Centre Européen
de Recherche et d'Enseignement
des Géosciences de l'Environnement

Anne Alexandre

Titre : DR-Directeur de recherche
Équipe : CL-Climat
Emplacement : Arbois-Pasteur
Information de contact
alexandre_AT_cerege.fr
+33 (0)4 13 94 91 66
Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement (CEREGE)
Bâtiment Pasteur
Europole Mediterraneen de l'Arbois BP80
13545 Aix-en-Provence cedex 4
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Publications

Il y a 58 publications pour ce type de document "Publications" :
  • 2021
  • Claudia Voigt, Christine Vallet-Coulomb, Clément Piel, Anne Alexandre. 17O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedure. Rapid Communications in Mass Spectrometry, Wiley, 2021, ⟨10.1002/rcm.9227⟩. ⟨hal-03539023⟩202117O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedureClaudia VoigtChristine Vallet-CoulombClément PielAnne Alexandre
  • Clément Outrequin, Anne Alexandre, Christine Vallet-Coulomb, Clément Piel, Sébastien Devidal, et al.. The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidity. Climate of the Past, European Geosciences Union (EGU), 2021, 17 (5), pp.1881 - 1902. ⟨10.5194/cp-17-1881-2021⟩. ⟨hal-03353205⟩2021The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidityClément OutrequinAnne AlexandreChristine Vallet-CoulombClément PielSébastien DevidalAmaelle LandaisMartine CouapelJean-Charles Mazur,Christophe PeugeotMonique PierreFrédéric PriéJacques RoyCorinne SonzogniClaudia Voigt
  • 2019
  • Anne Alexandre, Elizabeth Webb, Amaelle Landais, Clément Piel, Sebastien Devidal, et al.. Effects of leaf length and development stage on the triple oxygen isotope signature of grass leaf water and phytoliths: insights for a proxy of continental atmospheric humidity. Biogeosciences, European Geosciences Union, 2019, 16 (23), pp.4613-4625. ⟨10.5194/bg-16-4613-2019⟩. ⟨hal-02464804⟩2019Effects of leaf length and development stage on the triple oxygen isotope signature of grass leaf water and phytoliths: insights for a proxy of continental atmospheric humidityAnne AlexandreElizabeth WebbAmaelle LandaisClément PielSebastien DevidalCorinne SonzogniMartine CouapelJean-Charles Mazur,Monique PierreFrederic PrieChristine Vallet-CoulombClément OutrequinJacques Roy
  • Anne Alexandre, Elizabeth Webb, Amaelle Landais, Clément Piel, Sebastien Devidal, et al.. Effects of grass leaf anatomy, development and light/dark alternation on the triple oxygen isotope signature of leaf water and phytoliths: insights for a new proxy of continental atmospheric humidity. Biogeosciences Discussions, European Geosciences Union, 2019, pp.1-17. ⟨10.5194/bg-2019-73⟩. ⟨hal-02107606⟩2019Effects of grass leaf anatomy, development and light/dark alternation on the triple oxygen isotope signature of leaf water and phytoliths: insights for a new proxy of continental atmospheric humidityAnne AlexandreElizabeth WebbAmaelle LandaisClément PielSebastien DevidalCorinne SonzogniMartine CouapelJean-Charles MazurMonique PierreFrederic PrieChristine Vallet-CoulombJacques Roy
  • Boris Chauviré, Benjamin Rondeau, Anne Alexandre, Sarah Chamard-Bois, Carole La, et al.. Pedogenic origin of precious opals from Wegel Tena (Ethiopia): Evidence from trace elements and oxygen isotopes. Applied Geochemistry, Elsevier, 2019, 101, pp.127-139. ⟨10.1016/j.apgeochem.2018.12.028⟩. ⟨hal-02010828⟩2019Pedogenic origin of precious opals from Wegel Tena (Ethiopia): Evidence from trace elements and oxygen isotopesBoris ChauviréBenjamin RondeauAnne AlexandreSarah Chamard-BoisCarole LaFrancesco Mazzero
  • Rosine Cartier, Florence Sylvestre, Christine Paillès, Corinne Sonzogni, Martine Couapel, et al.. Diatom-oxygen isotope record from high-altitude Lake Petit (2200 m a.s.l.) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 ka. Climate of the Past, European Geosciences Union (EGU), 2019, 15 (1), pp.253-263. ⟨10.5194/cp-15-253-2019⟩. ⟨hal-02010676⟩2019Diatom-oxygen isotope record from high-altitude Lake Petit (2200 m a.s.l.) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 kaRosine CartierFlorence SylvestreChristine PaillèsCorinne SonzogniMartine CouapelAnne AlexandreJean-Charles MazurElodie BrissetCécile MiramontFrédéric Guiter
  • 2018
  • Guaciara M Santos, Armand Masion, Anne Alexandre. When the carbon being dated is not what you think it is: Insights from phytolith carbon research. Quaternary Science Reviews, Elsevier, 2018, 197, pp.162 - 174. ⟨10.1016/j.quascirev.2018.08.007⟩. ⟨hal-01909878⟩2018When the carbon being dated is not what you think it is: Insights from phytolith carbon researchGuaciara M SantosArmand MasionAnne Alexandre
  • Anne Alexandre, Amaelle Landais, Christine Vallet-Coulomb, Clément C. Piel, Sebastien Devidal, et al.. The triple oxygen isotope composition of phytoliths as a proxy of continental atmospheric humidity: insights from climate chamber and climate transect calibrations. Biogeosciences, European Geosciences Union, 2018, 15 (10), pp.3223 - 3241. ⟨10.5194/bg-15-3223-2018⟩. ⟨hal-01909483⟩2018The triple oxygen isotope composition of phytoliths as a proxy of continental atmospheric humidity: insights from climate chamber and climate transect calibrationsAnne AlexandreAmaelle LandaisChristine Vallet-CoulombClément C. PielSebastien DevidalSandrine PauchetCorinne SonzogniMartine CouapelMarine PasturelPauline CornuaultJingming XinJean-Charles MazurFrederic PrieIlham BentalebElizabeth WebbFrancoise ChalieJacques Roy
  • 2017
  • Armand Masion, Anne Alexandre, Fabio Ziarelli, Stéphane Viel, Guaciara M Santos. Dynamic Nuclear Polarization NMR as a new tool to investigate the nature of organic compounds occluded in plant silica particles. Scientific Reports, Nature Publishing Group, 2017, 7 (1), ⟨10.1038/s41598-017-03659-z⟩. ⟨hal-01909490⟩2017Dynamic Nuclear Polarization NMR as a new tool to investigate the nature of organic compounds occluded in plant silica particlesArmand MasionAnne AlexandreFabio ZiarelliStéphane VielGuaciara M Santos
  • M. Van Ginneken, J. Gattacceca, P. Rochette, Corinne Sonzogni, Anne Alexandre, et al.. The parent body controls on cosmic spherule texture: Evidence from the oxygen isotopic compositions of large micrometeorites. Geochimica et Cosmochimica Acta, Elsevier, 2017, 212, pp.196-210. ⟨10.1016/j.gca.2017.05.008⟩. ⟨hal-01765620⟩2017The parent body controls on cosmic spherule texture: Evidence from the oxygen isotopic compositions of large micrometeoritesM. Van GinnekenJ. GattaccecaP. RochetteCorinne SonzogniAnne AlexandreVladimir VidalM. J. Genge
  • Guaciara M Santos, Anne Alexandre. The phytolith carbon sequestration concept: Fact or fiction? A comment on “Occurrence, turnover and carbon sequestration potential of phytoliths in terrestrial ecosystems by Song et al. doi: 10.1016/ j.earscirev.2016.04.007”. Earth-Science Reviews, Elsevier, 2017, 164, pp.251 - 255. ⟨10.1016/j.earscirev.2016.11.005⟩. ⟨hal-01909494⟩2017The phytolith carbon sequestration concept: Fact or fiction? A comment on “Occurrence, turnover and carbon sequestration potential of phytoliths in terrestrial ecosystems by Song et al. doi: 10.1016/ j.earscirev.2016.04.007”Guaciara M SantosAnne Alexandre
  • 2016
  • Marine Pasturel, Anne Alexandre, Alice Novello, Amadou M Dièye, Abdoulaye Wélé, et al.. Grass Physiognomic Trait Variation in African Herbaceous Biomes. Biotropica, Wiley, 2016, 48 (3), pp.311 - 320. ⟨10.1111/btp.12282⟩. ⟨hal-01909495⟩2016Grass Physiognomic Trait Variation in African Herbaceous BiomesMarine PasturelAnne AlexandreAlice NovelloAmadou M DièyeAbdoulaye WéléLaure ParadisCarlos CordovaChristelle Hély
  • Anne Alexandre, Jérôme Balesdent, Patrick M Cazevieille, Claire M Chevassus-Rosset, Patrick Signoret, et al.. Direct uptake of organically derived carbon by grass roots and allocation in leaves and phytoliths: 13C labeling evidence. Biogeosciences, European Geosciences Union, 2016, 13 (5), pp.1693 - 1703. ⟨10.5194/bg-13-1693-2016⟩. ⟨hal-01515399⟩2016Direct uptake of organically derived carbon by grass roots and allocation in leaves and phytoliths: 13C labeling evidenceAnne AlexandreJérôme BalesdentPatrick M CazevieilleClaire M Chevassus-RossetPatrick SignoretJean-Charles M MazurAraks HarutyunyanEmmanuel M DoelschIsabelle Basile-DoelschHélène M MicheGuaciara M Santos
  • Paul E Reyerson, Anne Alexandre, Araks Harutyunyan, Rémi Corbineau, Hector A Martinez de La Torre, et al.. Unambiguous evidence of old soil carbon in grass biosilica particles. Biogeosciences, European Geosciences Union, 2016, 13 (4), pp.1269-1286. ⟨10.5194/bg-13-1269-2016⟩. ⟨hal-01909502⟩2016Unambiguous evidence of old soil carbon in grass biosilica particlesPaul E ReyersonAnne AlexandreAraks HarutyunyanRémi CorbineauHector A Martinez de La TorreFranz BadeckLuigi CattivelliGuaciara M Santos
  • 2015
  • Guaciara M Santos, Anne Alexandre, Christine A Prior. From radiocarbon analysis to interpretation: A comment on “Phytolith Radiocarbon Dating in Archaeological and Paleoecological Research: A Case Study of Phytoliths from Modern Neotropical Plants and a Review of the Previous Dating Evidence”, Journal of Archaeological Science (2015), doi: 10.1016/j.jas.2015.06.002.” by Dolores R. Piperno. Journal of Archaeological Science, Elsevier, 2015, 71, pp.51-58. ⟨10.1016/j.jas.2016.04.015⟩. ⟨hal-01909515⟩2015From radiocarbon analysis to interpretation: A comment on “Phytolith Radiocarbon Dating in Archaeological and Paleoecological Research: A Case Study of Phytoliths from Modern Neotropical Plants and a Review of the Previous Dating Evidence”, Journal of Archaeological Science (2015), doi: 10.1016/j.jas.2015.06.002.” by Dolores R. PipernoGuaciara M SantosAnne AlexandreChristine A Prior
  • A. Alexandre, I. Basile-Doelsch, T. Delhaye, D. Borschneck, Jean-Charles Mazur,, et al.. New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results. Biogeosciences, European Geosciences Union, 2015, 12 (3), pp.863-873. ⟨10.5194/bg-12-863-2015⟩. ⟨hal-01909519v2⟩2015New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS resultsA. AlexandreI. Basile-DoelschT. DelhayeD. BorschneckJean-Charles Mazur,P. ReyersonG. M. Santos
  • Paul E Reyerson, Anne Alexandre, Araks Harutyunyan, Rémi Corbineau, H. Martinez de La Torre, et al.. Evidence of old soil carbon in grass biosilica particles. Biogeosciences Discussions, European Geosciences Union, 2015, 12 (18), pp.15369 - 15410. ⟨10.5194/bgd-12-15369-2015⟩. ⟨halshs-01739295⟩2015Evidence of old soil carbon in grass biosilica particlesPaul E ReyersonAnne AlexandreAraks HarutyunyanRémi CorbineauH. Martinez de La TorreF. BadeckL. CattivelliGuaciara M Santos
  • Marcela C Matteuzzo, Cecília Volkmer-Ribeiro, Angélica F.D.C. Varajão, César A.C. Varajão, Anne Alexandre, et al.. Environmental factors related to the production of a complex set of spicules in a tropical freshwater sponge. Anais da Academia Brasileira de Ciências, Academia Brasileira de Ciências, 2015, 87 (4), pp.2013 - 2029. ⟨10.1590/0001-3765201520140461⟩. ⟨hal-01909524⟩2015Environmental factors related to the production of a complex set of spicules in a tropical freshwater spongeMarcela C MatteuzzoCecília Volkmer-RibeiroAngélica F.D.C. VarajãoCésar A.C. VarajãoAnne AlexandreDemetrio L GuadagninAriana C.S. Almeida
  • Benjamin Quesada, Florence Sylvestre, Françoise Vimeux, Jessica Black, Christine Paillès, et al.. Impact of Bolivian paleolake evaporation on the δ18O of the Andean glaciers during the last deglaciation (18.5–11.7 ka): diatom-inferred δ18O values and hydro-isotopic modeling. Quaternary Science Reviews, Elsevier, 2015, 120, pp.93-106. ⟨10.1016/j.quascirev.2015.04.022⟩. ⟨hal-01909526⟩2015Impact of Bolivian paleolake evaporation on the δ18O of the Andean glaciers during the last deglaciation (18.5–11.7 ka): diatom-inferred δ18O values and hydro-isotopic modelingBenjamin QuesadaFlorence SylvestreFrançoise VimeuxJessica BlackChristine PaillèsCorinne SonzogniAnne AlexandrePierre-Henri BlardAlain TonettoJean-Charles MazurHélène Bruneton
  • 2013
  • Rémi Corbineau, Paul E Reyerson, Anne Alexandre, Guaciara M Santos. Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysis. Review of Palaeobotany and Palynology, Elsevier, 2013, 197, pp.179 - 185. ⟨10.1016/j.revpalbo.2013.06.001⟩. ⟨hal-01909529⟩2013Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysisRémi CorbineauPaul E ReyersonAnne AlexandreGuaciara M Santos
  • Heloisa H.G. Coe, Anne Alexandre, Cacilda Carvalho, Guaciara M Santos, Antonio da Silva, et al.. Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil): Evidence from soil phytolith assemblages. Quaternary International, Elsevier, 2013, 287, pp.63 - 72. ⟨10.1016/j.quaint.2012.02.044⟩. ⟨hal-01909532⟩2013Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil): Evidence from soil phytolith assemblagesHeloisa H.G. CoeAnne AlexandreCacilda CarvalhoGuaciara M SantosAntonio da SilvaLeandro O.F. SousaIgo Lepsch
  • Rémi Corbineau, Paul E. Reyerson, Anne Alexandre, Guaciara M. Santos. Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysis. Review of Palaeobotany and Palynology, Elsevier, 2013, pp.179-185. ⟨10.1016/j.revpalbo.2013.06.001⟩. ⟨halshs-00957270⟩2013Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysisRémi CorbineauPaul E. ReyersonAnne AlexandreGuaciara M. Santos
  • L. Bremond, A. Alexandre, O. Peyron, Joel Guiot. Statistical relationships between AET/PET and phytolith indices (vol 32, pg 311, 2005). Journal of Biogeography, Wiley, 2013, 40 (1), pp.208. ⟨10.1111/jbi.12049⟩. ⟨hal-01457744⟩2013Statistical relationships between AET/PET and phytolith indices (vol 32, pg 311, 2005)L. BremondA. AlexandreO. PeyronJoel Guiot
  • 2012
  • Guaciara M. Santos, Anne Alexandre, John R. Southon, Kathleen K. Treseder, Rémi Corbineau, et al.. Possible source of ancient carbon in phytolith concentrates from harvested grasses. Biogeosciences, European Geosciences Union, 2012, 9 (5), pp.1873-1884. ⟨10.5194/bg-9-1873-2012⟩. ⟨halshs-00803031⟩2012Possible source of ancient carbon in phytolith concentrates from harvested grassesGuaciara M. SantosAnne AlexandreJohn R. SouthonKathleen K. TresederRémi CorbineauPaul E. Reyerson
  • Guaciara M. Santos, John R. Southon, Anne Alexandre, Rémi Corbineau, Paul E. Reyerson. Interactive comment on ″Comment on : ″Possible source of ancient carbon in phytolith concentrates from harvested grasses″ by G.M. Santos et al. (2012)″ by L.A. Sullivan and J.F. Parr. Biogeosciences Discussions, European Geosciences Union, 2012, 9, pp.6114-6124. ⟨halshs-00803033⟩2012Interactive comment on ″Comment on : ″Possible source of ancient carbon in phytolith concentrates from harvested grasses″ by G.M. Santos et al. (2012)″ by L.A. Sullivan and J.F. ParrGuaciara M. SantosJohn R. SouthonAnne AlexandreRémi CorbineauPaul E. Reyerson
  • A. Alexandre, J. Crespin, F. Sylvestre, C. Sonzogni, D. W. Hilbert. Corrigendum to `The oxygen isotopic composition of phytolith assemblages from tropical rainforest soil tops (Queensland, Australia): validation of a new paleoenvironmental tool' published in Clim. Past, 8, 307-324, 2012. Climate of the Past, European Geosciences Union (EGU), 2012, 8 (3), pp.1091. ⟨10.5194/cp-8-1091-2012⟩. ⟨hal-01795353⟩2012Corrigendum to `The oxygen isotopic composition of phytolith assemblages from tropical rainforest soil tops (Queensland, Australia): validation of a new paleoenvironmental tool' published in Clim. Past, 8, 307-324, 2012A. AlexandreJ. CrespinF. SylvestreC. SonzogniD. W. Hilbert
  • G. M Santos, A. Alexandre, J R Southon, K. K Treseder, R. Corbineau, et al.. Possible source of ancient carbon in phytolith concentrates from harvested grasses. Biogeosciences, European Geosciences Union, 2012, 9 (5), pp.1873 - 1884. ⟨10.5194/bg-9-1873-2012⟩. ⟨hal-01909550⟩2012Possible source of ancient carbon in phytolith concentrates from harvested grassesG. M SantosA. AlexandreJ R SouthonK. K TresederR. CorbineauP. E Reyerson
  • Anne Alexandre, J. Crespin, F. Sylvestre, C. Sonzogni, D. W Hilbert. The oxygen isotopic composition of phytolith assemblages from tropical rainforest soil tops (Queensland, Australia): validation of a new paleoenvironmental tool. Climate of the Past, European Geosciences Union (EGU), 2012, 8 (1), pp.307 - 324. ⟨10.5194/cp-8-307-2012⟩. ⟨hal-01909556⟩2012The oxygen isotopic composition of phytolith assemblages from tropical rainforest soil tops (Queensland, Australia): validation of a new paleoenvironmental toolAnne AlexandreJ. CrespinF. SylvestreC. SonzogniD. W Hilbert
  • 2011
  • Anne Alexandre, Mickael Bouvet, Luc Abbadie. The role of savannas in the terrestrial Si cycle: A case-study from Lamto, Ivory Coast. Global and Planetary Change, Elsevier, 2011, 78 (3-4), pp.162 - 169. ⟨10.1016/j.gloplacha.2011.06.007⟩. ⟨hal-01909564⟩2011The role of savannas in the terrestrial Si cycle: A case-study from Lamto, Ivory CoastAnne AlexandreMickael BouvetLuc Abbadie
  • Bernhard Chapligin, Melanie J Leng, Elizabeth Webb, Anne Alexandre, Justin P Dodd, et al.. Inter-laboratory comparison of oxygen isotope compositions from biogenic silica. Geochimica et Cosmochimica Acta, Elsevier, 2011, 75 (22), pp.7242 - 7256. ⟨10.1016/j.gca.2011.08.011⟩. ⟨hal-01909561⟩2011Inter-laboratory comparison of oxygen isotope compositions from biogenic silicaBernhard ChapliginMelanie J LengElizabeth WebbAnne AlexandreJustin P DoddAkira IjiriAndreas LückeAldo ShemeshAndrea AbelmannUlrike HerzschuhFred J LongstaffeHanno MeyerRobert Moschenyusuke OkazakiNicholas H ReesZachary D SharpHilary J SloaneCorinne SonzogniGeorge E.A. SwannFlorence SylvestreJonathan J TylerRuth yam
  • 2010
  • Clément Suavet, Anne Alexandre, Ian A Franchi, Jérôme Gattacceca, Corinne Sonzogni, et al.. Identification of the parent bodies of micrometeorites with high-precision oxygen isotope ratios. Earth and Planetary Science Letters, Elsevier, 2010, 293 (3-4), pp.313 - 320. ⟨10.1016/j.epsl.2010.02.046⟩. ⟨hal-01909569⟩2010Identification of the parent bodies of micrometeorites with high-precision oxygen isotope ratiosClément SuavetAnne AlexandreIan A FranchiJérôme GattaccecaCorinne SonzogniRichard GreenwoodLuigi FolcoPierre Rochette
  • Julien Crespin, Florence Sylvestre, Anne Alexandre, Corinne Sonzogni, Christine Paillès, et al.. Re-examination of the temperature-dependent relationship between δ18Odiatoms and δ18Olake water and implications for paleoclimate inferences. Journal of Paleolimnology, Springer Verlag, 2010, 44 (2), pp.547-557. ⟨10.1007/s10933-010-9436-2⟩. ⟨hal-01909573⟩2010Re-examination of the temperature-dependent relationship between δ18Odiatoms and δ18Olake water and implications for paleoclimate inferencesJulien CrespinFlorence SylvestreAnne AlexandreCorinne SonzogniChristine PaillèsMarie-Elodie Perga
  • Guaciara M Santos, Anne Alexandre, Heloisa H G Coe, Paul E Reyerson, John R Southon, et al.. THE PHYTOLITH 14 C PUZZLE: A TALE OF BACKGROUND DETERMINATIONS AND ACCURACY TESTS. Radiocarbon, University of Arizona, 2010, 52, pp.113 - 128. ⟨hal-01909591⟩2010THE PHYTOLITH 14 C PUZZLE: A TALE OF BACKGROUND DETERMINATIONS AND ACCURACY TESTSGuaciara M SantosAnne AlexandreHeloisa H G CoePaul E ReyersonJohn R SouthonCacilda N de Carvalho
  • 2009
  • Anne Alexandre, L. Bremond. Comment on the paper in Quaternary International: “Methodological concerns for analysis of phytolith assemblages: Does count size matter?” (C.A.E. Strömberg). Quaternary International, Elsevier, 2009, 193 (1-2), pp.141 - 142. ⟨10.1016/j.quaint.2008.03.015⟩. ⟨hal-01909593⟩2009Comment on the paper in Quaternary International: “Methodological concerns for analysis of phytolith assemblages: Does count size matter?” (C.A.E. Strömberg)Anne AlexandreL. Bremond
  • 2008
  • Laurent Bremond, Anne Alexandre, Matthew J Wooller, Christelle Hély, David Williamson, et al.. Phytolith indices as proxies of grass subfamilies on East African tropical mountains. Global and Planetary Change, Elsevier, 2008, 61 (3-4), pp.209 - 224. ⟨10.1016/j.gloplacha.2007.08.016⟩. ⟨hal-01909600⟩2008Phytolith indices as proxies of grass subfamilies on East African tropical mountainsLaurent BremondAnne AlexandreMatthew J WoollerChristelle HélyDavid WilliamsonPeter A SchäferAmos MajuleJoel Guiot
  • Julien Crespin, Anne Alexandre, Florence Sylvestre, Corinne Sonzogni, Christine Paillès, et al.. IR Laser Extraction Technique Applied to Oxygen Isotope Analysis of Small Biogenic Silica Samples. Analytical Chemistry, American Chemical Society, 2008, 80 (7), pp.2372 - 2378. ⟨10.1021/ac071475c⟩. ⟨hal-01691655⟩2008IR Laser Extraction Technique Applied to Oxygen Isotope Analysis of Small Biogenic Silica SamplesJulien CrespinAnne AlexandreFlorence SylvestreCorinne SonzogniChristine PaillèsVincent V. Garreta
  • Laurent Bremond, Anne Alexandre, Odile Peyron, Joel Guiot. Definition of grassland biomes from phytoliths in West Africa. Journal of Biogeography, Wiley, 2008, 35 (11), pp.2039-2048. ⟨10.1111/j.1365-2699.2008.01944.x⟩. ⟨hal-01909598⟩2008Definition of grassland biomes from phytoliths in West AfricaLaurent BremondAnne AlexandreOdile PeyronJoel Guiot
  • 2006
  • Anne Alexandre, Isabelle Basile-Doelsch, Corinne Sonzogni, Florence Sylvestre, Claude Parron, et al.. Oxygen isotope analyses of fine silica grains using laser-extraction technique : comparison with oxygen isotope data obtained from ion microprobe analyses and application to quartzite and silcrete cement investigation. Geochimica et Cosmochimica Acta, Elsevier, 2006, 70 (11), pp.2827 - 2835. ⟨10.1016/j.gca.2006.03.003⟩. ⟨hal-01909611⟩2006Oxygen isotope analyses of fine silica grains using laser-extraction technique : comparison with oxygen isotope data obtained from ion microprobe analyses and application to quartzite and silcrete cement investigationAnne AlexandreIsabelle Basile-DoelschCorinne SonzogniFlorence SylvestreClaude ParronJean-Dominique MeunierFabrice Colin
  • J. Crespin, Anne Alexandre, C. Sonzogni, F. Sylvestre. A new protocol for oxygen isotope analysis of authigenic and biogenic fine silica grains using laser-extraction technique. Journal of Geochemical Exploration, Elsevier, 2006, 88 (1-3), pp.423 - 426. ⟨10.1016/j.gexplo.2005.08.090⟩. ⟨hal-01909582⟩2006A new protocol for oxygen isotope analysis of authigenic and biogenic fine silica grains using laser-extraction techniqueJ. CrespinAnne AlexandreC. SonzogniF. Sylvestre
  • Miriam Borba-Roschel, Anne Alexandre, Angélica Fortes Drummond Chicarino Varajão, Jean-Dominique Meunier, César Augusto Chicarino Varajão, et al.. Phytoliths as indicators of pedogenesis and paleoenvironmental changes in the Brazilian cerrado. Journal of Geochemical Exploration, Elsevier, 2006, 88 (1-3), pp.172 - 176. ⟨10.1016/j.gexplo.2005.08.032⟩. ⟨hal-01909684⟩2006Phytoliths as indicators of pedogenesis and paleoenvironmental changes in the Brazilian cerradoMiriam Borba-RoschelAnne AlexandreAngélica Fortes Drummond Chicarino VarajãoJean-Dominique MeunierCésar Augusto Chicarino VarajãoFabrice Colin
  • 2005
  • M. Madella, Anne Alexandre, T. Ball. International Code for Phytolith Nomenclature 1.0. Annals of Botany, Oxford University Press (OUP), 2005, 96 (2), pp.253 - 260. ⟨10.1093/aob/mci172⟩. ⟨hal-01909685⟩2005International Code for Phytolith Nomenclature 1.0M. MadellaAnne AlexandreT. Ball
  • Lise Cary, Anne Alexandre, Jean-Dominique Meunier, Jean-Loup Boeglin, Jean-Jacques Braun. Contribution of phytoliths to the suspended load of biogenic silica in the Nyong basin rivers (Cameroon). Biogeochemistry, Springer Verlag, 2005, 74 (1), pp.101 - 114. ⟨10.1007/s10533-004-2945-1⟩. ⟨hal-01909688⟩2005Contribution of phytoliths to the suspended load of biogenic silica in the Nyong basin rivers (Cameroon)Lise CaryAnne AlexandreJean-Dominique MeunierJean-Loup BoeglinJean-Jacques Braun
  • L Bremond, Anne Alexandre, C Hely, Joel Guiot. A phytolith index as a proxy of tree cover density in tropical areas: Calibration with Leaf Area Index along a forest-savanna transect in southeastern Cameroon. Global and Planetary Change, Elsevier, 2005, 45 (4), pp.277-293. ⟨10.1016/j.gloplacha.2004.09.002⟩. ⟨hal-01457697⟩2005A phytolith index as a proxy of tree cover density in tropical areas: Calibration with Leaf Area Index along a forest-savanna transect in southeastern CameroonL BremondAnne AlexandreC HelyJoel Guiot
  • L Bremond, A. Alexandre, O Peyron, Joel Guiot. Grass water stress estimated from phytoliths in West Africa. Journal of Biogeography, Wiley, 2005, 32 (2), pp.311-327. ⟨10.1111/j.1365-2699.2004.01162.x⟩. ⟨hal-01457696⟩2005Grass water stress estimated from phytoliths in West AfricaL BremondA. AlexandreO PeyronJoel Guiot
  • Dominique Schwartz, M. Thinon, Stéphanie Goepp, C. Schmitt, J. Casner, et al.. Premières datations directes de défrichements protohistoriques sur les chaumes secondaires des Vosges (Rossberg, Haut-Rhin). Approche pédoanthracologique.. C.R. Géosciences, 2005, pp. 1250-1256. ⟨halshs-00164093⟩2005Premières datations directes de défrichements protohistoriques sur les chaumes secondaires des Vosges (Rossberg, Haut-Rhin). Approche pédoanthracologique.Dominique SchwartzM. ThinonStéphanie GoeppC. SchmittJ. CasnerThierry RosiqueP. WuscherA. AlexandreE. DambrineC. MartinB. Guillet
  • Dominique Schwartz, Michel Thinon, Stéphanie Goepp, Christian Schmitt, Julien Casner, et al.. First dating of protohistorical forest clearings on the Vosges grasslands (Rossberg, Haut-Rhin, France). A pedoanthracological study. Comptes Rendus Géoscience, Elsevier, 2005, 337 (14), pp.1250-1256. ⟨10.1016/j.crte.2005.06.004⟩. ⟨hal-01909687⟩2005First dating of protohistorical forest clearings on the Vosges grasslands (Rossberg, Haut-Rhin, France). A pedoanthracological studyDominique SchwartzMichel ThinonStéphanie GoeppChristian SchmittJulien CasnerThierry RosiquePatrice WuscherAnne AlexandreEtienne E. DambrineCharly MartinBernard Guillet
  • Laurent Bremond, Anne Alexandre, Odile Peyron, Joel Guiot. Grass water stress estimated from phytoliths in West Africa. Journal of Biogeography, Wiley, 2005, 32, pp.311 - 327. ⟨hal-01909602⟩2005Grass water stress estimated from phytoliths in West AfricaLaurent BremondAnne AlexandreOdile PeyronJoel Guiot
  • 2004
  • Laurent Bremond, Anne Alexandre, Errol Véla, Joel Guiot. Advantages and disadvantages of phytolith analysis for the reconstruction of Mediterranean vegetation: an assessment based on modern phytolith, pollen and botanical data (Luberon, France). Review of Palaeobotany and Palynology, Elsevier, 2004, 129 (4), pp.213 - 228. ⟨10.1016/j.revpalbo.2004.02.002⟩. ⟨hal-01909607⟩2004Advantages and disadvantages of phytolith analysis for the reconstruction of Mediterranean vegetation: an assessment based on modern phytolith, pollen and botanical data (Luberon, France)Laurent BremondAnne AlexandreErrol VélaJoel Guiot
  • Anne Alexandre, Jean-Dominique Meunier, Emmanuelle Llorens, Steve M Hill, Samuel M Savin. Methodological improvements for investigating silcrete formation: petrography, FT-IR and oxygen isotope ratio of silcrete quartz cement, Lake Eyre Basin (Australia). Chemical Geology, Elsevier, 2004, 211 (3-4), pp.261-274. ⟨10.1016/j.chemgeo.2004.06.024⟩. ⟨hal-01909690⟩2004Methodological improvements for investigating silcrete formation: petrography, FT-IR and oxygen isotope ratio of silcrete quartz cement, Lake Eyre Basin (Australia)Anne AlexandreJean-Dominique MeunierEmmanuelle LlorensSteve M HillSamuel M Savin
  • 2003
  • Claire Delhon, Anne Alexandre, Jean-François Berger, Stephanie Thiebault, Jacques-Léopold Brochier, et al.. Phytolith assemblages as a promising tool for reconstructing Mediterranean Holocene vegetation. Quaternary Research, Elsevier, 2003, 59 (1), pp.48-60. ⟨hal-01909885⟩2003Phytolith assemblages as a promising tool for reconstructing Mediterranean Holocene vegetationClaire DelhonAnne AlexandreJean-François BergerStephanie ThiebaultJacques-Léopold BrochierJean-Dominique Meunier
  • 1999
  • Annie Vincens, Dominique Schwartz, Hilaire Elenga, Isabelle Reynaud-Farrera, Anne Alexandre, et al.. Forest response to climate changes in Atlantic Equatorial Africa during the last 4000 years BP and inheritance on the modern landscapes. Journal of Biogeography, Wiley, 1999, 26 (4), pp.879 - 885. ⟨10.1046/j.1365-2699.1999.00333.x⟩. ⟨hal-01909693⟩1999Forest response to climate changes in Atlantic Equatorial Africa during the last 4000 years BP and inheritance on the modern landscapesAnnie VincensDominique SchwartzHilaire ElengaIsabelle Reynaud-FarreraAnne AlexandreJacques BertauxAndré A. MariottiLouis MartinJean-Dominique MeunierFrancois NguetsopMichel ServantSimone Servant-VildaryDenis Wirrmann
  • Anne Alexandre, Jean-Dominique Meunier, André A. Mariotti, François Soubiès. Late Holocene phytolith and carbon-isotope record from a Latosol at Salitre, South-Central Brazil. Quaternary Research, Elsevier, 1999, 51 (2), pp.187-194. ⟨hal-01909696⟩1999Late Holocene phytolith and carbon-isotope record from a Latosol at Salitre, South-Central BrazilAnne AlexandreJean-Dominique MeunierAndré A. MariottiFrançois Soubiès
  • D. Barboni, Raymonde Bonnefille, A. Alexandre, J. D. Meunier. Phytoliths as paleoenvironmental indicators, West Side Middle Awash Valley, Ethiopia. Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 1999, 152 (1-2), pp.87-100. ⟨10.1016/s0031-0182(99)00045-0⟩. ⟨hal-01909694⟩1999Phytoliths as paleoenvironmental indicators, West Side Middle Awash Valley, EthiopiaD. BarboniRaymonde BonnefilleA. AlexandreJ. D. Meunier
  • yves Claude Simone, Jean-Dominique Meunier, Anne Alexandre, Jean-Louis Ballais. Les phytolithes comme marqueurs paléoenvironnementaux dans l'Atlas atlantique (Maroc). Etudes de Géographie Physique, UMR 6012 "ESPACE" - Équipe G.V.E. 1999, La montagne méditerranéenne, XXVIII, pp.67-74. ⟨hal-01569012⟩1999Les phytolithes comme marqueurs paléoenvironnementaux dans l'Atlas atlantique (Maroc)yves Claude SimoneJean-Dominique MeunierAnne AlexandreJean-Louis Ballais
  • 1997
  • Anne Alexandre, Jean-Dominique Meunier, Fabrice Colin, Jean-Mathias Koud. Plant impact on the biogeochemical cycle of silicon and related weathering processes. Geochimica et Cosmochimica Acta, Elsevier, 1997, 61 (3), pp.677-682. ⟨10.1016/S0016-7037(97)00001-X⟩. ⟨hal-01909699⟩1997Plant impact on the biogeochemical cycle of silicon and related weathering processesAnne AlexandreJean-Dominique MeunierFabrice ColinJean-Mathias Koud
  • Anne Alexandre, J.-D Meunier, Anne-Marie Lezine, A. Vincens, D. Schwartz. Phytoliths : indicators of grassland dynamics during the late Holocene in intertropical Africa. Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 1997, 136, pp.213 - 229. ⟨10.1016/S0031-0182(97)00089-8⟩. ⟨hal-01909698⟩1997Phytoliths : indicators of grassland dynamics during the late Holocene in intertropical AfricaAnne AlexandreJ.-D MeunierAnne-Marie LezineA. VincensD. Schwartz
  • 1994
  • Anne Alexandre, Fabrice Colin, Jean-Dominique Meunier. Les Phytolithes, indicateurs du cycle biogeochimique du silicium en forêt équatoriale. Comptes Rendus de l'Académie des Sciences de Paris.Série 2 : Sciences de la Terre et des Planètes, 1994, 319, pp.453-458. ⟨hal-01909700⟩1994Les Phytolithes, indicateurs du cycle biogeochimique du silicium en forêt équatorialeAnne AlexandreFabrice ColinJean-Dominique Meunier
  • 1979
  • A. Alexandre, J. Martinet. Aspects théorique et pratique des échanges thermiques dans la cavité vitre-absorbeur d'un capteur plan. Revue de Physique Appliquée, Société française de physique / EDP, 1979, 14 (1), pp.81-85. ⟨10.1051/rphysap:0197900140108100⟩. ⟨jpa-00244593⟩1979Aspects théorique et pratique des échanges thermiques dans la cavité vitre-absorbeur d'un capteur planA. AlexandreJ. Martinet

    2021

  • Abdallah Nassour yacoub, Florence Sylvestre, Abderamane Moussa, Philipp Hoelzmann, Michele Dinies, et al.. Les diatomées lacustres du Trou au Natron (Tibesti, Tchad) : nouvelles perspectives sur le climat du Sahara à l'Holocène. 27e édition de la Réunion des Sciences de la Terre, SGF, CNRS, Laboratoire de Géologie de Lyon ou l’étude de la Terre, des planètes et de l’environnement, Nov 2021, Lyon, France. ⟨hal-03588048⟩2021Les diatomées lacustres du Trou au Natron (Tibesti, Tchad) : nouvelles perspectives sur le climat du Sahara à l'HolocèneAbdallah Nassour yacoubFlorence SylvestreAbderamane MoussaPhilipp HoelzmannMichele DiniesAnne AlexandreMartine CouapelJean-Charles MazurCorrine SonzogniChristine PaillesStefan Kröpelin
  • Claudia Voigt, Christine Vallet-Coulomb, Clément Piel, Ilja Reiter, Jean-Philippe Orts, et al.. First field record of 17O-excess of atmospheric vapor measured by cavity ring-down spectroscopy. Goldschmidt 2021, Jul 2021, Virtual, France. ⟨10.7185/gold2021.5146⟩. ⟨hal-03544623⟩2021First field record of 17O-excess of atmospheric vapor measured by cavity ring-down spectroscopyClaudia VoigtChristine Vallet-CoulombClément PielIlja ReiterJean-Philippe OrtsIrène Xueref-RemyMathieu SantonjaAnne Alexandre
  • Christine Vallet-Coulomb, A. Alexandre, Clément Outrequin, Christophe Peugeot, Martine Couapel, et al.. The triple oxygen isotope composition of phytoliths, a proxy of relative humidity: impact of the triple oxygen isotope composition of soil water and vegetation type. Goldschmidt Conference, virtual, Jul 2021, Lyon, France. ⟨hal-03549808⟩2021The triple oxygen isotope composition of phytoliths, a proxy of relative humidity: impact of the triple oxygen isotope composition of soil water and vegetation typeChristine Vallet-CoulombA. AlexandreClément OutrequinChristophe PeugeotMartine CouapelAmaelle LandaisJean-Charles Mazur,Corinne SonzogniMaxime Wubda
  • 2020

  • Christine Vallet-Coulomb, Anne Alexandre, Christophe Peugeot, Abdoukarim Alassane, Vinel Gbewezoun, et al.. Contribution of the triple oxygen isotope composition of precipitation to the identification of surface-atmosphere interactions in the sub-humid part of West Africa. EGU General Assembly 2020, May 2020, Vienne (virtuel), Austria. ⟨10.5194/egusphere-egu2020-13543⟩. ⟨hal-03552174⟩2020Contribution of the triple oxygen isotope composition of precipitation to the identification of surface-atmosphere interactions in the sub-humid part of West AfricaChristine Vallet-CoulombAnne AlexandreChristophe PeugeotAbdoukarim AlassaneVinel GbewezounMartine CouapelClément OutrequinThéodore OuaniSimon Afouda
  • Anne Alexandre, Clément Outrequin, Christine Vallet-Coulomb, Amaelle Landais, Clément C. Piel, et al.. Factors controlling the triple oxygen isotope composition of grass leaf water and phytoliths: insights for paleoenvironmental reconstructions. EGU General Assembly 2020, May 2020, Vienne (virtuel), Austria. ⟨hal-03550755⟩2020Factors controlling the triple oxygen isotope composition of grass leaf water and phytoliths: insights for paleoenvironmental reconstructionsAnne AlexandreClément OutrequinChristine Vallet-CoulombAmaelle LandaisClément C. PielSébastien DevidalChristophe PeugeotSimon AfoudaT. OuaniE WebbMartine CouapelCorinne SonzogniJean-Charles Mazur,F Prié
  • 2019

  • C Outrequin, A. Alexandre, C Vallet-Coulomb, A. Landais, C Piel, et al.. Exploring the driving factors of the triple oxygen isotope composition of water at the soil/plant/atmosphere interface in climate chamber. EGU General Assembly 2019, Apr 2019, Vienne, Austria. ⟨hal-03550938⟩2019Exploring the driving factors of the triple oxygen isotope composition of water at the soil/plant/atmosphere interface in climate chamberC OutrequinA. AlexandreC Vallet-CoulombA. LandaisC PielS DevidalM. CouapelC SonzogniF PriéM Pierre
  • Z. Guoz, Audrey A Bouvier, L. Webb, A. Alexandre, Fred J. Longstaffe, et al.. A new not so eucrite-like ungrouped achondrite: northwest africa 12338. 50th Lunar and Planetary Conference, Mar 2019, Houston, United States. ⟨hal-02526360⟩2019A new not so eucrite-like ungrouped achondrite: northwest africa 12338Z. GuozAudrey A BouvierL. WebbA. AlexandreFred J. LongstaffeR.A. KorotevZ. ZajaczMaud Boyet
  • C Vallet-Coulomb, A. Alexandre, C Outrequin, A. Alassane, T. Stieglitz, et al.. Stable isotope composition (δ 2 H, δ 18 O AND δ 17 O) of rainfall in Benin, West Africa. International Symposium on Isotope Hydrology 2019, 2019, Vienne, Austria. ⟨hal-03551193⟩2019Stable isotope composition (δ 2 H, δ 18 O AND δ 17 O) of rainfall in Benin, West AfricaC Vallet-CoulombA. AlexandreC OutrequinA. AlassaneT. StieglitzC. PeugeotM. CouapelC. SonzogniE. VissinS. AfoudaT. Ouani
  • Z. Guo, A. Bouvier, L. Webb, A. Alexandre, R.A. Korotev, et al.. A new not so eucrite-like ungrouped achondrite: northwest africa 12338. 50th Lunar and Planetary Conference, Mar 2019, Houston, United States. ⟨hal-02404372⟩2019A new not so eucrite-like ungrouped achondrite: northwest africa 12338Z. GuoA. BouvierL. WebbA. AlexandreR.A. KorotevZ. ZajaczMaud Boyet
  • 2018

  • A. Alexandre. First results of the HUMI-17 project - Past dynamic of continental atmospheric relative humidity, new insights from the triple isotope composition of oxygen. Colloquium of the Earth Sciences Department of Western University London, Jan 2018, Ontario, Canada. ⟨hal-03552210⟩2018First results of the HUMI-17 project - Past dynamic of continental atmospheric relative humidity, new insights from the triple isotope composition of oxygenA. Alexandre
  • 2017

  • Rosine Cartier, Florence Sylvestre, Christine Paillès, Corinne Sonzogni, Martine Couapel, et al.. Oxygen isotopes in biogenic silica and diatom assemblages from Lake Petit (2200 m a.s.l) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 kyr BP. IBIS Conference “Silicon, Silica and their Isotopes », May 2017, Blanes, Spain. ⟨hal-02568646⟩2017Oxygen isotopes in biogenic silica and diatom assemblages from Lake Petit (2200 m a.s.l) in the Mediterranean Alps: shedding light on a climatic pulse at 4.2 kyr BPRosine CartierFlorence SylvestreChristine PaillèsCorinne SonzogniMartine CouapelAnne AlexandreJean-Charles Mazur,Frédéric GuiterElodie BrissetCécile Miramont
  • 2016

  • A. Alexandre, S Pauchet, A Landais, C Piel, S. Devidal, et al.. Towards a new proxy of continental atmospheric humidity: the triple oxygen isotopic composition of plant biosilica. AGU 2016, Dec 2016, San Francisco, United States. ⟨hal-03550345⟩2016Towards a new proxy of continental atmospheric humidity: the triple oxygen isotopic composition of plant biosilicaA. AlexandreS PauchetA LandaisC PielS. DevidalJ RoyC Vallet-CoulombC SonzogniM PasturelP CornuaultJ XinJ. C. MazurF PriéI Bentaleb
  • M Pasturel, A. Alexandre, C. Cordova, A. Wélé, A. Touré, et al.. Determining new C4 grass plant functional types to reflect the grass cover diversity in Africa. 10th international meeting on phytolith research, Sep 2016, Aix en Provence, France. ⟨hal-03551405⟩2016Determining new C4 grass plant functional types to reflect the grass cover diversity in AfricaM PasturelA. AlexandreC. CordovaA. WéléA. TouréJ. C. MazurC. Hely-Alleaume
  • A. Alexandre, Jérôme Balesdent, Isabelle Basile-Doelsch, Daniel Borschneck, Patrick Cazevieille, et al.. Origin, location and molecular characterization of phytolith carbon: insights for the phytolith carbon cycle.. 10th international meeting on phytolith research, Sep 2016, Aix en Provence., France. ⟨hal-03552387⟩2016Origin, location and molecular characterization of phytolith carbon: insights for the phytolith carbon cycle.A. AlexandreJérôme BalesdentIsabelle Basile-DoelschDaniel BorschneckPatrick CazevieilleClaire M Chevassus-RossetEmmanuel DoelschAraks HarutyunyanLaurent LeméeArmand MasionJean-Charles Mazur,Helene MichePhilippe SignoretGuaciara M. SantosStéphane VielFabio Ziarelli
  • A Thomen, K Nagashima, M. Couapel, C Sonzogni, A. Alexandre, et al.. Evaluation of potential standards for oxygen isotope microanalysis. Goldschmidt 2016, 2016, Yokohama, Japan. ⟨hal-03551307⟩2016Evaluation of potential standards for oxygen isotope microanalysisA ThomenK NagashimaM. CouapelC SonzogniA. AlexandreG R HussA. N. Krot
  • 2014

  • G. Santos, Araks Harutyunyan, A. Alexandre, Paul E Reyerson, Kimberley L. Gallagher, et al.. The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivity. American Geophysical Union, Fall Meeting 2014, Dec 2014, San Francisco, United States. ⟨hal-03552507⟩2014The next chapter of direct phytolith 14C dating: debunking the myth of occluded photosynthetic carbon exclusivityG. SantosAraks HarutyunyanA. AlexandrePaul E ReyersonKimberley L. GallagherIsabelle Basile-Doelsch
  • 2013

  • Rémi Corbineau, Stefano Campana, Aline Durand, Anne Alexandre. L’utilisation funéraire des plantes par une communauté paysanne du Moyen Âge. Étude palynologique sur le site de la Pieve di Pava (San Giovanni d’Asso, Toscane, Italie). 5e Rencontres du Gaaf, Le paysage du cimetière médiéval et moderne, Matthieu Gaultier; Anne Dietrich; Alexis Corrochano, Apr 2013, La Riche, France. ⟨halshs-01740385⟩2013L’utilisation funéraire des plantes par une communauté paysanne du Moyen Âge. Étude palynologique sur le site de la Pieve di Pava (San Giovanni d’Asso, Toscane, Italie)Rémi CorbineauStefano CampanaAline DurandAnne Alexandre
  • 2011

  • Rémi Corbineau, Guaciara M. Santos, Anne Alexandre, Paul E. Reyerson. Is 14C-AMS analysis of phytoliths a suitable tool ?. American Geophysical Union Fall Meeting 2011, Dec 2011, San Francisco (California), United States. ⟨halshs-00803013⟩2011Is 14C-AMS analysis of phytoliths a suitable tool ?Rémi CorbineauGuaciara M. SantosAnne AlexandrePaul E. Reyerson
  • 2006

  • A. Alexandre, y. Bertin, D. Karmed, P. Lagonotte, J.M. Petit. Modélisation système appliquée à l'optimisation énergétique des moteurs thermiques. Journées SFT, 2006, PARIS, France. pp. ⟨hal-00476475⟩2006Modélisation système appliquée à l'optimisation énergétique des moteurs thermiquesA. Alexandrey. BertinD. KarmedP. LagonotteJ.M. Petit
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Anne Alexandre

alexandre@cerege.fr

CEREGE, UMR 7330 CNRS                                                           

Europôle méditerranéen de l'Arbois, 

BP 80, 13545 Aix en Provence cedex 04, France                                                           

Phone: (+33) 04 42 97 15 42

 

 

 

CURRENT POSITION

2014-Present         Director of research/Senior scientist, CNRS, CEREGE (Aix-en-Provence, France)

 

RESEARCH EXPERIENCE

1998- Present              CEREGE (Aix en Provence, France), CNRS, Research fellow and Senior scientist

. Dynamic of the water cycle: insights from the triple oxygen isotope composition of water and silicates

. Plants in the silicon and carbon cycles: insights from the geochemistry of plant silica

. Past dynamic of herbaceous environments: insights from phytolith morphological assemblages

. Past vegetation reconstructions: calibrations for model/data comparisons

 

08/2017- 08/2018  Invited professor Western University (ON, Canada)

 

1996-1998                  Case Western Reserv University (OH, USA), Lavoisier Post-doctoral fellow

. Reconstruction of silicrete formation and pedogenesis: the oxygen isotopic composition of silicates

 

EDUCATION

2009 Habilitation for research direction, Aix-Marseille University

1998 PhD Environmental Sciences, Aix-Marseille University

 

SKILLS AND TECHNIQUES

. Laser-fluorination-IRMS analyses of the triple oxygen isotope composition of silicates

. FT-IR, SEM-EDS, NanoSIMS

. Isotopic labelling

. Growth chamber experimental monitoring

. Phytolith high purity extractions and microscopy counting

. Soil and vegetation sampling

 

RESEARCH ADMINISTRATION AND COORDINATION

1999-Present PI of 12 French projects (INSU, INEE, Labex OT-MED, ANR), participation to NSF (USA) projects

2018-Present   Scientific manager of the Stable Isotope Laboratory at CEREGE

2017-Present   Member of the EC2CO/BIOHEFECT program scientific committee

2012-2017      Coordinator of CEREGE group “Environmental variability and impact on ecosystems” 

2000-Present  Scientific manager of CEREGE stable isotopes lab-Silicates

2012-2017      Membre of CEREGE scientific council 

2012 -2014     Membre of CEREGE laboratory council

2013                Coordinator for the « SIC/ Paleoenvironments prospectives » writing group 

2008-2012      Member of section 20 of the scientific committee of CNRS

2009                Member of working group «Sciences de l’Environnement» for the SNRI («Stratégie Nationale de la Recherche et de l’Innovation»).

2000-2002      Member of « Commission de Spécialistes de l’Enseignement Supérieur 35/36 ».

1998-2012      Manager of CEREGE phytolith laboratory

 

 

TEACHING AND SUPERVISION

2000-Present   Supervision : 8 PhD students and post-doctOral fellows, 8 Master students

                        Teaching : 10-20H/year in under-graduate and post-graduate classes

                                   

PUBLICATIONS

. 47 publications in peer reviewed journals (e.g. GCA, Chem. Geol., EPSL, Anal. Chem., Clim. Past, Global and Planetary Change, Biogeosciences, Palaeo 3, Quat. Res., Radiocarbon).

. h-index (Scopus): 26

1.             Santos, G.M., Masion, A., and Alexandre, A. (2018). When the carbon being dated is not what you think it is: Insights from phytolith carbon research. Quaternary Science Reviews 197, 162–174.

2.             Alexandre, A., Landais, A., Vallet-Coulomb, C., Piel, C., Devidal, S., Pauchet, S., Sonzogni, C., Couapel, M., Pasturel, M., Cornuault, P., et al. (2018). The triple oxygen isotope composition of phytoliths as a proxy of continental atmospheric humidity: insights from climate chamber and climate transect calibrations. Biogeosciences 15, 3223–3241.

3.             Masion, A., Alexandre, A., Ziarelli, F., Viel, S., and Santos, G.M. (2017). Dynamic Nuclear Polarization NMR as a new tool to investigate the nature of organic compounds occluded in plant silica particles. Scientific Reports 7, 3430.

4.             van Ginneken, M., Gattacceca, J., Rochette, P., Sonzogni, C., Alexandre, A., Vidal, V., and Genge, M.J. (2017). The parent body controls on cosmic spherule texture: Evidence from the oxygen isotopic compositions of large micrometeorites. Geochimica et Cosmochimica Acta 212, 196–210.

5.             Santos , G.M. and Alexandre A. (2017). The Phytolith Carbon Sequestration Concept: Fact or Fiction? A comment on “Occurrence, 1 turnover and carbon sequestration potential of phytoliths in terrestrial ecosystems by Song et al. Earth and Science Reviews 164, 251-255.

6.             Pasturel M., Alexandre A., Novello A., Dieye A.M., Paradis L., Hély C. (2016). Climatic distribution of herbaceous biomes in Africa : insights from the classification of grass morphological traits. Biotropica, 48 (3), p 311-320. Doi : 10.1111/btp.12282

7.              Santos G., Alexandre A. Prior C.A. (2016) A comment to “Phytolith Radiocarbon Dating in Archaeological and Paleoecological Research: A Case Study of Phytoliths from Modern Neotropical Plants and a Review of the Previous Dating Evidence, Journal of Archaeological Science (2015), doi: 10.1016/j.jas.2016.04.015

8.              Reyerson, P.E., Alexandre, A., Harutyunyan, A., Corbineau, R., Martinez De La Torre, H.A., Badeck, F., Cattivelli, L., and Santos, G.M. (2016). Unambiguous evidence of old soil carbon in grass biosilica particles. Biogeosciences 13, 1269–1286.doi: 10.5194/bg-13-1269-2016.

9.             Alexandre, A., Balesdent, J., Cazevieille, P., Chevassus-Rosset, C., Signoret, P., Mazur, J.-C., Harutyunyan, A., Doelsch, E., Basile-Doelsch, I., Miche, H., et al. (2016). Direct uptake of organic carbon by grass roots and allocation in leaves and phytoliths: 13C labeling evidence. Biogeosciences, 13, 1693-1703. Doi: 10.5194/bg-13-1693-2016.

10.          Santos, G.M., Alexandre, A., and Prior, C.A. (2016). From radiocarbon analysis to interpretation: A comment on “Phytolith Radiocarbon Dating in Archaeological and Paleoecological Research: A Case Study of Phytoliths from Modern Neotropical Plants and a Review of the Previous Dating Evidence”, Journal of Archaeological Science (2015), doi: 10.1016/j.jas.2015.06.002.” by Dolores R. Piperno. Journal of Archaeological Science 71, 51–58.

11.          Alexandre, A., Basile-Doelsch, I., Delhaye, T., Borshneck, D., Mazur, J.C., Reyerson, P., and Santos, G.M. (2015). New highlights of phytolith structure and occluded carbon location: 3-D X-ray microscopy and NanoSIMS results. Biogeosciences 12, 863–873. doi: 10.5194/bg-13-169

12.          Matteuzzo, M.C., Volkmer-Ribeiro, C., Varajão, A.F.D.C., Varajão, C. a. C., Alexandre, A., Guadagnin, D.L., Almeida, A.C.S., Matteuzzo, M.C., Volkmer-Ribeiro, C., Varajão, A.F.D.C., et al. (2015). Environmental factors related to the production of a complex set of spicules in a tropical freshwater sponge. An. Acad. Bras. Ciênc.87, 2013–2029. doi: 10.1590/0001-3765201520140461

13.          Quesada B., Sylvestre F., Vimeux F., Black J.L., Paillès P., Sonzogni C., Alexandre A., Blard P.H., Tonetto A.,  Mazur J.C., Bruneton H. (2015) Impact of Bolivian paleolake evaporation on the d18O of the Andean glaciers during the last deglaciation (18.5-11.7 ka): diatom-inferred d18O values and hydro-isotopic modelling. Quaternary Science Review 120, 96-106. Doi: 10.1016/j.quascirev.2015.04.022

14.          Matteuzzo, M.C., Alexandre, A., Varajão, A.F.D.C., Volkmer-Ribeiro, C., Almeida, A.C.S., Varajão, C.A.C., Vallet-Coulomb, C., Sonzogni, C., and Miche, H. (2013). Assessing the relationship between the δ18O signatures of siliceous sponge spicules and water in a~tropical lacustrine environment (Minas Gerais, Brazil). Biogeosciences Discuss 10, 12887–12918. Doi:10.5194/bgd-10-12887-2013

15.          Corbineau, R., Reyerson, P.E., Alexandre, A., and Santos, G.M. (2013). Towards producing pure phytolith concentrates from plants that are suitable for carbon isotopic analysis. Rev. Palaeobot. Palynol. 197, 179–185. Doi: 10.1016/j.revpalbo.2013.06.001

16.          Coe H.., Alexandre A., Carvalho C.N., Santos G.M., Silva A.S., Sousa L.F., Lepsch I.F. 2013. Changes in Holocene tree cover density in Cabo Frio (Rio de Janeiro, Brazil)? Tracks from soil phytolith assemblages. Quaternary International, 63-72. Doi: 10.1016/j.quaint.2012.02.044

17.          Santos G. M. , Alexandre A., Southon J. R. , Treseder K. K. , Corbineau R. , and Reyerson P. E. 2012. Possible source of ancient carbon in phytolith concentrates from harvested grasses. Biogeosciences, 9, 1873-1884. Doi: 10.5194/bg-9-1873-2012

18.          Alexandre, A., Crespin, J., Sonzogni, C. Sylvestre, F., D. Hilbert. 2012. The oxygen isotopic composition of phytoliths from tropical rainforest soils (Queensland, Australia): application of a new paleoenvironmental tool. Clim. Past. 8 , 307-324. Doi: 10.5194/cp-8-307-2012

19.          Chapligin B., L. M. J., Webb L., Alexandre A., Dodde J.P., Ijiri A., Lücke A, Shemesh A., Abelmann A., Herzschuha U., Longstaffe F.J., Meyera H., Moschen R., Okazaki Y., Reesi N.H., Sharp Z.D., Sloane H.J., Sonzogni C., Swann G.E.A., Sylvestre F., Tyler J.J., Yam R. 2011. Inter-laboratory comparison of oxygen isotopes from biogenic silica. Geochim. et Cosmochim. Acta. 75 (22), 7242-7256. doi: 10.1016/j.gca.2011.08.011

20.          Alexandre A., Bouvet M., Abbadie L., 2011. The role of savannas in the terrestrial Si cycle: a case-study from Lamto, Ivoiry Coast. Global and Planetary Change78, 162-169. doi: 10.1016/j.gloplacha.2011.06.007

21.          Suavet C., Alexandre A., Franchi I. A., Gattacceca J., Sonzogni C., Folco L., Greenwood  R. C. and Rochette P. 2010. Identification of the parent bodies of micrometeorites with high-precision oxygen  isotope ratios. EPSL.293, 313-320. Doi : 10.1016/j.epsl.2010.02.046

22.          Crespin J., Sylvestre F., Alexandre A., Sonzogni C., Paillès C. 2010. Re-examination of the thermo-dependent relationship between d18Odiatomsand d18Olake water. Implications for palaeoclimatic applications. Journal of Paleolimnology.DOI 10.1007/s10933-010-9436-2

23.          Santos G.M., AlexandreA., Coe  H.H.G., Reyerson P.E., SouthonJ.R., De CarvalhoC.N. 2010.  The Phytolith 14C puzzle: a tale of background determinations and accuracy tests, Radiocarbon, 52-1, 113-128. 10.2458/azu_js_rc.52.3241

24.           Alexandre A. et Bremond L. 2009. Comment to the paper: "Methodological concerns for analysis of phytolith assemblages: Does count size matter?" from C. A.E. Stromberg, Quaternary International, 193, 141-142.

25.          Bremond L; Alexandre, A.; Peyron, O.; Guiot J. 2008. Grassland biomes estimated from phytoliths in West Africa. Journal of Biogeography, 35, 2039-2048.

26.          Crespin J., Alexandre A., Sylvestre F., Sonzogni C., Paillès C. Garreta V. 2008. IR-laser-extraction technique adapted to oxygen isotopes analysis of small  biogenic silica samples” Analytical Chemistry,80, 2372-2378.

27.          Bremond L., AlexandreA., WoollerM.J., HélyC., WilliamsonD, SchäferP.A., MajuleA., GuiotJ., 2008. Phytolith indices as proxy of grass subfamilies dominance on tropical mountains from three sites in East Africa: Mt Kenya (Kenya), Mt Rungwe and Lake Masoko (Tanzania). 2008. Global Planetary Change, 61,  209–224.

28.          Alexandre A., Sonzogni C. Basile I., Sylvestre F., Parron C., Meunier J.D. and Colin F. 2006. Oxygen isotope analyses of fine silica grains using laser-extraction technique: comparison with oxygen isotope data obtained from ion microprobe analyses and application to quartzite and silcrete cement investigation. (Chapligin B. Submitted), 70, 2827-2835.

29.          Crespin, J., Alexandre, A., Sonzogni, C., Sylvestre, F.,2006 . A new protocol for oxygen isotope analyses of fine powders using laser-extraction technique: application to quartzite cements and phytolithes. Journal of Geochemical Exploration, 88, 423-426.

30.          Borba- Roschel M., Alexandre A., Meunier J.D., Drummond Chicarino Varajão A. , Chicarino Varajão C.A., Colin F. 2006 . Phytoliths as indicators of pedogenesis and paleoenvironments in the Brazilian cerrado . Journal of Geochemical Exploration. 88, 172-176.

31.          Madella M., Alexandre A., Ball T.  2005. International Code for Phytolith Nomenclature 1.0 (ICPN 1.0). Annals of Botany.96; 253-260.

32.          Schwartz D., Thinon M., Goepp S., Schmitt C., Casner J., Rosique T., Wuscher P., Alexandre A., Dambrine E., Martin C., Guillet F., 2005. First dating of protohistorical forest clearings on the Vosges grasslands (Rossberg, Haut-Rhin, France). A pedoanthracological study, C. R. Geoscience337, 1250–1256

33.          Cary L., Alexandre A., Meunier J.D., Boeglin J.L. and Braun J.J. 2005.Contribution of phytoliths to the suspended load of biogenic silica in the Nyong basin rivers (Cameroon). Biogeochemistry, 74: 101-114.

34.          Bremond L, Alexandre A., Hely C., Guiot J. 2005. A phytolith index as a proxy of tree cover density in tropical areas : calibration with Leaf Area Index along a forest-savanna transect in southeastern Cameroon. Global and Planetary Change. 45, 277-293.

35.          Bremond L, Alexandre A., Peyron O., Guiot J. 2005 Grass water stress estimated from phytoliths in West Africa. Journal of Biogeography. 32, 311-327

36.          Alexandre A. Meunier J.D., Llorens E., Hill S.M. and Savin S.S. 2004. Methodological improvements for investigating silcrete formation: petrography, FT-IR and oxygen isotope ratio of silcrete quartz cement, Lake Eyre Basin (Australia).Chemical Geology, 211, 261-274.

37.          Bremond L., Alexandre A., Vélla E. and Guiot J., 2004. Advantages and disadvantages of phytolith analysis for the reconstruction of Mediterranean vegetation: an assessment based on modern phytolith, pollen and botanical data (Luberon, France). Review of Paleobotany and Palynology, 129,4, 213-228..

38.          Delhon C., Alexandre A., Berger J.F., Thiébault S., Brochier J.L. and Meunier J.D., 2003. Phytolith assemblages as a promising tool for reconstructing Mediterranean Holocene vegetation. Quaternary Research, 59, 48-60.

39.          Meunier J.D., Alexandre A., Colin F. et Braun J.J., 2001. Deciphering the dynamics of tropical soils through the study of the biogeochemical cycle of silica . Bulletin de la Société Géologique de France, 172-5, 533-538.

40.          Vincens A., Schwartz D., Elenga H., Reynaud-Farrera I., Alexandre A., Bertaux J., Mariotti A., Martin L., Meunier J-D., Nguetsop F., Servant M., Servant-Vildary S., Wirrmann D., 1999. Forest response to climate changes in Atlantic Equatorial Africa during the last 4000 years BP and inheritance on the modern landscapes, Journal of Biogeography, 26, 879-885.

41.          Barboni D., Bonnefille R., Alexandre A. and Meunier J-D. 1999. Phytolith as paleoenvironmental indicator at the Midle Awash hominid site, Ethiopia. Palaeogeography Palaeoclimatology Palaeoecology, 152, 87-100.

42.          Alexandre A., Meunier J-D., Mariotti A. and Soubiès F. 1999. Late Holocene paleoenvironmental record from a latosol at Salitre (southern central Brazil): phytolith and carbon isotope evidence. Quaternary Research., 51, 187-194.

43.          Alexandre A., Meunier J-D., Lézine A-M., Vincens A. and Schwartz D. 1998. Grassland dynamics in intertropical Africa during the late Holocene: a phytolith analysis. Palaeogeography Palaeoclimatology Palaeoecology136, 213-229.

44.          Alexandre A., Colin F., Koud J-M. and Meunier J-D. 1997.Plant impact on the biogeochemical cycle of silicon and related weathering problems. Geochim. et Cosmochim. Acta, 61 (3): 677-682.

45.   Alexandre A., Colin F. and Meunier J-D., 1994. Phytoliths as indicators of the biogeochemical turnover of silicon in equatorial forest. Compte-rendus de l'Académie des Sciences, Paris, 319 (II), pp453-458. 

46.   Pironon J., Meunier J.D., Alexandre A., Mathieu R., Mansuy L., Grosjean A. and Jarde E., 2001. Individual characterization of phytoliths: experimental approach and consequences on paleoenvironment understanding. In: Book of proceedings of the second international meeting on phytolith research. Meunier and Colin Eds.

Schwartz, D; Vincens, A; Elenga, H; Alexandre, A; Bertaux, J; Servant, M; Servant, S; Nguetsop, F; Bonvallot, J; Guillet, B; Mariotti, A; De Namur, C; Reynaud-Farrera, I; Happi, JY; Delegue, MA; Fuhr, M., 2000. Response of vegetation in Atlantic Central Africa (Congo, Cameroon) to climatic changes since the Middle Holocene: Temporal thresholds, spatial variability. In: Proceedings of the Interdisciplinary Program for Research on Environment, Life and Societies, Nov 05-07, 1997. Temporality of the environment. Book Series: Paysages et Environnements, Presses Univ Mirail, Toul

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