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Introduction 2. Function fitting 3. The method of successive corrections 4. Statistical interpolation - univariate 5. Statistical interpolation - multivariate 6. The initialisation problem 7. Quasi-geostrophic constraints 8. Variational procedures 9. Normal mode initialisation - theory 10. Normal mode initialisation - applications 11. Dynamic initialisation 12. Continuous data assimilation 13. Future directions Appendixes.
A Sun, study studied this question.