Study on wind wave variability by inhomogeneous currents in the neighborhood underwater hill

Victor V. Bakhanov; Nikolai A. Bogatov; Alexei V. Ermoshkin; Victor I. Titov; Alexei V. Zimin

doi:10.1117/12.2224317

7 May 2016 Study on wind wave variability by inhomogeneous currents in the neighborhood underwater hill

Victor V. Bakhanov, Nikolai A. Bogatov, Alexei V. Ermoshkin, Victor I. Titov, Alexei V. Zimin

Proceedings Volume 9878, Remote Sensing of the Oceans and Inland Waters: Techniques, Applications, and Challenges; 98781D (2016) https://doi.org/10.1117/12.2224317
Event: SPIE Asia-Pacific Remote Sensing, 2016, New Delhi, India

Abstract

A experiments were performed in the shelf zone of the Black Sea in 2015 to study variability of the current fields and other characteristics of sea bulk, wind waves, and the near-surface atmospheric layer. Region with the secluded underwater hill streamlined with currents was selected. Measurements were carried out from the onboard of vessels on move and in drift by optical, radar, acoustic equipment, and STD probe.

The complex different structure of waters, which was formed under the influence of shelf waters and water of the open sea interaction, was observed during the experiment. The analysis of measurements in the water column showed that that the flow around underwater elevation forms the hydro-physical disturbances of marine environment. Maximum flow observed above the slopes of underwater elevation and reach 50 cm/s. Wind speed varied from 0 to 10 m/s.

On radar panoramas in the region of underwater elevation is observed the appearance of the wave structure, different from the background wind waves. This anomaly on the sea surface is connected with non-uniform current in the neighborhood underwater elevation.

Citation Download Citation

Victor V. Bakhanov, Nikolai A. Bogatov, Alexei V. Ermoshkin, Victor I. Titov, and Alexei V. Zimin "Study on wind wave variability by inhomogeneous currents in the neighborhood underwater hill", Proc. SPIE 9878, Remote Sensing of the Oceans and Inland Waters: Techniques, Applications, and Challenges, 98781D (7 May 2016); https://doi.org/10.1117/12.2224317

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