Justification of the dual-use of aerospace geomonitoring of the offshore shelf: Exploration of hydrocarbon deposits and “highlighting” the marine situation
Рубрика:
| 1Fedorovskyi, OD, 1Khyzhniak, AV, 1Filimonov, VYu. 1State institution «Scientific Centre for Aerospace Research of the Earth of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine», Kyiv, Ukraine |
| Space Sci. & Technol. 2021, 27 ;(2):38-44 |
| https://doi.org/10.15407/knit2021.02.038 |
| Язык публикации: Ukrainian |
Аннотация: Hydrophysical processes in the surface water layer over the hydrocarbon deposits or moving submerged objects that form its hydrothermodynamic regime are very similar. The purpose of this work is to justify the dual-use of the aerospace geomonitoring methodology of the marine shelf using the relevant informative features, in particular, by highlighting the state of the water area showing zones of temperature anomalies of various origin in the marine shelf to search for hydrocarbon deposits and to control the unauthorized moving submerged objects access. As a result of the retrospective analysis and processing of archive materials of the process of formation of temperature anomalies of natural and technogenic origin, several dozens of different Haralik parameters were checked. The five most informative of them were selected for further use: Contrast, Sum Variance, Sum Entropy, Entropy, Difference Entropy.
To achieve these goals, studies were carried out in three stages. Firstly, the temperature anomalies of natural origin on the sea surface, which occur in the presence of hydrocarbon deposits, were obtained using a spacecraft. Secondly, the temperature anomalies of the technogenic origin, which are created by mobile submerged objects in the aquatic environment, were obtained. The above was carried out based on data obtained during a model experiment in the research pool. Thirdly, archived data of changes in the temperature of the water surface in the infrared region of the spectrum after the passage of moving submersible objects were processed. Data were obtained on the sea surface using recording equipment, which was placed on the platform.
As a result of the studies, informative signs of temperature anomalies that are different from the background were determined and, compared with the latter, are determined from a satellite image. This confirms the possibility of dual-use of the methodology of aerospace geomonitoring of the sea shelf.
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| Ключевые слова: aerospace geomonitoring, hydrocarbon deposits, methodology, moving underwater objects, offshore shelf management, temperature anomalies |
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