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Proceedings Paper

Multi-sensor satellite survey of surface oil pollution in the Caspian Sea
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Paper Abstract

The results of long-term satellite survey of the aquatic area of the Caspian Sea are presented. The patterns of surface oil pollution of the Caspian Sea are described and analysed. It is demonstrated that surface oil pollution is often caused by natural causes, namely by natural hydrocarbon seepages and mud volcanoes activity on the sea bottom. A combined analysis of oil film signatures in satellite radar and optical imagery data is performed. Mapping of the main types of surface pollution of the Caspian Sea is performed and areas of the heaviest pollution are outlined and analysed. Dependence of radar signatures of sea surface oil patches on the wind/wave conditions is investigated. The large amount of the data available allowed us to make some generalizations and obtain statistically significant results on a spatial and temporal variability of various sea surface film manifestations in SAR images. The impact of dynamic and circulation processes and natural factors (current meandering, vortical activity, temperature and wind patterns) on spatial and temporal distributions and intensity of oil films is studied. The connection between manifestations of natural seepages and mud volcanoes and earthquake activity in South Caspian and adjacent areas is established.

Paper Details

Date Published: 14 October 2015
PDF: 12 pages
Proc. SPIE 9638, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2015, 96380Q (14 October 2015); doi: 10.1117/12.2194511
Show Author Affiliations
Marina I. Mityagina, Space Research Institute (Russian Federation)
Olga Yu Lavrova, Space Research Institute (Russian Federation)


Published in SPIE Proceedings Vol. 9638:
Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2015
Charles R. Bostater; Stelios P. Mertikas; Xavier Neyt, Editor(s)

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