Mapping potential areas for hydrocarbon microseepage in Lower Agusan River Basin, Caraga, Philippines using Sentinel 2 imagery

Jenny Pearl G. Evangelio; Precious Via G. Miraballes; Riva Karyl P. Varela; Jun Love E. Gesta

doi:10.1117/12.3009576

29 January 2024 Mapping potential areas for hydrocarbon microseepage in Lower Agusan River Basin, Caraga, Philippines using Sentinel 2 imagery

Jenny Pearl G. Evangelio, Precious Via G. Miraballes, Riva Karyl P. Varela, Jun Love E. Gesta

Author Affiliations +

Proceedings Volume 12977, Eighth Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet; 129771H (2024) https://doi.org/10.1117/12.3009576
Event: 8th Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet, 2023, Yogyakarta, Indonesia

Abstract

Satellite remote sensing assesses hydrocarbon-rich areas in sedimentary basins by analyzing multi-spectral remote sensing-derived geological data. This study used geospatial datasets and techniques to map potential hydrocarbon microseepage areas in the Lower Agusan River Basin, Caraga, Philippines. The study employed parameters such as clay-carbonate alteration symptoms, ferric iron, ferrous iron minerals, Normalized Difference Vegetation Index (NDVI), and geological characteristics. Principal component analysis (PCA) was conducted on Sentinel 2 multispectral satellite imagery to detect mineral alteration phenomena. The PCA processing resulted in having PCA 3, with a value of -1.31862, to be used to extract the ferric iron mineralization. Moreover, PCA 1 has the highest eigenvector value for the ferrous iron band ratio, with a value of 1.34926. Lastly, PCA 2 extraction reveals clay carbonate mineralization with an eigenvector value of -1.19985. The fuzzy logic method was then applied to each parameter and integrated to determine the distribution of hydrocarbon microseepage areas. The results revealed that 83.3% of the study area exhibits a high potential for hydrocarbon microseepage, while 15.4% and 1.3% indicate moderate and low potential, respectively.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jenny Pearl G. Evangelio, Precious Via G. Miraballes, Riva Karyl P. Varela, and Jun Love E. Gesta "Mapping potential areas for hydrocarbon microseepage in Lower Agusan River Basin, Caraga, Philippines using Sentinel 2 imagery", Proc. SPIE 12977, Eighth Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet, 129771H (29 January 2024); https://doi.org/10.1117/12.3009576

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