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Remote Sens. 2019, 11(7), 840; https://doi.org/10.3390/rs11070840

On Capabilities of Tracking Marine Surface Currents Using Artificial Film Slicks

1
Institute of Applied Physics of the Russian Academy of Sciences, 46 Uljanova St., Nizhny Novgorod 603950, Russia
2
Volga State University of Water Transport, 5 Nesterova st., Nizhny Novgorod 603005, Russia
*
Author to whom correspondence should be addressed.
Received: 13 March 2019 / Revised: 29 March 2019 / Accepted: 4 April 2019 / Published: 8 April 2019
(This article belongs to the Special Issue Oil Spill Remote Sensing)
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Abstract

It is known that films on the sea surface can appear due to ship pollution, river and collector drains, as well as natural biological processes. Marine film slicks can indicate various geophysical processes in the upper layer of the ocean and in the atmosphere. In particular, slick signatures in SAR-imagery of the sea surface at low and moderate wind speeds are often associated with marine currents. Apart from the current itself, other factors such as wind and the physical characteristics of films can significantly influence the dynamics of slick structures. In this paper, a prospective approach aimed at measuring surface currents is developed. The approach is based on the investigation of the geometry of artificial banded slicks formed under the action of marine currents and on the retrieval of the current characteristics from this geometry. The developed approach is applied to quasi stationary slick bands under conditions when the influence of the film spreading effects can be neglected. For the stationary part of the slick band where transition processes of the band formation, e.g., methods of application of surfactants on water, film spreading processes, possible wind transformation etc., become negligible, some empirical relations between the band geometrical characteristics and the characteristics of the surface currents are obtained. The advantage of the approach is a possibility of getting information concerning the spatial structure of marine currents along the entire slick band. The suggested approach can be efficient for remote sensing data verification.
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Keywords: film slick; slick band; sea surface; surface current structure film slick; slick band; sea surface; surface current structure
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Kapustin, I.A.; Shomina, O.V.; Ermoshkin, A.V.; Bogatov, N.A.; Kupaev, A.V.; Molkov, A.A.; Ermakov, S.A. On Capabilities of Tracking Marine Surface Currents Using Artificial Film Slicks. Remote Sens. 2019, 11, 840.

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