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Sub-inertial Modulation of Nonlinear Kelvin Waves in the Coastal Zone : Volume 20, Issue 3 (07/06/2013)

By Stepanov, D. V.

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Book Id: WPLBN0003989157
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: Sub-inertial Modulation of Nonlinear Kelvin Waves in the Coastal Zone : Volume 20, Issue 3 (07/06/2013)  
Author: Stepanov, D. V.
Volume: Vol. 20, Issue 3
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Stepanov, D. V., & Novotryasov, V. V. (2013). Sub-inertial Modulation of Nonlinear Kelvin Waves in the Coastal Zone : Volume 20, Issue 3 (07/06/2013). Retrieved from http://hawaiilibrary.net/


Description
Description: V. I. Ilichev Pacific Oceanological Institute, Vladivostok, Russia. Observational evidence is presented for interaction between nonlinear internal Kelvin waves at the Ωt,i (where the Ωt is the semidiurnal frequency and the Ωi is the inertial frequency) and random oscillations of the background coastal current at the sub-inertial Ω frequency in the Japan/East Sea. Enhanced coastal currents at the sum Ω+ and difference ω-frequencies Ω±t,i ± Ω have properties of propagating Kelvin waves, which suggests permanent energy exchange from the sub-inertial band to the mesoscale Ω± band. This interaction may be responsible for a greater-than-predicted intensification, steepening and breaking of boundary-trapped Kelvin waves. The problem of interaction between the nonlinear Kelvin wave at the frequency Ω and the low-frequency narrowband noise with representative frequency Ω≪Ω is investigated using the theory of nonlinear weak dispersion waves.

Summary
Sub-inertial modulation of nonlinear Kelvin waves in the coastal zone

Excerpt
Emery, W. J. and Thomson, R. E.: Data Analysis Methods in Physical Oceanography, Pergamon Press, New York, 1997.; Filonov, A. and Novotryasov, V.: Features of the nonlinear wave spectrum in the coastal zone. Geophiys. Res. Lett., 32, L15602, doi:10.1029/2005GL023046, 2005.; Filonov, A. and Novotryasov, V.: On a spectrum of nonlinear internal waves in the oceanic coastal zone, Nonlin. Processes Geophys., 14, 757–762, doi:10.5194/npg-14-757-2007, 2007.; Müller, P., Holloway, G., Henyey, F., and Pomphrey, N.: Nonlinear interactions among internal gravity waves, Rev. Geophys., 24, 493–596, 1986.; Gurbatov, S. N., Malakhov, A. N., and Saichev, A. I.: Nonlinear random waves and turbulence in nondispersive media: waves, rays and particles, Manchester University Press, Manchester, 304 pp., 1991.; Navrotsky, V. V., Lozovatsky, I. D., Pavlova, E. P., and Fernando, H. J. S.: Observations of internal waves and thermocline splitting near a shelf break of the Sea of Japan (East Sea), Cont. Shelf Res., 24, 1375–1395, 2004.; Novotryasov, V. V., Vanin, N. S., and Karnaukhov, A. A.: Manifestation of nonlinear properties of Kelvin internal waves in the coastal zone of the sea of Japan, Izv. Atmos. Ocean. Physics, 41, 611–619, 2005.; Novotryasov, V. V., Filonov, A., and Lavin, M. F.: Nonlinear internal tidal waves in a semi-enclosed sea (Gulf of California), Geophys. Res. Let., 38, L24611, doi:10.1029/2011GL049886, 2011.; Osborne, A. R.: The inverse scattering transform: Tools for the nonlinear fourier analysis and filtering of ocean surface waves, Chaos, Solit. Fract., 5, 2623–2637, 1995.; Ostrovsky, L. A.: Nonlinear internal waves in a rotating ocean, Oceanology, 18, 119–125, 1978.; Reznik, G. M. and Grimshow, R.: Nonlinear geostrophic adjustment in the presence of a boundary, J. Fluid Mech., 471, 257–283, 2002.; White, W. B.: Doppler shift in the frequency of inertial waves observed in moored spectra, Deep-Sea Res., 19, 595–600, 1972.; Whitham, G. B.: Linear and Nonlinear Waves, John Wiley, New York, 1974.

 

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