Sabrina SPEICH


Refereed Articles


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In review 

Dayan, H., G. Le Gozannet, S. Speich, R. Thiéblemont. 2020. High-end scenarios of sea-level rise for coastal risk-averse stakeholders. Frontiers in Marine Science. Under review.

M. Cornec, R. Laxenaire, S. Speich, and H. Claustre, 2021. Impact Of Mesoscale Eddies On Deep Chlorophyll Maxima. Geophys. Res. Lett. Submitted.

Stevens , B. et al., 2020. EUREC4A. Earth System Science Data


2021 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Reverdin, G., L. Olivier, G. R. Foltz, S. Speich, J. Karstensen, J. Horstmann, D. Zhang, R. Laxenaire, X. Carton, H. Branger, R. Carrasco, J. Boutin. Formation and evolution of a freshwater plume in the northwestern tropical Atlantic in February 2020. J. Geophys. Res. doi: 10.1029/2020JC016981.

Kersalé, M., C. S. Meinen, R. C. Perez, A. R. Piola, S. Speich, E. J. D. Campos, S. L. Garzoli, I. Ansorge, D. L. Volkov, M. Le Hénaff, S. Dong, T. Lamont, O. T. Sato, M. van den Berg, 2020. Multi-Year Estimates of the Atlantic Meridional Overturning Circulation at 34.5°S: Daily Volume and Heat Transports. J. Geophys. Res. Accepted.

Bosser, P., Bock, O., Flamant, C., Bony, S., and Speich, S.: Integrated water vapour content retrievals from ship-borne GNSS receivers during EUREC4A, Earth Syst. Sci. Data Discuss. [preprint],, in review, 2020.

Stephan, C. C., Schnitt, S., Schulz, H., Bellenger, H., de Szoeke, S. P., Acquistapace, C., Baier, K., Dauhut, T., Laxenaire, R., Morfa-Avalos, Y., Person, R., Quiñones Meléndez, E., Bagheri, G., Böck, T., Daley, A., Güttler, J., Helfer, K. C., Los, S. A., Neuberger, A., Röttenbacher, J., Raeke, A., Ringel, M., Ritschel, M., Sadoulet, P., Schirmacher, I., Stolla, M. K., Wright, E., Charpentier, B., Doerenbecher, A., Wilson, R., Jansen, F., Kinne, S., Reverdin, G., Speich, S., Bony, S., and Stevens, B.: Ship- and island-based atmospheric soundings from the 2020 EUREC4A field campaign, Earth Syst. Sci. Data, 13, 491–514,, 2021.

Manta, G., S. Speich, J. Karstensen, R. Hummels , M. Kersalé, R. Laxenaire , A. Piola, M. P. Chidichimo, O. T. Sato, L. Cotrim da Cunha, I. Ansorge, T. Lamont,, M.A. van den Berg, U. Schuster, T. Tanhua , R. Kerr, R. Guerrero, E. Campos, and C. S. Meinen, 2020. The South Atlantic Meridional Overturning Circulation and Mesoscale Eddies in the First GO-SHIP Section at 34.5ºS. Submitted to J. of Geophys. Res.

2020 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Wong, A., et al., 2020. Argo data 1999-2019: two million temperature-salinity profiles and subsurface velocity observations from a global array of profiling floats. Front. Mar. Sci. | doi: 10.3389/fmars.2020.00700.

Laxenaire, R., S. Speich, A. Stegner, 2020: Heat transport achieved by Agulhas Rings in the South Atlantic estimated by combining satellite altimetry and Argo float vertical profiles. J. Geophys. Res.

Blunden, J. and D. S. Arndt, Eds., 2020: State of the Climate in 2019. Bull. Amer. Meteor. Soc., 101 (8), Si–S429, 

Kersalé, M., C. S. Meinen, R. C. Perez, M. Le Hénaff, D. Valla, T. Lamont, O. T. Sato, S. Dong, T. Terre, M. van Caspel, M. P. Chidichimo, M. van den Berg, S. Speich, A. R. Piola, E. J. D. Campos, I. Ansorge, D. L. Volkov, R. Lumpkin, S. L. Garzoli, 2020. Highly variable upper and abyssal overturning cells in the South Atlantic. Sci. Adv. 6, eaba7573 (2020). DOI: 10.1126/sciadv.aba7573.

Ioannou, A., Stegner, A., Dubos, T., Le Vu, B., & Speich, S. (2020). Generation and intensification of mesoscale anticyclones by orographic wind jets: The case of Ierapetra eddies forced by the Etesians. Journal of Geophysical Research: Oceans, 125, e2019JC015810.

Close, S., T. Penduff, S. Speich, and J.-M. Molines : A means of estimating the intrinsic and atmospherically-forced contributions to sea surface height variability applied to altimetric observations. Progress in Oceanography, 184, May 2020.

2019 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Ibarbalz, F. M., N. Henry, M. C. Branda et al., 2019: Global Trends in Marine Plankton Diversity across Kingdoms of Life. Cell, doi: 10.1016/j.cell.2019.10.008

Salazar, G., L. Paoli, A. Alberti et al., 2019: Gene Expression Changes and Community Turnover Differentially Shape the Global Ocean Metatranscriptome. Cell, doi: 10.1016/j.cell.2019.10.014

Ioannou, A., A. Stegner, A. Tuel, B. LeVu, F. Dumas, S. Speich, 2019: Cyclostrophic corrections of AVISO/DUACS surface velocities and its application to mesoscale eddies in the Mediterranean Sea. J. Geophys. Res. Accepted.

Laxenaire, R., S. Speich, A. Stegner, 2019: Evolution of the thermohaline structure of one Agulhas Ring reconstructed from satellite altimetry and Argo floats. J. Geophys. Res. Accepted.

Speich S, Lee T, Muller-Karger F, Lorenzoni L, Pascual A, Jin D, Delory E, Reverdin G, Siddorn J, Lewis MR, Marba N, Buttigieg PL, Chiba S, Manley J, Kabo-Bah AT, Desai K and Ackerman A (2019) Editorial: Oceanobs’19: An Ocean of Opportunity. Front. Mar. Sci. 6:570. doi: 10.3389/fmars.2019.00570

d’Ovidio F, Pascual A, Wang J, Doglioli AM, Jing Z, Moreau S, Grégori G, Swart S, Speich S, Cyr F, Legresy B, Chao Y, Fu L and Morrow RA (2019) Frontiers in Fine-Scale in situ Studies: Opportunities During the SWOT Fast Sampling Phase. Front. Mar. Sci. 6:168. doi: 10.3389/fmars.2019.00168

Schmidt JO, Bograd SJ, Arrizabalaga H, Azevedo JL, et al. (2019) Future Ocean Observations to Connect Climate, Fisheries and Marine Ecosystems. Front. Mar. Sci. 6:550. doi: 10.3389/fmars.2019.00550

Benveniste J, Cazenave A, Vignudelli S, Fenoglio-Marc L, et al. (2019) Requirements for a Coastal Hazards Observing System. Front. Mar. Sci. 6:348. doi: 10.3389/fmars.2019.00348 

Foltz GR, Brandt P, Richter I, Rodríguez-Fonseca B, et al. (2019) The Tropical Atlantic Observing System. Front. Mar. Sci. 6:206. doi: 10.3389/fmars.2019.00206

Frajka-Williams, Eleanor; Ansorge, Isabelle J.; Baehr, Johanna; et al. 2019 Atlantic Meridional Overturning Circulation: Observed Transport and Variability. Frontiers in Marine Science, 6.

Meyssignac B, Boyer T, Zhao Z, Hakuba MZ, et al. (2019) Measuring Global Ocean Heat Content to Estimate the Earth Energy Imbalance. Front. Mar. Sci. 6:432. doi: 10.3389/fmars.2019.00432

Palmer, M. D., P. Durack, M. P. Chidichimo, J. Church, S. E Cravatte, K. L. Hill, J. Johannessen, J. Karstensen, T. Lee, D. Legler, M. Mazloff, E. Oka, S. Purkey, B. Rabe, J.-B. Sallée, B. M. Sloyan, S. Speich, K. von Schuckmann, J. Willis and S.E. Wijffels (2019) Adequacy of the ocean observation system for quantifying regional heat and freshwater storage and change. Front. Mar. Sci. | doi: 10.3389/fmars.2019.00416.

Sloyan BM, Wilkin J, Hill KL, Chidichimo MP, Cronin MF, Johannessen JA, Karstensen J, Krug M, Lee T, Oka E, Palmer MD, Rabe B, Speich S, von Schuckmann K, Weller RA and Yu W (2019) Evolving the Physical Global Ocean Observing System for Research and Application Services Through International Coordination. Front. Mar. Sci. 6:449. doi: 10.3389/fmars.2019.00449

Stammer D, Bracco A, AchutaRao K, Beal L, Bindoff NL, Braconnot P, Cai W, Chen D, Collins M, Danabasoglu G, Dewitte B, Farneti R, Fox-Kemper B, Fyfe J, Griffies SM, Jayne SR, Lazar A, Lengaigne M, Lin X, Marsland S, Minobe S, Monteiro PMS, Robinson W, Roxy MK, Rykaczewski RR, Speich S, Smith IJ, Solomon A, Storto A, Takahashi K, Toniazzo T and Vialard J (2019) Ocean Climate Observing Requirements in Support of Climate Research and Climate Information. Front. Mar. Sci. 6:444. doi: 10.3389/fmars.2019.00444

Rühs, S., F. U. Schwarzkops, S. Speich, and A. Biastoch, 2019 : Cold vs. warm route : sources for the upper limb of the AMOC revisited in a high-resolution ocean model. Ocean Science, 15, 489-512, 2019,

Kersalé, M., Perez, R. C., Speich, S., Meinen, C. S., Lamont, T., Le Hénaff, M., van den Berg, M., Majumder, S., Ansorge, I. J., Dong, S., Schmid, C., Terre, T., Garzoli, S. L. (2019): Shallow and Deep Eastern Boundary Currents in the South Atlantic at 34.5°S: Mean structure and variability. J. Geophys. Res., doi: 10.1029/2018JC014554.

Caputi L, Carradec Q, Eveillard D, et al. (2019) Community-Level Responses to Iron Availability in Open Ocean Planktonic Ecosystems. Global Biogeochem Cy | doi: 10.1029/2018GB006022.

2018 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Laxenaire, R., S. Speich, B. Blanke, A. Chaigneau, C. Pegliasco, A. Stegner, 2018: Anticyclonic eddies connecting the western boundaries of Indian and Atlantic oceans. J. Geophys. Res. DOI: 10.1029/2018JC014270.

Kersalé, M., Lamont, T., Speich, S., Terre, T., Laxenaire, R., Roberts, M. J., van den Berg, M. A., and Ansorge, I. J.: Moored observations of mesoscale features in the Cape Basin: characteristics and local impacts on water mass distributions, Ocean Sci., 14, 923-945,, 2018.

Meinen, C. S., S. Speich, A. R. Piola, I. Ansorge, E., Campos, M. Kersalé, T. Terre, M. P. Chidichimo, T. Lamont, O. Sato, R. Perez, D. Valla, M. van den Berg, M. Le Hénaff, S. Dong, and S. Garzoli, (2018) Baroclinic and barotropic flows and the dueling influence of the boundaries. Geophys. Res. Lett., DOI: 10.1029/2018GL077408

Capuano, TA, S. Speich, X. Carton, & R. Laxenaire (2018) : Indo-Atlantic exchange, mesoscale dynamics and Antarctic Intermediate Water. J. Geophys. Res. In press. DOI: 10.1002/2017JC013521

Capuano, TA, S. Speich, X. Carton, & B. Blanke, (2018). Mesoscale and submesoscale processes in the Southeast Atlantic and their impact on the regional thermohaline structure. J. Geophys. Res., 123. DOI: 10.1002/2017JC013396

Carradec, Q., Pelletier, E., Da Silva, C., et al. A global ocean atlas of eukaryotic genes (2018) Nature Communications, 9 (1), art. no. 373, DOI: 10.1038/s41467-017-02342-1.

Seeleuthner, Y., Mondy, S., Lombard, V., et al. Single-cell genomics of multiple uncultured stramenopiles reveals underestimated functional diversity across oceans (2018) Nature Communications, 9 (1), art. no. 310, DOI: 10.1038/s41467-017-02235-3.

2017 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Ioannou, A., A. Stegner, B. Le Vu, I. Taupier-Letage, and S. Speich, 2017 : Dynamical evolution of intense Ierapetra Eddies on a 22 year long period. J. Geophys. Res.. doi:10.1002/ 2017JC013158

Bony, S., Stevens, B., Ament, F., Bigorre, S., Chazette, P., Crewell, S., Delanoë, J., Emanuel, K., Farrell, D., Flamant, C., Gross, S., Hirsch, L., Karstensen, J., Mayer, B., Nuijens, L., Ruppert, J.H., Sandu, I., Siebesma, P., Speich, S., Szczap, F., Totems, J., Vogel, R., Wendisch, M., Wirth, M. EUREC4A: A Field Campaign to Elucidate the Couplings Between Clouds, Convection and Circulation (2017) Surveys in Geophysics, 38 (6), pp. 1529-1568. DOI: 10.1007/s10712-017-9428-0

Alberti, A., Poulain, J., Engelen, S., et al. Viral to metazoan marine plankton nucleotide sequences from the Tara Oceans expedition (2017) Scientific Data, 4, art. no. 170093. DOI: 10.1038/sdata.2017.93.

Morris, T., Hermes, J., Beal, L., du Plessis, M., Rae, C. D., Gulekana, M., ... & Ansorge, I. J. (2017). The importance of monitoring the Greater Agulhas Current and its inter-ocean exchanges using large mooring arrays. South African Journal of Science, 113(7-8), 1-7.

Royo-Llonch, M., I. Ferrera, Francisco M. Cornejo-Castillo, P. Sánchez, G. Salazar, R. Stepanauskas, J. M. González, M. E. Sieracki, S. Speich, L. Stemmann, C. Pedrós-Alió, S. G. Acinas, 2017 : Exploring microdiversity in novel Kordia sp. (Bacteroidetes) with proteorhodopsin from the tropical Indian Ocean via single amplified genomes. Front. Microbiol. 8:1317. doi: 10.3389/fmicb.2017.01317

2016 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

L’Héveder, B., S. Speich, O. Raguenau, F. Gohin, and P. Bryère, 2016 : Observed and projected Sea Surface Temperature seasonal changes in the Western English Channel from satellite data and CMIP5 multi-model ensemble. International Journal of Climatology. DOI: 10.1002/joc.4882.

Hutchinson, K., S. Swart, A. Meijers, I. Ansorge, S. Speich, 2016 : Decadal-scale thermohaline variability in the Atlantic sector of the Southern Ocean, J. Geophys. Res., 121(5), 3171-3189.

Guidi, L., S. Chaffron, L. Bittner, et al. 2016 : Plankton networks driving carbon export in the oligotrophic ocean. Nature. 2016 Apr 28;532(7600):465-70. doi: 10.1038/nature16942. Epub 2016 Feb 10.

2015 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Pesant, S., Not, F., Picheral, M., Kandels-Lewis, S., Le Bescot, N., Gorsky, G., Iudicone, D., Karsenti, E., Speich, S., Trouble, R., Dimier, C., Searson, S. Open science resources for the discovery and analysis of Tara Oceans data (2015) Scientific Data, 2, art. no. 150023, . Cited 45 times. DOI: 10.1038/sdata.2015.23

Villar, É., G.K. Farrant, M. Follows, L. Garczarek, S. Speich, et al. 2015: Environmental characteristics of Agulhas rings affect inter-ocean plankton transport. Science, 22 May 2015, Vol. 348 no. 6237, DOI: 10.1126/science.1261447

Sunagawa, S., L. P. Coelho, S. Chaffron, et al.  2015, Structure and Function of the Global Ocean Microbiome. Science, 22 May 2015, Vol. 348 no. 6237, DOI: 10.1126/science.1261359

Lima-Mendez, G., K. Faust, N. Henry, et al. 2015, Top-down determinants of community structure in the global plankton interactome. Science, 22 May 2015, Vol. 348 no. 6237, DOI: 10.1126/science.1262073

De Vargas, C., S. Audic, N. Henry, et al. 2015, Eukaryotic plancton diversity in the sunlit ocean. Science 22 May 2015, Vol. 348 no. 6237, DOI: 10.1126/science.1261605

Brum, J.R., J. C. Ignacio-Espinoza, S. Roux, et al. Tara Oceans Coordinators : P. Bork, C. Bowler, S. Sunagawa, P. Wincker, E. Karsenti and M. B. Sullivan (2015), Global patterns and ecological drivers of ocean viral communities, Science, 22 May 2015, Vol. 348 no. 6237, DOI: 10.1126/science.1261498

2014 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Blanke, B., S. Speich, and E. Rusciano, 2014 : Lagrangian water mass tracing from pseudo-Argo, model-derived salinity, tracer and velocity data: An application to Antarctic Intermediate Water in the South Atlantic Ocean. Ocean Modelling. 11/2014; DOI: 10.1016/j.ocemod.2014.11.004.

von Schuckmann, K., Sallée, J.-B., Chambers, D., Le Traon, P.-Y., Cabanes, C., Gaillard, F., Speich, S., and Hamon, M.: Consistency of the current global ocean observing systems from an Argo perspective, Ocean Sci., 10, 547-557, doi:10.5194/os-10-547-2014, 2014.

2013 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Meinen, C. S., S. Speich, R. C. Perez, S. Dong, A. R. Piola, S. L. Garzoli, M. O. Baringer, S. Gladyshev, and E. J. D. Campos, Temporal variability of the Meridional Overturning Circulation at 34.5°S: Results from two pilot boundary arrays in the South Atlantic, J. Geophys. Res., 118 (12), 6461-6478, doi:10.1002/2013JC009228, 2013.

2012 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Messager, C., S. Speich, and E. Key, 2012 : Marine atmospheric boundary layer over some Southern Ocean fronts during the IPY BGH 2008 cruise, Ocean Sci., 8, 1001-1023, 2012.

Rusciano, E., S. Speich and M. Ollitrault, 2012 : Antarctic Intermediate Water dynamics, budget and fluxes. Interocean exchanges South of Africa. J. Geophys. Res. 117, C10010, doi:10.1029/2012JC008266.

Rimaud, J., S. Speich, B. Blanke, and N. Grima, 2012 : The exchange of Intermediate Water in the southeast Atlantic: Water mass transformations diagnosed from the Lagrangian analysis of a regional ocean model, J. Geophys. Res., 117, C08034, doi:10.1029/2012JC008059.

2011 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Karsenti, E., Acinas, S.G., Bork, P., Bowler, C., De Vargas, C., Raes, J., Sullivan, M., Arendt, D., Benzoni, F. 10, Follows, M. 11, Jaillon, O. 12, Gorsky, G., Hingamp, P. 3,14, Iudicone, D. 15, Kandels-Lewis, S. 1, Krzic, U. 1, Not, F., Ogata, H., Pesant, S., Reynaud, E., Sardet, C., Sieracki, M., Speich, S., Velayoudon, D., Weissenbach, J., Wincker, P., and the Tara Oceans Consortium, 2011 : A holistic approach to marine eco-systems biology. PLoS Biology. 9.10 (2011): e1001177. Web. 10 Feb. 2012.

Joubert W. R., Thomalla S. J., Waldron H. N., Lucas M. I., Boye M., Le Moigne F. A. C., Planchon F., Speich S.: Nitrogen uptake by phytoplankton in the Atlantic sector of the Southern Ocean during late austral summer, Biogeosciences Discuss., 8, 4917-4952, doi:10.5194/bgd-8-4917-2011, 2011.

Sarthou, G., E. Bucciarelli, F. Chever, S. P. Hansard, M. Gonzalez-Davila, J. M. Santana-Casiano, F. Planchon, and S. Speich, 2011 : Labile Fe(II) concentrations in the Atlantic sector of the Southern Ocean along a transect from the subtropical domain to the Weddell Sea Gyre. Biogeosciences, 8, 2461–2479, 2011

Fripiat, F., A.-J. Cavagna, F. Dehairs, S. Speich, L. André, and  D. Cardinal, 2011 : Silicon pool dynamics and biogenic silica export in the Antarctic Circumpolar Current inferred from Si-isotopes. Ocean Sci., 7, 533–547, 2011,

Arhan, M., S. Speich, C. Messager, G. Dencausse, R. A. Fine, and M. Boye (2011), Anticyclonic and cyclonic eddies of subtropical origin in the subantarctic zone south of Africa, J. Geophys. Res., doi:10.1029/2011JC007140. 

Bown J., Boye M., Baker A., Duvieilbourg E., Lacan F., Le Moigne F., Planchon F., Speich S., Nelson D.M. 2011. The biogeochemical cycle of dissolved cobalt in the Atlantic and the Southern Ocean south off the coast of South Africa. Marine Chemistry, doi:10.1016/j.marchem.2011.03.008. 

González-Dávila, M., Santana-Casiano, J. M., Fine, R. A., Happell, J., Delille, B., and Speich, S.: Carbonate system in the water masses of the Southeast Atlantic sector of the Southern Ocean during February and March 2008, Biogeosciences, 8, 1401-1413, doi:10.5194/bg-8-1401-2011, 2011.

Faure, V., M. Arhan, S. Speich, and S. Gladyshev, 2011 : Heat budget of the surface mixed layer south of Africa. Ocean Dyn., doi: 10.1007/s10236-011-0444-1.

Dencausse, G., M. Arhan, S. Speich, 2011: Is there a continuous Subtropical Front south of Africa ?, J. Geophys. Res., 116, p. 14. doi:10.1029/2010JC006587. 

2010 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Dencausse, G., M. Arhan, S. Speich, 2010 : Spatio-temporal characteristics of the Agulhas Current Retroflection. Dees Sea Res. , Volume 57, Issue 11, November 2010, Pages 1392-1405.

Dencausse, G., M. Arhan, S. Speich, 2010:  Routes of Agulhas rings in the southeastern Cape Basin. Deep Sea Res. Volume 57, Issue 11, November 2010, Pages 1406-1421.

Chever, F., E. Bucciarelli, G. Sarthou, S. Speich, M. Arhan, P. Penven, and A. Tagliabue (2010), Physical speciation of iron in the Atlantic sector of the Southern Ocean along a transect from the subtropical domain to the Weddell Sea Gyre, J. Geophys. Res., 115, C10059, doi:10.1029/2009JC005880.

Swart, S., S. Speich, 2010: A satellite altimetry based Gravest Empirical Mode South of Africa. Part II: 1992-2008 Heat, Salt and Mass Transport variability and changes. J. Geophys. Res., 115, C03003, doi:10.1029/2009JC005300.

Swart, S., S. Speich, I. Ansorge, J. Lutjeharms, 2010: A satellite altimetry based Gravest Empirical Mode South of Africa. Part I: Development and Validation. J. Geophys. Res., 115, C03002, doi:10.1029/2009JC005299. 

2008 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Rubio, B., B. Blanke, S. Speich, et N. Grima, R. Duarte, et V. Lavalle, 2008: Mesoscale eddy activity in the southern Benguela upwelling system from altimetry and model data. Progress in Oceanography, 83, issue 1-4, pp. 288-295. DOI: 10.1016/j.pocean.2009.07.029

Friocourt, Y., B. Blanke, S. Drijfhout, et S. Speich, 2008 : On the dynamics of the slope current system along the West European margin. Part II: Seasonal analytical and numerical calculations. J. Phys. Oceanogr. 38, 12, 2619-2638, doi:10.1175/2008JPO3745.1..

Gladyshev, S., M. Arhan, A. Sokov, S. Speich, 2008. A hydrographic section from South Africa to the southern limit of the Antarctic Circumpolar Current at the Greenwich meridian. Deep Sea Res., 55, 1284-1303.

Swart, S., S. Speich, I. Ansorge, G. J. Goni, S. Gladyshev, J. R. Lutjeharms, 2008. Transport and variability of the Antarctic Circumpolar Current south of Africa J. Geophys. Res., 113, C09014, doi:10.1029/2007JC004223

Iudicone D., S. Speich, G. Madec, et B. Blanke, 2008 : The global Conveyor Belt in a Southern Ocean perspective. J. Phys. Oceanogr. 38, 1401-1425, DOI: 10.1175/2007JPO3525.1

Iudicone D., G. Madec, B. Blanke et S. Speich, 2008: The role of Southern Ocean surface forcings and mixing in the global conveyor. J. Phys. Oceanogr. 38, 1377-1400, DOI: 10.1175/2008JPO3519.1

2007 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich, S., B. Blanke, and W. Cai, 2007: Atlantic Meridional Overturning and the Southern Hemisphere Supergyre. Geophys. Res. Lett., VOL. 34, L23614, doi:10.1029/2007GL031583.

Friocourt, Y., B. Levier, S. Speich, B. Blanke and S. Drijfhout, 2007: Regional Numerical Ocean Model of the Circulation in the Bay of Biscay. J. Geophys. Res. J. Geophys. Res., Vol. 112, No. C9, C09008, 10.1029/2006JC003935.

Doglioli, A., B. Blanke, S. Speich, and G. Lapeyre, 2007: Tracking eddies in a regional model of the “Cape Basin” off South Africa. J. Geophys. Res.,112 (2007) C05043, doi:10.1029/2006JC003952.

2006 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich, S., J. Lutjeharms , P. Penven, B. Blanke, 2006 : The Indo-Atlantic exchange : dynamics of a regime transition from a western boundary current to an eastern boundary system. Geophys. Res. Lett., VOL. 33, L23611, doi:10.1029/2006GL027157.

Doglioli, A. M.; Veneziani, M.; Blanke, B.; Speich, S.; Griffa, A. 2006: A Lagrangian analysis of the Indian-Atlantic interocean exchange in a regional model Geophys. Res. Lett., Vol. 33, No. 14, L14611 10.1029/2006GL02649825.

Blanke, B., M. Arhan, et S. Speich, 2006 : Salinity changes along the upper limb of the Atlantic thermohaline circulation. Geophysical Research Letters, 33, L06609, doi :10.1029/2005GL024938.

2005 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Raynaud, S., P. Yiou, R. Kleeman, S. Speich, 2005 : Using MSSA to determine explicitly the oscillatory dynamics of weakly nonlinear climate systems Nonlinear Processes in Geophysics, 12, 807-815

Legeais, J.-F., S. Speich, M. Arhan, I. Ansorge, E. Fahrbach, S. Garzoli, et A. Klepikov, 2005 : The baroclinic transport of the Antarctic Circumpolar Current south of Africa. Geophys. Res. Lett.. doi :10.1029/2005GL023271.

Friocourt, Y., S. Drijfhout, B. Blanke, et S. Speich, 2005 : Water Mass Export from Drake Passage to the Atlantic, Indian, and Pacific Oceans : A Lagrangian Model Analysis, J. Phys. Oceanogr., 35(7), 1206-1222.

Blanke, B., S. Speich, A. Bentamy, C. Roy, et B. Sow, 2005 : Modeling the structure and variability of the Southern Benguela upwelling using QuikSCAT wind forcing. J. Geophys. Res., 110, C07018, doi :10.1029/2004JC002529.

Ansorge, I., S. Speich, J. Lutjeharms, G. Goni, H. Rautenbach, W. Froneman, S. Garzoli, and M. Arhan, 2005: Monitoring the oceanic flow between Africa and Antarctica : Report of the first GoodHope cruise. South African Journal of Science 101, January/February 2005.

2002 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Blanke, B., S. Speich, G. Madec, et R. Maugé, 2002 : A global diagnostic of interior ocean ventilation, Geophys. Res. Lett., 29, 10.1029/2001GL013727.

Speich S., B. Blanke, P. de Vries, K. Döös, S. Drijfhout, A. Ganachaud, et R. Marsh, 2002 : Tasman leakage : a new route in the global ocean conveyor belt. Geophys. Res. Lett., 29, 10, 10.1029/2001GL014586.

Blanke, B., C. Roy, P. Penven, S. Speich, J. McWilliams, et G. Nelson, 2002 : Linking wind and upwelling interannual variability in a regional model of the southern Benguela. Geophys. Res. Lett., 29, 2188, doi :10.1029/2002GL015718.

Blanke, B., M. Arhan, S. Speich, et K. Pailler, 2002 : Diagnosing and picturing the North Atlantic segment of the global conveyor belt by means of an ocean general circulation model. J. Phys. Oceanogr, 32, 1430-1451.

Beckers, J. M. et al. 2002, Model intercomparison in the Mediterranean: MEDMEX simulations of the seasonal cycle. J. Mar. Syst. 33 – 34 (2002) 215 – 251 

2001 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich, S., B. Blanke, et G. Madec, 2001 : Warm and cold water paths of a GCM thermohaline conveyor belt. Geophys. Res. Lett., 28, 311-314.

Blanke, B., S. Speich, G. Madec, et K. Döös, 2001 : A global diagnostic of interocean mass transfers. J. Phys. Oceanogr., 31, 1623-1642.

1999 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Raynaud, S., S. Speich, E. Guilyardi, et G. Madec, 1999 : Impact of the ocean lateral diffusion on the ENSO-like variability of a global coupled GCM. Geophys. Res. Lett., 27, 3041-3044.

1996 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich S., G. Madec, et M. Crépon, 1996 : A strait outflow circulation process study: The case of the Alboran Sea, J. Phys. Oceanogr., 26 (3) 320-340.

1995 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich, S., and R. Vautard, 1995: Construction de champs de vent pour forcer un modèle de circulation générale de la Mer Méditerranée. Proceedings AMA 1995, Toulouse. 257-264.

EROMODEL Group: 1995: Progress from 1989 to 1992 in understanding the circulation of the Western Mediterranean Sea. Oceanologica Acta, 18, 255-269.

Speich, S., H. Dijkstra, M. Ghil, 1995 : Successive bifurcations in a shallow-water modelapplied to the wind-driven ocean circulation. Nonlinear Processes in Geophysics, Vol. 2, pp 241-268,

1988 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

Speich, S., Mosetti, F., 1988. On the eigenperiods in the Tyrrhenian Sea level oscillations. Il Nuovo Cimento 11C, 219-228.

Data bases

Speich, S., C. Meinen, I. Ansorge, T. Lamont, O. Peden, M. Hamon, M. Van Den Berg, G. Louw, R. Laxenaire, T. Terre-Terrillon (2019). SAMBA East raw data sets. SEANOE.

Blain S., J. Boutin, H. Claustre, O. Crispi, P. Debeljak, E. De Saint Léger, C. Dimier, S. Drapeau, J. Fin, A. Gueneugues, V. Klein, R. Laxenaire, E. Leymarie, C. Lo Monaco, L. Merlivat, N. Metzl, C. Mignon, I. Obernosterer, V. Pellichero, C. Penkerc’h, F. Perault, A. Poteau, J. Ras, M. Rembauville, C. Roesler, S. Speich, J. Uitz (2020). BIOGEOCHEMICAL dataset collected during the SOCLIM cruise. SEANOE.

The GEOTRACES group (Schlitzer et al.), 2018: The GEOTRACES Intermediate Data Product 2017. Chemical Geology.

The GEOTRACES group (Mawji et al.), 2015 : Marine Chemistry special issue: Ocean Biogeochemistry. The GEOTRACES Intermediate Data Product 2014, Mar. Chem. (2015),

Tara Oceans Expedition, Participants; Tara Oceans Consortium, Coordinators (2014): Registry of selected samples from the Tara Oceans Expedition (2009-2013). doi:10.1594/PANGAEA.840721,

Pesant S., F. Not, M. Picheral, S. Kandels-Lewis, N. Le Bescot, G. Gorsky, D. Iudicone, E. Karsenti, S. Speich, R. Troublé, C. Dimier, S. Searson & Tara Oceans Consortium, 2015 : CoordinatorsOpen science resources for the discovery and analysis of Tara Oceans data. Sci. Data 2:150023 doi: 10.1038/sdata.2015.23

Chaffron, S.; D'Ovidio, F.; Guidi, L.; Pesant, S.; Speich, S.; Tara Oceans Consortium, Coordinators; Tara Oceans Expedition, Participants (2014): Contextual environmental data of selected samples from the Tara Oceans Expedition (2009-2013). doi:10.1594/PANGAEA.840718,


Speich , S., S. Garzoli, A. Piola and the SAMOC community. (2010). A monitoring system for the South Atlantic as a component of the MOC. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Annex), Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

Cunningham, S.; Baringer, M.; Toole, J.; Osterhaus, S.; Fisher, J.; Piola, A.; McDonagah, E.; Lozier, S.; Send, U.; Kanzow, T.; Marotzke, J.; Rhein, M.; Garzoli, S.; Rintoul, S.; Speich, S.; Wijffels, S.; Talley, L.; Baehr, J.; Meinen, C.; Treguier, A-M.; Lherminier, P. (2010). The present and future system for measuring the Atlantic meridional overturning circulation and heat transport. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society. Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

Garzoli S., L.; Boebel, O.; Bryden, H.; Fine , R. A.; Fukasawa, M.; Gladyshev, S.; Johnson, G.; Johnson, M.; MacDonald, A.; Meinen, C.; Mercier, H.; Orsi, A.; Piola, A.; Rintoul , S.; Speich, S.; Visbeck, M.; Wanninkhof , R. (2010) Progressing towards global sustained deep ocean observations. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society. Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

Gordon A.; Wijffels S.; Sprintall J.; Susanto D.; Molcard R.; Van Aken H.; Ffield A.; De Ruijter W.; Lutjeharms J.; Speich S.; Beal L.. (2010) Interocean Exchange of thermocline water: Indonesian Throughflow; “Tassie” Leakage; Agulhas Leakage. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society. Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

Rintoul, S., Kevin Speer, Eileen Hofmann, Mike Sparrow, Mike Meredith, Eberhard Fahrbach, Anthony Worby, Matthew England, Richard Bellerby, Taco de Bruin, Alberto Naveira Garabato, Graham Hosie, Keith Alverson, Sabrina Speich, Dan Costa, Julie Hall, Mark Hindell, Hyoung Chul Shin, Vladimir Ryabinin, Sergei Gladyshev, Kate Stansfield (2010). Southern Ocean Observing System (SOOS): Rationale and strategy for sustained observations of the Southern Ocean. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society. Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.

Rintoul, S. R.,  M. Balmeseda, S. Cunningham, Dushaw, S. Garzoli, A. Gordon, P. Heimbach, M. Hood, G. Johnson, M. Latif, U. Send, C. Shum, S. Speich, D. Stammer (2010b). Deep circulation and meridional overturning recent progress and a strategy for sustained observations. In Proceedings of OceanObs’09: Sustained Ocean Observations and Information for Society (Annex), Venice, Italy, 21-25 September 2009, Hall, J., Harrison, D.E. & Stammer, D., Eds., ESA Publication WPP-306.


Speich, S., 2010 BONUS-GoodHope, Rapport Final du projet ANR 07-BLAN-0146 BONUS-Goodhope. 36 pp.

Speich S., 2008. The BONUS-GoodHope cruise Report, Laboratoire de Physique des Océans UMR 6523 CNRS-IFREMER-IRD-UBO Technical Report. 252 pp.

Garzoli S. L., Alberto Piola, Sabrina Speich, Molly Baringer, Gustavo Goni, Kathy Donohue, Chris Meinen, Ricardo Matano, 2007 : A monitoring system for heat and mass transports in the South Atlantic as a component of the Meridional Overturning Circulation. South Atlantic Meridional Overturning Circulation Workshop Report :

Book chapter

Speich, S., 2012 L’océan, régulateur du climat terrestre. Réguler la Mondialisation : Les défis du nucléaire et du réchauffement climatique. C. Sellin et L. Gardelle, Editions CRBC, Brest, France, 77-89.

Grey Literature

Cabanes, C., V. Thierry, J. Lepesquer, S. Speich, C. Lagadec, 2014 : Delayed mode analysis of Argo floats: improvements of the method in the north atlantic and southern ocean. Coriolis Quarterly Newsletter - Special Issue, 50, 3-11.

Ansorge, I.. J., M. O. Baringer, E. J. D. Campos, S. Dong, R. A. Fine,  S. L. Garzoli, G. Goni, C. S. Meinen, R. C. Perez, A. R. Piola, M. J. Roberts, S. Speich, J. Sprintall, T. Terre  and M. A. Van den Berg. 2014. Basin-Wide Oceanographic Array Bridges South Atlantic. Eos Transactions American Geophysical Union 02/2014; 95(6):53-54. DOI: 10.1002/2014EO060001.

Speich, S., M. Arhan, E. Rusciano, V. Faure, M. Ollitrault, A. Prigent, S. Swart, 2012 : Use of ARGO floats to study the ocean dynamics south of Africa : What we have learned from the GoodHope project and what we plan within the SAMOC International Programme. Mercator Ocean—Coriolis Quarterly Newsletter - Special Issue, 45, 21-27.

Speich, S., and M. Arhan, 2007 : GOODHOPE/Southern Ocean: A study and monitoring of the Indo-Atlantic connections, Mercator Newslett., 27, 29– 41.

Speich, S.,  M. Arhan, 2007. ARGO floats sample vertically homogeneized water in Agulhas Rings, Coriolis Newsletter, 4, 15-16.

Speich, S., and M. Ghil, 1994: Interannual variability of the mid-latitude oceans: A new source of climate variability?, Sistema Terra, 3, pp. 33-3

©Thomas BLANKE 2018