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Assessment of the Acoustic Impact of Wind Farm Projects: Methodology and Case

Journal of Geoscience and Environment Protection 2018年第1期6卷 99-110页

作者： Jose Molina-Ruiz mari luz garcía-lorenzo María José Martínez-Sánchez Diego Gallego Department of Geography Faculty of Geography University of Murcia Murcia Spain Department of Mineralogy and Petrology Faculty of Geology University Complutense of Madrid Madrid Spain Department of Agricultural Chemistry Geology and Pedology Faculty of Chemistry University of Murcia Murcia Spain Diego Gallego Cambronero Departamento Ecologia Faculty of Sciences University of Alicante Alicante Spain

Wind energy is a clean renewable and its benefits are considered greater than the disadvantages. However, even though wind farms represent environmentally friendly projects, they frequently generate public resistance. Wind turbines are socially controversial because of their visual and acoustic impacts. The aim of this work was to design a methodology for the preliminary evaluation of potential acoustic impact of wind farms. Three steps have been proposed: identification, characterization and assessment of the acoustic impact during the construction, operation and decommissioning phase. Obtained results in the studied area suggested that at a maximum power, at 500 meters of wind turbines, noise level is lower than the reference level established in the legislation. In summary, proposed methodology could help to determine and to evaluate the best location for new wind farm projects. Proposed methodology could help to determine and to evaluate the best location for new wind farm projects. Moreover, this method could be used as a consulting tool for public organizations and private institutions, being quick, concise and clear. Obtained results for the studied wind farm project suggested that almost all the area showed noise levels lower than established background noise level.

关键词： Wind Turbine Environmental Impact Assessment Acoustic Impact Wind Farm

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Cost Optimisation for Minimizing the Visual Impact of Ornamental Stone Quarrying. A Case Study in Murcia Region

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Journal of Geoscience and Environment Protection 2018年第2期6卷 74-88页

作者： José Molina-Ruiz María José Martínez-Sánchez Carmen Pérez-Sirvent mari luz garcía-lorenzo María luz Tudela-Serrano Department of Geography Faculty of Geography University of Murcia Campus de la Merced Murcia Spain Department of Agricultural Chemistry Geology and Pedology Faculty of Chemistry University of Murcia Campus de Espinardo Murcia Spain Department of Mineralogy and Petrology Faculty of Geology University Complutense of Madrid Madrid Spain

Quarrying of ornamental stone has adverse effects that are both visual and environmental. This paper aims to develop a methodology for minimising the costs associated with reducing the visual impact of ornamental stone quarrying. This study uses digital topographical maps of the study zone and a GPS and GIS application to calculate the extent of the area affected by quarrying activities for each altitude designated in the work plan and to calculate the extent of the potential visual impact. The results obtained applying the proposed methodology for the selected area suggested that the potential visual impact is minimal for an altitude of 520 metres, this being the optimal point for the observer. When altitude increases, the potential visual impact increases and the optimal point for the observer diminishes until the highest impact altitude (740 m) is readied. The optimal point that the exploitation should reach is that at which the values of the diagram generated by the (%) area of potential visual impact and area of exploitation (%) intersect. The methodology allows the optimal altitude to be determined for mining exploitations and helps assess the viability of a given exploitation from an environmental point of view.

关键词： Restoration Costs Ornamental Stone Visual Impact Limestone Quarrying

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