An historical analysis of the California Current circulation using ROMS 4D-Var: System configuration and diagnostics

• Published in: Ocean modelling (Oxford) Vol. 99; pp. 133 - 151
• Main Authors: Neveu, Emilie, Moore, Andrew M., Edwards, Christopher A., Fiechter, Jérôme, Drake, Patrick, Crawford, William J., Jacox, Michael G., Nuss, Emma
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.03.2016
• Subjects: 4D-Var; Atmospherics; California Current; Circulation; Cost function; Data assimilation; Historic; Marine; Oceans; Sequences; Weather forecasting; INE, Pacific, California Current; California Current; 4D-Var; Data assimilation

•Two overlapping sequences of California Current circulation estimates were computed.•All available ocean observations were assimilated into ROMS using 4D-Var.•Data assimilation substantially alters the circulation.•A quantitative assessment of the efficacy of the data assimilation system was perfor...