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Ocean Science An interactive open-access journal of the European Geosciences Union

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© Author(s) 2006. This work is licensed under the
Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
08 Aug 2006
Review status
A revision of this discussion paper for further review has not been submitted.
Nesting operational forecasting models in the Eastern Mediterranean: active and slave mode
S.S. Sofianos1,*, N. Skliris1, A. Mantziafou1, A. Lascaratos1, G. Zodiatis2, R. Lardner2, D. Hayes2, and G. Georgiou2 1Ocean Physics and Modelling Group, University of Athens, Greece, University Campus, BUILD PHYS-5, Athens 15784, Greece
2Oceanography Center, Department of Mathematics and Statistics University of Cyprus P.O. Box 20537, CY 1678 Nicosia, Cyprus
*now at: University Campus, BUILD PHYS-5, Athens 15 784, Greece
Abstract. Modern ocean operational systems involve different groups and tools, in different regions and scales. Blending all these in a unique system with reliable forecasting capabilities is an important task. The efficiency of nesting procedures between different scale and resolution models are crucial in determining whether the dynamics at the different scales are well represented at each level or the nesting technique suppresses the dynamical features emerging from individual modelling components. In the present work, we investigate the role of the initialization of telescopically nested and with double horizontal resolution forecasting systems in the Eastern Mediterranean, comparing the results between weekly initialized experiments ("slave'' mode) and "free'' runs ("active'' mode) at the regional (Aegean-Levantine area) and shelf (Cyprus) scale. It is found that, although the main circulation pattern remains similar, the differences in the domain mean kinetic energy between the "slave'' and the "active'' experiments in the Aegean-Levantine region are large in both September 2004 and January 2005, with the "active'' being much more energetic, while in the Cyprus area differences are significantly smaller. The most pronounced differences in the circulation and sea surface temperature and salinity fields are observed in the Aegean Sea, during September 2004, related to the inflow and spreading of the Black Sea Water, and the Rhodes Gyre, during January 2005, related to small-scale eddy activity developed and surviving in the "active'' mode experiment that decreases the area of the gyre.

Citation: Sofianos, S. S., Skliris, N., Mantziafou, A., Lascaratos, A., Zodiatis, G., Lardner, R., Hayes, D., and Georgiou, G.: Nesting operational forecasting models in the Eastern Mediterranean: active and slave mode, Ocean Sci. Discuss., 3, 1225-1254, doi:10.5194/osd-3-1225-2006, 2006.
S.S. Sofianos et al.
Interactive discussionStatus: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
RC S318: 'My Opening Discussion Comments', Xiao Hua Wang, 15 Aug 2006 Printer-friendly Version 
AC S543: 'Response on referee comment', SARANTIS SOFIANOS, 05 Oct 2006 Printer-friendly Version 
SC S330: 'Comments on slave/active mode', Gerasimos Korres, 21 Aug 2006 Printer-friendly Version 
AC S672: 'Response', SARANTIS SOFIANOS, 08 Nov 2006 Printer-friendly Version 
S.S. Sofianos et al.
S.S. Sofianos et al.


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