Modeling the tidal dynamics of the northern straits of the Kuril Ridge
https://doi.org/10.7868/S2073667321030023
Abstract
A boundary value problem is solved for the equations of motion, continuity, density constituents and turbulence characteristics in the 3D-domain of the northern Kuril Straits with boundary conditions determined by the solution of the global model. The boundary value problem is implemented by the finite volume method on an unstructured mesh in the hydrostatic approximation. Detailed tidal modelling of the Fourth Strait dynamics is performed in a non-hydrostatic approach. The results represent the velocity fields, residual circulation of the М2 tidal wave and the summary tide of eight harmonics M2, S2, N2, K2, K1, О1, P1, Q1 with a synodic period of 29.5 days. A comparison of the behaviour of the vertical velocity in the tidal cycle of the М2 wave for two subregions of the Fourth Strait when solving the boundary value problem in the Hs and the Nh approximation was performed. The Hoffmüller diagram of the dynamic characteristics in the synodic month is presented. It has been shown that taking into account the Nh approach, there is a significant change in the transfer of water masses through the Fourth Strait of the Kuril Ridge.
About the Authors
A. A. Rodionov
Shirshov Institute of Oceanology, RAS; St. Petersburg Research Center, RAS
Russian Federation
Russian Federation
117997, Nahimovsky Pr., 36, Moscow
199034, Universitetskaya Nab., 5, St. Petersburg
A. A. Androsov
Shirshov Institute of Oceanology, RAS; Alfred Wegener Institute Helmholtz Center for Polar and Marine Research
Russian Federation
Russian Federation
117997, Nahimovsky Pr., 36, Moscow
Am Handelshafen 12, 27570 Bremerhaven
V. V. Fofonova
Alfred Wegener Institute Helmholtz Center for Polar and Marine Research
Germany
Germany
Am Handelshafen 12, 27570 Bremerhaven
I. S. Kuznetsov
Alfred Wegener Institute Helmholtz Center for Polar and Marine Research
Germany
Germany
Am Handelshafen 12, 27570 Bremerhaven
N. E. Voltzinger
Shirshov Institute of Oceanology, RAS
Russian Federation
Russian Federation
117997, Nahimovsky Pr., 36, Moscow
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Review
For citations:
Rodionov A.A., Androsov A.A., Fofonova V.V., Kuznetsov I.S., Voltzinger N.E. Modeling the tidal dynamics of the northern straits of the Kuril Ridge. Fundamental and Applied Hydrophysics. 2021;14(3):20-34. (In Russ.) https://doi.org/10.7868/S2073667321030023
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