Climate group @CEREGE, France
@climatecerege.bsky.social
News from the climate group at @cerege.bsky.social, Aix en Provence
Carbon, paleoclimates, models, geochemistry, southern france stuff, (micro)fossils, glaciology...
Carbon, paleoclimates, models, geochemistry, southern france stuff, (micro)fossils, glaciology...
Pinned
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Reposted by Climate group @CEREGE, France
@univ-amu.fr PhD student V. Guarinos recently submitted a paper as first author.
🔗 to his @egu.eu preprint under review for @egubg.bsky.social:
doi.org/10.5194/egus...
With his PhD supervisors K. Tachikawa and @chalkyoceans.bsky.social at @climatecerege.bsky.social.
🧪 ⚒️ 🌊
#ForamFriday
#FossilFriday
🔗 to his @egu.eu preprint under review for @egubg.bsky.social:
doi.org/10.5194/egus...
With his PhD supervisors K. Tachikawa and @chalkyoceans.bsky.social at @climatecerege.bsky.social.
🧪 ⚒️ 🌊
#ForamFriday
#FossilFriday
Planktonic foraminifera Iodine/Calcium ratio: is it a proxy for dissolved oxygen in the ocean?
Abstract. Direct observations indicate a declining trend in ocean oxygen concentrations, which is not quantitatively captured by models. The complexity of oxygenation variability, linked to both physi...
doi.org
February 13, 2026 at 6:19 AM
@univ-amu.fr PhD student V. Guarinos recently submitted a paper as first author.
🔗 to his @egu.eu preprint under review for @egubg.bsky.social:
doi.org/10.5194/egus...
With his PhD supervisors K. Tachikawa and @chalkyoceans.bsky.social at @climatecerege.bsky.social.
🧪 ⚒️ 🌊
#ForamFriday
#FossilFriday
🔗 to his @egu.eu preprint under review for @egubg.bsky.social:
doi.org/10.5194/egus...
With his PhD supervisors K. Tachikawa and @chalkyoceans.bsky.social at @climatecerege.bsky.social.
🧪 ⚒️ 🌊
#ForamFriday
#FossilFriday
Reposted by Climate group @CEREGE, France
Four days later, I think I can finally process this:
I’ve been awarded a Marie Skłodowska-Curie Postdoctoral Fellowship (#MSCA -PF 2025).
17,066 applications this year. ~9.6% funded.
Still feels slightly unreal.
I’ve been awarded a Marie Skłodowska-Curie Postdoctoral Fellowship (#MSCA -PF 2025).
17,066 applications this year. ~9.6% funded.
Still feels slightly unreal.
February 12, 2026 at 8:32 PM
Four days later, I think I can finally process this:
I’ve been awarded a Marie Skłodowska-Curie Postdoctoral Fellowship (#MSCA -PF 2025).
17,066 applications this year. ~9.6% funded.
Still feels slightly unreal.
I’ve been awarded a Marie Skłodowska-Curie Postdoctoral Fellowship (#MSCA -PF 2025).
17,066 applications this year. ~9.6% funded.
Still feels slightly unreal.
Leny worked with us for quite some time!
🎙️ Our first interview is out!
Meet Leny Montheil, geodynamicist and paleogeography specialist, as he takes us back to the Eocene to explore how primates dispersed across a changing world.
▶️ Watch it now on YouTube
youtu.be/bjzU_UIXseU
Meet Leny Montheil, geodynamicist and paleogeography specialist, as he takes us back to the Eocene to explore how primates dispersed across a changing world.
▶️ Watch it now on YouTube
youtu.be/bjzU_UIXseU
The People Behind the ERC Dispersal project | Scientist Interview #1
YouTube video by CEREGE
youtu.be
February 3, 2026 at 6:32 PM
Leny worked with us for quite some time!
Today, the climate team officially launched its carbon footprint mitigation policy. After one year of monitoring the carbon footprint of our trips (a total of 83 tCO2 for 90 persons in 2025), we voted to reduce this amount of 10% every year until 2030. (1/2)
January 30, 2026 at 3:32 PM
Today, the climate team officially launched its carbon footprint mitigation policy. After one year of monitoring the carbon footprint of our trips (a total of 83 tCO2 for 90 persons in 2025), we voted to reduce this amount of 10% every year until 2030. (1/2)
🚨New paper from the team 🚨 In this climate modeling study, PhD student Erwan Pineau investigated the paleogeographic drivers controling the evolution of the AMOC during the Cenozoic. And the southern ocean gateways have a significant impact! doi.org/10.1029/2025...
Connecting the Atlantic Meridional Overturning Circulation to the Southern Ocean Following the Closure of Equatorial Seaways During the Cenozoic
Before the Miocene, the Atlantic overturning circulation was confined to the Northern Hemisphere, becoming inter-hemispheric thereafter During the Cenozoic, the upwelling of North Atlantic Deep W...
doi.org
January 27, 2026 at 8:48 AM
🚨New paper from the team 🚨 In this climate modeling study, PhD student Erwan Pineau investigated the paleogeographic drivers controling the evolution of the AMOC during the Cenozoic. And the southern ocean gateways have a significant impact! doi.org/10.1029/2025...
Reposted by Climate group @CEREGE, France
A new preprint from our research group is online!
In this paper, Paul Botté, PhD student in the project at @climatecerege.bsky.social, studied the evolution of continental environmental through the late Eocene and earliest Oligocene in central Anatolia.
egusphere.copernicus.org/preprints/20...
In this paper, Paul Botté, PhD student in the project at @climatecerege.bsky.social, studied the evolution of continental environmental through the late Eocene and earliest Oligocene in central Anatolia.
egusphere.copernicus.org/preprints/20...
January 26, 2026 at 1:12 PM
A new preprint from our research group is online!
In this paper, Paul Botté, PhD student in the project at @climatecerege.bsky.social, studied the evolution of continental environmental through the late Eocene and earliest Oligocene in central Anatolia.
egusphere.copernicus.org/preprints/20...
In this paper, Paul Botté, PhD student in the project at @climatecerege.bsky.social, studied the evolution of continental environmental through the late Eocene and earliest Oligocene in central Anatolia.
egusphere.copernicus.org/preprints/20...
Check the work of our team on ancient dispersals, featuring @alexislicht.bsky.social and the @dispersal-erc.bsky.social project!
How did mammals cross oceans millions of years ago?
Our first video introducing the ERC-funded DISPERSAL project is live on YouTube 🎉
👇 Check it out!
youtu.be/COdGQYkdraw
🎙️ First episode of a series of interviews with the scientists involved. Stay tuned — more interviews coming soon!
Our first video introducing the ERC-funded DISPERSAL project is live on YouTube 🎉
👇 Check it out!
youtu.be/COdGQYkdraw
🎙️ First episode of a series of interviews with the scientists involved. Stay tuned — more interviews coming soon!
🐒🌊 Crossing oceans without boats: the mysterious overwater dispersals of ancient mammals
YouTube video by CEREGE
youtu.be
January 20, 2026 at 3:45 PM
Check the work of our team on ancient dispersals, featuring @alexislicht.bsky.social and the @dispersal-erc.bsky.social project!
Reposted by Climate group @CEREGE, France
Un grand botaniste et un grand penseur de notre rapport à la nature.
Francis Hallé, botaniste et infatigable défenseur des arbres, est mort à l’âge de 87 ans
Francis Hallé, botaniste et infatigable défenseur des arbres, est mort à l’âge de 87 ans
Le dendrologue, spécialiste des forêts tropicales et de l’architecture des arbres, avait réussi, grâce à ses talents de pédagogue et à ses dons de dessinateur, à capter l’attention et la sympathie du grand public. Il est mort le 31 décembre.
www.lemonde.fr
January 4, 2026 at 10:18 AM
Un grand botaniste et un grand penseur de notre rapport à la nature.
Reposted by Climate group @CEREGE, France
Camille Grohe, Vincent Lazzari (@palevoprim.bsky.social) et Thiery Ghislain @pleistogames.bsky.social vous présentent la bande-annonce du jeu vidéo Taphos, projet Dem’up de l’
@univpoitiers.bsky.social une immersion originale entre science et expérience interactive. @cnrsecologie.bsky.social
@univpoitiers.bsky.social une immersion originale entre science et expérience interactive. @cnrsecologie.bsky.social
December 19, 2025 at 9:20 AM
Camille Grohe, Vincent Lazzari (@palevoprim.bsky.social) et Thiery Ghislain @pleistogames.bsky.social vous présentent la bande-annonce du jeu vidéo Taphos, projet Dem’up de l’
@univpoitiers.bsky.social une immersion originale entre science et expérience interactive. @cnrsecologie.bsky.social
@univpoitiers.bsky.social une immersion originale entre science et expérience interactive. @cnrsecologie.bsky.social
A big part of the team before our annual end of the year meeting!
December 18, 2025 at 3:36 PM
A big part of the team before our annual end of the year meeting!
New paper from the team !
Another new @egubg.bsky.social highlight paper for @climatecerege.bsky.social, with my colleague @lucbeaufort.bsky.social!
A foram- and coccolith-based story led by the former @unibremen.bsky.social @marumunibremen.bsky.social PhD student Pauline Cornuault:
doi.org/10.5194/bg-2...
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
A foram- and coccolith-based story led by the former @unibremen.bsky.social @marumunibremen.bsky.social PhD student Pauline Cornuault:
doi.org/10.5194/bg-2...
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
Orbital-scale variability in the contribution of foraminifera and coccolithophores to pelagic carbonate production
Abstract. Throughout the Cenozoic, calcareous nannoplankton and planktonic foraminifera have been the main producers of pelagic carbonate preserved on the seafloor. While past variability in pelagic c...
doi.org
December 18, 2025 at 12:59 PM
New paper from the team !
A new paper from the team!
🚨New paper alert🚨 40 million years ago, anthropoid primates and rodents dispersed from East Asia to Africa and South America, across two wide oceans (the Neotethys and the Southern Atlantic). So Which way did they pass? @dispersal-erc.bsky.social (1/n)
doi.org/10.1016/j.ea...
doi.org/10.1016/j.ea...
Redirecting
doi.org
December 16, 2025 at 4:55 PM
A new paper from the team!
Reposted by Climate group @CEREGE, France
New @egu-cl.bsky.social paper with my @cerege.bsky.social @climatecerege.bsky.social colleague @lucbeaufort.bsky.social!
Also with @melissaberke.bsky.social in addition to @ianhall.bsky.social.
Please also check out the summary of the paper in the quoted post! 👇🏻
@egu.eu
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
Also with @melissaberke.bsky.social in addition to @ianhall.bsky.social.
Please also check out the summary of the paper in the quoted post! 👇🏻
@egu.eu
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
🌊 Our latest study reconstructs the tropical Indian Ocean during the mid-Pliocene - a past warm world with CO2 similar to today.
A reminder that future oceans may reorganise in ways that reshape ecosystems and the carbon cycle.
IODP EXP361
cp.copernicus.org/articles/21/...
A reminder that future oceans may reorganise in ways that reshape ecosystems and the carbon cycle.
IODP EXP361
cp.copernicus.org/articles/21/...
Photic zone niche partitioning, stratification, and carbon cycling in the tropical Indian Ocean during the Piacenzian
Abstract. The mid-Piacenzian Warm Period (mPWP; ∼ 3.264–3.025 Ma) marks the most recent episode of sustained global warmth, characterised by atmospheric carbon dioxide (pCO2) levels similar to those o...
cp.copernicus.org
December 5, 2025 at 5:38 PM
New @egu-cl.bsky.social paper with my @cerege.bsky.social @climatecerege.bsky.social colleague @lucbeaufort.bsky.social!
Also with @melissaberke.bsky.social in addition to @ianhall.bsky.social.
Please also check out the summary of the paper in the quoted post! 👇🏻
@egu.eu
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
Also with @melissaberke.bsky.social in addition to @ianhall.bsky.social.
Please also check out the summary of the paper in the quoted post! 👇🏻
@egu.eu
🧪 ⚒️ 🌊 👩🔬
#PaleoSky
Another paper from the team, featuring the work of Melanie Guardiola, PhD student of Yannick Garcin and @guillaume-leduc.bsky.social !
Several @cerege.bsky.social @climatecerege.bsky.social colleagues, including @guillaume-leduc.bsky.social, have another new plant-wax #alkanes paper, which is led by the @univ-amu.fr PhD student Mélanie Guardiola:
www.sciencedirect.com/science/arti...
🧪 ⚒️ 👩🔬
With implications for #PaleoSky
www.sciencedirect.com/science/arti...
🧪 ⚒️ 👩🔬
With implications for #PaleoSky
Plant-wax n-alkanes from the central Congo Basin as palaeo-environmental and -climatic proxies
The central Congo Basin is home to the world’s largest tropical peatland complex and is covered with swamp forest. In the face of climate change and f…
www.sciencedirect.com
December 4, 2025 at 5:03 PM
Another paper from the team, featuring the work of Melanie Guardiola, PhD student of Yannick Garcin and @guillaume-leduc.bsky.social !
More evidence for cannibalism within Neandertal communities! Blood and bones in the paper co-authored by @thibaut-d.bsky.social from our team
#Communiqué 🗞️ L’étude d’ossements néandertaliens de la Troisième caverne de Goyet révèle un cannibalisme sélectif, ciblant les femmes et les enfants, il y a 41 000-45 000 ans. Les victimes venaient probablement d’un groupe extérieur à la communauté.
👉 www.cnrs.fr/fr/presse/de...
👉 www.cnrs.fr/fr/presse/de...
November 24, 2025 at 8:08 AM
More evidence for cannibalism within Neandertal communities! Blood and bones in the paper co-authored by @thibaut-d.bsky.social from our team
Join us as a postdoc at CEREGE !
If you are looking for a postdoc, here is a chance to join for one year the @cnrs-insu.bsky.social in France (and more locally @cerege.bsky.social / @climatecerege.bsky.social group) www.campusfrance.org/en/mopga-2026
MOPGA 2026: Visiting Fellowship Program for Early Career Researchers | Campus France
www.campusfrance.org
November 18, 2025 at 2:37 PM
Join us as a postdoc at CEREGE !
How did the hydroclimate of central America responded to Glacial conditions? Find out in the first paper of Elise Luciani, PhD student of @guillaume-leduc.bsky.social in our team!
doi.org/10.1016/j.ep...
doi.org/10.1016/j.ep...
Redirecting
doi.org
November 13, 2025 at 10:32 AM
How did the hydroclimate of central America responded to Glacial conditions? Find out in the first paper of Elise Luciani, PhD student of @guillaume-leduc.bsky.social in our team!
doi.org/10.1016/j.ep...
doi.org/10.1016/j.ep...
Congrats to @juliemeilland.bsky.social, who just got awarded the prestigious Alan Higgins awards from the @micropalaeosoc.bsky.social !
I was awarded the Alan Higgins Award by @micropalaeosoc.bsky.social for my work on planktonic foraminifera reproduction and culture. I feel very honored and can only thank all the great colleagues who supported me along the way in Norway, Ireland, the UK, Germany and France!
November 7, 2025 at 4:47 PM
Congrats to @juliemeilland.bsky.social, who just got awarded the prestigious Alan Higgins awards from the @micropalaeosoc.bsky.social !
Reposted by Climate group @CEREGE, France
My @cerege.bsky.social @climatecerege.bsky.social colleague @jysuarezibarra.bsky.social has a new co-authored paper led by Camila Lopes! 👇🏻
www.sciencedirect.com/science/arti...
Congrats!
🧪 ⚒️ 👩🔬
#PaleoSky
www.sciencedirect.com/science/arti...
Congrats!
🧪 ⚒️ 👩🔬
#PaleoSky
November 4, 2025 at 10:06 AM
My @cerege.bsky.social @climatecerege.bsky.social colleague @jysuarezibarra.bsky.social has a new co-authored paper led by Camila Lopes! 👇🏻
www.sciencedirect.com/science/arti...
Congrats!
🧪 ⚒️ 👩🔬
#PaleoSky
www.sciencedirect.com/science/arti...
Congrats!
🧪 ⚒️ 👩🔬
#PaleoSky
Reposted by Climate group @CEREGE, France
Wonder what carbon was doing in the oceans before humans were around to see? We'll use the chemistry of tiny shells on the seafloor to find out how carbon moved between the ocean and atmosphere over 1 million years ago.
Come work with us in 2026 for your M2 internship @climatecerege.bsky.social.
Come work with us in 2026 for your M2 internship @climatecerege.bsky.social.
Are you looking for a master's internship (5-6 months)?
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Deep_ocean_carbon_storage_M2.pdf
Nuage - le Nuage de l'OSU Pytheas
nuage.osupytheas.fr
October 27, 2025 at 4:00 PM
Wonder what carbon was doing in the oceans before humans were around to see? We'll use the chemistry of tiny shells on the seafloor to find out how carbon moved between the ocean and atmosphere over 1 million years ago.
Come work with us in 2026 for your M2 internship @climatecerege.bsky.social.
Come work with us in 2026 for your M2 internship @climatecerege.bsky.social.
Reposted by Climate group @CEREGE, France
Excited to share our new paper out today in Science led by Patrizia Ziveri and the BIOCAL Working Group!
With @willerstorfi.bsky.social, @nanophyto.bsky.social, @tdegaridel.bsky.social and many colleagues!
@climatecerege.bsky.social
@icta-uab.bsky.social
🔗 science.org/doi/10.1126/science.adq8520
With @willerstorfi.bsky.social, @nanophyto.bsky.social, @tdegaridel.bsky.social and many colleagues!
@climatecerege.bsky.social
@icta-uab.bsky.social
🔗 science.org/doi/10.1126/science.adq8520
Calcifying plankton: From biomineralization to global change
The cycling of calcium carbonate (CaCO3) in the ocean is closely linked to seawater alkalinity and the regulation of atmospheric CO2. In the modern pelagic ocean, almost all CaCO3 is produced by three...
science.org
October 23, 2025 at 9:15 PM
Excited to share our new paper out today in Science led by Patrizia Ziveri and the BIOCAL Working Group!
With @willerstorfi.bsky.social, @nanophyto.bsky.social, @tdegaridel.bsky.social and many colleagues!
@climatecerege.bsky.social
@icta-uab.bsky.social
🔗 science.org/doi/10.1126/science.adq8520
With @willerstorfi.bsky.social, @nanophyto.bsky.social, @tdegaridel.bsky.social and many colleagues!
@climatecerege.bsky.social
@icta-uab.bsky.social
🔗 science.org/doi/10.1126/science.adq8520
Reposted by Climate group @CEREGE, France
Are you looking for a master's internship (5-6 months)?
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Deep_ocean_carbon_storage_M2.pdf
Nuage - le Nuage de l'OSU Pytheas
nuage.osupytheas.fr
October 22, 2025 at 12:03 PM
Are you looking for a master's internship (5-6 months)?
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Early Pleistocene deep ocean carbon storage in the Caribbean Sea 🌎🌊
Come to
@climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 30 Nov 2025.
Start: Jan-Feb 2026.
More info👇
nuage.osupytheas.fr/s/AF4qYHA4CQ...
Reposted by Climate group @CEREGE, France
Such an event last week with our new #PhD Eah Opitz presenting her preliminary #microfacies results for the very first time in an international conference 🥳
@sedimentology.bsky.social @climatecerege.bsky.social
@inquaecr.bsky.social @pages-ipo.bsky.social
@sedimentology.bsky.social @climatecerege.bsky.social
@inquaecr.bsky.social @pages-ipo.bsky.social
October 18, 2025 at 5:33 PM
Such an event last week with our new #PhD Eah Opitz presenting her preliminary #microfacies results for the very first time in an international conference 🥳
@sedimentology.bsky.social @climatecerege.bsky.social
@inquaecr.bsky.social @pages-ipo.bsky.social
@sedimentology.bsky.social @climatecerege.bsky.social
@inquaecr.bsky.social @pages-ipo.bsky.social
Reposted by Climate group @CEREGE, France
Great moment with Majid Naderi sharing to our small #limnogeology team the high-resolution lake sediment sampling procedures 🔪 🔪learnt from our partner Dr Takeshi Nakagawa to analyse a new, amazing, sequence from #Iran… 🤩
@climatecerege.bsky.social @cnrs-insu.bsky.social
@climatecerege.bsky.social @cnrs-insu.bsky.social
October 18, 2025 at 11:09 AM
Great moment with Majid Naderi sharing to our small #limnogeology team the high-resolution lake sediment sampling procedures 🔪 🔪learnt from our partner Dr Takeshi Nakagawa to analyse a new, amazing, sequence from #Iran… 🤩
@climatecerege.bsky.social @cnrs-insu.bsky.social
@climatecerege.bsky.social @cnrs-insu.bsky.social
Reposted by Climate group @CEREGE, France
Are you looking for a master's internship (5-6 months)?
Constraining tropical planktonic foraminifera depth habitats in a (past) high-CO2 world 🥵🌎
Come to @climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 15 Nov 2025.
Start: Jan-Mar 2026.
More info👇
nuage.osupytheas.fr/s/fdAEGQXkwA...
Constraining tropical planktonic foraminifera depth habitats in a (past) high-CO2 world 🥵🌎
Come to @climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 15 Nov 2025.
Start: Jan-Mar 2026.
More info👇
nuage.osupytheas.fr/s/fdAEGQXkwA...
stage_M2_Suarez-Ibarra.pdf
Nuage - le Nuage de l'OSU Pytheas
nuage.osupytheas.fr
October 15, 2025 at 3:10 PM
Are you looking for a master's internship (5-6 months)?
Constraining tropical planktonic foraminifera depth habitats in a (past) high-CO2 world 🥵🌎
Come to @climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 15 Nov 2025.
Start: Jan-Mar 2026.
More info👇
nuage.osupytheas.fr/s/fdAEGQXkwA...
Constraining tropical planktonic foraminifera depth habitats in a (past) high-CO2 world 🥵🌎
Come to @climatecerege.bsky.social, south of France☀️🇫🇷
Deadline: 15 Nov 2025.
Start: Jan-Mar 2026.
More info👇
nuage.osupytheas.fr/s/fdAEGQXkwA...