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Richard Sempere

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Présentation

**Richard Sempéré,** Director of Research at CNRS: Oceanographer. Marine and atmospheric geochemist. 2021-Director of Aix-Marseille University 'Ocean Sciences Institute' 2012-2021-Director of the Mediterranean Institute of Oceanography (M I O), Aix Marseille University, CNRS, IRD, Univ. Toulon, France 2004-2012: Director of LMGEM laboratory, UMR 6117, Aix Marseille University, CNRS, France **Research interests:** Exploration of sources and sinks of natural organic matter in aquatic environments. The intersection of the carbon cycle and microbial communities under global change conditions. Marine and atmospheric chemistry. Study of dissolved organic matter including sugars, dicarboxylic acids, phthalates, chromophoric organic matter. UV impact (photo-oxydation) on organic matter decomposition. Bacterial degradation of organic matter. Organic contaminants in atmospheric and aquatic systems. **1-Degrees** 1986, Master in Oceanography and Meteorology Paris Sorbonne University 1991, PhD in Oceanography, University of Perpignan, CNRS *1991-1993: Post-Doctoral study in Tokyo (Tokyo Metropolitan University), JSPS fellowship* **2-Professional experiences** 1994-: Permanent Position at CNRS, Aix Marseille University **3-Direction of 10 PhD DThesis. Author or co-author of 110 peer review papers.**
**Richard Sempéré** ***Curriculum Vitae*** **Richard Sempéré** Director of Research at CNRS: Oceanographer. Marine and atmospheric geochemist. Two children (22 and 20) Currently: Director of Research at CNRS, Director of the Mediterranean Institute of Oceanography (M I O), Aix Marseille University, CNRS, IRD, Toulon University. **Research interests:** Exploration of sources and sinks of natural organic matter in aquatic environments. Plastic and additives in the Ocean. The intersection of the carbon cycle and microbial communities under global change conditions. Marine and atmospheric chemistry. Study of dissolved organic matter including sugars, dicarboxylic acids, phthalates, chromophoric organic matter. UV impact (photo-oxydation) on organic matter decomposition. Bacterial degradation of organic matter. Organic contaminants in atmospheric and aquatic systems. **1-Degrees** · 1986, Master in Oceanography and Meteorology University of Paris Sorbonne University · 1991, PhD in Oceanography, University of Perpignan, CNRS LSGM. · 2001, Habilitation for PhD direction (HDR), University Aix Marseille University **2-Professional experiences** · 1987, Scientific national duty in the French Navy · 1988-1991: PhD (University of Perpignan), scholarship from the French Ministry for Research and Education · 1991-1993: Post-Doctoral study in Tokyo (Tokyo Metropolitan University), JSPS fellowship · 1993-1994: Post-Doctoral study in LMM, UPR CNRS 223, Aix Marseille University, CNRS fellowship · 1994-2001: Permanent Position as CR1 CNRS, LMM UPR CNRS 223, Aix Marseille University · 2003: Director of Research at CNRS 2ndclass · 2009: Director of Research at CNRS 1stclass 2019: Director of Research at CNRS DRCE1 2 · 2004-2012: Director of the LMGEM laboratory (UMR CNRS 6117) · Since 2012: Director of M I O laboratory (UMR 7294, UM 110). CNRS, IRD, Aix Marseille University and Toulon University. M I O laboratory comprises 236 people. **3-Direction of students, post-docs researchers** ***12 (Doctor degree-PhD) students, 8 post-doctoral researchers and about 50 Master degree and others students.*** **4-National responsibilities** ***CNRS, IRD*** · 1997-1998: -Member of the national biogeochemistry equipment-working group for INSU/CNRS (CSOA) · 1998-2000: -President of the national biogeochemistry equipment committee (CSOA) · 2004-2007: Member of the CNRS national committee (section 19) · 2004-2007: Member of the CNRS national committee (section 46) · 2004-2007: Member of the CNRS/INSU scientific committee · 2008-2011: Member of the IRD national committee (CSS3) · Since 2017: Member of the French ANR committee · Member of the executive committee of the French Pole Mediterranee. **5-National-programmes** · Co-PI of the MERMEX (http://mio.pytheas.univ-amu.fr): since 2009 · Co-PI of the LEFE/CYBER UVECO1 program: 2003-2006. · Co-PI of the UVPACA program · CO-PI of Agence de l’eau projects: Blue Polut, CareMed · French knowledge national pivot of the European project Blue Med **6-International** · 2007-2015. Associate editor in Marine Chemistry. · Since 2007-Review editor of Aquatic Microbial Ecology and Marine Ecology Progress Series (Reviewer staff). · Partner of the JPI Ocean (European Union) research project PLASTOX (plastics and contaminants in seawater) and PERSEUS (FP7). · Associate member of the international SCOR working Group on new microbial concepts and methodology. Topic: “Microbial Pumping Processes of carbon in the ocean”. 2020-2022 PI of the JPI-Ocean research project, ANDROMEDA PI v **7-Professional affiliations:** · Member, American Geophysical Society, 1994 to present · Member, American Limnology and Oceanography Association, 1998 to present Member, European Geophysical Society, 2002 to present Member, European Geophysical Society, 2002 to present **8-Cruise participation** · About 15 oceanographic cruises (Antarctic, Atlantic, Pacific Ocean, Mediterranean Sea).

Publications

christos-panagiotopoulos
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Spatial and temporal patterns of organophosphate Esters flame retardants and plasticizers in airborne particles over the Mediterranean sea

Kalliopi Violaki , Javier Castro-Jiménez , Athanasios Nenes , Richard Sempere , Christos Panagiotopoulos
Chemosphere, 2024, 348, pp.140746. ⟨10.1016/j.chemosphere.2023.140746⟩
Article dans une revue hal-04313494v1
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Identification and Quantification of Microplastics in the Marine Environment Using the Laser Direct Infrared (LDIR) Technique

Mélanie Ourgaud , Nam Ngoc Phuong , Laure Papillon , Christos Panagiotopoulos , François Galgani
Environmental Science and Technology, 2022, 56 (14), pp.9999-10009. ⟨10.1021/acs.est.1c08870⟩
Article dans une revue hal-03705932v1
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The role of mesopelagic fishes as microplastics vectors across the deep-sea layers from the Southwestern Tropical Atlantic

Anne K.S. Justino , Guilherme V.B. Ferreira , Natascha Schmidt , Leandro N. Eduardo , Vincent Fauvelle
Environmental Pollution, 2022, 300, pp.118988. ⟨10.1016/j.envpol.2022.118988⟩
Article dans une revue hal-03595969v1
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The Green Edge cruise: Understanding the onset, life and fate of the Arctic phytoplankton spring bloom

Flavienne Bruyant , Rémi Amiraux , Marie-Pier Amyot , Philippe Archambault , Lise Artigue
Earth System Science Data, 2022, 14, pp.4607-4642. ⟨10.5194/essd-2022-41⟩
Article dans une revue hal-03782664v1
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Contrasting degradation rates of natural dissolved organic carbon by deep-sea prokaryotes under stratified water masses and deep-water convection conditions in the NW Mediterranean Sea

Marc Garel , Christos Panagiotopoulos , Mehdi Boutrif , Daniel Repeta , Richard Sempere
Marine Chemistry, 2021, 231, pp.103932. ⟨10.1016/j.marchem.2021.103932⟩
Article dans une revue hal-03159104v1
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Bioaerosols and dust are the dominant sources of organic P in atmospheric particles

Kalliopi Violaki , Athanasios Nenes , Maria Tsagkaraki , Marco Paglione , Stéphanie Jacquet
npj climate and atmospheric science, 2021, 4 (1), ⟨10.1038/s41612-021-00215-5⟩
Article dans une revue hal-03468649v1
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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 Balzano
Earth System Science Data, 2021, 13, pp.1561-1592. ⟨10.5194/essd-13-1561-2021⟩
Article dans une revue insu-02978433v3
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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 Ardyna
Earth System Science Data : Papers in open discussion, 2020, 12 (1), pp.151-176. ⟨10.5194/essd-12-151-2020⟩
Article dans une revue hal-02292721v1
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Simultaneous determination of neutral sugars, alditols and anhydrosugars using anion-exchange chromatography with pulsed amperometric detection: Application for marine and atmospheric samples

Amel Nouara , Christos Panagiotopoulos , Richard Sempere
Marine Chemistry, 2019, 213, pp.24-32. ⟨10.1016/j.marchem.2019.05.002⟩
Article dans une revue hal-02140886v1
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Dicarboxylic and Oxocarboxylic Acids in the Arctic Coastal Ocean (Beaufort Sea-Mackenzie Margin)

Richard Sempéré , Mickael Vaïtilingom , Bruno Charrière , Kimitaka Kawamura , Christos Panagiotopoulos
Global Biogeochemical Cycles, 2019, 33, pp.927-940. ⟨10.1029/2018GB006165⟩
Article dans une revue insu-03668091v1
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The composition and distribution of semi-labile dissolved organic matter across the southwest Pacific

Christos Panagiotopoulos , Mireille Pujo-Pay , Mar Benavides , France van Wambeke , Richard Sempéré
Biogeosciences, 2019, 16, pp.105-116. ⟨10.5194/bg-16-105-2019⟩
Article dans une revue insu-03668094v1
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Liquid chromatographic isolation of individual carbohydrates from environmental matrices for stable carbon analysis and radiocarbon dating

Amel Nouara , Christos Panagiotopoulos , Jérôme Balesdent , Kalliopi Violaki , Edouard Bard
Analytica Chimica Acta, 2019, 1067, pp.137-146. ⟨10.1016/j.aca.2019.03.028⟩
Article dans une revue hal-02130025v1
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One-Single Extraction Procedure for the Simultaneous Determination of a Wide Range of Polar and Nonpolar Organic Contaminants in Seawater

Vincent Fauvelle , Javier Castro-Jimenez , Natascha Schmidt , Benoit Carlez , Christos Panagiotopoulos
Frontiers in Marine Science, 2018, 5, pp.295 - 295. ⟨10.3389/fmars.2018.00295⟩
Article dans une revue hal-01865497v1
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Sugars in atmospheric aerosols over the Eastern Mediterranean

C. Theodosi , Christos Panagiotopoulos , A. Nouara , P. Zarmpas , P. Nicolaou
Progress in Oceanography, 2018, MERMEX special issue, 163, pp.70-81. ⟨10.1016/j.pocean.2017.09.001⟩
Article dans une revue hal-01657239v1
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Occurrence of α,ω-dicarboxylic acids and ω-oxoacids in surface waters of the Rhone River and fluxes into the Mediterranean Sea

Richard Sempere , Bruno Charrìère , Javier Castro-Jiménez , Kimitaka Kawamura , Christos Panagiotopoulos
Progress in Oceanography, 2018, MERMEX project: Recent advances in the oceanography of the Mediterranean Sea, 163, pp.136-146. ⟨10.1016/j.pocean.2017.07.002⟩
Article dans une revue hal-01768630v2
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Composition and distribution of dissolved carbohydrates in the Beaufort Sea Mackenzie Margin (Arctic Ocean)

Christos Panagiotopoulos , Richard Sempere , Violaine Jacq , Bruno Charrìère
Marine Chemistry, 2014, 166, pp.92-102. ⟨10.1016/j.marchem.2014.09.004⟩
Article dans une revue hal-01057507v1
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Molecular level characterization of methyl sugars in marine high molecular weight dissolved organic matter

Christos Panagiotopoulos , Daniel Repeta , Laura Mathieu , Jean-François Rontani , Richard Sempéré
Marine Chemistry, 2013, 154, pp.34-45. ⟨10.1016/j.marchem.2013.04.003⟩
Article dans une revue hal-03627638v1
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The composition and flux of particulate and dissolved carbohydrates from the Rhone River into the Mediterranean Sea

Christos Panagiotopoulos , Richard Sempere , Julien Para , Patrick Raimbault , Christophe Rabouille
Biogeosciences, 2012, 9, pp.1827-1844. ⟨10.5194/bg-9-1827-2012⟩
Article dans une revue hal-00701986v1
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Distribution and bacterial availability of dissolved neutral sugars in the South East Pacific

Richard Sempere , M. Tedetti , Christos Panagiotopoulos , Bruno Charrière , France van Wambeke
Biogeosciences, 2008, 5, pp.1165 - 1173. ⟨10.5194/bg-5-1165-2008⟩
Article dans une revue hal-02058362v2
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Sugar dynamics in large particles during in vitro incubation experiments

Christos Panagiotopoulos , Richard Sempere
Marine Ecology Progress Series, 2007, 330, pp.67-74. ⟨10.3354/meps330067⟩
Article dans une revue hal-04331289v1

The molecular distribution of combined aldoses in sinking particles in various oceanic conditions

Christos Panagiotopoulos , Richard Sempere
Marine Chemistry, 2005, 95 (1-2), pp.31-49. ⟨10.1016/j.marchem.2004.07.005⟩
Article dans une revue hal-00812050v1

Limnology and oceanography : methods

Christos Panagiotopoulos , Richard Sempere
Limnology and Oceanography Bulletin, 2005, 3, pp.419-454
Article dans une revue hal-00014652v1
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Bacterial degradation of large particles in the southern Indian Ocean using in vitro incubation experiments

Christos Panagiotopoulos , Richard Sempere , I Obernosterer , L Striby , Madeleine Goutx
Organic Geochemistry, 2002, 33 (8), pp.985-1000. ⟨10.1016/S0146-6380(02)00057-8⟩
Article dans une revue hal-00812107v1

Total organic carbon dynamics in the Aegean Sea

Richard Sempere , Christos Panagiotopoulos , R Lafont , B Marroni , France van Wambeke
Journal of Marine Systems, 2002, 33, pp.355-364. ⟨10.1016/S0924-7963(02)00066-0⟩
Article dans une revue hal-00811943v1
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Bacterial degradation of large particles in the southern Indian Ocean using in vitro incubation experiments

Christos Panagiotopoulos , Richard Sempere , Ingrid Obernosterer , Laurent Striby , Madeleine Goutx
Organic Geochemistry, 2002, 33 (8), pp.985-1000. ⟨10.1016/S0146-6380(02)00057-8⟩
Article dans une revue hal-01831214v1
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Total organic carbon dynamics in the Aegean Sea

Richard Sempere , Christos Panagiotopoulos , R. Lafont , B Marroni , France van Wambeke
Journal of Marine Systems, 2001
Article dans une revue hal-02065006v1

Sub-ambient temperature effects on the separation of monosaccharides by high-performance anion-exchange chromatography with pulse amperometric detection - Application to marine chemistry

Christos Panagiotopoulos , Richard Sempere , R Lafont , P Kerherve
Journal of Chromatography A, 2001, 920 (1-2), pp.13-22. ⟨10.1016/S0021-9673(01)00697-5⟩
Article dans une revue hal-00812084v1

Dissolved organic carbon contamination induced by filters and storage bottles

Sc Yoro , Christos Panagiotopoulos , Richard Sempere
Water Research, 1999, 33 (8), pp.1956-1959. ⟨10.1016/S0043-1354(98)00407-2⟩
Article dans une revue hal-00812068v1