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ISPRS Int. J. Geo-Inf. 2018, 7(7), 237; https://doi.org/10.3390/ijgi7070237

Analysis of Scattering Properties of Continuous Slow-Release Slicks on the Sea Surface Based on Polarimetric Synthetic Aperture Radar

1
Navigation College, Dalian Maritime University, Dalian 116026, China
2
Environmental Information Institute, Dalian Maritime University, Dalian 116026, China
3
National Marine Environmental Monitoring Center, Dalian 116026, China
*
Author to whom correspondence should be addressed.
Received: 20 May 2018 / Revised: 9 June 2018 / Accepted: 18 June 2018 / Published: 21 June 2018
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Abstract

This study employs polarimetric synthetic aperture radar (Pol-SAR) to examine the scattering properties of continuous slow-release oil slicks on the sea surface. The objective is to extract and analyze the general polarization scattering properties of continuous slow-release slicks, i.e., those slicks that consist of substances released at a fairly slow and relatively constant rate, and to determine the influence of the slick formation process on these properties. Using multi-polarization feature parameters derived from the averaged coherency matrix, we find that the scattering mechanisms related to the continuous slow-release slicks differ from those of anthropogenic slicks, possibly as a result of the multiple scattering mechanisms that occur between the interfaces formed by the thick slick layer. Combinations of entropy (H) and modified anisotropy (A12) are relatively robust parameters for identifying continuous slow-release slicks under different sea conditions, and may serve as a reference parameter for slick detection. View Full-Text
Keywords: SAR; continuous slow-release slick; polarimetric scattering feature; oil spill SAR; continuous slow-release slick; polarimetric scattering feature; oil spill
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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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Li, G.; Li, Y.; Liu, B.; Hou, Y.; Fan, J. Analysis of Scattering Properties of Continuous Slow-Release Slicks on the Sea Surface Based on Polarimetric Synthetic Aperture Radar. ISPRS Int. J. Geo-Inf. 2018, 7, 237.

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