Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Polzin, Kurt L"'
Autor:
Dematteis, Giovanni, Boyer, Arnaud Le, Pollmann, Friederike, Polzin, Kurt L., Alford, Matthew H., Whalen, Caitlin B., Lvov, Yuri V.
Across the stable density stratification of the abyssal ocean, deep dense water is slowly propelled upward by sustained, though irregular, turbulent mixing. The resulting mean upwelling determines large-scale oceanic circulation properties like heat
Externí odkaz:
http://arxiv.org/abs/2310.19980
Autor:
Polzin, Kurt L, Lvov, Yuri V
High-frequency wave propagation in near-inertial wave shear has been considered fundamental in setting the spectral character of the oceanic internal wave continuum and for transporting energy to wave-breaking. We compare idealized ray tracing numeri
Externí odkaz:
http://arxiv.org/abs/2204.00069
Autor:
Lvov, Yuri V, Polzin, Kurt L
Internal waves in the ocean interact in triads. Early work emphasized the importance of extreme-scale separated interactions in which two large wavenumber waves interact with one small wavenumber wave. More recent efforts have called this early parad
Externí odkaz:
http://arxiv.org/abs/2203.03784
We provide a first-principles analysis of the energy fluxes in the oceanic internal wavefield. The resulting formula is remarkably similar to the renowned phenomenological formula for the turbulent dissipation rate in the ocean which is known as the
Externí odkaz:
http://arxiv.org/abs/2106.02572
Akademický článek
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Autor:
Garabato, Alberto C. Naveira, Frajka-Williams, Eleanor E., Spingys, Carl P., Legg, Sonya, Polzin, Kurt L., Forryan, Alexander, Abrahamsen, E. Povl, Buckingham, Christian E., Griffies, Stephen M., McPhail, Stephen D., Nicholls, Keith W., Thomas, Leif N., Meredith, Michael P.
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2019 Jul 01. 116(27), 13233-13238.
Externí odkaz:
https://www.jstor.org/stable/26744175
Autor:
Polzin, Kurt L., Lvov, Yuri V.
Publikováno v:
Reviews of Geophysics, 49, RG4003 (2011)
Many major oceanographic internal wave observational programs of the last 4 decades are reanalyzed in order to characterize variability of the deep ocean internal wavefield. The observations are discussed in the context of the universal spectral mode
Externí odkaz:
http://arxiv.org/abs/1007.2113
Publikováno v:
Journal of Physical Oceanography, 669-691, 42, (2012)
We report evaluations of a resonant kinetic equation that suggest the slow time evolution of the Garrett and Munk spectrum is {\em not}, in fact, slow. Instead nonlinear transfers lead to evolution time scales that are smaller than one wave period at
Externí odkaz:
http://arxiv.org/abs/0706.3712
Steady scale-invariant solutions of a kinetic equation describing the statistics of oceanic internal gravity waves based on wave turbulence theory are investigated. It is shown in the non-rotating scale-invariant limit that the collision integral in
Externí odkaz:
http://arxiv.org/abs/math-ph/0505050
Publikováno v:
Physical Review Letters, 92, 128501 (2004)
The high-frequency limit of the Garrett and Munk spectrum of internal waves in the ocean and the observed deviations from it are shown to form a pattern consistent with the predictions of wave turbulence theory. In particular, the high frequency limi
Externí odkaz:
http://arxiv.org/abs/math-ph/0307020