Josephine Ras Ingenieure d'études CNRS

Publications

Communication dans un congrès (1)

A global 3D product of phytoplankton community composition derived from satellite and BGC-Argo data using machine learning Julia Uitz,Raphaëlle Sauzède,Louis Terrats,Renosh PANNIMPULLATH REMANAN,J. Raset al. Ocean Science Meeting, Feb 2024, New Orleans, Louisiana, United States Communication dans un congrès hal-05452115v1

Article dans une revue (46)

Seasonality of amino acid enantiomers and microbial communities at MOLA time series in the NW Mediterranean Sea Anabel von Jackowski,Quentin-Boris Barral,Nawal Bouchachi,Barbara Marie,Olivier Crispiet al. Organic Geochemistry, In press, ⟨10.1016/j.orggeochem.2024.104839⟩ Article dans une revue hal-04677811v1
Characterization of Bio‐Optical Anomalies in the Kerguelen Region, Southern Indian Ocean: A Study Based on Shipborne Sampling and BioGeoChemical‐Argo Profiling Floats J. Uitz,C. Roesler,E. Organelli,H. Claustre,C. Penkerc'Het al. Journal of Geophysical Research. Oceans, 2023, 128 (12), ⟨10.1029/2023JC019671⟩ Article dans une revue hal-04362574v1
Open science resources from the Tara Pacific expedition across coral reef and surface ocean ecosystems Fabien Lombard,Guillaume Bourdin,Stéphane Pesant,Sylvain Agostini,Alberto Baudenaet al. Scientific Data , 2023, 10 (1), pp.324. ⟨10.1038/s41597-022-01757-w⟩ Article dans une revue (data paper) hal-04164118v1
Influence of the phytoplankton community composition on the in situ fluorescence signal: Implication for an improved estimation of the chlorophyll-a concentration from BioGeoChemical-Argo profiling floats Flavien Petit,Julia Uitz,Catherine Schmechtig,Céline Dimier,Josephine Raset al. Frontiers in Marine Science, 2022, 9, ⟨10.3389/fmars.2022.959131⟩ Article dans une revue hal-03812673v1
The Green Edge cruise: investigating the marginal ice zone processes during late spring and early summer to understand the fate of the Arctic phytoplankton bloom Flavienne Bruyant,Rémi Amiraux,Marie-Pier Amyot,Philippe Archambault,Lise Artigueet al. Earth System Science Data, 2022, 14, pp.4607-4642. ⟨10.5194/essd-14-4607-2022⟩ Article dans une revue insu-03863335v1
The MALINA oceanographic expedition: how do changesin ice cover, permafrost and UV radiation impactbiodiversity and biogeochemical fluxesin the Arctic Ocean? Philippe Massicotte,Rainer Amon,David Antoine,Philippe Archambault,Sergio Balzanoet al. Earth System Science Data, 2021, 13, pp.1561-1592. ⟨10.5194/essd-13-1561-2021⟩ Article dans une revue insu-02978433v3
Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom Philippe Massicotte,Rémi Amiraux,Marie-Pier Amyot,Philippe Archambault,Mathieu Ardynaet al. Earth System Science Data : Papers in open discussion, 2020, 12 (1), pp.151-176. ⟨10.5194/essd-12-151-2020⟩ Article dans une revue (data paper) hal-02292721v1
Environmental drivers of under-ice phytoplankton bloom dynamics in the Arctic Ocean Mathieu Ardyna,C.J. Mundy,Matthew M. Mills,Laurent Oziel,Pierre-Luc Grondinet al. Elementa: Science of the Anthropocene, 2020, 8 (1), pp.30. ⟨10.1525/elementa.430⟩ Article dans une revue hal-03095648v1
Hydrography and biogeochemistry dedicated to the Mediterranean BGC-Argo network during a cruise with RV &lt;em&gt;Tethys 2&lt;/em&gt; in May 2015 Vincent Taillandier,Thibaut Wagener,Fabrizio d'Ortenzio,Nicolas Mayot,Hervé Le Goffet al. Earth System Science Data, 2018, 10 (1), pp.627 - 641. ⟨10.5194/essd-10-627-2018⟩ Article dans une revue hal-01832247v1
Silicon cycle in the tropical South Pacific: contribution to the global Si cycle and evidence for an active pico-sized siliceous plankton Karine Leblanc,Veronique Cornet,Peggy Rimmelin-Maury,Olivier Grosso,Sandra Helias Nunigeet al. Biogeosciences, 2018, 15 (18), pp.5595-5620. ⟨10.5194/bg-15-5595-2018⟩ Article dans une revue hal-01889901v1
Recommendations for obtaining unbiased chlorophyll estimates from in situ chlorophyll fluorometers: A global analysis of WET Labs ECO sensors Collin Roesler,Julia Uitz,Hervé Claustre,Emmanuel Boss,Xiaogang Xinget al. Limnology and Oceanography: Methods, 2017, ⟨10.1002/lom3.10185⟩ Article dans une revue hal-01520511v1
Effect of sunlight on prokaryotic organic carbon uptake and dynamics of pigments relevant to photoheterotrophy in the Adriatic Sea Mauro Celussi,Alessandra A. Gallina,Josephine Ras,Michele Giani,Paola del Negro Aquatic Microbial Ecology, 2015, 74 (3), pp.235-249. ⟨10.3354/ame01738⟩ Article dans une revue hal-03502746v1
Retrieving the vertical distribution of chlorophyll a concentration and phytoplankton community composition from in situ fluorescence profiles: A method based on a neural network with potential for global-scale applications Raphaëlle Sauzède,Hervé Claustre,C. Jamet,Julia Uitz,Josephine Raset al. Journal of Geophysical Research. Oceans, 2015, 120 (1), pp.451-470. ⟨10.1002/2014JC010355⟩ Article dans une revue istex hal-03502751v1
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,Karine Leblanc,S. Blain,J. Ras,Veronique Cornetet al. Biogeosciences, 2014, 11 (20), pp.5931-5955. ⟨10.5194/bg-11-5931-2014⟩ Article dans une revue hal-01664909v1
The MAREDAT global database of high performance liquid chromatography marine pigment measurements J. Peloquin,C. Swan,N. Gruber,M. Vogt,Hervé Claustreet al. Earth System Science Data, 2013, 5 (1), pp.109-123. ⟨10.5194/essd-5-109-2013⟩ Article dans une revue insu-03463361v1
The characteristics of particulate absorption, scattering and attenuation coefficients in the surface ocean; Contribution of the Tara Oceans expedition Emmanuel Boss,Marc Picheral,Thomas Leeuw,Alison Chase,Eric Karsentiet al. Methods in Oceanography, 2013, 7, pp.52-62. ⟨10.1016/j.mio.2013.11.002⟩ Article dans une revue insu-03190095v1
Decomposition of in situ particulate absorption spectra Alison Chase,Emmanuel Boss,Ronald Zaneveld,Annick Bricaud,Hervé Claustreet al. Methods in Oceanography, 2013, 7, pp.110-124. ⟨10.1016/j.mio.2014.02.002⟩ Article dans une revue hal-04110592v1
Quenching correction for in vivo chlorophyll fluorescence acquired by autonomous platforms: a case study with instrumented elephant seals in the Kerguelen region (Southern Ocean) Xiaogang Xing,Hervé Claustre,Stéphane Blain,Fabrizio d'Ortenzio,David Antoineet al. Limnology and Oceanography: Methods, 2012, 10, pp.483-495. ⟨10.4319/lom.2012.10.483⟩ Article dans une revue hal-00707656v1
DMS dynamics in the most oligotrophic subtropical zones of the global ocean Sauveur Belviso,I. Masotti,A. Tagliabue,Laurent Bopp,Patrick Brockmannet al. Biogeochemistry, 2012, Special Issue of the 5th International Symposium on Biological and Environmental Chemistry of DMS(P) and Related Compounds, Goa, India, 19-22 October 2010, 110 (1-3), pp.215-241. ⟨10.1007/s10533-011-9648-1⟩ Article dans une revue hal-00757679v1
Ecology of aerobic anoxygenic phototrophic bacteria along an oligotrophic gradient in the Mediterranean Sea D. Lamy,Christian Jeanthon,M. T. Cottrell,D. L. Kirchman,France van Wambekeet al. Biogeosciences, 2011, 8, pp.973-985. ⟨10.5194/bg-8-973-2011⟩ Article dans une revue hal-00697622v1
From the shape of the vertical profile of in vivo fluorescence to Chlorophyll-a concentration A. Mignot,Hervé Claustre,F. d'Ortenzio,X. Xing,A. Poteauet al. Biogeosciences, 2011, 8 (8), pp.2391-2406. ⟨10.5194/bg-8-2391-2011⟩ Article dans une revue hal-02168184v1
Seasonal dynamics of aerobic anoxygenic phototrophs in a Mediterranean coastal lagoon D Lamy,P de Carvalho-Maalouf,M. T. Cottrell,Raphaël Lami,P. Catalaet al. Aquatic Microbial Ecology, 2011, 62 (2), pp.153-163. ⟨10.3354/ame01467⟩ Article dans une revue hal-02906986v1
Is the distribution of Prochlorococcus and Synechococcus ecotypes in the Mediterranean Sea affected by global warming? Daniella Mella-Flores,S. Mazard,Florian Humily,Frédéric Partensky,Frédéric Mahéet al. Biogeosciences, 2011, 8 (9), pp.2785-2804. ⟨10.5194/bg-8-2785-2011⟩ Article dans une revue hal-01218507v1
Characterization of the bio-optical anomaly and diurnal variability of particulate matter, as seen from scattering and backscattering coefficients, in ultra-oligotrophic eddies of the Mediterranean Sea Hubert Loisel,Vincent Vantrepotte,K. Norkvist,Xavier Mériaux,M. Kheireddineet al. Biogeosciences, 2011, Special Issue : Interactions between planktonic organisms and the biogeochemical cycles of biogenic elements in the Mediterranean Sea during intense summer stratification: the BOUM experiment, 8 (11), pp.3295-3317. ⟨10.5194/bg-8-3295-2011⟩ Article dans une revue hal-00688006v1
Deep silicon maxima in the stratified oligotrophic Mediterranean Sea. Y. Crombet,Karine Leblanc,Bernard Queguiner,T. Moutin,Peggy Rimmelinet al. Biogeosciences, 2011, 8, pp.459-475. ⟨10.5194/bg-8-459-2011⟩ Article dans une revue hal-00700258v1
Light absorption properties and absorption budget of Southeast Pacific waters Annick Bricaud,Marcel Babin,Hervé Claustre,Josephine Ras,Fanny Tieche Journal of Geophysical Research. Oceans, 2010, 115, ⟨10.1029/2009JC005517⟩ Article dans une revue istex hal-03502060v1
Methyl mercury distributions in relation to the presence of nano- and picophytoplankton in an oceanic water column (Ligurian Sea, North-western Mediterranean) Lars-Eric Heimbürger-Boavida,Daniel Cossa,Jean-Claude Marty,Christophe Migon,Bernard Avertyet al. Geochimica et Cosmochimica Acta, 2010, 74 (19), pp.5549-5559. ⟨10.1016/j.gca.2010.06.036⟩ Article dans une revue hal-02163124v1
Bacteriochlorophyll and community structure of aerobic anoxygenic phototrophic bacteria in a particle-rich estuary Matthew T. Cottrell,Josephine Ras,David L. Kirchman The International Society of Microbiologial Ecology Journal, 2010, 4 (7), pp.945-954. ⟨10.1038/ismej.2010.13⟩ Article dans une revue hal-03502064v1
Distribution of free-living and particle-attached aerobic anoxygenic phototrophic bacteria in marine environments Raphaël Lami,Z Âuperová,J. Ras,P. Lebaron,M Koblíïek Aquatic Microbial Ecology, 2009, 55, pp.31-38. ⟨10.3354/ame01282⟩ Article dans une revue hal-02906984v1
Spatial variability of phytoplankton pigment distributions in the Subtropical South Pacific Ocean: comparison between in situ and predicted data J. Ras,Hervé Claustre,J. Uitz Biogeosciences, 2008, 5 (2), pp.353-369 Article dans une revue hal-00330697v1
A phytoplankton class-specific primary production model applied to the Kerguelen Islands region (Southern Ocean) Julia Uitz,Hervé Claustre,Brian Griffiths,Josephine Ras,Nicole Garciaet al. Deep Sea Research Part I: Oceanographic Research Papers, 2008, 56, pp.541-560. ⟨10.1016/j.dsr.2008.11.006⟩ Article dans une revue istex hal-00390393v1
Biochemical characteristics and bacterial community structure of the sea surface microlayer in the South Pacific Ocean I. Obernosterer,P. Catala,R. Lami,J. Caparros,J. Raset al. Biogeosciences, 2008, 5 (3), pp.693-705. ⟨10.5194/bg-5-693-2008⟩ Article dans une revue hal-01248038v1
Validation of MERIS reflectance and chlorophyll during the BENCAL cruise October 2002: preliminary validation of new demonstration products for phytoplankton functional types and photosynthetic parameters J. Aiken,J. R. Fishwick,S. Lavender,R. Barlow,G. F. Mooreet al. INTERNATIONAL JOURNAL OF REMOTE SENSING, 2007, 28 (3-4), pp.497-516. ⟨10.1080/01431160600821036⟩ Article dans une revue hal-03504955v1
The &quot;neutral&quot; community structure of planktonic herbivores, tintinnid ciliates of the microzooplankton, across the SE Tropical Pacific Ocean John R. Dolan,M. E. Ritchie,J. Ras Biogeosciences, 2007, 4 (3), pp.297-310. ⟨10.5194/bg-4-297-2007⟩ Article dans une revue hal-00330319v1
Rapid growth rates of aerobic anoxygenic phototrophs in the ocean Michal Koblizek,Michal Masin,Josephine Ras,Alex J. Poulton,Ondrej Prasil Environmental Microbiology, 2007, 9 (10), pp.2401-2406. ⟨10.1111/j.1462-2920.2007.01354.x⟩ Article dans une revue istex hal-03504936v1
Optical properties of the ``clearest'' natural waters Andre Morel,Bernard Gentili,Hervé Claustre,Marcel Babin,Annick Bricaudet al. Limnology and Oceanography, 2007, 52 (1), pp.217-229. ⟨10.4319/lo.2007.52.1.0217⟩ Article dans une revue hal-03504961v1
Spatial variability of phytoplankton pigment distributions in the Subtropical South Pacific Ocean: comparison between in situ and predicted data J. Ras,Hervé Claustre,Julia Uitz Biogeosciences Discussions, 2007, 4 (5), pp.3409-3451 Article dans une revue hal-00330270v1
The &quot;neutral&quot; community structure of planktonic herbivores, tintinnid ciliates of the microzooplankton, across the SE Tropical Pacific Ocean J. R. Dolan,M. E. Ritchie,J. Ras Biogeosciences Discussions, 2007, 4 (1), pp.561-593 Article dans une revue hal-00330231v1
Bio-optical properties of high chlorophyll Case 1 waters and of yellow-substance-dominated Case 2 waters Andre Morel,Bernard Gentili,Malik Chami,Josephine Ras Deep Sea Research Part I: Oceanographic Research Papers, 2006, 53 (9), pp.1439-1459. ⟨10.1016/j.dsr.2006.07.007⟩ Article dans une revue istex hal-03494176v1
Functional relationships and bio-optical properties derived from phytoplankton pigments, optical and photosynthetic parameters; a case study of the Benguela ecosystem James R. Fishwick,Jim Aiken,Ray Barlow,Heather Sessions,Stuart Bernardet al. Journal of the Marine Biological Association of the United Kingdom, 2006, 86 (6), pp.1267-1280. ⟨10.1017/S0025315406014287⟩ Article dans une revue istex hal-03504966v1
A seasonal study of diatom dynamics in the North Atlantic during the POMME experiment (2001): Evidence for Si limitation of the spring bloom Karine Leblanc,Aude Leynaert,C. Fernandez,P. Rimmelin,Thierry Moutinet al. Journal of Geophysical Research. Oceans, 2005, 110, pp.C07S14. ⟨10.1029/2004JC002621⟩ Article dans une revue istex hal-00455625v1
Mesoscale and seasonal variability of community production and respiration in the surface waters of the N.E. Atlantic Ocean Anne Maixandeau,Dominique Lefèvre,Camila I. Fernandez,Richard Sempere,Rumi Sohrinet al. Deep-sea research. Part A, Oceanographic research papers, 2005, 52 (9), pp.1663-1676. ⟨10.1016/j.dsr.2005.03.007⟩ Article dans une revue hal-00092707v1
Spatial distribution of heterotrophic bacteria in the northeast Atlantic (POMME study area) during spring 2001 Melilotus Thyssen,Dominique Lefèvre,Guy Caniaux,Josephine Ras,Camila I. Fernandezet al. Journal of Geophysical Research, 2005, 110, pp.C07S16-16. ⟨10.1029/2004JC002670⟩ Article dans une revue istex hal-00092675v1
Toward a taxon-specific parameterization of bio-optical models of primary production: A case study in the North Atlantic Hervé Claustre,Marcel Babin,Davy Merien,Josephine Ras,Louis Prieuret al. Journal of Geophysical Research, 2005, 110 (C7), ⟨10.1029/2004JC002634⟩ Article dans une revue hal-02179249v1
Availability of iron and major nutrients for phytoplankton in the northeast Atlantic Ocean Stéphane Blain,Cécile Guieu,Hervé Claustre,Karine Leblanc,T. Moutinet al. Limnology and Oceanography, 2004, 49 (6), pp.2095-2104. ⟨10.4319/lo.2004.49.6.2095⟩ Article dans une revue hal-00702539v1
Natural variability of phytoplanktonic absorption in oceanic waters: Influence of the size structure of algal populations Annick Bricaud,Hervé Claustre,Josephine Ras,Kadija Oubelkheir Journal of Geophysical Research. Oceans, 2004, 109 (C11), ⟨10.1029/2004JC002419⟩ Article dans une revue hal-03506663v1

Autre publication scientifique (2)

Vertical profiles of environmental parameters measured on discrete water samples collected with Niskin bottles during the Tara Oceans expedition 2009-2013 Marc Picheral,Sarah Searson,Vincent Taillandier,Annick Bricaud,Emmanuel Bosset al. 2014, ⟨10.1594/PANGAEA.836319⟩ Autre publication scientifique hal-01245565v1
Biochemical characteristics and bacterial community structure of the sea surface microlayer in the South Pacific Ocean I. Obernosterer,P. Catala,Raphaël Lami,J. Caparros,J. Raset al. 2007, pp.2809-2844 Autre publication scientifique hal-00330262v1