Abstract
By remote sensing methods natural oil seeps and their sources in the southern part of the Caspian Sea off the coast of Iran and in the Barents Sea are studied. It is shown that with the help of a geoinformational approach and additional geological-geophysical information and bathymetric data, it is possible not only to determine their actual position at the bottom, but also to obtain information on their activity, e.g., frequency, volumes of emitted oil, and oil and gas deposits. In addition, this approach allows discovering new seep sources in various seas. It is concluded that the SAR data of the European Sentinel-1 satellites is an excellent material for monitoring and studying natural oil seeping through the observation of oil slicks floating on the sea surface.
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