This document describes the NEMO-OPA (Nucleus for European Modelling of the Ocean, Océan Parallélisé) Ocean General Circulation Model (OGCM) in the configuration ORCA-R025 implemented at CMCC. In the first part it gives a description of the most important technical aspects of the model, the physical parameterization adopted and the forcing used.
In the second part, the results of the benchmarks on the vector and scalar systems of the CMCC Computer Center are presented and compared.

• Institute for Earth System Predictions

• Ocean modeling and Data Assimilation

Authors

• Giuseppe Grieco
• Simona Masina