Recent developments in applied mathematics and mechanics: theory, experiment and practice. Devoted to the 80th anniversary of academician N.N.Yanenko

Akademgorodok, Novosibirsk, Russia, June 24 - 29, 2001

Abstracts

Novosibirsk participants

Modelling the ocean response to the warming and cooling surface water.

Scherbakov A.V., Malakhova V.V.

ICM&MG SB RAS (Novosibirsk)

The three-dimensional large scale geostrophic model of climate of World ocean with realistic topography is presented. The numerical method is based on using the implicit schemes. The equations of heat and salt transport on a horizontal coordinates are approximated by the nine-dot difference scheme, received by the Richardson extrapolation. The second up-wind scheme is used in the vertical coordinate. The series of numerical experiments was carried out till steady states for 12, 24, 36 and 72 vertical levels. A global distribution of temperature and salinity fields is in agreement with observations. The influence of the vertical resolution to average temperature of the ocean is analyzed. The experiment on response of the model on variation surface temperature of ocean was carried out: at first warming on 1.5 grades in current 50 years, and then cooling on 1.5 grades. It has appeared, that ocean more strongly and longer reacts on cooling, than on warming. This work was supported by the Integrations grants SB RAS N 76.

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Note. Abstracts are published in author's edition

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