Development of a Decision Support System based on remote sensing and GIS techniques for gold-rich area identification in SE Spain
نویسندگان
چکیده
Remote sensing techniques and spatial data analysis through Geographic Information Systems (GIS) have been jointly applied in a mineral exploration context to identify gold-rich potential areas in SE Spain. Results con rm the usefulness of this integrated methodological approach as an eVective tool to assess mineral potential in the studied region. Satellite and airborne image analysis have oVered valuable thematic information referring both to lithology and altered zone mapping from photointerpretation and digital classi cation. For this goal, SPOT panchromatic and Landsat TM images were merged in order to obtain high resolution image documents for photointerpretation purposes, and the Feature Principal Component Selection technique was applied to highlight hydrothermal alteration zones characterized by hydroxyl-bearing minerals. Remote sensing results were integrated, in conjunction with existing maps and data from mineral exploration surveys, into the GIS as vector or raster layers. The GIS implementation stage consisted of the creation of a relational database, including a complete set of georeferenced data, and the elaboration of a speci c user interface for spatial analysis using GIS facilities in order to establish a Decision Support System (DSS). The system was used to simulate diVerent mineral exploration scenarios, calculating and mapping a Mineral Potential Index that was interpreted in a practical sense in terms of surface reduction and economic costs.
منابع مشابه
Potential site selection in ecotourism planning using spatial decision support tool
Northern areas of Pakistan have blessed with extremely beautiful natural landscapes, waterfalls, glaciated mountains, biodiversity rich valleys and forests and have extraordinary potential for ecotourism. Study is designed to propose potential sites for ecotourism in Kohistan, which is a least developed but biodiversity rich area of Pakistan. Poor planning and mismanagement of tourism practice...
متن کاملFeasibility study on ecotourism potential areas using remote sensing and geographic information system (case study: abbasabad forest area, veresk, iran)
Ecotourism as the most attractive subset of the tourism industry can contribute to natural resource conservation and local development. Although great numbers of people annually visit Abbasabad area, in Veresk, Mazandaran, to enjoy its brilliant landscape and moderate ecologic condition, there is no applicable plan for many natural attractive zones in this area. As a result, some specific well ...
متن کاملMapping the Potential of Groundwater Resources in Hard Formations Using Geographic Information System and Remote Sensing, Case Study: Northwest of Shahroud
In recent years, rapid population growth has led to increase per capita water use in various sectors including agriculture and industry and a growing gap between water demand and water supply has emerged. Therefore, identifying and tracking changes in groundwater resources as an alternative and reliable source of surface water resources are so important to region located in the Middle East with...
متن کاملDecision support system (DSS) for site selection floodwater spreading schemes using remote sensing (RS) and geographical information systems (GIS)
متن کامل
Application of remote sensing and geographical information system in mapping land cover of the national park
The study was conducted with the objective of mapping landscape cover of Nechsar National park in Ethiopia to produce spatially accurate and timely information on land use and changing pattern. Monitoring provides the planners and decision-makers with required information about the current state of its development and the nature of changes that have occurred. Remote sensing and Geographical Inf...
متن کامل