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Items where Author is "Völker, Christoph"

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Number of items: 167.

Article

Panassa, E. , Santana-Casiano, J. M. , González Dávila, M. , Hoppema, M. , Van Heuven, S. M. A. C. , Völker, C. , Wolf-Gladrow, D. and Hauck, J. (2018)
Variability of nutrients and carbon dioxide in the Antarctic Intermediate Water between 1990 and 2014 ,

Ocean Dynamics, 68 (3), pp. 295-308 .

doi:https://doi.org/10.1007/s10236-018-1131-2 , hdl:10013/epic.a9ae3742-5335-4d9b-bb7a-293eaac95f33

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Article

Köhler, P. , Hauck, J. , Völker, C. , Wolf-Gladrow, D. A. , Butzin, M. , Halpern, J. B. , Rice, K. and Zeebe, R. E. (2018)
Comment on “Scrutinizing the carbon cycle and CO2 residence time in the atmosphere” by H. Harde ,

Global and Planetary Change, 164 , pp. 67-71 .

doi:https://doi.org/10.1016/j.gloplacha.2017.09.015 , hdl:10013/epic.8418b4e7-7b98-4a7f-acf6-8b9d1eb10de0

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Article

Ye, Y. and Völker, C. (2017)
On the role of dust-deposited lithogenic particles for iron cycling in the tropical and subtropical Atlantic ,

Global Biogeochemical Cycles .

doi:https://doi.org/10.1002/2017GB005663 , hdl:10013/epic.51857

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Article

Soppa, M. , Völker, C. and Bracher, A. (2016)
Diatom Phenology in the Southern Ocean: Mean Patterns, Trends and the Role of Climate Oscillations ,

Remote Sensing, 8 (420), pp. 1-17 .

doi:https://doi.org/10.3390/rs8050420 , hdl:10013/epic.47911

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Article

Hauck, J. , Köhler, P. , Wolf-Gladrow, D. and Völker, C. (2016)
Iron fertilisation and century-scale effects of open ocean dissolution of olivine in a simulated CO2 removal experiment ,

Environmental Research Letters, 11 (2), 024007 .

doi:https://doi.org/10.1088/1748-9326/11/2/024007 , hdl:10013/epic.46842

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Article

Laufkötter, C. , Vogt, M. , Gruber, N. , Aumont, O. , Bopp, L. , Doney, S. C. , Dunne, J. P. , Hauck, J. , John, J. , Lima, I. D. , Séférian, R. and Völker, C. (2016)
Projected decreases in future marine export production: the role of the carbon flux through the upper ocean ecosystem ,

Biogeosciences, 13 , pp. 4023-4047 .

doi:https://doi.org/10.5194/bg-13-4023-2016 , hdl:10013/epic.48383

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Article

Laufkötter, C. , Vogt, M. , Gruber, N. , Aita-Noguchi, M. , Aumont, O. , Bopp, L. , Buitenhuis, E. , Doney, S. , Dunne, J. , Hashioka, T. , Hauck, J. , Hirata, T. , John, J. , Le Quéré, C. , Lima, I. D. , Nakano, H. , Séférian, R. , Totterdell, I. , Vichi, M. and Völker, C. (2015)
Drivers and uncertainties of future global marine primary production in marine ecosystem models ,

Biogeosciences, 12 , pp. 6955-6984 .

doi:https://doi.org/10.5194/bg-12-6955-2015 , hdl:10013/epic.46433

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Article

Köhler, P. , Hauck, J. , Völker, C. and Wolf-Gladrow, D. (2015)
Interactive comment on “A simple model of the anthropogenically forced CO2 cycle” by W. Weber et al. ,

Earth System Dynamics Discussions, 6 , C813-C813 .

hdl:10013/epic.46282

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Article

Hauck, J. , Völker, C. , Wolf-Gladrow, D. , Laufkötter, C. , Vogt, M. , Aumont, O. , Bopp, L. , Buitenhuis, E. T. , Doney, S. D. , Dunne, J. , Gruber, N. , Hashioka, T. , John, J. , Le Quéré, C. , Lima, I. D. , Nakano, H. , Séférian, R. and Totterdell, I. (2015)
On the Southern Ocean CO2 uptake and the role of the biological carbon pump in the 21st century ,

Global Biogeochemical Cycles, 29 (9), pp. 1451-1470 .

doi:https://doi.org/10.1002/2015GB005140 , hdl:10013/epic.46040

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Article

Hauck, J. and Völker, C. (2015)
Rising atmospheric CO2 leads to large impact of biology on Southern Ocean CO2 uptake via changes of the Revelle factor ,

Geophysical Research Letters, 42 , pp. 1459-1464 .

doi:https://doi.org/10.1002/2015GL063070 , hdl:10013/epic.45163

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Article

Tagliabue, A. , Aumont, O. , DeAth, R. , Dunne, J. P. , Dutkiewicz, S. , Galbraith, E. , Misumi, K. , Moore, J. K. , Ridgwell, A. , Sherman, E. , Stock, C. , Vichi, M. , Völker, C. and Yool, A. (2015)
How well do global ocean biogeochemistry models simulate dissolved iron distributions? ,

Global Biogeochemical Cycles, 30 (2), pp. 149-147 .

doi:https://doi.org/10.1002/2015GB005289 , hdl:10013/epic.47571 Item availablity restricted.

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Article

Köhler, P. , Völker, C. , Knorr, G. and Bard, E. (2015)
High Latitude Impacts on Deglacial CO2: Southern Ocean Westerly Winds and Northern Hemisphere Permafrost Thawing ,

Nova Acta Leopoldina, 121 (409), pp. 135-140 .

hdl:10013/epic.45322

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Article

Schourup-Kristensen, V. , Sidorenko, D. , Wolf-Gladrow, D. A. and Völker, C. (2014)
A skill assessment of the biogeochemical model REcoM2 coupled to the Finite Element Sea Ice–Ocean Model (FESOM 1.3) ,

Geoscientific Model Development, 7 (6), pp. 2769-2802 .

doi:https://doi.org/10.5194/gmd-7-2769-2014 , hdl:10013/epic.44432

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Article

Völker, C. and Tagliabue, A. (2014)
Modeling organic iron-binding ligands in a three-dimensional biogeochemical ocean model ,

Marine Chemistry .

doi:https://doi.org/10.1016/j.marchem.2014.11.008 , hdl:10013/epic.44740

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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:https://doi.org/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. (2014)
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:https://doi.org/10.1002/2013GB004600 , hdl:10013/epic.43061

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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:https://doi.org/10.1002/2013PA002556 , hdl:10013/epic.42798

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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:https://doi.org/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:https://doi.org/10.1029/2011GB004211 , hdl:10013/epic.40778

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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:https://doi.org/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:https://doi.org/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:https://doi.org/10.1029/2010GB004008 , hdl:10013/epic.39797

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Article

Hauck, J. , Hillenbrand, C. D. , Hoppema, M. , Kuhn, G. , Nehrke, G. , Völker, C. and Wolf-Gladrow, D. (2011)
Interactive comment on “Ocean acidification: setting the record straight” by A. J. Andersson and F. T. Mackenzie ,

Biogeosciences Discussions, 8 , C2056-C2059 .

hdl:10013/epic.46443

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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:https://doi.org/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:https://doi.org/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:https://doi.org/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:https://doi.org/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

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:https://doi.org/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:https://doi.org/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:https://doi.org/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:https://doi.org/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:https://doi.org/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:https://doi.org/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

Rhein, M. , Strass, V. , Huhn, O. , Rabe, B. , Kanzow, T. , Schulz, M. , Mulitza, S. , Hebbeln, D. , Lohmann, G. , Kucera, M. , Hoppema, M. , Schlitzer, R. , Koch, B. , Wolf-Gladrow, D. , Timmermann, R. , Hellmer, H. , Schauer, U. , Braun, M. , Humbert, A. , Hauck, J. and Völker, C. (2017)
Polare Ozeane / Heinemann, G. , Braun, M. , Brey, T. , Damaske, D. , Melles, M. , Rhein, M. and Willmes, S. (editors) ,

In: Polarforschungsagenda 2030 - Status und Perspektiven der deutschen Polarforschung, Polarforschungsagenda 2030 - Status und Perspektiven der deutschen Polarforschung, Trier, Deutsches Nationalkomitee SCAR/IASC, 156 p., ISBN: 978-3-00-057242-5 .

hdl:10013/epic.51661

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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 -Poster

Alvarez, E. , Thoms, S. , Bracher, A. , Liu, Y. and Völker, C. (2018)
Prediction of photo-protective carotenoids at global scale ,

Ocean Optics Conference XXIV, Dubrovnik, 7 October 2018 - 12 October 2018 .

hdl:10013/epic.1f9a1bd6-2b17-4ac1-b9ad-2d8b53d75879

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Conference -Talk

Ye, Y. and Völker, C. (2018)
Steps towards a global model of photochemical cycling of iron ,

Workshop: Identifying and Characterizing the Processes Controlling Iron Speciation and Residence Time at the Atmosphere-Ocean Interface, Telluride, USA, 30 July 2018 - 4 August 2018 .

hdl:10013/epic.e1dbdaf6-6cc5-45a6-8cb6-a3f5196c738c

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Conference -Poster

Panassa, E. , Santana Casiano, J. M. , Golzalez Davila, M. , Hoppema, M. , van Heuven, S. , Völker, C. , Wolf-Gladrow, D. and Hauck, J. (2018)
Variability of nutrients and carbon dioxide in the Antarctic Intermediate Water between 1990 and 2014 ,

EGU 2018, Vienna, 8 April 2018 - 13 April 2018 .

hdl:10013/epic.528f5794-0baf-42b0-b964-c7c54e959773

Conference -Poster

Ye, Y. , Pagnone, A. , Wang, T. , Hohn, S. , Völker, C. and Wolf-Gladrow, D. (2018)
Si:N drawdown ratio in the glacial ocean and its biogeochemical impact ,

PalMode Open Science Conference, Vienna, Austria, 6 April 2018 - 8 April 2018 .

hdl:10013/epic.b883a641-ff5f-40fd-b621-019bacd684f6

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Conference -Talk

Pagnone, A. , Ye, Y. and Völker, C. (2018)
The role of remineralisation and scavenging in shaping the vertical profiles of iron in the Atlantic Ocean ,

Ocean Sciences Meeting, Portland, Orgegon, 12 February 2018 - 16 February 2018 .

hdl:10013/epic.81797aff-634d-46e8-aa01-614298d2923b

Conference -Poster

Köhler, P. , Butzin, M. , Ye, Y. and Völker, C. (2018)
Stable carbon isotopes in the glacial ocean investigated with the REcoM marine ecosystem model ,

OC3-iPODS Workshop, Cambridge, U.K., 6 September 2018 - 9 September 2018 .

hdl:10013/epic.ffedc492-ae9a-4283-8173-99adf743f086

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Conference -Poster

Butzin, M. , Köhler, P. and Völker, C. (2018)
A study of glacial–interglacial variations of the marine stable carbon isotope record using a non-Redfield biogeochemical model ,

PalMod International Open Science Conference, Vienna, 7 April 2018 - 8 April 2018 .

hdl:10013/epic.04a7f72e-36ca-421e-a833-71ebea134d00

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Conference -Poster

Butzin, M. , Köhler, P. and Völker, C. (2018)
A study of glacial–interglacial variations of the marine stable carbon isotope record using a non-Redfield biogeochemical model ,

European Geosciences Union General Assembly 2018, Vienna, 8 April 2018 - 13 April 2018 .

hdl:10013/epic.424af2ba-acf0-4cf3-aa5e-4b06da632b1d

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Conference -Talk

Ye, Y. and Völker, C. (2017)
On the role of dust particles for iron cycling in the tropical and subtropical Atlantic ,

Goldschmidt Conference, Paris, France, 13 August 2017 - 18 August 2017 .

hdl:10013/epic.51556

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Conference -Poster

Gao, S. , Völker, C. and Wolf-Gladrow, D. (2017)
Glacial-interglacial changes in marine silicon isotopic composition ,

International Carbon Dioxide Coference, Interlaken, Schweiz, 20 August 2017 - 25 August 2017 .

hdl:10013/epic.51572

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Conference -Talk

Pradhan, H. K. , Völker, C. , Nerger, L. and Bracher, A. (2017)
Assimilation of OC-CCI data into the coupled ocean-biogeochemical model MITgcm-REcoM ,

EGU 2017, Vienna, Austria, 23 April 2017 - 28 April 2017 .

hdl:10013/epic.50813

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Conference -Talk

Ye, Y. and Völker, C. (2017)
Dust, iron and marine biology ,

Luncheon Seminar of State Key Laboratory of Marine Environmental Science at Xiamen University, Xiamen, China, 24 April 2017 - 24 April 2017 .

hdl:10013/epic.51555

Conference -Talk

Alvarez, E. and Völker, C. (2017)
Chlorophyll to carbon ratio derived from an ecosystem model with explicit photodamage ,

ASLO Aquatic Sciences Meeting, Honolulu-Hawaii, USA, 26 February 2017 - 3 March 2017 .

hdl:10013/epic.f09529b1-2d58-4cdd-9620-bb138a92a460

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Conference -Poster

Butzin, M. , Köhler, P. , Völker, C. and Zhang, X. (2017)
Exploring glacial–interglacial variations of the marine carbon isotope record with RECOM-ciso ,

10th International Carbon Dioxide Conference, Interlaken, 21 August 2017 - 25 August 2017 .

hdl:10013/epic.848b3272-b657-47a7-80fe-424948eb9d45

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Conference -Invited talk

Völker, C. and Ye, Y. (2016)
The role of dust in the cycling of iron in the ocean ,

Leipziger Meteorologisches Kolloquium, TROPOS Leibniz Institut für Troposphärenforschung, 3 November 2006 - 3 November 2016 .

hdl:10013/epic.48900

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Conference -Poster

Pradhan, H. K. , Völker, C. , Losa, S. N. and Nerger, L. (2016)
Assimilation of OC-CCI data for parameter estimation in the coupled ocean biogeochemical model MITgcm-REcoM ,

Colour and Light in the Ocean from Earth Observation (CLEO), ESA Centre for Earth Observation (ESRIN), Frascati, Italy, 6 September 2016 - 8 September 2016 .

hdl:10013/epic.48619

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Conference -Talk

Völker, C. , Jacques, C. and Hauck, J. (2016)
Drivers of the Chl:C ratio in global model runs with dynamic photoacclimation and its impact on modeled primary production ,

European Geosciences Union General Assembly 2016, 17 April 2016 - 22 April 2016 .

hdl:10013/epic.47875

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Conference -Poster

Panassa, E. , Hauck, J. , Völker, C. , Hoppema, M. and Wolf-Gladrow, D. (2016)
Observed chlorophyll trends in the Southern Ocean over 1997-2012 and associated mechanisms ,

European Geosciences Union General Assembly 2016, Vienna, 17 April 2016 - 22 April 2016 .

hdl:10013/epic.47876

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Conference -Talk

Ye, Y. , Völker, C. and Tagliabue, A. (2016)
Prognostic modelling of iron-binding ligands in a global biogeochemical model and its effect on iron distribution ,

Ocean Sciences Meeting, New Orleans, USA, 21 February 2016 - 26 February 2016 .

hdl:10013/epic.48910

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Conference -Talk

Soppa, M. , Völker, C. and Bracher, A. (2016)
Interannual variability of diatom phenology in the Southern Ocean ,

2016 Ocean Sciences Meeting, New Orleans, 21 February 2016 - 26 February 2016 .

hdl:10013/epic.d7e15731-24f2-4eab-a33a-b20fa06f87ed

Conference -Talk

Alvarez, E. and Völker, C. (2016)
Variability in the Chlorophyll to Carbon ratio: contrasting in situ and satellite data with models ,

Colour and Light in the Ocean from Earth Observation (CLEO), ESA-ESRIN Frascatti, Italy, 6 September 2016 - 8 September 2016 .

hdl:10013/epic.0befdccf-6840-4493-942d-6c3579905e49

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Conference -Talk

Völker, C. (2015)
Nonlinearities in seawater carbonate chemistry and the distribution of anthropogenic carbon uptake ,

Seminar Ocean, Ice, Atmosphere, University of Bremen, Department of Environmental Physics, 10 November 2015 - 10 November 2015 .

hdl:10013/epic.46248

Preview

Conference -Invited talk

Köhler, P. , Hauck, J. , Völker, C. and Wolf-Gladrow, D. (2015)
Dissolution of olivine (potential, side effects) in simulated CO2 removal experiments — enhanced weathering, ocean alkalinization, ocean fertilization ,

Oxford Greenhouse Gas Removal Conference, Oxford, UK, 30 September 2015 - 2 October 2015 .

hdl:10013/epic.46072

Preview

Conference -Poster

Hauck, J. and Völker, C. (2015)
Rising atmospheric CO2 leads to large impact of biology on Southern OCean CO2 uptake via changes of the Revelle factor ,

The SOOS/WCRP/ESA Workshop on Southern Ocean air-sea fluxes, ESA, Frascati, Italy, 21 September 2015 - 23 September 2015 .

hdl:10013/epic.46030

Preview

Conference -Poster

Panassa, E. , Hauck, J. , Völker, C. , Hoppema, M. and Wolf-Gladrow, D. (2015)
Trends in the Southern Ocean Mixed Layer and Chlorophyll over the period 1990-2012 from Observations ,

SOOS-WCRP-ESA Workshop on Southern Ocean Surface Fluxes, Frascati, Italy, 21 September 2015 - 23 September 2015 .

hdl:10013/epic.46350

Preview

Conference -Poster

Panassa, E. , Hauck, J. , Völker, C. , Hoppema, M. and Wolf-Gladrow, D. (2015)
Response of Southern Ocean circulation and chlorophyll to the Southern Annular Mode over the period 1990-2012 from observations ,

SOLAS conference, Kiel germany, 7 September 2015 - 11 September 2015 .

hdl:10013/epic.46332

Conference -Poster

Hauck, J. , Völker, C. , Wolf-Gladrow, D. , Laufkötter, C. , Vogt, M. , Aumont, O. , Bopp, L. , Buitenhuis, E. T. , Doney, S. C. , Dunne, J. , Gruber, N. , Hashioka, T. , John, J. , Le Quéré, C. , Lima, I. D. , Nakano, H. , Séférian, R. and Tottderdell, I. (2015)
A multi-model study on Southern Ocean CO2 uptake and the role of the biological carbon pump in the 21st century ,

SOLAS Open Science Conference, Kiel, 7 September 2015 - 11 September 2015 .

hdl:10013/epic.46029

Preview

Conference -Invited talk

Ye, Y. and Völker, C. (2015)
Double role of dust particles as iron supply and scavengers in the tropical eastern North Atlantic ,

SOPRAN final meeting, Kiel, Germany, 7 September 2015 - 7 September 2015 .

hdl:10013/epic.46296

Conference -Poster

Ye, Y. , Völker, C. and Tagliabue, A. (2015)
Representation of Fe complexation by 2 ligands in a global biogeochemical model and its effects on Fe solubility and distribution ,

SOLAS Meeting, Kiel, 7 September 2015 - 11 September 2015 .

hdl:10013/epic.46297

Conference -Talk

Köhler, P. , Hauck, J. , Völker, C. and Wolf-Gladrow, D. (2015)
The role of iron during the open ocean dissolution of olivine in a simulated CO2 removal experiment — enhanced weathering, ocean alkalinization, ocean fertilization ,

Climate Engineering Research Symposium 2015, Berlin, 7 July 2015 - 10 July 2015 .

hdl:10013/epic.45795

Conference -Invited talk

26th General Assembly 2015 of the International Union of Geodesy and Geophysics (IUGG), Prague, Czechia, 22 June 2015 - 2 July 2015 .

hdl:10013/epic.45794

Conference -Poster

Schourup-Kristensen, V. , Hauck, J. , Losch, M. , Wolf-Gladrow, D. and Völker, C. (2015)
Iron supply to the Southern Ocean mixed layer from below; the ocean model effect ,

EGU General Assembly, Vienna, Austria, 13 April 2015 - 17 April 2015 .

hdl:10013/epic.45382

Preview

Conference -Poster

Hauck, J. , Völker, C. , Wolf-Gladrow, D. , Laufkötter, C. , Vogt, M. , Aumont, O. , Bopp, L. , Buitenhuis, E. , Doney, S. , Dunne, J. , Gruber, N. , Hashioka, T. , John, J. , Le Quéré, C. , Lima, I. , Nakano, H. , Séférian, R. and Totterdell, I. (2015)
A multi-model study on the Southern Ocean CO2 uptake and the role of the biological carbon pump in the 21st century ,

EGU General Assembly 2015, Vienna, 12 April 2015 - 17 April 2015 .

hdl:10013/epic.45429

Preview

Conference -Talk

Ye, Y. , Völker, C. and Tagliabue, A. (2015)
How complicated do models of iron-binding ligands have to be? ,

Organic Ligands - A Key Control on Trace Metal Biogeochemistry in the Ocean, Šibenik, Croatia, 7 April 2015 - 11 April 2015 .

hdl:10013/epic.45719

Conference -Invited talk

Völker, C. and Tagliabue, A. (2015)
Representation of organic complexation in biogeochemical models and its effect on the cycling of iron in the ocean ,

SCOR WG 139 workshop and symposium: Organc ligands, a key control on dissolved trace metals in the ocean, Sibenik, Croatia, 8 April 2015 - 11 April 2015 .

hdl:10013/epic.45391

Preview

Conference -Talk

Schourup-Kristensen, V. , Hauck, J. , Losch, M. , Wolf-Gladrow, D. and Völker, C. (2015)
Iron supply to the Southern Ocean mixed layer from below; the ocean model effect ,

3rd International Symposium; Effects of Climate Change on the World's Oceans, Santos, Brazil, 23 March 2015 - 27 March 2015 .

hdl:10013/epic.45387

Preview

Conference -Invited talk

Köhler, P. , Völker, C. , Knorr, G. and Bard, E. (2015)
High Latitude Impacts on Deglacial CO2: Southern Ocean Westerly Winds and Northern Hemisphere Permafrost Thawing ,

Leopoldina Symposium on Deglacial changes in ocean dynamics and atmospheric CO2, German National Academy of Sciences Leopoldina, Halle (Saale), Germany, 18 March 2015 - 21 March 2015 .

hdl:10013/epic.46261

Conference -Poster

Ye, Y. , Völker, C. and Wolf-Gladrow, D. (2015)
Key processes of the cycle of organic Fe-binding ligands: a sensitivity study in 3D biogeochemical model ,

SOPRAN annual meeting, Mainz, Germany, 17 March 2015 - 18 March 2015 .

hdl:10013/epic.45720

Preview

Conference -Talk

Hauck, J. and Völker, C. (2015)
Increasing atmospheric CO2 leads to large impact of biology on Southern Ocean CO2 uptake via changes of the Revelle factor ,

CarboChange Final Meeting 2015, Radisson Blu Hotel Norge, Bergen, Norway, 19 January 2015 - 22 January 2015 .

hdl:10013/epic.44886 Item availablity restricted.

Preview

Conference -Poster

Hauck, J. , Völker, C. and MAREMIP team, t. (2015)
A multi-model study on Southern Ocean CO2 uptake and the role of the biological carbon pump in the 21st century ,

CarboChange Final Meeting, Radisson Blu Hotel Norge, Bergen, Norway, 19 January 2015 - 21 January 2015 .

hdl:10013/epic.44887

Conference -Talk

Völker, C. (2014)
Dust, marine biological productivity and the role of iron ,

Seminar physische Geographie und Klimatologie, RWTH Aachen, 6 November 2014 - 6 November 2014 .

hdl:10013/epic.44355

Conference -Talk

Hauck, J. , Köhler, P. , Abrams, J. , Völker, C. and Wolf-Gladrow, D. (2014)
Impact of open ocean dissolution of olivine on atmospheric CO2, surface ocean pH and the biological carbon pump ,

Climate Engineering Conference, Scandic Hotel, Berlin, Germany, 18 August 2014 - 21 August 2014 .

hdl:10013/epic.44883

Preview

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

Preview

Conference -Talk

Völker, C. , Wolf-Gladrow, D. and Hauck, J. (2014)
Scenarios for the Southern Ocean in the 21st century - Physical and lower trophical level changes ,

IMBER Future Oceans Conference, Bergen, Norway, 23 June 2014 - 27 June 2014 .

hdl:10013/epic.44884

Conference -Poster

Völker, C. and Hauck, J. (2014)
Controls on the modelled phytoplankton seasonal cycle in the Southern Ocean ,

CarboChange Annual Meeting, Marine Research Institute and University of Iceland, Reykjavik, Iceland, 7 April 2014 - 10 April 2014 .

hdl:10013/epic.44885

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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 -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 -Talk

Bellerby, R. , Olsen, A. , Nondal, G. , Slagstad, D. , Taucher, J. , Hauck, J. , Bethke, I. , Jeansson, E. , Årthun, M. , Omar, A. , Skjelvan, I. , Assmann, K. M. , Bopp, L. , Johannessen, T. , Hoppema, M. , Völker, C. , Wolf-Gladrow, D. , Tyrrell, T. , Findlay, H. and Frigstad, H. (2010)
Ocean acidification response to surface ocean conditioning and transport - processes influencing anthropogenic carbon change in the Arctic and Southern oceans ,

International Polar Year - Oslo Science Conference, Oslo, Norway, 8 June 2010 - 12 June 2010 .

hdl:10013/epic.45688

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Preview

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

Völker, C. (1997)
Continuation and Bifurcation Problems with MATLAB ,

[Miscellaneous]

hdl:10013/epic.14715

This list was generated on Thu May 23 04:35:54 2019 CEST.

Alfred-Wegener-Institut
Helmholtz-Zentrum für Polar-
und Meeresforschung

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