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Proceedings Paper

Slick bands kinematics due to marine current and wind: study and simulation
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Paper Abstract

Surfactant films on the sea surface can appear due to pollutions, river and collector drains, as well as biological processes. Film slicks can indicate different processes in the upper ocean and in atmosphere. In particular, slick signatures in SAR-imagery of the sea surface at low and moderate wind speeds are often associated with marine currents. Other factors such as wind and physical characteristics of films can significantly influence the dynamics of slick structures. A perspective approach aimed at measuring surface currents is developed. Based on the approach an impact of wind on the kinematics of artificial slick bands is determined. Simulation of slick band propagation from the localized source of surfactant in the field of wind and eddy-shape current is performed. As a result of simulation the shape of surface slick structure, which is close to the observed on SAR image of water surface, is obtained. It is shown that the possibility of spiral bands formation due to presence of marine submesoscale eddies is determined by near-surface wind. Moreover, it is declared that a traditional estimation of scales of marine eddies based on the scales of spiral slick structures is not basically correct.

Paper Details

Date Published: 14 October 2019
PDF: 6 pages
Proc. SPIE 11150, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2019, 111501J (14 October 2019); doi: 10.1117/12.2533150
Show Author Affiliations
Olga V. Shomina, Institute of Applied Physics (Russian Federation)
Aleksey V. Ermoshkin, Institute of Applied Physics (Russian Federation)
Olga A. Danilicheva, Institute of Applied Physics (Russian Federation)
Tatiana V. Tarasova, National Research Univ. Higher School of Economics (Russian Federation)
Ivan A. Kapustin, Institute of Applied Physics (Russian Federation)

Published in SPIE Proceedings Vol. 11150:
Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2019
Charles R. Bostater Jr.; Xavier Neyt; Françoise Viallefont-Robinet, Editor(s)

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