Lithological mapping using Landsat 8 OLI and Terra ASTER multispectral data in the Bas Drâa inlier, Moroccan Anti Atlas

Zakaria Adiri; Abderrazak El Harti; Amine Jellouli; Lhou Maacha; El Mostafa Bachaoui

doi:10.1117/1.JRS.10.016005

20 January 2016 Lithological mapping using Landsat 8 OLI and Terra ASTER multispectral data in the Bas Drâa inlier, Moroccan Anti Atlas

Zakaria Adiri, Abderrazak El Harti, Amine Jellouli, Lhou Maacha, El Mostafa Bachaoui

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 10, Issue 1, 016005 (January 2016). https://doi.org/10.1117/1.JRS.10.016005

Abstract

Lithological mapping is a fundamental step in various mineral prospecting studies because it forms the basis of the interpretation and validation of retrieved results. Therefore, this study exploited the multispectral Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and Landsat 8 Operational Land Imager (OLI) data in order to map lithological units in the Bas Drâa inlier, at the Moroccan Anti Atlas. This task was completed by using principal component analysis (PCA), band ratios (BR), and support vector machine (SVM) classification. Overall accuracy and the kappa coefficient of SVM based on ground truth in addition to the results of PCA and BR show an excellent correlation with the existing geological map of the study area. Consequently, the methodology proposed demonstrates a high potential of ASTER and Landsat 8 OLI data in lithological units discrimination.

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Zakaria Adiri, Abderrazak El Harti, Amine Jellouli, Lhou Maacha, and El Mostafa Bachaoui "Lithological mapping using Landsat 8 OLI and Terra ASTER multispectral data in the Bas Drâa inlier, Moroccan Anti Atlas," Journal of Applied Remote Sensing 10(1), 016005 (20 January 2016). https://doi.org/10.1117/1.JRS.10.016005

Published: 20 January 2016

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