C-GLORS Eddy-permitting reanalyses

CHOR Historical reanalyses






Created on 6th June 2014

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    NEMO Ocean Model



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The CMCC Global Ocean Physical Reanalysis System (C-GLORS) is used at CMCC to simulate the state of the ocean in the last decades. It consists of a variational data assimilation system (OceanVar), capable of assimilating all in-situ observations along with altimetry data, and a forecast step performed by the ocean model NEMO coupled with the LIM2 sea-ice model.
There are two versions of C-GLORS currently released (v4 and v5) that are run at eddy permitting resolution (about 1/4 degree of horizontal resolution) and covering the meteorological satellite era, plus historical reanalyses performed at 1/2 degree of resolution, covering the entire XX century and referred to as CHOR (CMCC Historical Ocean Reanalysis).

Picture representing the Seasonal Ocean Heat Content Anomaly Evolution (1980-2015),
with seasonal cycle removed, as simulated by C-GLORSv5


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