Abstract
In the paper we describe the numerical model of large-scale hydro- and thermal dynamics of the White sea. The model is the model of the Polar ocean by prof. N.G. Iakovlev adapted for the shallow and small White sea. Based on the primitive equations and the finite elements, this model includes mature and effective ice sea model. We show that the numerical simulation agree well with the generally accepted three-dimensional large-scale circulation of the sea, including thermohaline fields, currents, ice drift and thickness distribution. Numerical experiments show that influence of atmospheric forcing perturbations on the dynamics of the sea is not drastic. Changes in air temperature to a few degrees lead to similar changes of the water temperature and only slightly change the distributions of the fields. Complete, no, and altering (no clouds at summer, total cover at winter) cloud cover also changes the main patterns only slightly. This also proves that the model is stable with respect to atmospheric forcing.
Highlights
IntroductionIt is important for Russia [1], partly because it is completely inside russian borders, because of numerous economical, ecological, oceanological etc problems and questions
The White sea is interesting oceanological object from a few points of view
Nonlinear interaction of dynamical processes is important for the White sea ([3, 7]); this makes complex hydrodynamical models of high resolution necessary, and demands efficient algorithms and computers
Summary
It is important for Russia [1], partly because it is completely inside russian borders, because of numerous economical, ecological, oceanological etc problems and questions. It is the part of the Arctic ocean. Nonlinear interaction of dynamical processes is important for the White sea ([3, 7]); this makes complex hydrodynamical models of high resolution necessary, and demands efficient algorithms and computers. The aim of this article is application of large-scale model of thermal and hydrodynamics of the Arctic ocean, developed in the Institute of Numerical Mathematics by prof.
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