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Quasi-optimal assimilation of satellite retrievals for incremental 4D-Var

Kaiser-Weiss, A. K. and Migliorini, G. (2011) Quasi-optimal assimilation of satellite retrievals for incremental 4D-Var. Computers & Fluids, 46 (1). pp. 287-292. ISSN 0045-7930

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To link to this item DOI: 10.1016/j.compfluid.2010.11.016


An interface between satellite retrievals and the incremental version of the four-dimensional variational assimilation scheme is developed, making full use of the information content of satellite measurements. In this paper, expressions for the function that calculates simulated observations from model states (called “observation operator”), together with its tangent linear version and adjoint, are derived. Results from our work can be used for implementing a quasi-optimal assimilation of satellite retrievals (e.g., of atmospheric trace gases) in operational meteorological centres.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > National Centre for Earth Observation (NCEO)
ID Code:17389
Uncontrolled Keywords:Data assimilation; Incremental 4D-Var; Satellite retrievals; Atmospheric trace gas columns

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