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The purpose of work package 7 in MFSTEP is to take care of the Research and Development (R&D) tasks concerning estimation tools in the project, at basin-scale and regional scale. The estimation tools developed here will be either used in MFSTEP, or demonstrated in such a way as to prove their interest in The Program beyond the current project.
WP7 Objectives
- Develop methods to initialize a model from a coarser-grid solution and methods to assimilate observations in the regional/ coastal domain
- Improve data assimilation tools at the basin scale, in a consistent way with WP 8, and using the teachings of the previous MFSPP project
- Develop completely new data assimilation tools at the regional scale, in the perspective of operational use in a phase following the present project
- Demonstrate the interest of assimilating local observations in addition to initialization and boundary forcing, and building of a new capacity to test the impact of local observations, including tide gauges, local cruises, ADCP, etc.
- Demonstration of advanced estimation approaches concerning the open boundary conditions (ensemble forecasts, two-way nesting, four-dimensional variational analysis)
- Investigate the main error processes in regional models, in both the low- and the high-frequency ranges, their spatial structure, how they affect predictability, and how they can be corrected for.
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