基于GIS與RS的不同礦區(qū)礦山地質(zhì)環(huán)境評價方法對比研究
[Abstract]:The unreasonable exploitation and utilization of mineral resources for a long time have caused various geological environmental problems in mines. Because of the complexity of geological conditions and regional geographical differences in our country, mine geological environment problems are more prominent and serious. However, the evaluation of mine geological environment has not yet formed a mature and generally accepted method and theory system by the experts in the field. Under this background, based on the project of "remote Sensing investigation and Monitoring of Mining Development in Beijing and Tianjin area" issued by the China Geological Survey, a comparative study was made between the research area of Mentougou Coal Mine in Fangshan and Miyun Iron Mine in Beijing by using worldview-2 data. The mine geological environment was evaluated. The main achievements of this study are as follows: 1. Choose Mentougou-Fangshan Coal Mine Research area and Miyun Iron Mine Research area, different research areas have different geological and metallogenic background, different mineral development minerals, Different mining methods and different development degrees, different conditions have different effects on geological environment, so different evaluation factors are selected for different research areas. 2. In this paper, WorldView-2 data and ETM remote sensing images are selected for this study. On the basis of multi-source data, we use ARCGIS,ENVI platform to preprocess the images. Some column operations, such as image interpretation, have been used to extract the information of each evaluation factor, and good results have been achieved. 3. The paper puts forward the evaluation method of vector polygon combined with buffer method, which provides technical support for the development of mine geological environment evaluation. At the same time, AHP combined with fuzzy mathematics method is selected to evaluate the geological environment of two mining areas. The method combines the advantages of AHP and fuzzy mathematics to make the evaluation results more objective. This method is applicable to both mining areas and has achieved good results. 4. Based on the comparative study of mine geological environment evaluation in two areas in this paper, it is also applicable to other mining areas. In the establishment of evaluation system, the factors which have a great influence on the study area are analyzed and listed as important evaluation factors. For the regions with large amount of information and complicated mining methods, the selection of grid method can satisfy the geological environment evaluation work in this area and similar areas. For the regions with less information and simple mining methods, the selection of vector polygon combined with buffer method can meet the needs of mine geological environment evaluation in this area and similar areas.
【學位授予單位】:中國地質(zhì)大學(北京)
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:P208;P237;X82
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