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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2016, Vol. 13, No. 2, pp. 25-33

Fluxes convergence in gradient vorticity waves field in the Japan/East Sea Tsushima/Ulleung Basin

A.E. Zvereva 1 , V.R. Foux 2 
1 N.N. Zubov State Oceanographic Institute, Saint Petersburg, Russia
2 Saint Petersburg State University, Saint Petersburg, Russia

Accepted: 02.02.2016
DOI: 10.21046/2070-7401-2016-13-2-25-33 

In order to explain spatiotemporal variability of oceanographic fields in abyssal basins of closed seas we previously proposed the phenomenological model of so-called ‘basin’ waves that are, basically, the standing-progressive topographic planetary waves (Volkov et al. 2013; Zvereva, Foux, 2014). This kind of waves can be detected in the sea-level fields, specifically in zones of convergence and divergence of currents, which are the high productivity zones as well. The new approach explains such observed oceanic phenomena as abrupt phase shift in sea-level oscillations, cell structure and apparent nodal points in the middle of these cells. To describe the kinematics of the proposed wave motion and assess sea level spatial variation and speed of sea level change (negative divergence), test model calculations were conducted. The equation for full fluxes of the momentum and water properties (temperature, salinity, buoyancy, chlorophyll-a concentration etc.) was derived.
Keywords: Rossby waves, kinematics, altimetry, static-progressive waves, Sea of Japan / East Sea, Ulleung/Tsushima Basin
Full text

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