Numerical analysis of the mesoscale features of circulation in the Black Sea coastal zone

被引：19
|
作者：
Demyshev, S. G. [1 ]
Dymova, O. A. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Marine Hydrophys, UA-99011 Sevastopol, Ukraine
来源：
IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS | 2013年 / 49卷 / 06期
关键词：
Black Sea; meso- and submesoscale variations; energy analysis; EDDIES; MODEL;
D O I：
10.1134/S0001433813060030
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The results of simulating the hydrophysical fields of the Black Sea with a resolution of 1.64 x 1.64 km for January-September 2006 with the use of real atmospheric forcing are analyzed. Both vertical turbulent momentum exchange and vertical turbulent heat and salt diffusions are parameterized using the Mellor-Yamada level 2.5 scheme. The results of this numerical experiment are compared with similar data obtained with a horizontal resolution of 5 km. The features of the meso- and submesoscale dynamics of waters in individual sea regions are given. Possible physical mechanisms of forming meso- and submesoscale vortices are studied on the basis of energy analysis. It is shown that, in the absence of significant wind forcing, the main contribution to kinetic energy is made by the buoyancy force and wind-field inhomogeneities result in significant variations in both total vertical viscosity and total vertical diffusion.
引用
收藏
页码：603 / 610
页数：8
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