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Biogeosciences An interactive open-access journal of the European Geosciences Union

Special issue

Special issue

KEOPS2: Kerguelen Ocean and Plateau Study 2 Editor(s): S. Blain, I. Obernosterer, B. Queguiner, T. Trull, and G. Herndl More information Download citations of all papers: Bibtex EndNote Reference Manager
13 Nov 2015
Production regime and associated N cycling in the vicinity of Kerguelen Island, Southern Ocean
A. J. Cavagna, F. Fripiat, M. Elskens, P. Mangion, L. Chirurgien, I. Closset, M. Lasbleiz, L. Florez-Leiva, D. Cardinal, K. Leblanc, C. Fernandez, D. Lefèvre, L. Oriol, S. Blain, B. Quéguiner, and F. Dehairs
Biogeosciences, 12, 6515-6528, https://doi.org/10.5194/bg-12-6515-2015, 2015
01 Oct 2015
The biogeochemical structuring role of horizontal stirring: Lagrangian perspectives on iron delivery downstream of the Kerguelen Plateau
F. d'Ovidio, A. Della Penna, T. W. Trull, F. Nencioli, M.-I. Pujol, M.-H. Rio, Y.-H. Park, C. Cotté, M. Zhou, and S. Blain
Biogeosciences, 12, 5567-5581, https://doi.org/10.5194/bg-12-5567-2015, 2015
31 Jul 2015
Mesozooplankton structure and functioning during the onset of the Kerguelen phytoplankton bloom during the KEOPS2 survey
F. Carlotti, M.-P. Jouandet, A. Nowaczyk, M. Harmelin-Vivien, D. Lefèvre, P. Richard, Y. Zhu, and M. Zhou
Biogeosciences, 12, 4543-4563, https://doi.org/10.5194/bg-12-4543-2015, 2015
29 Jul 2015
Iron budgets for three distinct biogeochemical sites around the Kerguelen Archipelago (Southern Ocean) during the natural fertilisation study, KEOPS-2
A. R. Bowie, P. van der Merwe, F. Quéroué, T. Trull, M. Fourquez, F. Planchon, G. Sarthou, F. Chever, A. T. Townsend, I. Obernosterer, J.-B. Sallée, and S. Blain
Biogeosciences, 12, 4421-4445, https://doi.org/10.5194/bg-12-4421-2015, 2015
25 Jun 2015
High variability in dissolved iron concentrations in the vicinity of the Kerguelen Islands (Southern Ocean)
F. Quéroué, G. Sarthou, H. F. Planquette, E. Bucciarelli, F. Chever, P. van der Merwe, D. Lannuzel, A. T. Townsend, M. Cheize, S. Blain, F. d'Ovidio, and A. R. Bowie
Biogeosciences, 12, 3869-3883, https://doi.org/10.5194/bg-12-3869-2015, 2015
23 Jun 2015
Carbon export in the naturally iron-fertilized Kerguelen area of the Southern Ocean based on the 234Th approach
F. Planchon, D. Ballas, A.-J. Cavagna, A. R. Bowie, D. Davies, T. Trull, E. C. Laurenceau-Cornec, P. Van Der Merwe, and F. Dehairs
Biogeosciences, 12, 3831-3848, https://doi.org/10.5194/bg-12-3831-2015, 2015
09 Jun 2015
Carbon, oxygen and biological productivity in the Southern Ocean in and out the Kerguelen plume: CARIOCA drifter results
L. Merlivat, J. Boutin, and F. d'Ovidio
Biogeosciences, 12, 3513-3524, https://doi.org/10.5194/bg-12-3513-2015, 2015
02 Jun 2015
Export fluxes in a naturally iron-fertilized area of the Southern Ocean – Part 2: Importance of diatom resting spores and faecal pellets for export
M. Rembauville, S. Blain, L. Armand, B. Quéguiner, and I. Salter
Biogeosciences, 12, 3171-3195, https://doi.org/10.5194/bg-12-3171-2015, 2015
02 Jun 2015
Export fluxes in a naturally iron-fertilized area of the Southern Ocean – Part 1: Seasonal dynamics of particulate organic carbon export from a moored sediment trap
M. Rembauville, I. Salter, N. Leblond, A. Gueneugues, and S. Blain
Biogeosciences, 12, 3153-3170, https://doi.org/10.5194/bg-12-3153-2015, 2015
11 May 2015
Autonomous profiling float observations of the high-biomass plume downstream of the Kerguelen Plateau in the Southern Ocean
M. Grenier, A. Della Penna, and T. W. Trull
Biogeosciences, 12, 2707-2735, https://doi.org/10.5194/bg-12-2707-2015, 2015
26 Mar 2015
Fe and C co-limitation of heterotrophic bacteria in the naturally fertilized region off the Kerguelen Islands
I. Obernosterer, M. Fourquez, and S. Blain
Biogeosciences, 12, 1983-1992, https://doi.org/10.5194/bg-12-1983-2015, 2015
24 Mar 2015
Dissolved greenhouse gases (nitrous oxide and methane) associated with the naturally iron-fertilized Kerguelen region (KEOPS 2 cruise) in the Southern Ocean
L. Farías, L. Florez-Leiva, V. Besoain, G. Sarthou, and C. Fernández
Biogeosciences, 12, 1925-1940, https://doi.org/10.5194/bg-12-1925-2015, 2015
23 Mar 2015
Microbial iron uptake in the naturally fertilized waters in the vicinity of the Kerguelen Islands: phytoplankton–bacteria interactions
M. Fourquez, I. Obernosterer, D. M. Davies, T. W. Trull, and S. Blain
Biogeosciences, 12, 1893-1906, https://doi.org/10.5194/bg-12-1893-2015, 2015
17 Mar 2015
Early spring mesopelagic carbon remineralization and transfer efficiency in the naturally iron-fertilized Kerguelen area
S. H. M. Jacquet, F. Dehairs, D. Lefèvre, A. J. Cavagna, F. Planchon, U. Christaki, L. Monin, L. André, I. Closset, and D. Cardinal
Biogeosciences, 12, 1713-1731, https://doi.org/10.5194/bg-12-1713-2015, 2015
05 Mar 2015
Nitrogen cycling in the Southern Ocean Kerguelen Plateau area: evidence for significant surface nitrification from nitrate isotopic compositions
F. Dehairs, F. Fripiat, A.-J. Cavagna, T. W. Trull, C. Fernandez, D. Davies, A. Roukaerts, D. Fonseca Batista, F. Planchon, and M. Elskens
Biogeosciences, 12, 1459-1482, https://doi.org/10.5194/bg-12-1459-2015, 2015
05 Mar 2015
Use of Ra isotopes to deduce rapid transfer of sediment-derived inputs off Kerguelen
V. Sanial, P. van Beek, B. Lansard, M. Souhaut, E. Kestenare, F. d'Ovidio, M. Zhou, and S. Blain
Biogeosciences, 12, 1415-1430, https://doi.org/10.5194/bg-12-1415-2015, 2015
18 Feb 2015
Chemometric perspectives on plankton community responses to natural iron fertilisation over and downstream of the Kerguelen Plateau in the Southern Ocean
T. W. Trull, D. M. Davies, F. Dehairs, A.-J. Cavagna, M. Lasbleiz, E. C. Laurenceau-Cornec, F. d'Ovidio, F. Planchon, K. Leblanc, B. Quéguiner, and S. Blain
Biogeosciences, 12, 1029-1056, https://doi.org/10.5194/bg-12-1029-2015, 2015
17 Feb 2015
The relative importance of phytoplankton aggregates and zooplankton fecal pellets to carbon export: insights from free-drifting sediment trap deployments in naturally iron-fertilised waters near the Kerguelen Plateau
E. C. Laurenceau-Cornec, T. W. Trull, D. M. Davies, S. G. Bray, J. Doran, F. Planchon, F. Carlotti, M.-P. Jouandet, A.-J. Cavagna, A. M. Waite, and S. Blain
Biogeosciences, 12, 1007-1027, https://doi.org/10.5194/bg-12-1007-2015, 2015
06 Feb 2015
Sourcing the iron in the naturally fertilised bloom around the Kerguelen Plateau: particulate trace metal dynamics
P. van der Merwe, A. R. Bowie, F. Quéroué, L. Armand, S. Blain, F. Chever, D. Davies, F. Dehairs, F. Planchon, G. Sarthou, A. T. Townsend, and T. W. Trull
Biogeosciences, 12, 739-755, https://doi.org/10.5194/bg-12-739-2015, 2015
30 Jan 2015
Distributions and stoichiometry of dissolved nitrogen and phosphorus in the iron-fertilized region near Kerguelen (Southern Ocean)
S. Blain, J. Capparos, A. Guéneuguès, I. Obernosterer, and L. Oriol
Biogeosciences, 12, 623-635, https://doi.org/10.5194/bg-12-623-2015, 2015
30 Jan 2015
Origin and fate of particulate and dissolved organic matter in a naturally iron-fertilized region of the Southern Ocean
L. Tremblay, J. Caparros, K. Leblanc, and I. Obernosterer
Biogeosciences, 12, 607-621, https://doi.org/10.5194/bg-12-607-2015, 2015
17 Dec 2014
Rapid establishment of the CO2 sink associated with Kerguelen's bloom observed during the KEOPS2/OISO20 cruise
C. Lo Monaco, N. Metzl, F. D'Ovidio, J. Llort, and C. Ridame
Biogeosciences Discuss., 11, 17543-17578, https://doi.org/10.5194/bgd-11-17543-2014, 2014
Revised manuscript has not been submitted (discussion: closed, 4 comments)
11 Dec 2014
Validation of Thorpe-scale-derived vertical diffusivities against microstructure measurements in the Kerguelen region
Y.-H. Park, J.-H. Lee, I. Durand, and C.-S. Hong
Biogeosciences, 11, 6927-6937, https://doi.org/10.5194/bg-11-6927-2014, 2014
10 Dec 2014
Nitrogen fixation in the Southern Ocean: a case of study of the Fe-fertilized Kerguelen region (KEOPS II cruise)
M. L. González, V. Molina, L. Florez-Leiva, L. Oriol, A. J. Cavagna, F. Dehairs, L. Farias, and C. Fernandez
Biogeosciences Discuss., 11, 17151-17185, https://doi.org/10.5194/bgd-11-17151-2014, 2014
Revised manuscript not accepted (discussion: closed, 4 comments)
08 Dec 2014
Enhanced viral production and virus-mediated mortality of bacterioplankton in a natural iron-fertilized bloom event above the Kerguelen Plateau
A. Malits, U. Christaki, I. Obernosterer, and M. G. Weinbauer
Biogeosciences, 11, 6841-6853, https://doi.org/10.5194/bg-11-6841-2014, 2014
05 Dec 2014
Microbial food web dynamics during spring phytoplankton blooms in the naturally iron-fertilized Kerguelen area (Southern Ocean)
U. Christaki, D. Lefèvre, C. Georges, J. Colombet, P. Catala, C. Courties, T. Sime-Ngando, S. Blain, and I. Obernosterer
Biogeosciences, 11, 6739-6753, https://doi.org/10.5194/bg-11-6739-2014, 2014
26 Nov 2014
Wind-induced upwelling in the Kerguelen Plateau region
S. T. Gille, M. M. Carranza, R. Cambra, and R. Morrow
Biogeosciences, 11, 6389-6400, https://doi.org/10.5194/bg-11-6389-2014, 2014
30 Oct 2014
Pigments, elemental composition (C, N, P, and Si), and stoichiometry of particulate matter in the naturally iron fertilized region of Kerguelen in the Southern Ocean
M. Lasbleiz, K. Leblanc, S. Blain, J. Ras, V. Cornet-Barthaux, S. Hélias Nunige, and B. Quéguiner
Biogeosciences, 11, 5931-5955, https://doi.org/10.5194/bg-11-5931-2014, 2014
21 Oct 2014
Protist community composition during early phytoplankton blooms in the naturally iron-fertilized Kerguelen area (Southern Ocean)
C. Georges, S. Monchy, S. Genitsaris, and U. Christaki
Biogeosciences, 11, 5847-5863, https://doi.org/10.5194/bg-11-5847-2014, 2014
21 Oct 2014
Seasonal evolution of net and regenerated silica production around a natural Fe-fertilized area in the Southern Ocean estimated with Si isotopic approaches
I. Closset, M. Lasbleiz, K. Leblanc, B. Quéguiner, A.-J. Cavagna, M. Elskens, J. Navez, and D. Cardinal
Biogeosciences, 11, 5827-5846, https://doi.org/10.5194/bg-11-5827-2014, 2014
20 Oct 2014
Taxon-specific responses of Southern Ocean diatoms to Fe enrichment revealed by synchrotron radiation FTIR microspectroscopy
O. Sackett, L. Armand, J. Beardall, R. Hill, M. Doblin, C. Connelly, J. Howes, B. Stuart, P. Ralph, and P. Heraud
Biogeosciences, 11, 5795-5808, https://doi.org/10.5194/bg-11-5795-2014, 2014
20 Aug 2014
Rapid formation of large aggregates during the spring bloom of Kerguelen Island: observations and model comparisons
M.-P. Jouandet, G. A. Jackson, F. Carlotti, M. Picheral, L. Stemmann, and S. Blain
Biogeosciences, 11, 4393-4406, https://doi.org/10.5194/bg-11-4393-2014, 2014
12 May 2014
Surface currents and upwelling in Kerguelen Plateau regions
M. Zhou, Y. Zhu, F. d'Ovidio, Y.-H. Park, I. Durand, E. Kestenare, V. Sanial, P. Van-Beek, B. Queguiner, F. Carlotti, and S. Blain
Biogeosciences Discuss., 11, 6845-6876, https://doi.org/10.5194/bgd-11-6845-2014, 2014
Revised manuscript has not been submitted (discussion: closed, 2 comments)
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