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The Institut Pierre-Simon Laplace (IPSL) is a federation of research laboratories devoted to study the climate system and the global environment. Since 1995, the IPSL Climate Modelling Centre (IPSL-CMC) develops and uses climate models in order to improve our understanding and knowledge of the climate system, its current characteristics and its past and future changes.

Many aspects of the climate system are studied at IPSL and IPSL-CMC is one of the few climate modelling centres worldwide that develop most aspects of its Earth System Model (ESM). Such a model represent the different components of the climate system and their interactions. The IPSL Earth System Model comprises of the LMDz model for the atmosphere, the INCA and REPROBUS models for atmospheric composition, the NEMO model for the ocean, including ocean dynamics (NEMO-OCE), sea-ice (NEMO-LIM) and ocean biogeochemistry (NEMO-PISCES), and the ORCHIDEE model for terrestrial surfaces. The IPSL climate model uses the OASIS coupler and the powerful XIOS input/output server. A new dynamical core for the atmosphere, known as DYNAMICO, is now coupled to the atmospheric physics and forms our next generation model.


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TRACCS, winner of the second wave of the Priority Programs and Equipment for Exploratory Research (PEPR) call for projects

The TRACCS (TRAnsforming Climate Modelling for Climate Services) programme has secured a funding of 51 M€ for the next 8 years from France 2030. It aims to transform climate modelling to meet current challenges and societal expectations by improving knowledge and tools concerning climate impacts and risks, and contributing to the development of climate services. […]

IPSL hosts the GA of the ESM2025 project

IPSL hosted the first General Assembly of the ESM2025 project on June 7-9, 2022. Thank you all for a very successul and interesting meeting!

2022 CLIMERI days

The presentations of the 2022 CLIMERI days are now available online on the CLIMERI-France web site. Thank you all for your participation!