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

Olga V. Shomina; Aleksey V. Ermoshkin; Olga A. Danilicheva; Tatiana V. Tarasova; Ivan A. Kapustin

doi:10.1117/12.2533150

14 October 2019 Slick bands kinematics due to marine current and wind: study and simulation

Olga V. Shomina, Aleksey V. Ermoshkin, Olga A. Danilicheva, Tatiana V. Tarasova, Ivan A. Kapustin

Proceedings Volume 11150, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2019; 111501J (2019) https://doi.org/10.1117/12.2533150
Event: SPIE Remote Sensing, 2019, Strasbourg, France

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.

Citation Download Citation

Olga V. Shomina, Aleksey V. Ermoshkin, Olga A. Danilicheva, Tatiana V. Tarasova, and Ivan A. Kapustin "Slick bands kinematics due to marine current and wind: study and simulation", Proc. SPIE 11150, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2019, 111501J (14 October 2019); https://doi.org/10.1117/12.2533150

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