The Joint Effort for Data assimilation Integration (JEDI): Status and Updates

The long term objective of the Joint Effort for Data assimilation Integration (JEDI) is to provide a unified data assimilation framework for research and operational use, for all components of the Earth system, and for different applications. The objectives are of reducing or avoiding redundant work between government agencies and within the community, and increasing efficiency of research and of the transition from development teams to operations. It is planned for operational implementation by the JCSDA partner agencies in the coming years.

In this project, the concepts of models is clearly separated from the observation handling with clear interfaces. The data assimilation algorithms are themselves separated from the model space and observation space components. With this separation of concerns, it is easier for specialists of each area to contribute without unexpected consequences in other parts of the system, and to work in parallel on each component. As the system is maturing, applications are being put in place to start validation in realistic configurations. In this talk, an overview of the system and the current status of the implementation and testing of the various data assimilation components and for various models will be presented.