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Authors: Masina, S.* 
Di Pietro, P.* 
Storto, A.* 
Dobricic, S.* 
Alessandri, A.* 
Cherchi, A.* 
Title: Re-analyses in the Global Ocean at CMCC-INGV: Examp les and Applications
Journal: Mercator Ocean Quarterly Newsletter 
Series/Report no.: /36 (2010)
Issue Date: Jan-2010
Keywords: Global ocean–sea-ice modelling
climate variability
climate predictability
subsurface ocean initialization
Subject Classification03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis 
Abstract: Global ocean modelling activities at Centro Euro-Me diterraneo per i Cambiamenti Climatici (CMCC) include the development and implementation of data assimilation techniques appl ied to a global ocean general circulation model to investigate the role of the ocean on climate variability and predictability. T he main objective is the production of global ocean re-analyses over multidecadal periods to reconstruct the state of the ocean and t he large scale circulation over the recent past for climate applications and for the assessment of the benefits of assimilating ocea n observations on seasonal and longer climate predi ctability. Here we present the main characteristics of the ass imilation system and a set of global ocean re-analy ses produced with this system. Applications of these data assimilation pro ducts to the study of climate variability and to th e assessment of subsurface ocean initialization contribution to seasonal clima te predictability will also be reported.
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