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29 January 2024 Application of GIS and AHP in delineating and mapping coal extent prospect areas in Surigao del Sur, Philippines
Nhesa L. Cabigquez, Jan Patrick G. Oropa, Riva Karyl P. Varela, Jun Love E. Gesta
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Proceedings Volume 12977, Eighth Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet; 1297719 (2024) https://doi.org/10.1117/12.3009582
Event: 8th Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet, 2023, Yogyakarta, Indonesia
Abstract
Coal makes up a large percentage of the world’s energy consumption and contributes to industrial growth. However, despite the largely unexplored areas, it is still not given much focus. This study utilizes GIS techniques and AHP to delineate coal areas in Surigao del Sur, Philippines, by reclassifying and establishing a weighted ranking system for the selected criteria, generating a coal prospect map, and quantifying regions for the possible occurrence of coal. The weights of the selected criteria, which included slope, rock type and age, vegetation development, and lineaments, were determined using AHP. Among these, the type of rocks was highly considered in identifying coal areas with an average final weight of 33.16%. Overall, the majority of the study area has a high potential for coal occurrence, covering 128,704.59 hectares or 26% of the total area.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Nhesa L. Cabigquez, Jan Patrick G. Oropa, Riva Karyl P. Varela, and Jun Love E. Gesta "Application of GIS and AHP in delineating and mapping coal extent prospect areas in Surigao del Sur, Philippines", Proc. SPIE 12977, Eighth Geoinformation Science Symposium 2023: Geoinformation Science for Sustainable Planet, 1297719 (29 January 2024); https://doi.org/10.1117/12.3009582
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KEYWORDS
Mining
Geographic information systems
Earth sciences
Accuracy assessment
Decision making
Geology
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