Laboratoire d'océanographie et du climat

Laboratoire d'océanographie et du climat
Name	Laboratoire d'océanographie et du climat
Established	2009
Type	Joint research unit
Parent	Sorbonne University, CNRS, IRD, MNHN
City	Paris
Country	France

Laboratoire d'océanographie et du climat. It is a major French research unit dedicated to the study of ocean-climate interactions and global biogeochemical cycles. The laboratory was formed through the merger of several preeminent Parisian research teams to create a centralized hub for climate system science. Its work is fundamental to international assessments like those of the Intergovernmental Panel on Climate Change and informs global environmental policy.

History and formation

The laboratory was officially created in 2009, consolidating the oceanographic and climate science expertise of several historic entities. Its formation integrated the former Laboratoire d'océanographie dynamique et de climatologie (LOCEAN) and teams from the Laboratoire de physique des océans, alongside researchers from the Muséum national d'Histoire naturelle. This merger was driven by the scientific strategy of parent organizations like the Centre national de la recherche scientifique and the need to address complex questions in Earth system science. The consolidation aimed to strengthen France's role in global climate research, building on legacies from pioneering expeditions and the development of early climate models.

Research themes and scientific objectives

Core research investigates the ocean's role in the climate system, focusing on physical, biogeochemical, and ecological processes. Key themes include understanding ocean circulation, sea ice dynamics, and the carbon cycle through initiatives like the international Surface Ocean CO₂ Atlas. Scientists study ocean acidification, marine ecosystems, and paleoclimatology using data from sediment cores and coral records. A primary objective is to improve the representation of oceanic processes in major climate models, such as those developed for the Coupled Model Intercomparison Project. Research also spans satellite oceanography and the analysis of large-scale climate modes like the Atlantic Multidecadal Oscillation.

Organizational structure and key facilities

The laboratory operates as a joint research unit under the primary supervision of Sorbonne University, the CNRS, the Institut de recherche pour le développement (IRD), and the Muséum national d'Histoire naturelle. It is structurally organized into research teams focusing on specific themes like modeling, remote sensing, and biogeochemistry. Key computational facilities support high-resolution modeling efforts, often utilizing national resources like those at GENCI. The lab manages significant instrumental resources, including access to the French oceanographic fleet operated by IFREMER and a variety of autonomous platforms like Argo floats. Its main premises are located at the Campus Pierre et Marie Curie in Paris.

Major projects and contributions

Researchers have played leading roles in major international programs such as the World Climate Research Programme's CLIVAR and IMBER projects. The laboratory contributes essential data and analysis to the Global Ocean Observing System and the Integrated Carbon Observation System. Its climate model developments are integral to French contributions to the Intergovernmental Panel on Climate Change assessment reports. Scientists have led expeditions in critical regions from the Southern Ocean to the Arctic, contributing to understanding phenomena like Antarctic bottom water formation. The lab also coordinates French participation in the OceanSITES network of fixed ocean observatories.

Partnerships and collaborations

The laboratory maintains extensive national partnerships with institutions like IFREMER, Météo-France, and the Commissariat à l'énergie atomique et aux énergies alternatives. It is a key node in the Institut Pierre-Simon Laplace, a federation of climate and environmental laboratories. Internationally, it collaborates with agencies including NASA, the National Oceanic and Atmospheric Administration, and the European Space Agency. It is deeply involved in European Union frameworks like Horizon Europe and collaborates with universities worldwide, from the University of California, San Diego to the University of Tokyo. Partnerships also extend to international bodies like the International Ocean Discovery Program.

Notable scientists and alumni

The laboratory has been associated with many distinguished researchers in ocean and climate sciences. Among them is Anny Cazenave, a leading figure in satellite altimetry and sea level rise studies who has received honors like the William Bowie Medal. Noted physical oceanographer Sabrina Speich has made significant contributions to understanding Southern Ocean dynamics. The lab's heritage includes pioneers like Claude Frankignoul, known for his work on climate variability. Alumni hold prominent positions at institutions such as the Woods Hole Oceanographic Institution, the University of Oxford, and the Max Planck Institute for Meteorology, influencing global climate research agendas.

Category:Oceanographic organizations Category:Climate research organizations Category:Research institutes in Paris Category:CNRS laboratories