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Authors: Clementi, Emanuela* 
Pistoia, Jenny* 
Delrosso, Damiano* 
Mattia, Gelsomina* 
Fratianni, Claudia* 
Storto, Andrea* 
Ciliberti, Stefania Angela* 
Lemieux-Dudon, Benedicte* 
Fenu, Elisa* 
Simoncelli, Simona* 
Drudi, Massimiliano* 
Grandi, Alessandro* 
Padeletti, Davide* 
Di Pietro, Pierluigi* 
Pinardi, Nadia* 
Title: A 1/24° resolution Mediterranean physical analysis and forecasting system for the Copernicus Marine Environment Monitoring Service
Issue Date: 3-Oct-2017
Keywords: Mediterranean Sea
Numerical Model
Skill Assessment
Abstract: This study describes a new model implementation for the Mediterranean Sea that has been achieved in the framework of the Copernicus Marine Environment Monitoring Service (CMEMS). The numerical ocean prediction system, that operationally produces analyses and forecasts of the main physical parameters for the entire Mediterranean Sea and its Atlantic Ocean adjacent areas, has been upgraded by increasing the grid resolution from 1/16o to 1/24o in the horizontal and from 72 to 141 unevenly spaced vertical levels, by increasing the number of fresh water river inputs and by updating the data assimilation scheme. The model has a non-linear explicit free surface and it is forced by surface pressure, interactive heat, momentum and water fluxes at the airsea interface. The focus of this work is to present the new modelling system which will become operational in the near future and the validation assessment including the comparison with an independent non assimilated dataset (coastal moorings) and quasi-independent (in situ vertical profiles and satellite) datasets. The results show that the higher resolution model is capable of representing most of the variability of the general circulation in the Mediterranean Sea, however some improvements need to be implemented in order to enhance the model ability in reproducing specific hydrodynamic features particularly the Sea Level Anomaly.
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