Geodesic
The influence of the time step size on results of numerical modeling of the global ocean climate
Sibirskij žurnal vyčislitelʹnoj matematiki, Tome 14 (2011) no. 2, pp. 215-230.

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In this paper, based on the numerical large-scale geostrophic ocean thermohaline circulation model, the influence of a numerical time step for modeling the large-scale temperature and salinity fields with the use of an implicit time integration method is investigated. It is shown that for a more adequate description of processes of a deep vertical convection and modeling a more realistic ocean thermohaline circulation, it is necessary to apply time steps no more than 10 days. At such time steps, the influence of numerical viscosity (diffusion) is insignificant. 
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A. V. Scherbakov; V. V. Malakhova. The influence of the time step size on results of numerical modeling of the global ocean climate. Sibirskij žurnal vyčislitelʹnoj matematiki, Tome 14 (2011) no. 2, pp. 215-230. http://geodesic.mathdoc.fr/item/SJVM_2011_14_2_a7/

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