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Luc Beaufort

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SENIOR SCIENTIST CNRS CEREGE 1 Avenue Louis Philibert, BP80 13545, Aix en Provence, Cedex 04, France ph: (+33) 610 96 93 95 beaufort@cerege.fr **Professional experience** 2015-present : Senior Scientist (DR1) at CNRS, CEREGE, Aix en Provence 2002-2015 : Senior Scientist (DR2)at CNRS, CEREGE, Aix en Provence 1998-1999 : Visiting Assistant Professor, Oregon State University, Corvallis, USA 1996-2002 : Junior Scientist (CR) at CNRS, CEREGE, Aix en Provence 1991-1996 : Junior Scientist (CR) at CNRS, Laboratoire de Géologie du Quaternaire, Marseille 1987-1990 : Visiting Student, Woods Hole Oceanographic Institution, Woods Hole, USA **EducationAcademic and professional services** 2001 - Habilation (HDR) Aix-Marseille III University (*Dynamique pléistocène de la productivité primaire océanique tropicale*) speciality : Géosciences de l'environnement 1991 - Thèse de Doctorat (PhD) Lyon I University (*Dynamique du Nannoplancton Calcaire au cours du Néogène : Implications climatiques et océanographiques;* Dir. M.-P. Aubry - speciality : Paleontology) 1987 - DEA (MSc), *SEDIPAL*, Lyon I University 1986 - Maitrise Geology (BSc), Lyon I University **Research Interests** Phytoplankton (Coccolithophores \[living and fossils\]), Paléocéanography, Marine Geology, Deep learning for pattern recognition of microorganisms **Academic and professional services** 2020-Present : Evaluation committee for Insitute of Research and Developpement (IRD) -CSS1 2019 -Co-President of the Working Group on Coring for the French Oceanographic Fleet 2006- Present : Co-Editor at Climate of the Past (EGU - Copernicus) 2017-2019: Evaluation committee for ANR (Agence Nationale de la Recherche) CES01 2015-2019 : Evaluation committee for CNU Section 36 2017-Present : Head of the Automatic Microscopy Platform (CEREGE) 2006-2017 : Head of the Bioindicators and Paleoecology team (CEREGE) 2006-2011 : Evaluation committee LEFE (INSU) 2003-2007 : Commission Nationale Géosciences Marines (IFREMER) 2002-2006 : IMAGES France Representative 2001-2006 : Head of Climatology et Paleoecology team (CEREGE) 1996-2001 : Head of the Bioindicateurs team CEREGE **Awards** 1998 NATO Fellowship 2014 CNRS Prime of Scientific Excellence (PES) 2017 President's International Fellwoship Initiative (PIFI) Chinese Academy of Science 2017 ECORD Distinguished Lecturer **Publications** 110 in WoS (Lead author of 4 Science and Nature); 15 book chapters. H: 41 (WoS) / 51 (Google Scholar / 8033 citations / i10 =94 / Nov 2021 (https://scholar.google.fr/citations?user=AtJKwIQAAAAJ&hl=fr&oi=ao)) **Four significant Publications** Beaufort, L., et al. "Cyclic evolution of phytoplankton forced by changes in tropical seasonality." ***Nature*** 601(7891): 79-84 (2021). Beaufort, L. et al. Sensitivity of coccolithophores to carbonate chemistry and ocean acidification. ***Nature*** 476, 80-84, doi:10.1038/nature10295. (2011). Beaufort, L., de Garidel Thoron , T., Mix, A. C. & Pisias, N. G. ENSO-like forcing on Oceanic Primary Production during the late Pleistocene. ***Science*** 293, 2440-2444 (2001). Beaufort, L. et al. Insolation cycles as a major control of the Equatorial Indian Ocean primary production. ***Science*** 278, 1451-1454 (1997). **Current Graduate Student 2019- Majd Camille HABBIB, PhD Student (principal advisor(Pri.Adv.) **Former Graduate Students** 1997 Denis DOLLFUS (Pri.Adv.) Reconnaissance de formes naturelles par des réseaux de neurones artificiels : Application au nannoplancton calcaire (now at Thomson-Reuthers) 2002 Thibault DE GARIDEL THORON (Pri.Adv.) Dynamique climatique de l'océan Pacifique Ouest Equatorial au cours du Pléistocène Récent (Now at CNRS) 2008 Michael GRELAUD (Pri.Adv.) Variabilité climtique multi-échelles depuis le Pléistoèene Terminal jusqu'à l'actuel, sur la marge pacifique nord américaine (Now at Autonmous University of Barcelona) 2013 Xiang SU (co-Adv. - Co-Tut. Tongji University) Late Quaternary coccolith records and their paleoceanographical significance in the South China Sea and the Western Tropical Pacific Ocean (now at South China Sea Institute of Oceanology, Chinese Academy of Sciences) 2014 Nicolas BARBARIN (Pri.Adv.) La reconnaissance automatisée des nannofossiles calcaries du Cénozoïque (Now at TOTAL E&P) 2014 Fabienne REGOLI (co-Adv.) Diversité cryptique du zooplancton calcaire et réponse aux changements globaux du Pléistocène à l'Anthropocène 2017 Martin Tetard (co-Adv.) Dynamique de la paléo-oxygénation dans le Pacifique : Reconstruction par une approche morphométrique et Micropaléontologique (now Post-Doc Japan) 2017- Benjamin BOUREL, (co-Adv.) Utilisation des pollens pour la reconstruction à haute résolution spatiale des environnements à Hominini du Plio-Pléistocène dans le rift est-africain (now ATER at IMBE, Aix) **Thesis committee member** 52 thesis committees (Ph'D and Habilitations) **Shipboard experience** 15 pelagic cruises - 7 as chief scientist -SEYMAMA, RV Marion-Dufresne, Indien Ocean, 1990. -ODP Leg 145, RV Joides Resolution, North Pacific, 1993 (nannofossil specialist). -SEDORQUA, RV Suroît, Tropical Atlantic Ocean, 1994. -IMAGES I, Marion-Dufresne, North Atlantic Ocean, 1995. -MOZAPHARE, Marion-Dufresne, Indien Ocean, 1996 (Assistant Chief scientist) -IMAGES III, IPHIS- Marion-Dufresne, Western Pacific, 1997 (Chief scientist) -IMAGES IV, WEPEMA- Marion-Dufresne, Western Pacific, 1998 (co-Chief scientist) -IMAGES VIII, MONA- Marion-Dufresne, Eastern Pacific, 2002 (Chief scientist) -IMAGES XIII, PECTEN- Marion-Dufresne, Western Pacific, 2005 (Chief scientist) -DRAKE 2009, Polarstern, Drake passage, (living coccolithophores) -PACENPAL, SONNE, Southern Pacific, 2010 (Chief scientist) -MONOPOL, Marion-Dufresne, Indien Ocean, 2012 (co-Chief scientist) -CARCALHIS Atalante, December 2015 Caribbean Sea (Chief scientist). -IODP Exp 363, RV Joides Resolution, Equ. Pacific, 2016 (nannofossil specialist). -SCRATCH, Equ. Indian Ocean, 2021. Costal cruises for phytoplankton collection often as chief scientist: Numerous - One day trip 4 time a year during the last 10 years in the Gulf of Lion (CALHIMED) on board the Antédon II, in Peru (4 one-week campaigns, with IMARPE), Papua New Guinea and Mexico...

Publications

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A user‐friendly method to get automated pollen analysis from environmental samples

Betty Gimenez , Sébastien Joannin , Jérôme Pasquet , Luc Beaufort , Yves Gally
New Phytologist, 2024, ⟨10.1111/nph.19857⟩
Journal articles hal-04593322v1
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Rapid diversification underlying the global dominance of a cosmopolitan phytoplankton

El Mahdi Bendif , Ian Probert , Odysseas A Archontikis , Jeremy R Young , Luc L Beaufort
The International Society of Microbiologial Ecology Journal, 2023, 17 (4), pp.630-640. ⟨10.1038/s41396-023-01365-5⟩
Journal articles hal-03984673v1
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Coccolith size rules – What controls the size of coccoliths during coccolithogenesis?

Baptiste Suchéras-Marx , Sophie Viseur , Charlotte Walker , Luc L Beaufort , Ian Probert
Marine Micropaleontology, 2022, 170, pp.102080. ⟨10.1016/j.marmicro.2021.102080⟩
Journal articles hal-03517096v1
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Cyclic evolution of phytoplankton forced by changes in tropical seasonality

Luc L Beaufort , Clara Bolton , Anta-Clarisse Sarr , Baptiste Sucheras-Marx , Yair Rosenthal
Nature, 2022, 601 (1), pp.79-84. ⟨10.1038/s41586-021-04195-7⟩
Journal articles hal-03536895v1
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Technical Note: A universal method for measuring the thickness of microscopic calcite crystals, based on Bidirectional Circular Polarization

Luc L Beaufort , Yves Gally , Baptiste Suchéras-Marx , Patrick Ferrand , Julien Duboisset
Biogeosciences Discussions, 2021, 18, pp.775-785. ⟨10.5194/bg-18-775-2021⟩
Journal articles hal-02467596v2
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Toward a global calibration for quantifying past oxygenation in oxygen minimum zones using benthic Foraminifera

Martin Tetard , Laetitia Licari , Ekaterina Ovsepyan , Tachikawa Kazuyo , Luc L Beaufort
Biogeosciences, 2021, 18 (9), pp.2827 - 2841. ⟨10.5194/bg-18-2827-2021⟩
Journal articles hal-03440291v1
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Origin of manganese in nannofossil calcite based on synchrotron nanoXRF and Xanes

Baptiste Suchéras-Marx , Fabienne Giraud , Isabelle Daniel , Camille Rivard , Marie-Pierre Aubry
Marine Micropaleontology, 2021, 163, pp.101961. ⟨10.1016/j.marmicro.2021.101961⟩
Journal articles hal-03167060v1
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Controls on Alkenone Carbon Isotope Fractionation in the Modern Ocean

Samuel R Phelps , Heather M Stoll , Clara Bolton , Luc L Beaufort , Pratigya J Polissar
Geochemistry, Geophysics, Geosystems, 2021, 22 (12), pp.e2021GC009658. ⟨10.1029/2021gc009658⟩
Journal articles hal-03561622v1
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Timescale dependent sedimentary record during the past 130 kyr from a tropical mixed siliciclastic–carbonate shelf edge and slope: Ashmore Trough (southern Gulf of Papua)

Gianni Mallarino , Jason Francis , Stephan Jorry , James Daniell , André Droxler
Sedimentology, 2021, 68, pp.2606 - 2648. ⟨10.1111/sed.12867⟩
Journal articles hal-03323130v1
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Dynamics of primary productivity in the northeastern Bay of Bengal over the last 26 000 years

Xinquan Zhou , Stéphanie Duchamp-Alphonse , Masa Kageyama , Franck Bassinot , Luc L Beaufort
Climate of the Past, 2020, 16 (5), pp.1969 - 1986. ⟨10.5194/cp-16-1969-2020⟩
Journal articles hal-03323672v1
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Technical note: A new automated radiolarian image acquisition, stacking, processing, segmentation and identification workflow

Martin Tetard , Ross Marchant , Giuseppe Cortese , Yves Gally , Thibault de Garidel-Thoron
Climate of the Past, 2020, 16, pp.2415 - 2429. ⟨10.5194/cp-16-2415-2020⟩
Journal articles hal-03038635v1
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Automated recognition by multiple convolutional neural networks of modern, fossil, intact and damaged pollen grains

Benjamin Bourel , Ross Marchant , Thibault de Garidel-Thoron , Martin Tetard , Doris Barboni
Computers & Geosciences, 2020, 140, pp.104498. ⟨10.1016/j.cageo.2020.104498⟩
Journal articles insu-02953384v1

Pliocene four-rayed discoasters from IODP Expedition 363 sites in the eastern Indian Ocean and western Pacific Ocean

Allan Gil S. Fernando , Tom Dunkley Jones , Luc L Beaufort , Denise K Kulhanek , Yvonne Ivy L. Doyongan
Journal of Nannoplankton Research, 2020, 38 (1), pp.49-55
Journal articles hal-03038703v1

Late Quaternary coccolith weight variations in the northern South China Sea and their environmental controls

Xiang Su , Chuanlian Liu , Luc L Beaufort
Marine Micropaleontology, 2020, 154, ⟨10.1016/j.marmicro.2019.101798⟩
Journal articles hal-02409222v1

Anatomy of a ‘suspended’ seafloor in the dense brine waters of the deep hypersaline Urania Basin

I.W. Aiello , Luc L Beaufort , T. Goldhammer , V.B. Heuer , K.-U. Hinrichs
Deep Sea Research Part II: Topical Studies in Oceanography, 2020, 171, pp.104626. ⟨10.1016/j.dsr2.2019.07.014⟩
Journal articles hal-02464944v1
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X-ray nanotomography of coccolithophores reveals that coccolith mass and segment number correlate with grid size

Thomas Beuvier , I. Probert , L. Beaufort , Baptiste Suchéras-Marx , Y. Chushkin
Nature Communications, 2019, 10, pp.751. ⟨10.1038/s41467-019-08635-x⟩
Journal articles hal-02049223v1
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Enhanced ocean-atmosphere carbon partitioning via the carbonate counter pump during the last deglacial

Stéphanie Duchamp-Alphonse , Giuseppe Siani , Elisabeth Michel , Luc L Beaufort , Yves Gally
Nature Communications, 2018, 9, pp.2396. ⟨10.1038/s41467-018-04625-7⟩
Journal articles hal-01819587v1
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From monsoon to marine productivity in the Arabian Sea: insights from glacial and interglacial climates

Priscilla Le Mézo , Luc L Beaufort , Laurent Bopp , Pascale Braconnot , Masa Kageyama
Climate of the Past, 2017, 13 (7), pp.759-778. ⟨10.5194/cp-13-759-2017⟩
Journal articles hal-01584174v1
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A 2700-year record of ENSO and PDO variability from the Californian margin based on coccolithophore assemblages and calcification

Luc L Beaufort , Michaël Grelaud
Progress in Earth and Planetary Science, 2017, 4 (1), ⟨10.1186/s40645-017-0123-z⟩
Journal articles hal-01669206v1
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Oxygen history off Baja California over the last 80 kyr: A new foraminiferal-based record

Martin Tetard , Laetitia Licari , Luc L Beaufort
Paleoceanography, 2017, 32 (3), pp.246 - 264. ⟨10.1002/2016PA003034⟩
Journal articles hal-01514644v1

A new optical method for automated pore analysis on benthic foraminifera

Martin Tetard , Luc L Beaufort , Laetitia Licari
Marine Micropaleontology, 2017, 136, pp.30 - 36. ⟨10.1016/j.marmicro.2017.08.005⟩
Journal articles hal-01669212v1

Do sample preparation techniques affect the relative abundance of Florisphaera profunda?

Claudia Lupi , Manuela Bordiga , Roberto Sacchi , Pietro Galinetto , Luc L Beaufort
Marine Micropaleontology, 2016, 127, pp.42-49. ⟨10.1016/j.marmicro.2016.07.007⟩
Journal articles hal-01458293v1
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Authigenic 10Be/9Be ratio signatures of the cosmogenic nuclide production linked to geomagnetic dipole moment variation since the Brunhes/Matuyama boundary

Quentin Simon , Nicolas Thouveny , Didier L Bourlès , Jean-Pierre Valet , Franck Bassinot
Journal of Geophysical Research : Solid Earth, 2016, 121 (11), pp.7716-7741 ⟨10.1002/2016JB013335⟩
Journal articles hal-01419501v1
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Why marine phytoplankton calcify

Fanny M. Monteiro , Lennart T. Bach , Colin Brownlee , Paul Bown , Rosalind E. M. Rickaby
Science Advances , 2016, 2 (7), ⟨10.1126/sciadv.1501822⟩
Journal articles hal-01458292v1

Comparative geochemistry of quaternary carbonaceous sediments from the continental slope of the Baja California and the miocene monterey formation

G. N. Baturin , I. O. Murdmaa , L. Beaufort , G. N. Alekhina
Lithology and Mineral Resources, 2016, 51 (2), pp.93-106. ⟨10.1134/S0024490216020024⟩
Journal articles hal-01458291v1
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Calcification response of a key phytoplankton family to millennial-scale environmental change

H. L. O. Mcclelland , N. Barbarin , Luc L Beaufort , M. Hermoso , P. Ferretti
Scientific Reports, 2016, 6, pp.34263. ⟨10.1038/srep34263⟩
Journal articles hal-01458290v1

Starch granules identification and automatic classification based on an extended set of morphometric and optical measurements

H Arraiz , N Barbarin , M Pasturel , L. Beaufort , M Domínguez-Rodrigo
Journal of Archaeological Science: Reports, 2016, 7, pp.169--179. ⟨10.1016/j.jasrep.2016.03.039⟩
Journal articles hal-01461250v1

Reconstruction of past climate variability and ENSO-like fluctuations in the southern Gulf of California (Alfonso Basin) since the last glacial maximum

Francisca Staines-Urias , Oscar Gonzalez-Yajimovich , Luc L Beaufort
Quaternary Research, 2015, 83 (3), pp.488-501. ⟨10.1016/j.yqres.2015.03.007⟩
Journal articles hal-01458295v1
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Persistent drying in the tropics linked to natural forcing

Amos Winter , Davide Zanchettin , Thomas Miller , Yochanan Kushnir , David Black
Nature Communications, 2015, 6, ⟨10.1038/ncomms8627⟩
Journal articles hal-01458298v1

Differences in Late Quaternary primary productivity between the western tropical Pacific and the South China Sea: Evidence from coccoliths

Xiang Su , Chuanlian Liu , Luc L Beaufort , Nicolas Barbarin , Zhimin Jian
Deep Sea Research Part II: Topical Studies in Oceanography, 2015, 122 (SI), pp.131-141. ⟨10.1016/j.dsr2.2015.07.008⟩
Journal articles hal-01458297v1
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Progressive shoaling of the equatorial Pacific thermocline over the last eight glacial periods

Zhiming Jian , Liming Ye , Andre W. Droxler , Guillaume Lenoir , Michel Crucifix
Paleoceanography, 2015, 30 (5), pp.439-455. ⟨10.1002/2014PA002696⟩
Journal articles hal-01458296v1
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Middle Jurassic coccolith fluxes: A novel approach by automated quantification

Baptiste Suchéras-Marx , Fabienne Giraud , Emanuela Mattioli , Yves Gally , Nicolas Barbarin
Marine Micropaleontology, 2014, 111, pp.15-25. ⟨10.1016/j.marmicro.2014.06.002⟩
Journal articles hal-01136429v1

Poleward expansion of the coccolithophore Emiliania huxleyi

Amos Winter , Jorijntje Henderiks , Luc L Beaufort , Rosalind E. M. Rickaby , Christopher W. Brown
Journal of Plankton Research, 2014, 36 (2), pp.316-325. ⟨10.1093/plankt/fbt110⟩
Journal articles hal-01458301v1
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The role of ocean acidification in Emiliania huxleyi coccolith thinning in the Mediterranean Sea

K.J.S. Meier , L. Beaufort , S Heussner , P Ziveri
Biogeosciences Discussions, 2014, 11, pp.2857-2869. ⟨10.5194/bg-11-2857-2014⟩
Journal articles hal-01280556v1

Optical measurements to determine the thickness of calcite crystals and the mass of thin carbonate particles such as coccoliths

Luc L Beaufort , Nicolas Barbarin , Yves Gally
Nature Protocols, 2014, 9 (3), pp.633-642. ⟨10.1038/nprot.2014.028⟩
Journal articles hal-01458300v1
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Modern and glacial tropical snowlines controlled by sea surface temperature and atmospheric mixing

Aradhna K. Tripati , Sandeep Sahany , Dustin Pittman , Robert A. Eagle , J. David Neelin
Nature Geoscience, 2014, 7 (3), pp.205-209. ⟨10.1038/NGEO2082⟩
Journal articles hal-01458299v1
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Precipitation variability within the West Pacific Warm Pool over the past 120ka: Evidence from the Davao Gulf, southern Philippines

Nicholas Fraser , Wolfgang Kuhnt , Ann Holbourn , Timothe Bolliet , Nils Andersen
Paleoceanography, 2014, 29 (11), pp.1094-1110. ⟨10.1002/2013PA002599⟩
Journal articles hal-01458302v1

Calcareous plankton and geochemistry from the ODP site 1209B in the NW Pacific Ocean (Shatsky Rise): New data to interpret calcite dissolution and paleoproductivity changes of the last 450 ka

Manuela Bordiga , Luc L Beaufort , Miriam Cobianchi , Claudia Lupi , Nicoletta Mancin
Palaeogeography, Palaeoclimatology, Palaeoecology, 2013, 371, pp.93-108. ⟨10.1016/j.palaeo.2012.12.021⟩
Journal articles hal-01458305v1

Late Quaternary coccolith records in the South China Sea and East Asian monsoon dynamics

Xiang Su , Chuanlian Liu , Luc L Beaufort , Jun Tian , Enqing Huang
Global and Planetary Change, 2013, 111, pp.88-96. ⟨10.1016/j.gloplacha.2013.08.016⟩
Journal articles hal-01458307v1

Diatom fluxes in the NW Mediterranean: evidence from a 12-year sediment trap record and surficial sediments

Andrés S. Rigual-Hernández , Maria A. Barcena , Richard W. Jordan , Francisco J. Sierro , José A. Flores
Journal of Plankton Research, 2013, 35 (5), pp.1109-1125. ⟨10.1093/plankt/fbt055⟩
Journal articles hal-01458304v1
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Quantified intermediate water oxygenation history of the NE Pacific: A new benthic foraminiferal record from Santa Barbara basin

K. Ohkushi , J. P. Kennett , C. M. Zeleski , S. E. Moffitt , T. M. Hill
Paleoceanography, 2013, 28 (3), pp.453-467. ⟨10.1002/palo.20043⟩
Journal articles hal-01458306v1
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Global marine plankton functional type biomass distributions: coccolithophores

C. J. O'Brien , J. A. Peloquin , M. Vogt , M. Heinle , N. Gruber
Earth System Science Data, 2013, 5 (2), pp.259-276. ⟨10.5194/essd-5-259-2013⟩
Journal articles hal-01458303v1

Reconstructing calcification in ancient coccolithophores: Individual coccolith weight and morphology of Coccolithus pelagicus (sensu lato)

Joana C. Cubillos , Jorijntje Henderiks , Luc L Beaufort , William R. Howard , Gustaaf M. Hallegraeff
Marine Micropaleontology, 2012, 92-93, pp.29-39. ⟨10.1016/j.marmicro.2012.04.005⟩
Journal articles hal-01458309v1
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Influence of CO2 and nitrogen limitation on the coccolith volume of Emiliania huxleyi (Haptophyta)

Marius N. Müller , Luc L Beaufort , Olivier Bernard , Maria-Luiza Pedrotti , Amélie Talec
Biogeosciences, 2012, 9 (4), pp.4155--4167. ⟨10.5194/bg-9-4155-2012⟩
Journal articles hal-00848437v1
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Processes controlling a volcaniclastic turbiditic system during the last climatic cycle: Example of the Cilaos deep-sea fan, offshore La Réunion Island

Emmanuelle Sisavath , Aude Mazuel , Stéphan J. Jorry , Nathalie Babonneau , Patrick Bachèlery
Sedimentary Geology, 2012, 281, pp.180-193. ⟨10.1016/j.sedgeo.2012.09.010⟩
Journal articles insu-00771704v1

Precession forcing of productivity in the Eastern Equatorial Pacific during the last glacial cycle

Elena V. Ivanova , Luc L Beaufort , Laurence Vidal , Michal Kucera
Quaternary Science Reviews, 2012, 40, pp.64-77. ⟨10.1016/j.quascirev.2012.02.020⟩
Journal articles hal-01458308v1

The precession phase of hydrological variability in the Western Pacific Warm Pool during the past 400 ka

K. Tachikawa , Olivier Cartapanis , Laurence Vidal , Luc L Beaufort , Tatiana Barlyaeva
Quaternary Science Reviews, 2011, 30 (25-26), pp.3716-3727. ⟨10.1016/j.quascirev.2011.09.016⟩
Journal articles hal-01458311v1
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Mindanao Dome variability over the last 160 kyr: Episodic glacial cooling of the West Pacific Warm Pool

Timothe Bolliet , Ann Holbourn , Wolfgang Kuhnt , Carlo Laj , Catherine Kissel
Paleoceanography, 2011, 26 (1), pp.PA1208. ⟨10.1029/2010PA001966⟩
Journal articles hal-01458310v1

Sensitivity of coccolithophores to carbonate chemistry and ocean acidification

Luc L Beaufort , Ian Probert , Thibault de Garidel-Thoron , El Mahdi Bendif , Diana Ruiz-Pino
Nature, 2011, 476 (7358), pp.80-83. ⟨10.1038/nature10295⟩
Journal articles hal-00866853v1
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Interhemispheric leakage of isotopically heavy nitrate in the eastern tropical Pacific during the last glacial period

Laetitia E. Pichevin , Raja S. Ganeshram , Stephen Francavilla , Elsa Arellano-Torres , Tom F. Pedersen
Paleoceanography, 2010, 25, ⟨10.1029/2009PA001754⟩
Journal articles hal-01458313v1

Upper quaternary laminated sapropelic sediments from the continental slope of Baja California

I. O. Murdmaa , G. H. Kazarina , L. Beaufort , E. V. Ivanova , E. M. Emelyanov
Lithology and Mineral Resources, 2010, 45 (2), pp.154-171. ⟨10.1134/S0024490210020057⟩
Journal articles hal-01458314v1

Glacial ocean temperatures from `clumped isotope' thermometry in foraminifera and coccoliths

A. Tripati , R. Eagle , J. Eiler , L. Beaufort
Geochimica et Cosmochimica Acta, 2010, 74 (12, 1), pp.A1057
Journal articles hal-01458315v1

Combining charcoal and elemental black carbon analysis in sedimentary archives: Implications for past fire regimes, the pyrogenic carbon cycle, and the human-climate interactions

Florian Thevenon , David Williamson , Edouard Bard , Flavio S. Anselmetti , Luc L Beaufort
Global and Planetary Change, 2010, 72 (4, SI), pp.381-389. ⟨10.1016/j.gloplacha.2010.01.014⟩
Journal articles hal-01458316v1
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Past dynamics of the Australian monsoon: precession, phase and links to the global monsoon concept

Luc L Beaufort , S van Der Kaars , F C Bassinot , V C Moron
Climate of the Past, 2010, 6, pp.695 - 706. ⟨10.5194/cp-6-695-2010⟩
Journal articles hal-01419571v1

A NEW HELICOSPHAERA-SYRACOLITHUS COMBINATION COCCOSPHERE (HAPTOPHYTA) FROM THE WESTERN MEDITERRANEAN SEA

Martine J. J. Couapel , Luc L Beaufort , Jeremy R. Young
Journal of Phycology, 2009, 45 (4), pp.914-916. ⟨10.1111/j.1529-8817.2009.00703.x⟩
Journal articles hal-01458319v1
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Glacial to interglacial primary production and El Nino-Southern Oscillation dynamics inferred from coccolithophores of the Santa Barbara Basin

Michael Grelaud , Luc L Beaufort , Stéphanie Cuven , Noëlle Buchet
Paleoceanography, 2009, 24 (1), pp.PA1203. ⟨10.1029/2007PA001578⟩
Journal articles hal-01458318v1
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Coccolithophore response to climate and surface hydrography in Santa Barbara Basin, California, AD 1917-2004

M. Grelaud , A. Schimmelmann , L. Beaufort
Biogeosciences, 2009, 6 (10), pp.2025-2039. ⟨10.5194/bg-6-2025-2009⟩
Journal articles hal-01458317v1

Introduction to the special section ``Proxy Records and Mechanistic Studies of the Late Quaternary Paleoceanography of the Western Pacific Marginal Seas Using IMAGES Cores''

Meixun Zhao , Min-Te Chen , Luc L Beaufort
Terrestrial Atmospheric and Oceanic Sciences, 2008, 19 (4), pp.I-III. ⟨10.3319/TAO.2008.19.4.I(IMAGES)⟩
Journal articles hal-01458323v1
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Bundled turbidite deposition in the central Pandora Trough (Gulf of Papua) since Last Glacial Maximum: Linking sediment nature and accumulation to sea level fluctuations at millennial timescale

Stéphan J. Jorry , Andre W. Droxler , Gianni Mallarino , Gerald R. Dickens , Sam J. Bentley
Journal of Geophysical Research: Earth Surface, 2008, 113 (F1), pp.F01S19. ⟨10.1029/2006JF000649⟩
Journal articles hal-01458324v1
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Neogene evolution of the mixed carbonate-siliciclastic system in the Gulf of Papua, Papua New Guinea

Evgueni N. Tcherepanov , Andre W. Droxler , Philippe Lapointe , Gerald R. Dickens , Sam J. Bentley
Journal of Geophysical Research: Earth Surface, 2008, 113 (F1), ⟨10.1029/2006JF000684⟩
Journal articles hal-01458321v1
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Deep water geomorphology of the mixed siliciclastic-carbonate system, Gulf of Papua

Jason M. Francis , James J. Daniell , Andre W. Droxler , Gerald R. Dickens , Samuel J. Bentley
Journal of Geophysical Research: Earth Surface, 2008, 113 (F1), pp.F01S16. ⟨10.1029/2007JF000851⟩
Journal articles hal-01458322v1

Biostratigraphic and paleoenvironmental contributions of calcareous nannofossil study from Tortonian-Messinian deposits of Chelif basin (NW Algeria)

Mohamed El Habib Mansouri , Mostefa Bessedik , Marie-Pierre Aubry , Lahcene Belkebir , Bouhameur Mansour
Geodiversitas, 2008, 30 (1), pp.59-77
Journal articles hal-01458320v1

Moisture transport across Central America as a positive feedback on abrupt climatic changes

Guillaume Leduc , Laurence Vidal , K. Tachikawa , Frauke Rostek , Corinne Sonzogni
Nature, 2007, 445 (7130), pp.908-911. ⟨10.1038/nature05578⟩
Journal articles hal-01458326v1

Coccolith chemistry reveals secular variations in the global ocean carbon cycle?

R. E. M. Rickaby , E. Bard , C. Sonzogni , F. Rostek , L. Beaufort
Earth and Planetary Science Letters, 2007, 253 (1-2), pp.83-95. ⟨10.1016/j.epsl.2006.10.016⟩
Journal articles hal-01458325v1
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Effects of acidification and primary production on coccolith weight: Implications for carbonate transfer from the surface to the deep ocean

Luc L Beaufort , Ian Probert , Noëlle Buchet
Geochemistry, Geophysics, Geosystems, 2007, 8, ⟨10.1029/2006GC001493⟩
Journal articles hal-01458328v1

Late Quaternary marginal marine palaeoenvironments of northern Australia as inferred from cluster analysis of coccolith assemblages

Martine J. J. Couapel , Luc L Beaufort , Brian G. Jones , Allan R. Chivas
Marine Micropaleontology, 2007, 65 (3-4), pp.213-231. ⟨10.1016/j.marmicro.2007.07.006⟩
Journal articles hal-01458329v1
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Calcite production by Coccolithophores in the South East Pacific Ocean: from desert to jungle

L. Beaufort , M. Couapel , N. Buchet , Hervé Claustre
Biogeosciences Discussions, 2007, 4 (5), pp.3267-3299
Journal articles hal-00330268v1

Terrigenous input response to glacial/interglacial climatic variations over southern Baja California: a rock magnetic approach

Cecile L. Blanchet , Nicolas Thouveny , Laurence Vidal , Guillaume Leduc , K. Tachikawa
Quaternary Science Reviews, 2007, 26 (25-28), pp.3118-3133. ⟨10.1016/j.quascirev.2007.07.008⟩
Journal articles hal-01458330v1
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A multiproxy assessment of the western equatorial Pacific hydrography during the last 30 kyr

Thibault Garidel-Thoron , Yair Rosenthal , Luc L Beaufort , Edouard Bard , Corinne Sonzogni
Paleoceanography, 2007, 22 (3), ⟨10.1029/2006PA001269⟩
Journal articles hal-01458327v1

Testing the direct effect of CO2 concentration on a bloom of the coccolithophorid Emiliania huxleyi in mesocosm experiments

Anja Engel , Ingrid Zondervan , Katrien Aerts , Luc L Beaufort , Albert Benthien
Limnology and Oceanography, 2005, 50 (2), pp.493-507
Journal articles hal-02677918v1

Trends in size changes in the coccolithophorids, calcareous nannoplankton, during the Mesozoic: A pilot study

L. Beaufort , A Kahn , S Boyd , Mp Aubry , D Bord
Micropaleontology, 2005, 51 (4), pp.309-318. ⟨10.2113/gsmicropal.51.4.309⟩
Journal articles hal-01460376v1

Evolution and variability of the Asian monsoon system: state of the art and outstanding issues

Px Wang , S Clemens , Luc L Beaufort , P Braconnot , G Ganssen
Quaternary Science Reviews, 2005, 24 (5-6), pp.595-629. ⟨10.1016/j.quascirev.2004.10.002⟩
Journal articles hal-01460379v1

Weight estimates of coccoliths using the optical properties (birefringence) of calcite

L. Beaufort
Micropaleontology, 2005, 51 (4), pp.289-297. ⟨10.2113/gsmicropal.51.4.289⟩
Journal articles hal-01460378v1

Testing the direct effect of CO2 concentration on a bloom of the coccolithophorid Emiliania huxleyi in mesocosm experiments

A Engel , I Zondervan , K Aerts , L. Beaufort , A Benthien
Limnology and Oceanography, 2005, 50 (2), pp.493-507
Journal articles hal-01460377v1

Testing the direct effect of CO2 concentration on a bloom of the coccolithophorid Emiliania huxleyi in mesocosm experiments

A Engel , I Zondervan , K Aerts , L. Beaufort , A Benthien
Limnology and Oceanography, 2005, 50 (2), pp.493-507. ⟨10.4319/lo.2005.50.2.0493⟩
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Stable sea surface temperatures in the western Pacific warm pool over the past 1.75 million years

Thibault de Garidel-Thoron-de Garidel-Thoron , Y. Rosenthal , F. Bassinot , Luc L Beaufort
Nature, 2005, 433 (7023), pp.294-298. ⟨10.1038/nature03189⟩
Journal articles hal-00866976v1

Automatic recognition of coccoliths by dynamical neural networks

L. Beaufort , D Dollfus
Marine Micropaleontology, 2004, 51 (1-2), pp.57-73. ⟨10.1016/j.marmicro.2003.09.003⟩
Journal articles hal-01460381v1
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Evidence for large methane releases to the atmosphere from deep-sea gas-hydrate dissociation during the last glacial episode

T De Garidel-Thoron , L. Beaufort , F Bassinot , P Henry
Proceedings of the National Academy of Sciences of the United States of America, 2004, 101 (25), pp.9187-9192. ⟨10.1073/pnas.0402909101⟩
Journal articles hal-01460380v1

A biomass burning record from the West Equatorial Pacific over the last 360 ky: methodological, climatic and anthropic implications

F Thevenon , E. Bard , D Williamson , L. Beaufort
Palaeogeography, Palaeoclimatology, Palaeoecology, 2004, 213 (1-2), pp.83-99. ⟨10.1016/j.palaeo.2004.07.003⟩
Journal articles hal-01460382v1

Late quaternary paleoclimatology of the western equatorial Pacific

Y Rosenthal , T de Garidel-Thoron , Dw Oppo , Bk Linsley , L. Beaufort
Geochimica et Cosmochimica Acta, 2003, 67 (18, 1), pp.A401
Journal articles hal-01460385v1

Biomass burning and oceanic primary production estimates in the Sulu Sea area over the last 380 kyr and the East Asian monsoon dynamics

L. Beaufort , T De Garidel-Thoron , B Linsley , D Oppo , N Buchet
Marine Geology, 2003, 201 (1), pp.53--65
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East Asian monsoon forcing of suborbital variability in the Sulu Sea during Marine Isotope Stage 3: Link to Northern Hemisphere climate

S Dannenmann , Bk Linsley , Dw Oppo , Y Rosenthal , L. Beaufort
Geochemistry, Geophysics, Geosystems, 2003, 4, ⟨10.1029/2002GC000390⟩
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Orbital and suborbital climate variability in the Sulu Sea, western tropical Pacific

Dw Oppo , Bk Linsley , Y Rosenthal , S Dannenmann , L. Beaufort
Geochemistry, Geophysics, Geosystems, 2003, 4, ⟨10.1029/2001GC000260⟩
Journal articles hal-01460383v1

Geomagnetic-assisted stratigraphy and sea surface temperature changes in core MD94-103 (Southern Indian Ocean): possible implications for North-South climatic relationships around H4

A. Mazaud , Marie-Alexandrine Sicre , Ullah Ezat , J.-J. Pichon , J. Duprat
Earth and Planetary Science Letters, 2002, 201 (1), pp.159-170. ⟨10.1016/S0012-821X(02)00662-3⟩
Journal articles hal-01460386v1

Long-chain alkenones and U 37 k′ variability along a south―north transect in the Western Pacific Ocean

Ilham Bentaleb , Michel Fontugne , Luc L Beaufort
Global and Planetary Change, 2002, 34 (3-4), pp.173-183. ⟨10.1016/S0921-8181(02)00113-3⟩
Journal articles hal-01461253v1
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Millennial-scale dynamics of the East Asian winter monsoon during the last 200,000 years

T De Garidel-Thoron , L. Beaufort , Bk Linsley , S Dannenmann
Paleoceanography, 2001, 16 (5), pp.491-502. ⟨10.1029/2000PA000557⟩
Journal articles hal-01460389v1

ENSO-like forcing on oceanic primary production during the Late Pleistocene

L. Beaufort , T De Garidel-Thoron , Ac Mix , Ng Pisias
Science, 2001, 293 (5539), pp.2440-2444. ⟨10.1126/science.293.5539.2440⟩
Journal articles hal-01460388v1

Seasonal dynamics of calcareous nannoplankton on a West European continental margin: the Bay of Biscay

Luc L Beaufort , Serge Heussner
Marine Micropaleontology, 2001, 43 (1), pp.27--55
Journal articles hal-01461254v1

Downward particle fluxes within different productivity regimes off the Mauritanian upwelling zone (EUMELI program)

A. Bory , C. Jeandel , N. Leblond , A. Vangriesheim , A. Khripounoff
Deep Sea Research Part I: Oceanographic Research Papers, 2001, 48 (10), pp.2251-2282. ⟨10.1016/S0967-0637(01)00010-3⟩
Journal articles hal-02880696v1

Sea-level and environmental changes since the last interglacial in the Gulf of Carpentaria, Australia: an overview

Allan Chivas , Adriana García , Sander van Der Kaars , Martine Couapel , Sabine Holt
Quaternary International, 2001, 83-85, pp.19-46. ⟨10.1016/S1040-6182(01)00029-5⟩
Journal articles hal-02298830v1

Biomarker stratigraphic records over the last 150 kyears off the NW African coast at 25° N

Marie-Alexandrine Sicre , Yann Ternois , Martine Paterne , Anne Boireau , L. Beaufort
Organic Geochemistry, 2000, 31 (6), pp.577-588. ⟨10.1016/S0146-6380(00)00021-8⟩
Journal articles hal-01460390v1

Coccolithophorids on the continental slope of the Bay of Biscay―production, transport and contribution to mass fluxes

Luc L Beaufort , Serge Heussner
Deep Sea Research Part II: Topical Studies in Oceanography, 1999, 46 (10), pp.2147--2174
Journal articles hal-01461260v1

PART I―HYDROLOGY & BIOGEOCHEMISTRY OF THE WATER COLUMN-Spatial and temporal patterns of downward particle fluxes on the continental slope of the Bay of Biscay (northeastern Atlantic)

S Heussner , Xavier Durrieu de Madron , O. Radakovitch , L. Beaufort , Pe Biscaye
Deep Sea Research Part II: Topical Studies in Oceanography, 1999, 46 (10), pp.2101--2146
Journal articles hal-01461257v1

Fat neural network for recognition of position-normalised objects

D Dollfus , L. Beaufort
Neural Networks, 1999, 12 (3), pp.553-560. ⟨10.1016/S0893-6080(99)00011-8⟩
Journal articles hal-01460392v1

Paleoproductivity in the Equatorial Indian Ocean for the last 260,000 yr: a transfer function based on planktonic foraminifera

Olivia Cayre , Luc L Beaufort , Edith Vincent
Quaternary Science Reviews, 1999, 18 (6), pp.839--857
Journal articles hal-01461258v1

Spatial and temporal patterns of downward particle fluxes on the continental slope of the Bay of Biscay (northeastern Atlantic)

Serge Heussner , Xavier Durrieu de Madron , Olivier Radakovitch , Luc L Beaufort , Pierre E Biscaye
Deep Sea Research Part II: Topical Studies in Oceanography, 1999, 46 (10), pp.2101--2146
Journal articles hal-01461259v1

Sea surface temperature and productivity records for the last 240 kyr on the Arabian Sea

F Rostek , E. Bard , L. Beaufort
Oceanographic Literature Review, 1998, 7 (45), pp.1123
Journal articles hal-01461262v1

Hydrocarbons, sterols and alkenones in sinking particles in the Indian Ocean sector of the Southern Ocean

Yann Ternois , Marie-Alexandrine Sicre , Anne Boireau , Luc L Beaufort , Juan-Carlos Miquel
Organic Geochemistry, 1998, 28 (7), pp.489--501. ⟨10.1016/S0146-6380(98)00008-4⟩
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Exploring quaternary variability of the east Asia monsoon, Kuroshio Current, and western Pacific warm pool systems: High-resolution investigations of paleoceanography from the IMAGES III (MD106) IPHIS cruise

Mt Chen , L. Beaufort , Shipboard Sci Party Images Iiimd 106 - Iphis
Terrestrial Atmospheric and Oceanic Sciences, 1998, 9 (1), pp.129-142
Journal articles hal-01460393v1

Sea surface temperature and productivity records for the past 240 kyr in the Arabian Sea

Frauke Rostek , Edouard Bard , Luc L Beaufort , Corinne Sonzogni , Gerald Ganssen
Deep Sea Research Part II: Topical Studies in Oceanography, 1997, 44 (6), pp.1461--1480
Journal articles hal-01461265v1

Insolation cycles as a major control equatorial Indian Ocean primary production

L. Beaufort , Y Lancelot , P Camberlin , O Cayre , E Vincent
Science, 1997, 278 (5342), pp.1451-1454. ⟨10.1126/science.278.5342.1451⟩
Journal articles hal-01460394v1

Dynamics of the monsoon in the equatorial Indian Ocean over the last 260,000 years

Luc L Beaufort
Quaternary International, 1996, 31, pp.13--18
Journal articles hal-01461266v1

The glacial ocean productivity hypothesis: The importance of regional temporal and spatial studies

Pierre Bertrand , G. Shimmield , P. Martinez , F. Grousset , F. Jorissen
Marine Geology, 1996, 130 (1-2), pp.1-9. ⟨10.1016/0025-3227(95)00166-2⟩
Journal articles hal-01460395v1

Periodicities of carbonate cycles in the Valanginian of the Vocontian Trough: a strong obliquity control

F Giraud , Luc L Beaufort , P Cotillon
The Geological Society, London, Special Publications, 1995, 85 (1), pp.143--164
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ASTRONOMICAL CONTROL OF CARBONATE RECORD IN THE LOWER CRETACEOUS OF THE VOCONTIAN BASIN (SE FRANCE)

F Giraud , L. Beaufort , P Cotillon
Bulletin de la Société Géologique de France, 1995, 166 (4), pp.409-421
Journal articles hal-01460396v1

Controle astronomique de la sedimentation carbonatee dans le Cretace inferieur du Bassin vocontien (SE France)

Fabienne Giraud , Luc L Beaufort , Pierre Cotillon
Bulletin de la Société Géologique de France, 1995, 166 (4), pp.409--421
Journal articles hal-01461269v1
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The formation of Pliocene sapropels and carbonate cycles in the Mediterranean: diagenesis, dilution, and productivity

Bjh van Os , Lj Lourens , Fj Hilgen , Gj de Lange , L. Beaufort
Paleoceanography, 1994, 9 (4), pp.601--617
Journal articles hal-01461271v1
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COARSE FRACTION FLUCTUATIONS IN PELAGIC CARBONATE SEDIMENTS FROM THE TROPICAL INDIAN-OCEAN - A 1500-KYR RECORD OF CARBONATE DISSOLUTION

Fc Bassinot , L. Beaufort , E Vincent , Ld Labeyrie , F Rostek
Paleoceanography, 1994, 9 (4), pp.579-600. ⟨10.1029/94PA00860⟩
Journal articles hal-01460400v1
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CLIMATIC IMPORTANCE OF THE MODULATION OF THE 100-KYR CYCLE INFERRED FROM 16-MY LONG MIOCENE RECORDS

L. Beaufort
Paleoceanography, 1994, 9 (6), pp.821-834. ⟨10.1029/94PA02115⟩
Journal articles hal-01460397v1
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Size Variations in Late Miocene Reticulofenestra and implication for paleo climatic interpretation

Luc L Beaufort
Memorie di Scienze Geologiche, 1992
Journal articles hal-01670447v1

ADAPTATION OF THE RANDOM SETTLING METHOD FOR QUANTITATIVE STUDIES OF CALCAREOUS NANNOFOSSILS

L. Beaufort
Micropaleontology, 1991, 37 (4), pp.415-418. ⟨10.2307/1485914⟩
Journal articles hal-01460401v1
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FLUCTUATIONS IN THE COMPOSITION OF LATE MIOCENE CALCAREOUS NANNOFOSSIL ASSEMBLAGES AS A RESPONSE TO ORBITAL FORCING

Luc L Beaufort , Marie-Pierre Aubry
Paleoceanography, 1990, 5 (6), pp.845-865. ⟨10.1029/PA005i006p00845⟩
Journal articles hal-01460402v1