DYNAMICS OF INTERNAL GRAVITY WAVES IN THE OCEAN WITH SHEAR FLOWS
Аннотация и ключевые слова
Аннотация (русский):
The problem of the harmonic internal gravity wave dynamics in a stratified ocean of finite depth with shear flows is solved. Stratification with constant distribution of the buoyancy frequency and various linear dependences of the shear flow on depth were used for the analytical solution of the problem. Dispersion dependences were obtained, which are expressed through a modified Bessel function of an imaginary index. The Debye asymptotics of the modified Bessel function of the imaginary index were used to construct analytical solutions under the Miles stability condition and large Richardson numbers. The asymptotic properties of the dispersion equation are studied. The main analytical properties of dispersion curves are investigated. The results of numerical calculations of the fields of phase structures of the generated internal gravity waves for various models of wave generation are presented.

Ключевые слова:
Internal gravity waves, stratified ocean, shear flows, asymptotics, modified Bessel function, dispersion relations
Список литературы

1. Bulatov, V. V., Yu. V. Vladimirov (2012) , Wave Dynamics of Stratified Mediums, 584 pp., Nauka, Moscow

2. Bulatov, V. V., Yu. V. Vladimirov (2018) , Far fields of internal gravity waves from a nonstationary source, Oceanology, 58, no. 6, p. 796-801, https://doi.org/10.1134/S0001437018060036

3. Bulatov, V. V., Yu. V. Vladimirov (2019) , A General Approach to Ocean Wave Dynamics Research: Modelling, Asymptotics, Measurements, 587 pp., Onto Print Publishers, Moscow

4. Bulatov, V. V., Yu. V. Vladimirov, I. Yu. Vladimirov (2019) , Far fields of internal gravity waves from a source moving in the ocean with an arbitrary buoyancy frequency distribution, Russian J. Earth Sciences, 19, p. ES5003, https://doi.org/10.2205/2019ES000667

5. Fabrikant, A. L., Yu. A. Stepanyants (1998) , Propagation of Waves in Shear Flows, 304 pp., World Scientific Publishing, London, https://doi.org/10.1142/2557

6. Fraternale, F., L. Domenicale, G. Staffilan, et al. (2018) , Internal waves in sheared flows: lower bound of the vorticity growth and propagation discontinuities in the parameter space, Phys. Review, 97, no. 6, p. 063102, https://doi.org/10.1103/PhysRevE.97.063102

7. Frey, D. I., A. N. Novigatsky, M. D. Kravchishina, et al. (2017) , Water structure and currents in the Bear Island Trough in July-August 2017, Russian J. Earth Sciences, 17, p. ES3003, https://doi.org/10.2205/2017ES000602

8. Furuichi, N., T. Hibiya, Y. Niwa (2008) , Model predicted distribution of wind-induced internal wave energy in the world's oceans, J. Geophys. Research: Oceans, 113, p. C09034, https://doi.org/10.1029/2008JC004768

9. Gavrileva, A. A., Yu. G. Gubarev, M. P. Lebedev (2019) , The Miles theorem and the first boundary value problem for the Taylor-Goldstein equation, J. Applied and Industrial Mathematics, 13, no. 3, p. 460-471, https://doi.org/10.1134/S1990478919030074

10. Massel, S. R. (2015) , Internal Gravity Waves in the Shallow Seas, 163 pp., Springer, Berlin, https://doi.org/10.1007/978-3-319-18908-6_7

11. Mei, C. C., M. Stiassnie, D. K.-P. Yue (2017) , Theory and Applications of Ocean Surface Waves. Advanced series of ocean engineering, V. 42, 1500 pp., World Scientific Publishing, London, https://doi.org/10.1142/10212

12. Miles, J. W. (1961) , On the stability of heterogeneous shear flow, J. Fluid Mechanics, 10, no. 4, p. 495-509, https://doi.org/10.1017/S0022112061000305

13. Miropolsky, Y. Z. (2001) , Dynamics of Internal Gravity Waves in the Ocean, Shishkina O. (ed.), 406 pp., Springer, Berlin, https://doi.org/10.1007/978-94-017-1325-2

14. Morozov, E. G. (2018) , Oceanic Internal Tides. Observations, Analysis and Modeling: A Global View, 366 pp., Springer, Dordrecht, https://doi.org/10.1007/978-3-319-73159-9

15. Morozov, E. G., G. Parrilla-Barrera, M. G. Velarde, et al. (2003) , The Straits of Gibraltar and Kara Gates: A comparison of internal tides, Oceanologica Acta, 26, no. 3, p. 231-241, https://doi.org/10.1016/S0399-1784(03)00023-9

16. Morozov, E. G., V. T. Paka, V. V. Bakhanov (2008) , Strong internal tides in the Kara Gates Strait, Geoph. Research Letters, 35, p. L16603, https://doi.org/10.1029/2008GL033804

17. Morozov, E. G., I. E. Kozlov, S. A. Shchuka, et al. (2017) , Internal tide in the Kara Gates Strait, Oceanology, 57, p. 8-18, https://doi.org/10.1134/S0001437017010106

18. Pedlosky, J. (2010) , Waves in the Ocean and Atmosphere: Introduction to Wave Dynamics, 260 pp., Springer, Berlin

19. Svirkunov, P. N., M. V. Kalashnik (2014) , Phase patterns of dispersive waves from moving localized sources, Phys.-Usp., 57, no. 1, p. 80-91, https://doi.org/10.3367/UFNe.0184.201401d.0089

20. Sutherland, B. R. (2010) , Internal Gravity Waves, 394 pp., Cambridge University Press, Cambridge, https://doi.org/10.1017/CBO9780511780318

21. Velarde, M. G., R. Yu. Tarakanov, A. V. Marchenko (2018) , The Ocean in Motion, 625 pp., Springer Oceanography, Springer International Publishing AG, Berlin, https://doi.org/10.1007/978-3-319-71934-4

22. Voelker, G. S., P. G. Myers, et al. (2019) , Generation of oceanic internal gravity waves by a cyclonic surface stress disturbance, Dyn. Atmosphere Oceans, 86, p. 116-133, https://doi.org/10.1016/j.dynatmoce.2019.03.005

23. Watson, G. N. (1995) , A Treatise on the Theory of Bessel Functions, 804 pp., Cambridge University Press, Cambridge

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