Sylvain Pichat

33
Documents

Publications

Publications

Deposit thumbnail

Sensitivity of the Tropical Dust Cycle to Glacial Abrupt Climate Changes

Peter O Hopcroft , Sylvain Pichat , Paul J Valdes , Stephanie S Kienast

Geophysical Research Letters, 2022, 50 (1), ⟨10.1029/2022GL101197⟩

Article dans une revue hal-04823108v1
Deposit thumbnail

Carbon isotopes and Pa/Th response to forced circulation changes: a model perspective

Lise Missiaen , Nathaëlle Bouttes , Didier M. Roche , Jean-Claude Dutay , Aurélien Quiquet et al.

Climate of the Past, 2020, 16 (3), pp.867-883. ⟨10.5194/cp-16-867-2020⟩

Article dans une revue hal-02407200v1
Deposit thumbnail

Radiocarbon Dating of Small-sized Foraminifer Samples: Insights into Marine sediment Mixing

Lise Missiaen , Lukas Wacker , Bryan Lougheed , Luke C. Skinner , Irka Hajdas et al.

Radiocarbon, 2020, 62 (2), pp.313-333. ⟨10.1017/RDC.2020.13⟩

Article dans une revue hal-02884300v1

Modelling the impact of biogenic particle flux intensity and composition on sedimentary Pa/Th

Lise Missiaen , Laurie Menviel , Katrin J. Meissner , Didier M. Roche , Jean-Claude Dutay et al.

Quaternary Science Reviews, 2020, 240, ⟨10.1016/j.quascirev.2020.106394⟩

Article dans une revue hal-02883163v1
Deposit thumbnail

230 Th Normalization: New Insights on an Essential Tool for Quantifying Sedimentary Fluxes in the Modern and Quaternary Ocean

Kassandra Costa , Christopher Hayes , Robert Anderson , Frank Pavia , Alexandra Bausch et al.

Paleoceanography and Paleoclimatology, 2020, 35 (2), pp.e2019PA003820. ⟨10.1029/2019PA003820⟩

Article dans une revue hal-02826968v1
Deposit thumbnail

Impact of a sports project centered on scuba diving for adolescents with type 1 diabetes mellitus: New guidelines for adolescent recreational diving, a modification of the French regulations

B. Lormeau , S. Pichat , L. Dufaitre , A. Chamouine , M. Gataa et al.

Archives de Pédiatrie, 2019, 26 (3), pp.161-167. ⟨10.1016/j.arcped.2018.12.006⟩

Article dans une revue hal-02884299v1
Deposit thumbnail

Improving North Atlantic Marine Core Chronologies Using <sup>230</sup>Th Normalization

Lise Missiaen , C. Waelbroeck , Sylvain Pichat , Samuel L. Jaccard , Frédérique Eynaud et al.

Paleoceanography and Paleoclimatology, 2019, 34 (7), pp.1057-1073. ⟨10.1029/2018PA003444⟩

Article dans une revue hal-02407133v1
Deposit thumbnail

Downcore Variations of Sedimentary Detrital ( <sup>238</sup>U/ <sup>232</sup>Th) Ratio: Implications on the Use of <sup>230</sup>Th<sub>xs</sub> and <sup>231</sup>Pa<sub>xs</sub> to Reconstruct Sediment Flux and Ocean Circulation

Lise Missiaen , Sylvain Pichat , C. Waelbroeck , Éric Douville , Louise Bordier et al.

Geochemistry, Geophysics, Geosystems, 2018, 19 (8), pp.2560-2573. ⟨10.1029/2017GC007410⟩

Article dans une revue hal-02467917v1
Deposit thumbnail

Relative timing of precipitation and ocean circulation changes in the western equatorial Atlantic over the last 45 kyr

Claire Waelbroeck , Sylvain Pichat , Evelyn Böhm , Bryan Lougheed , Davide Faranda et al.

Climate of the Past, 2018, 14 (9), pp.1315-1330. ⟨10.5194/cp-14-1315-2018⟩

Article dans une revue hal-02407248v1
Deposit thumbnail

Copper transporters are responsible for copper isotopic fractionation in eukaryotic cells

Jean-Loup Cadiou , Sylvain Pichat , Victor P. Bondanese , Alexandre Soulard , Toshiyuki Fujii et al.

Scientific Reports, 2017, 7, ⟨10.1038/srep44533⟩

Article dans une revue hal-01632761v1

Hypoxia induces copper stable isotope fractionation in hepatocellular carcinoma, in a HIF-independent manner

Victor Bondanese , Aline Lamboux , Mélanie Simon , Jérôme Lafont , Emmanuelle Albalat et al.

Metallomics, 2016, 8 (11), pp.1177-1184. ⟨10.1039/c6mt00102e⟩

Article dans une revue hal-02132068v1
Deposit thumbnail

Changes in the geometry and strength of the Atlantic meridional overturning circulation during the last glacial (20–50 ka)

Pierre Burckel , Claire Waelbroeck , Yiming Luo , Didier M. Roche , Sylvain Pichat et al.

Climate of the Past, 2016, 12 (11), pp.2061-2075. ⟨10.5194/cp-12-2061-2016⟩

Article dans une revue hal-01587574v1
Deposit thumbnail

Tracing contamination sources in soils with Cu and Zn isotopic ratios

Z Fekiacova , S Cornu , S Pichat

Science of the Total Environment, 2015, 517, pp.96-105. ⟨10.1016/j.scitotenv.2015.02.046⟩

Article dans une revue hal-01466186v1
Deposit thumbnail

Atlantic Ocean circulation changes preceded millennial tropical South America rainfall events during the last glacial

Pierre Burckel , Claire Waelbroeck , Jeanne Gherardi , Sylvain Pichat , Helge W. Arz et al.

Geophysical Research Letters, 2015, 42 (2), pp.411-418. ⟨10.1002/2014GL062512⟩

Article dans une revue hal-02884305v1

Lead isotopes in the Eastern Equatorial Pacific record Quaternary migration of the South Westerlies

Sylvain Pichat , Wafa Abouchami , S. Galer

Earth and Planetary Science Letters, 2014, 388, pp.293--305. ⟨10.1016/j.epsl.2013.11.035⟩

Article dans une revue hal-01347472v1

On the Time Scales of Magma Genesis, Melt Evolution, Crystal Growth Rates and Magma Degassing in the Erebus Volcano Magmatic System Using the 238U, 235U and 232Th Decay Series

K. Sims , S. Pichat , K. Reagan , P. Kyle , H. Dulaiova et al.

Journal of Petrology, 2013, 54 (2), pp.235-271. ⟨10.1093/petrology/egs068⟩

Article dans une revue hal-02110422v1
Deposit thumbnail

Inferences from the vertical distribution of Fe isotopic compositions on pedogenetic processes in soils

Zuzana Fekiacova , Sylvain Pichat , Sophie Cornu , Jérôme Balesdent

Geoderma, 2013, 209-210, pp.110-118. ⟨10.1016/j.geoderma.2013.06.007⟩

Article dans une revue hal-00913103v1
Deposit thumbnail

Geochemical heterogeneities within the Crozet hotspot

Thomas Breton , François Nauret , Sylvain Pichat , Bertrand Moine , Manuel Moreira et al.

Earth and Planetary Science Letters, 2013, 376, pp.126-136. ⟨10.1016/j.epsl.2013.06.020⟩

Article dans une revue hal-00981442v1

On the Time Scales of Magma Genesis, Melt Evolution, Crystal Growth Rates and Magma Degassing in the Erebus Volcano Magmatic System Using the 238U, 235U and 232Th Decay Series

Kenneth W.W. Sims , Sylvain Pichat , Mark K. Reagan , Philip R. Kyle , Henrietta Dulaiova et al.

Journal of Petrology, 2013, 54 (2), pp.235-271. ⟨10.1093/petrology/egs068⟩

Article dans une revue hal-01066877v1

Strength and geometry of the glacial Atlantic Meridional Overturning Circulation

Joerg Lippold , Yiming Luo , Roger Francois , Susan E. Allen , Jeanne Gherardi et al.

Nature Geoscience, 2012, 5 (11), pp.813-816. ⟨10.1038/NGEO1608⟩

Article dans une revue hal-00786174v1
Deposit thumbnail

Zinc isotopes in HEDs: clues to the formation of 4-Vesta, and the unique composition of Pecora Escarpment 82502

Randal Paniello , Frédéric Moynier , Pierre Beck , Jean-Alix J-A Barrat , Frank Podosek et al.

Geochimica et Cosmochimica Acta, 2012, 86, pp.76-87. ⟨10.1016/j.gca.2012.01.045⟩

Article dans une revue insu-00670085v1

Fractionation of Stable Zinc Isotopes in the Zinc Hyperaccumulator Arabidopsis halleri and Nonaccumulator Arabidopsis petraea

Anne-Marie Aucour , Sylvain Pichat , M. R. Macnair , Philippe M. Oger

Environmental Science and Technology, 2011, 45 (21), pp.9212-9217. ⟨10.1021/es200874x⟩

Article dans une revue insu-00683310v1

Isotopic fractionation of Cu in plants

Charlotte Weinstein , Frédéric Moynier , Kun Wang , Randal Paniello , Julien Foriel et al.

Chemical Geology, 2011, 286 (3-4), pp.266-271. ⟨10.1016/j.chemgeo.2011.05.010⟩

Article dans une revue istex insu-00683360v1

Enhanced Atlantic Meridional Overturning Circulation supports the Last Glacial Inception

Abel Guihou , Sylvain Pichat , Aline Govin , Silvia Nave , Elisabeth Michel et al.

Quaternary Science Reviews, 2011, 30 (13-14), pp.1576-1582. ⟨10.1016/j.quascirev.2011.03.017⟩

Article dans une revue insu-00683865v1

Late slowdown of the Atlantic Meridional Overturning Circulation during the Last Glacial Inception: New constraints from sedimentary ((231)Pa/(230)Th)

Abel Guihou , Sylvain Pichat , Silvia Nave , Aline Govin , Laurent Labeyrie et al.

Earth and Planetary Science Letters, 2010, 289 (3-4), pp.520-529. ⟨10.1016/j.epsl.2009.11.045⟩

Article dans une revue istex insu-00681734v1

A Sr, Nd, Hf, and Pb isotope perspective on the genesis and long-term evolution of alkaline magmas from Erebus volcano, Antarctica

Kenneth W.W. Sims , Janne Blichert-Toft , Philip Kyle , Sylvain Pichat , Pierre-Jean Gauthier et al.

Journal of Volcanology and Geothermal Research, 2008, 177 (3), pp.606-618. ⟨10.1016/j.jvolgeores.2007.08.006⟩

Article dans une revue istex hal-02110584v1

Changes in Opal Flux and the Rain Ratio during the last 50,000 years in the Equatorial Pacific.

M. Richaud , P. Loubere , Sylvain Pichat , Raoul François

Deep Sea Research, 2007, 54, pp.762-771

Article dans une revue hal-00342558v1
Deposit thumbnail

Export fluxes of calcite in the eastern equatorial Pacific from the Last Glacial Maximum to present

Paul Loubere , Figen Mekik , Roger Francois , Sylvain Pichat

Paleoceanography, 2004, 19 (2), pp.n/a-n/a. ⟨10.1029/2003PA000986⟩

Article dans une revue hal-02884308v1
Deposit thumbnail

Lower export production during glacial periods in the equatorial Pacific derived from (231Pa/ 230Th)xs,0 measurements in deep-sea sediments

Sylvain Pichat , Kenneth Sims , Roger François , Jerry Mcmanus , Susan Brown Leger et al.

Paleoceanography, 2004, 19 (4), pp.n/a-n/a. ⟨10.1029/2003PA000994⟩

Article dans une revue hal-02884302v1

Zinc isotope variations in deep-sea carbonates from the eastern equatorial Pacific over the last 175 ka

Sylvain Pichat , Chantal Douchet , Francis Albarède

Earth and Planetary Science Letters, 2003, 210 (1-2), pp.167-178. ⟨10.1016/S0012-821X(03)00106-7⟩

Article dans une revue istex hal-02884304v1

Rapid determination of 230Th and 231Pa in seawater by desolvated micro-nebulization Inductively Coupled Plasma magnetic sector mass spectrometry

M.S Choi , R Francois , K Sims , M.P Bacon , S Brown-Leger et al.

Marine Chemistry, 2001, 76 (1-2), pp.99-112. ⟨10.1016/S0304-4203(01)00050-0⟩

Article dans une revue istex hal-02884307v1

Meridional shifts of the South Westerly Winds over the Southern Atlantic Ocean over the last 40 ka

Ophélie Lodyga , Blaise Gravier , Valentine Schaaff , Stephen J.G. Galer , Julia Gottschalk et al.

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

Communication dans un congrès hal-03588076v1

Neodymium isotopes for palaeoceanographic research : good and bad news

Adam E. Scrivner , Luke C. Skinner , D.J. Vance , C. Le Bras , Christophe Colin et al.

10th International Conference on Paleoceanography, Aug 2010, La Jolla, California, United States

Communication dans un congrès hal-00511412v1