ocean Research Conference, Honolulu, USA.-20. Feb. 2004. .
hdl:10013/epic.22210

Conference -Talk
Völker, C. and Denman, K. L. (2004)
Modelling silicon dynamics at station P in the subarctic Pacific ,
Ocean Research Conference, Honolulu, USA.-20. Feb. 2004. .
hdl:10013/epic.22211

Conference -Talk
Biastoch, A. , Böning, C. , Czeschel, L. and Völker, C. (2004)
Oceanic Uptake of Anthropogenic Trace Gases - Effects of Mesoscale Processes in Ocean Models ,
Ocean Sciences Meeting, Portland, USA.-30. Jan. 2004. .
hdl:10013/epic.22209

Conference -Poster
Schartau, M. , Losch, M. , Sprengel, C. and Völker, C. (2004)
A Series of Planktonic Ecosystem Models with an Identical Kernel ,
1st General Assembly of EGU, 25-30 Apr., Nice, France. .
hdl:10013/epic.20758
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Conference -Talk
Weber, L. , Völker, C. , Schartau, M. , Oschlies, A. and Wolf-Gladrow, D. (2004)
The iron speciation in the oceanic mixed layer: A modelling perspective ,
Ocean Research Conference, Honolulu, USA. - 20. Feb. 2004. .
hdl:10013/epic.22212

Conference -Poster
Völker, C. , Weber, L. , Schartau, M. and Wolf-Gladrow, D. (2003)
How simple can a model of Fe speciation in the mixed layer get? ,
EGS - AGU - EUG Joint Assembly,Nice, France, 07 - 11 April 2003. .
hdl:10013/epic.19074

Conference -Poster
Weber, L. , Völker, C. , Schartau, M. and Wolf-Gladrow, D. (2003)
Modeling the iron cycling in the mixed layer ,
EGS - AGU - EUG Joint Assembly, Nice, FranceApril 2003. .
hdl:10013/epic.19073

Conference -Talk
Schartau, M. , Engel, A. , Völker, C. , Wolf-Gladrow, D. and Schröter, J. (2003)
Modelled sensitivities of biogenic carbon fluxes to variations in carbon dioxide ,
EGS-AGU-EUG Joint Assembly, April 2003, Nice, France. .
hdl:10013/epic.19112

Conference -Talk
Denman, K. L. and Völker, C. (2003)
Modelling the July 2002 SERIES iron fertilization experiment ,
Canadian Meteorology and Oceanography Society annual Meeting, Ottawa, Canada. Jun. 2003. .
hdl:10013/epic.22216

Conference -Poster
Weber, L. , Völker, C. , Schartau, M. and Wolf-Gladrow, D. (2003)
A model of iron cycling in the mixed layer of the ocean ,
OCEANS: Ocean Biogeochemistry and Ecosystems Analysis, Paris, France. Jan. 2003. .
hdl:10013/epic.22215

Miscellaneous

Miscellaneous
Völker, C. (1997)
Continuation and Bifurcation Problems with MATLAB ,
[Miscellaneous]
hdl:10013/epic.14715

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