Numerical study of the global ocean equilibrium circulation

Verfasser / Beitragende:
[G. I. Marchuk, J. Schröter, V. B. Zalesny]
Ort, Verlag, Jahr:
2003
Enthalten in:
Russian Journal of Numerical Analysis and Mathematical Modelling, 18/4(2003-08-01), 307-335
Format:
Artikel (online)
ID: 378879456
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024 7 0 |a 10.1515/156939803769210975  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1515/156939803769210975 
245 0 0 |a Numerical study of the global ocean equilibrium circulation  |h [Elektronische Daten]  |c [G. I. Marchuk, J. Schröter, V. B. Zalesny] 
520 3 |a A new version of the global ocean general circulation model with σ -coordinates is presented. The modelled area approximates the whole World ocean basin from the coast of Antarctica to the North Pole. The model is designed for very long integration periods. Accordingly the numerical techniques applied are very efficient, using implicit timestepping and operator splitting methods. The model is driven at the surface by wind-stress and by restoring temperature and salinity to the observed annual cycle. The cyclo-stationary solution of the model is shown to depend on the initial conditions even after many thousand years of integration. Four different solutions are briefly reported in this paper. The existence of multiple equilibria has been reported previously only under mixed boundary conditions. The key mechanismof the multiple equilibria is nonlinear deep convection processes. Numerical experiments show that global mean values of temperature and salinity are rather important parameters affecting the quasi-equilibrium state. 
540 |a Copyright 2003, Walter de Gruyter 
700 1 |a Marchuk  |D G. I.  |u Institute of Numerical Mathematics of the Russian Academy of Sciences, Moscow GSP-1, 119991, Russia  |4 aut 
700 1 |a Schröter  |D J.  |u Alfred-Wegener-Institute, Bremerhaven, Germany  |4 aut 
700 1 |a Zalesny  |D V. B.  |u Institute of Numerical Mathematics of the Russian Academy of Sciences, Moscow GSP-1, 119991, Russia  |4 aut 
773 0 |t Russian Journal of Numerical Analysis and Mathematical Modelling  |d Walter de Gruyter  |g 18/4(2003-08-01), 307-335  |x 0927-6467  |q 18:4<307  |1 2003  |2 18  |o rnam 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Marchuk  |D G. I.  |u Institute of Numerical Mathematics of the Russian Academy of Sciences, Moscow GSP-1, 119991, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Schröter  |D J.  |u Alfred-Wegener-Institute, Bremerhaven, Germany  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zalesny  |D V. B.  |u Institute of Numerical Mathematics of the Russian Academy of Sciences, Moscow GSP-1, 119991, Russia  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Russian Journal of Numerical Analysis and Mathematical Modelling  |d Walter de Gruyter  |g 18/4(2003-08-01), 307-335  |x 0927-6467  |q 18:4<307  |1 2003  |2 18  |o rnam 
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