ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2013, Vol. 10, No. 4, pp. 308-322

Subsatellite observations of small-scale hydrodynamic processes in the northeastern Black Sea

O.Yu. Lavrova 1, A.N. Serebryany 2, M.I. Mityagina 1, T.Yu. Bocharova 1
1 Space Research Institute of RAS, Moscow, Russia
2 N.N.Andreev Acoustic Institute; Space Research Institute of RAS, Moscow, Russia; Moscow, Russia
Results of experimental work obtained in June and September 2012 on the northeastern Black Sea shelf are presented. Transects from the coast to the shelf edge were conducted using acoustic Doppler current profiler (ADCP) in conjunction with radar imaging of the region of experiment from satellites, Radarsat-2, TerraSAR-X and TanDEM-X and optical imaging by Envisat MERIS and Terra / Aqua MODIS. A large number of anticyclonic and cyclonic small-scale eddies are detected and their characteristics assessed. Special focus is on coastal current reversal events in association with anticyclonic eddies. Joint analysis of radar and ADCP data allowed to detect six internal wave packets occurred in the study region during the measurements. Their amplitudes ranged 8–12 m and the characteristic wavelength was 90–100 m. It is the use of satellite radar data of spatial resolution as high as 3 m that made it possible to reveal surface manifestations of internal waves of such a scale.
Keywords: вихревые структуры, внутренние волны, дистанционное зондирование из космоса, Черное море, подспутниковые измерения, радиолокационные изображения, Radarsat-2, TerraSAR-X, TanDEM-X, eddy structures, internal waves, remote sensing, the Black Sea, subsatellite measurements, radar images, Radarsat-2, TerraSAR-X, TanDEM-X
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