Journal
DYNAMICS OF ATMOSPHERES AND OCEANS
Volume 48, Issue 1-3, Pages 69-92Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.dynatmoce.2009.03.001
Keywords
In situ/surface data assimilation; 4DVAR; California Current System; ROMS; Hindcasts/analysis
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The Incremental Strong constraint 4D-Variational (IS4DVAR) data assimilation system of the Regional Ocean Model System (ROMS) is used to study the controllability of a realistic, high resolution configuration of the California Current System. The configuration and results of assimilating both satellite-derived surface observations along with in situ data are presented. Results show consequent improvements in many characteristics of the model circulation, and some of the strengths of the adjoint method for data assimilation are highlighted. General issues of the sensitivity of the results to the configuration of ROMS-IS4DVAR are also discussed. (C) 2009 Elsevier B.V. All rights reserved.
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