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| CEREGE | |
|---|---|
| Name | CEREGE |
| Established | 1985 |
| Type | Research institute |
| Headquarters | Aix-en-Provence |
CEREGE is a multidisciplinary research institute based near Aix-en-Provence dedicated to Earth and environmental sciences, integrating geology, geochemistry, climatology and paleoenvironmental studies. The institute brings together researchers and technicians to study past and present interactions among the Mediterranean Sea, Alps, Rhone River, and regional ecosystems, producing datasets relevant to climate change, sea level change, and natural hazards. It collaborates with national and international institutions and contributes to scientific assessments, monitoring, and public policy dialogues.
Founded in 1985, the institute emerged from collaborations among French research organizations including the Centre national de la recherche scientifique, the Université Aix-Marseille III, and regional agencies linked to Mediterranean studies. Its development paralleled expansions in marine drilling programs such as the Deep Sea Drilling Project and the Ocean Drilling Program, and continental initiatives like the European Geosciences Union meetings and the International Continental Scientific Drilling Program. Early work intersected with projects around the Gulf of Lion, the Provence Basin, and the Durance River catchment, and engaged with expeditions associated with the R/V Marion Dufresne and collaborations with the Ifremer fleet. Over decades CEREGE staff participated in campaigns connected to the Intergovernmental Panel on Climate Change assessment cycles, the Mediterranean Action Plan, and continental paleoenvironmental syntheses tied to the Paleoclimate Modelling Intercomparison Project.
The institute’s thematic scope covers Quaternary geology, geochemistry, paleoceanography, and sedimentology, intersecting with studies of the Last Glacial Maximum, Holocene Climate Optimum, and events like the Younger Dryas cooling. Teams investigate biogeochemical cycles involving elements traced in proxies such as stable isotope ratios, trace metals studied in contexts like the Black Sea anoxic events, and biomarkers comparable to those from Greenland ice core records. Research connects tectonic processes in the Alps, sediment routing from the Rhone River, and Mediterranean connectivity shifts like those inferred from the Messinian Salinity Crisis. Interdisciplinary links extend to archaeology through comparisons with Neolithic settlement patterns and to hazards via studies of tsunami deposits and slope instability observed after events like the 1963 Vajont disaster.
Laboratory infrastructures include mass spectrometry suites for radiocarbon dating and U-Pb zircon geochronology, gas chromatographs for organic geochemistry comparable to analyses used in Mauna Loa Observatory carbon measurements, and scanning facilities akin to those at the European Synchrotron Radiation Facility. Sediment coring capabilities mirror protocols from the Integrated Ocean Drilling Program and use shore-based laboratories for micropaleontology referencing collections like those at the Natural History Museum, London. Analytical methods span electron microscopy techniques developed in institutions such as the Max Planck Society facilities, and isotope ratio mass spectrometry standards paralleling those from the National Oceanic and Atmospheric Administration. Field logistics rely on collaborations with regional ports including Marseille and research vessels such as the R/V Pourquoi Pas?.
CEREGE teams contributed to high-resolution reconstructions of Mediterranean paleoclimate comparable to records from Greenland Ice Sheet Project cores, demonstrating links between North Atlantic variability and Mediterranean hydroclimate during the Little Ice Age and the Medieval Warm Period. Work on sapropel layers paralleled studies of the Black Sea sapropels and informed hypotheses on past eutrophication episodes associated with shifts documented in the Nile Delta sediments. Investigations of lacustrine sequences tied to the Lake Ohrid project and stalagmite chronologies akin to those from Sicily caves provided insights into abrupt hydroclimatic events similar to the 8.2 kiloyear event. Contributions to tsunami stratigraphy improved hazard models informed by comparisons with deposits from the Hellenic Arc and the Lisbon earthquake of 1755. Paleoflood reconstructions drew on methodologies used for the Missoula Floods studies, and geomorphological mapping informed regional tectonics assessments similar to work on the Alpine Fault.
The institute maintains partnerships with national bodies such as the CNRS, universities including Aix-Marseille University, and European networks like the European Research Council consortia and the Horizon 2020 framework. International collaborations extend to institutes like the Lamont–Doherty Earth Observatory, the Scripps Institution of Oceanography, the Geological Survey of Norway, and the Instituto Geológico y Minero de España. Funding sources include grants from the Agence Nationale de la Recherche, European Commission programs, and contributions from regional councils similar to those supporting the Côte d'Azur Observatory. Collaborative frameworks include involvement in infrastructure initiatives akin to the Mediterranean Sea Level and Climate Observing System and data-sharing with repositories such as the PANGAEA data publisher.
CEREGE participates in graduate education through doctoral programs affiliated with Aix-Marseille University and offers postdoctoral fellowships reflective of schemes at the Marie Skłodowska-Curie Actions. Outreach activities include public lectures in venues comparable to the Muséum d'histoire naturelle de Marseille, exhibits tied to regional heritage sites like the Arles Amphitheatre, and citizen science initiatives echoing programs from the European Geosciences Union outreach efforts. Training courses cover techniques used in international summer schools such as those organized by the International Union for Quaternary Research and capacity-building collaborations with Mediterranean partners including institutions in Tunisia, Italy, and Spain.
Category:Research institutes in France