Image analysis applied to quantitative evaluation of chromatic impact generated by open-pit quarries and mines |
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| Authors: | Victor Pinto Xavier Font Miquel Salgot Jose Tapias Tomas Mañá |
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| Institution: | 1.Department of Geochemistry, Petrology and Geological Prospection, Faculty of Geology, Barcelona University, c/ Martí i Franquès s/n, 08028-Barcelona, Spain,Spain;2.Department of Natural Products, Vegetal Biology and Edafology, Faculty of Pharmacy, Barcelona University, Avda, Joan XXIII s/n, 08028-Barcelona, Spain,Spain;3.Valenciana de Cementos (CEMEX group), c/ Martinenca s/n, Alcanar, Tarragona, Spain,Spain |
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| Abstract: | One of the most important environmental impacts resulting from opencast mining, and especially quarries, is the visual impact. Evaluation of this impact considers two aspects: first, the area occupied by the quarry as seen by an observer from a specific place, and, second, the chromatic contrast existing between landscape and exploitation. In this study we develop a methodology to assess the chromatic impact in an objective and comparable form. To assess this impact we developed a method based on image analysis that allows us to obtain from a picture or image its equivalent as a function of chromatic impact, according to the sensibility of the human eye to different wavelengths. The methodology was applied to the Martinenca limestone quarry (Alcanar, Tarragona) and to Cerro Kori Kollo mine, La Joya district (Bolivia). |
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