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1
Vymazal, Jan, and Petr Sklenicka. "Restoration of areas affected by mining." Ecological Engineering 43 (June 2012): 1–4. http://dx.doi.org/10.1016/j.ecoleng.2012.02.008.
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Pacina, Jan, Kamil Novák, and Jan Popelka. "Georelief Transfiguration in Areas Affected by Open-cast Mining." Transactions in GIS 16, no. 5 (2012): 663–79. http://dx.doi.org/10.1111/j.1467-9671.2012.01339.x.
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Krzemień, Alicja, Juan José Álvarez Fernández, Pedro Riesgo Fernández, Gregorio Fidalgo Valverde, and Silverio Garcia-Cortes. "Restoring Coal Mining-Affected Areas: The Missing Ecosystem Services." International Journal of Environmental Research and Public Health 19, no. 21 (2022): 14200. http://dx.doi.org/10.3390/ijerph192114200.
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Multi-criteria decision analysis and cost-benefit analysis, either individually or in combination, have been used as the preferred tools to develop ecosystem services valuation, presenting significant discrepancies and variations between the calculated values. To counteract this problem, a new framework was developed based on a hierarchical weighting of the non-provisioning ecosystem services, using biodiversity as the reference ecosystem service since it is the easiest to apprehend. Their monetisation was made using the average price of EU carbon dioxide emission allowances during 2019 and 2020, obtaining reasonable and comparable results in line with what was expected for the study region. However, the revised EU Emissions Trading System Directive, which will apply from 2021–2030, generated a price escalation of carbon allowances, making it necessary to adjust or rethink the proposed framework. To achieve this goal, the paper proposes the introduction of new vectors or “missing ecosystem services” to counterbalance efforts to eliminate carbon dioxide emissions without necessarily removing humans from the equation: welfare and human health. As the linkages regarding ecosystem health, ecological restoration and human health are not well known, only welfare was incorporated into the framework. The results were highly satisfactory, in line with what was expected for the study region and the ones obtained before the price escalation of carbon allowances that started in 2021.
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G., Kadyralieva, and Dzhakupbekov B. "Assessment peculiarities of the constructions stability in the areas of affected by mining operations." BULLETIN of L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 132, no. 3 (2020): 74–82. http://dx.doi.org/10.32523/2616-68-36-2020-132-3-74-82.
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Tataru, Andreea Cristina, and Dorin Tataru. "Solutions for the Reuse of Areas Affected by Coal Extraction at Lupeni Mine." Mining Revue 30, s1 (2024): 123–28. https://doi.org/10.2478/minrv-2024-0049.
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Abstract Coal extraction in Valea Jiului leaves behind large areas of affected land. Once the mining units in Valea Jiului are closed, they can be given a different destination than the original one. Both surface and underground constructions can be used for other purposes, both economic and environmental protection. One of the mining operations that is currently in the process of closure and greening is the Lupeni Mining. In this paper we will present some solutions for the reuse of the areas affected by coal extraction at the Lupeni Mine.
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Mendes, Thiago Pereira, Luciano F. A. Montag, Thaisa Sala Michelan, et al. "Recovery processes in areas affected by mining: a scienciometric review." Ciência e Natura 43 (January 4, 2022): e53. http://dx.doi.org/10.5902/2179460x44045.
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A major challenge in using recovery techniques, for the different natural ecosystems affected by mining, is a mutual relationship between the habitat and its biota response. This study aimed to do a review to identify the number of publications, which countries are publishing more and which recovery techniques and taxonomic group are used in mining areas globally have contributed to the maintenance or recovery of the environment. We reviewed the literature on recovery in mining areas worldwide, between 1994 and 2016, using the Web of Science online database. We identified 9,000 publications, after the selection procedures, we analyzed the 467 remaining manuscripts. Of these, 34.26% were published between 1994 and 2004, and 65.74% between 2006 and 2016. The countries that contributed the most were the USA with 16.45%, Australia with 13.56% and China with 8.66%. Brazil contributed 6.9% of the publications. The recovery techniques using vegetation were the most reported in the literature and most used. The taxonomic group of terrestrial plants was the most cited and most used in the recovery of degraded areas. We found various techniques for recovering degraded areas can be established, but most of them did not show proper monitoring and without this the recovery processes may not achieve their objectives and studies that test the effect size of these recovery methods are still necessary.
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Golar, Golar, Muhammad Basir-Cyio, Isrun Isrun, et al. "Recovery of Agricultural Areas Affected by Traditional Gold Mining: Sustainable Food Supply Stability." International Journal of Design & Nature and Ecodynamics 16, no. 2 (2021): 177–84. http://dx.doi.org/10.18280/ijdne.160207.
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This study aims to analyze the recovery of the agricultural area’s function affected by the Poboya traditional gold mining in supporting the stability of sustainable food supply. We began the research by examining the existing mining land conditions through spatial analysis (land cover and land use changes from 2010 to 2019). Apart from that, it also analyzed the land’s health was through the soil’s physical and chemical properties, especially mercury. The observation proved that changes in the land’s cover and uses lead to decreased land quality and degradation. The existing condition showed heavy metals, particularly mercury, mostly polluted agricultural land in the mining area. The model design produced by this study may 1) emphasize land arrangement; 2) revegetation design with forestry, plantation, and food crops; 3) domesticated plant; and 4) environmental monitoring, concerning monitoring of soil quality, monitoring of erosion and sedimentation, water quality, acid mine drainage, successful revegetation, and others. These four aspects expect to help suppress the rate of land degradation in agriculture located in ex-mining areas and reduce forest destruction in the Grand Forest Park area.
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Deng, Mingming, Qiyue Li, Wenya Li, Geying Lai, and Yue Pan. "Impacts of Sand Mining Activities on the Wetland Ecosystem of Poyang Lake (China)." Land 11, no. 8 (2022): 1364. http://dx.doi.org/10.3390/land11081364.
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Increasing anthropogenic activities are threatening freshwater ecosystems worldwide. Sand mining in Poyang Lake has significantly impacted the wetland ecosystem over the past 20 years, yet a quantitative analysis of these impacts remains insufficient. Here, we used 63 Landsat images taken from 2000 to 2020 along with the support vector machine (SVM) method and a retrieval model of suspended sediment concentration (SSC) to identify sand mining vessels and areas affected by sand mining. Then, we analyzed the changes in landscape patterns in the areas affected by sand mining. The potential impact of underwater noise generated by sand mining vessels on Yangtze finless porpoises was analyzed by a sound propagation model. The number of sand mining vessels in Poyang Lake during the flood, normal, and dry seasons increased from 2000 to 2016 but rapidly decreased from 2017 to 2020. Sand mining vessels were mainly distributed in the northern channel from 2000 to 2006, moved toward the center of the lake from 2007 to 2010, then moved northward in 2017. Within the areas affected by sand mining, water and mudflats declined, grassland and sandbars increased, and the landscape discontinuity increased. The habitat of the Yangtze finless porpoise affected by underwater noise from sand mining vessels in all seasons has significantly increased overtime. The mean area of the affected habitats was 70.65% (dry), 64.48% (normal), and 63.30% (flood) of the total habitat areas. The porpoise habitats in the northern channel and the west branch of the Ganjiang River are more seriously affected by the underwater noise of sand mining vessels than the southern lake. The impact of sand mining activities on wetland landscape and aquatic species demands systematic investigation in the future.
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Gligor, Viorel, Emanuela-Adina Nicula, and Remus Crețan. "The Identification, Spatial Distribution, and Reconstruction Mode of Abandoned Mining Areas." Land 13, no. 7 (2024): 1107. http://dx.doi.org/10.3390/land13071107.
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The rehabilitation of abandoned mining sites is an increasingly pressing issue in the context of sustainable development. Recent research has emphasized the need for a holistic approach to the abandoned mining sites and their environmental rehabilitation. Based on field analysis, environmental assessments, satellite imagery processing and geographic information operations, this paper pushes forward the existing knowledge by conducting a comprehensive assessment of abandoned mining sites in the Romanian Carpathians and by proposing innovative and sustainable rehabilitation solutions. Our findings highlight that abandoned mining sites and their surrounding territories in the Romanian mountains have significant ecological imbalances and complex socio-economic issues. The findings also suggest that by adopting innovative, integrated, and sustainability-oriented approaches, territories affected by mining can be transformed into valuable and sustainable spaces to meet human needs. We conclude by presenting the importance of innovation in ecological reconstruction and spatial–functional reintegration of mining sites in mountain areas as a useful tool in making fair decisions, both in the context of implementing appropriate development policies as well as for the resilience and environmental sustainability of mining-affected mountain areas.
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Bae, Mi-Jung, Jeong-Ki Hong, and Eui-Jin Kim. "Evaluation of the Impacts of Abandoned Mining Areas: A Case Study with Benthic Macroinvertebrate Assemblages." International Journal of Environmental Research and Public Health 18, no. 21 (2021): 11132. http://dx.doi.org/10.3390/ijerph182111132.
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Mining activities are among the most long-lasting anthropogenic pressures on streams and rivers. Therefore, detecting different benthic macroinvertebrate assemblages in the areas recovered from mining activities is essential to establish conservation and management plans for improving the freshwater biodiversity in streams located near mining areas. We compared the stability of benthic macroinvertebrate communities between streams affected by mining activities (Hwangjicheon: NHJ and Cheolamcheon: NCA) and the least disturbed stream (Songjeonricheon: NSJ) using network analysis, self-organizing map, and indicator species analysis. Species richness was lowest at sites where stream sediments were reddened or whitened due to mining impacts in NHJ and NCA. Among functional feeding groups, the ratio of scrapers was lower (i.e., NHJ) or not observed (i.e., NCA) in the affected sites by mining. The networks (species interactions) were less connected in NHJ and NCA than in NSJ, indicating that community stability decreased in the area affected by mining activity. We identified five groups based on the similarity of benthic macroinvertebrate communities according to the gradients of mining impacts using a self-organizing map. the samples from the reference stream (clusters 1 and 5), sites located near the mining water inflow area (cluster 4), sites where stream sediments acid-sulfated (cluster 2), and sites that had recovered from mining impacts (cluster 3). Among the 40 taxa selected as indicators defined from the five clusters in self-organizing map, only few (Physa acuta, Tipula KUa, and Nemoura KUb) indicator species were selected in each cluster representing the mining-impacted sites. Our results highlighted that the benthic macroinvertebrate community complexity was lower in streams affected by mining activity. Furthermore, the range of disturbed areas in the streams, where conservation and management plans should be prioritized, can be quantified by examining alterations in the benthic macroinvertebrate community.
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Vagonova, Oleksandra, Artem Pavlychenko, Yevhen Terekhov, Jacek Obrzud, and Artur Dyczko. "Investment in the sustainable development of ecosystems in the areas affected by open pit mining." IOP Conference Series: Earth and Environmental Science 1457, no. 1 (2025): 012012. https://doi.org/10.1088/1755-1315/1457/1/012012.
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Abstract The research defines the principles of investment planning in the reclamation of lands disturbed in the conditions of open mining developments, considering the peculiarities of individual stages of open-pit mining land use. Considering the powerful destructive impact of the technological processes of mining development on the environment, the restoration of the territory of the mining allotment should be oriented towards achieving its ecological sustainability. In this aspect, it was established that the traditional approach to planning investments in land conservation in the conditions of open-pit mining development, which is based on the priority restoration of only those soil indicators that determine the productivity of the land in a specific direction of land use, does not meet the goals of sustainable post-industrial land development, associated with significant risks of further land degradation. In contrast to this, it is justified that the investment resources intended for the needs of land reclamation should be used to restore of technogenic soil ecosystems, which will be the basis for further sustainable use of reclaimed land and will allow minimizing losses from mining land use. The advantages of sustainable ecological investments in land restoration that will provide results of land use comparable to undisturbed lands are illustrated.
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Chalov, S. "Fluvial systems affected by open-cast mining." Soil erosion and river channel processes, no. 1 (December 24, 2024): 107–21. https://doi.org/10.71367/3034-4638-2024-1-1-107-121.
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The paper present data on the impact of placer platinum mining in the Vyvenka River basin (Kamchatka Krai), based on long-term observations from 2003 to 2022, in the areas of placer gold mining in the Langeri River basin (Sakhalin Island) (2015–2016), the Tuul River (Mongolia) (2011–2015), and the apatite-nepheline deposits of the Yuksporryok River (Khibiny Mountains) (2017–2018) and copper in the Nautanen River basin (Sweden) (2017–2018) on the fluvial systems. Changes in fluvial processes of the abandonded mining sites influenced by reclamation measures are discussed. Examples of changes in sediment budget components are given, special role of effluents and channel erosion on sediment transport and its chemical composition in rivers is discussed. Specifically, the review is focused on the different stages of mining development and after their abandonment.
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Legote, C. "Mining through areas affected by abnormal stress conditions at Syferfontein Colliery." Journal of the Southern African Institute of Mining and Metallurgy 115, no. 4 (2015): 265–69. http://dx.doi.org/10.17159/2411-9717/2015/v115n4a2.
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Gâf-Deac, Ioan I., Mohammad Jaradat, Florina Bran, et al. "Similarities and Proximity Symmetries for Decisions of Complex Valuation of Mining Resources in Anthropically Affected Areas." Sustainability 14, no. 16 (2022): 10012. http://dx.doi.org/10.3390/su141610012.
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After 1990, when the economic system changed in Romania, the mining industry was the most controversial field from a productive-economic point of view and subject to reforms and transformations for efficiency. Currently (2022), there are nine main mining perimeters in which the production of useful, energetic, and nonenergetic mineral substances is operational, and in others it has decreased or stopped. Still active mining areas need economic and ecological assessments to identify similarities and proximity symmetries for informed exploitation decisions and feasible complex resource utilization. The main objective of our study is to define a framework for the theoretical and practical contribution to the substantiation of decisions and expressions of interest regarding future investments in mining projects for useful and energetic and non-energetic mineral substances in Romania. Investments in the mining industry are expensive, with major risks and subunit success rates for specific geotechnological conditions. The purpose of the research is to provide the methodology for using some variables of similarities from proximity mining deposits in the stage of exploitation or post-exploitation affected by anthropogenic activity in the national geological territory through a case study of Romania. With the help of statistical scales, the research results highlight that in the exploitation and post-mining perimeters in Romania, the states of “affect” and “post-affect” anthropic, respectively, of eco-economic damage are in a maximum proportion of approximately 36% in relation to the ideal situations of no affect. For a mining investment project, knowing similar or symmetrical exploitation and post-exploitation properties and situations, and from the geological deposits in the vicinity, premises are created for optimized strategic and tactical decisions, based on reality and, above all, for the provision of expressions of interest for new investments that have a programmed, expected success rate.
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Song, Ziheng, Jie Fang, Jian Zhang, et al. "Spatiotemporal change characteristics of vegetation coverage in Shangwan Mine of China’s Shendong Mining Area." PLOS ONE 19, no. 4 (2024): e0302278. http://dx.doi.org/10.1371/journal.pone.0302278.
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The coal mining might cause the disturbance to the vegetation and the disturbance impacts might exist the differences for different areas, and few literatures compared and analyzed different disturbed areas based on the location of the mining face, and paid attention to the post mining self-healing effects of vegetation. Here, this paper selected the GaoFen multispectral images during 2017–2021 to study different areas of Shangwan Mine which includes the old mining area more than 5 years after mining, the new working face underground mined in 2018 and 2019, the natural growth control area and the open-pit mining affected area. The spatiotemporal changes of the surface fraction vegetation coverage (FVC) were analyzed in each area and the correlation between vegetation coverage and climatic factors was studied. The results showed that: (1) The overall vegetation coverage showed a moderate decrease trend in fluctuation from 2017 to 2021. The Open-pit mining affected areas showed the largest decline, reaching 68.3%. The FVC in the underground mining areas had a downward trend, but self-healing effect after mining was also observed. (2) The overall FVC in the study area was positively correlated with the number of precipitation days. (3) There were differences in the sensitivity to mining disturbance for different landform in the underground mining areas. (4) Although the FVC in the Old mining areas had recovered to the level of Natural growth control area, but the annual fluctuation was larger, which might mean lower ecological stability.
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Ramírez Sánchez-Maroto, Carlos. "Evolución histórica de la protección ambiental en la minería en España." Áreas. Revista Internacional de Ciencias Sociales, no. 38 (June 29, 2019): 19–34. http://dx.doi.org/10.6018/areas.386051.
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En este trabajo se analiza la gestación de la normativa de protección ambiental relacionada con las actividades mineras, así como disposiciones específicas mineras que se fueron aprobando y tuvieron incidencia para reducir los efectos negativos al medio natural. Las normativas mineras que se aprobaron en la Edad Moderna preveían algunas medidas a fin de evitar perjuicios a la agricultura, ganado y a pueblos en el entorno de actividades mineras. En el siglo XIX, con un Estado liberal, se fueron aprobando lentamente a partir de mitad de siglo diversas leyes y reglamentos mineros, debido a conflictos sociales, que introdujeron medidas con efectos de protección a la salud y al medio natural. Con un mayor grado de intervencionismo estatal en el siglo XX se fueron aprobando, en un contexto de presión de grupos sociales afectados, diversas normas sectoriales de protección a ríos y arroyos. La Ley de Minas vigente introdujo que se aprobase por decreto el fijar las condiciones imperativas de protección del ambiente, siendo el origen del primer Real Decreto de restauración de actividades mineras de 1982. This paper analyzes the gestation of environmental protec-tion regulations related to mining activities, as well as specific mining provisions that were approved and had an impact to reduce the negative effects to the natural environment. The mining regulations that were approved in the Modern Age envisaged some measures in order to avoid damage to agri-culture, livestock and to villages in the environment of mining activities. In the XIX century, with a liberal State, several laws and mining regulations were slowly being adopted from the middle of the century, due to social conflicts, which introduced measures with health and natural protection effects. With a greater de-gree of state interventionism in the XX century, in a context of pressure from affected social groups, various sectoral rules for the protection of rivers and streams were approved. The Law of Mines in force introduced that it was approved by decree to fix the imperative conditions of protection of the environ-ment, being the origin of the first Royal Decree of restoration of mining activities of 1982.
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., Cuc Thi Nguyen, Hoa Mai Thi Phan, Phuong Nguyen, Phi Quoc Nguyen, Hoa Anh Nguyen, and Hoang Anh Le. "Temporal-spatial variation of surface water affected by apatite mining activity in Lao Cai, Viet Nam." Journal of Mining and Earth Sciences 61, no. 6 (2020): 73–81. http://dx.doi.org/10.46326/jmes.2020.61(6).08.
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Apatite ore mining and processing is one of the main mineral activities of Lao Cai province. According to the annual environmental monitoring results, most of the rivers and streams flowing through apatite mining and processing areas such as: O, Ngoi Dum, Ngoi Duong, Dong Ho and Coc streams are all polluted by content of COD, BOD5, TSS, N?2−, N?4+, N?3−. The concentration of parameters as COD, BOD5, N?3−, N?2−, N?4+, tends to increase over the years. Streams near the mining areas such as Ngoi Duong, Dong Ho, Chu O, Coc streams were mainly polluted by COD, BOD5, TSS, N?3−. Streams in the ore processing area at Tang Loong such as Trat, Cam Duong, Khe Chom streams,... were mainly polluted by N?4+, NO2- and some heavy metals like as Cu, Fe. The results of cluster analysis showed that basically the quality of stream water in the ore mining and processing area is divided into 4 groups: heavy pollution, medium pollution, light pollution and no pollution. In particular, heavy polluted streams flow through apatite mining areas such as Ngoi Duong, Ngoi Dum and Chu O. The results of PCA show changes in the distribution of environmental quality parameters in major components by years.In particular, the parameters that contain high information values include COD, BOD5¸ N?3−, N?2− , Cu and Fe. The source of pollution is related to domestic wastewater at apatite mining and processing areas.
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Machado, Dayanna do Nascimento, Ervandil Corrêa Costa, and Leandra Pedron. "Soil mesoarthropods in areas of coal mining under environmental recovery." Pesquisa Agropecuária Brasileira 52, no. 12 (2017): 1215–22. http://dx.doi.org/10.1590/s0100-204x2017001200010.
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Abstract: The objective of this work was to evaluate the soil mesofauna composition in non-mining and in mining areas under environmental recovery with native vegetation and forest planting, in a coalmine in Southern Brazil. Five treatments were evaluated: native vegetation in non-mining area; plantation of Acacia mearnsii in non-mining area; plantation of A. mearnsii in mining area; plantation of Eucalyptus dunnii in non-mining area; and plantation of E. dunnii in mining area. Four soil samples per treatment were collected monthly, during one year. The organisms were extracted using a Berlese funnel with 50-W incandescent light. A total of 23,911 organisms were collected from the soil mesofauna, which were identified and distributed into 13 taxonomic groups. The abundance of specimens was similar between treatments. The greatest diversity of taxonomic groups was found under A. mearnsii plantation, in the mining area, and under E. dunnii plantations in non-mining and mining areas, all with 13 groups. Eucalyptus dunnii and A. mearnsii help to mitigate the impact of coal mining on the diversity of the soil mesofauna taxonomic groups, since the composition of mesoarthropods is similar to that of areas that have not been directly affected by mining.
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Yadav, Sandeep, Ajay Kumar, Hans Raj, and H. R. Bora. "Lichen diversity in coal mining affected areas of Makum coalfield, Magherita, Assam." Tropical Plant Research 5, no. 2 (2018): 243–49. http://dx.doi.org/10.22271/tpr.2018.v5.i2.031.
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Matečková, P., M. Šmiřáková, and P. Maňásek. "Design of foundations with sliding joint at areas affected with underground mining." IOP Conference Series: Earth and Environmental Science 143 (April 2018): 012006. http://dx.doi.org/10.1088/1755-1315/143/1/012006.
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Mateo, Graciela. "Asociación de Cooperativas Argentinas y Agricultores Federados Argentinos: dos buenos ejemplos de la transición en el cooperativismo agrario argentino." Áreas. Revista Internacional de Ciencias Sociales, no. 39 (December 29, 2019): 29–44. http://dx.doi.org/10.6018/areas.408271.
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Las cooperativas conforman una experiencia centenaria del agro argentino. En el siglo XXI, su desarrollo es uno de los principales ejes del Plan Estratégico Agroalimentario y Agroindustrial Participativo y Federal 2010-2020 para el logro de objetivos de competitividad y equidad social. Desde sus orígenes, el cooperativismo agrario procura cumplir con un doble objetivo: el primero, de carácter social, está destinado a la prestación de un servicio basado en principios de solidaridad, libre asociación y gestión democrática; el segundo, de carácter económico, está orientado a defender los intereses y mejorar la situación económica de sus asociados.Desde un criterio funcional, las cooperativas agrarias pueden cubrir diversas actividades, necesidades o servicios, tales como el aprovisionamiento, la producción, comercialización, la transformación o industrialización y el crédito, cumpliendo una o varias de esas fases. El artículo procura mostrar las transformaciones y permanencias operadas en el modelo cooperativo, a través del análisis de dos asociaciones emblemáticas del agro argentino: por un lado, la Asociación de Cooperativas Argentinas (ACA), primera entidad de segundo grado constituida en 1922 y que en la actualidad se encuentra entre los principales exportadores de cereales. Por otro, Agricultores Federados Argentinos (AFA), conformada en 1932 y que hoy es la principal cooperativa de primer grado del país. This paper analyzes the gestation of environmental protec-tion regulations related to mining activities, as well as specific mining provisions that were approved and had an impact to reduce the negative effects to the natural environment. The mining regulations that were approved in the Modern Age envisaged some measures in order to avoid damage to agri-culture, livestock and to villages in the environment of mining activities. In the XIX century, with a liberal State, several laws and mining regulations were slowly being adopted from the middle of the century, due to social conflicts, which introduced measures with health and natural protection effects. With a greater de-gree of state interventionism in the XX century, in a context of pressure from affected social groups, various sectoral rules for the protection of rivers and streams were approved. The Law of Mines in force introduced that it was approved by decree to fix the imperative conditions of protection of the environ-ment, being the origin of the first Royal Decree of restoration of mining activities of 1982.
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Skrzypczak, Izabela, Janusz P. Kogut, Wanda Kokoszka, and Grzegorz Oleniacz. "Reliability and safety, and the risk of construction damage in mining areas." E3S Web of Conferences 36 (2018): 01007. http://dx.doi.org/10.1051/e3sconf/20183601007.
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This article concerns the reliability and safety of building structures in mining areas, with a particular emphasis on the quantitative risk analysis of buildings. The issues of threat assessment and risk estimation, in the design of facilities in mining exploitation areas, are presented here, indicating the difficulties and ambiguities associated with their quantification and quantitative analysis. This article presents the concept of quantitative risk assessment of the impact of mining exploitation, in accordance with ISO 13824 [1]. The risk analysis is illustrated through an example of a construction located within an area affected by mining exploitation.
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Liu, Jinbin, Zexin He, Huading Shi, et al. "The Analysis of Spatiotemporal Changes in Vegetation Coverage and Driving Factors in the Historically Affected Manganese Mining Areas of Yongzhou City, Hunan Province." Land 14, no. 1 (2025): 133. https://doi.org/10.3390/land14010133.
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Manganese ore, as an important strategic metal resource for the country, was subject to unreasonable mining practices and outdated smelting technologies in early China, leading to severe ecological damage in mining areas. This study examines the trends in vegetation cover change in the historical manganese mining areas of Yongzhou under the influence of policy, providing technical references for mitigating the ecological impact of these legacy mining areas and offering a basis for adjusting mine restoration policies. This paper takes the manganese mining area in Yongzhou City, Hunan Province as a case study and selects multiple periods of Landsat satellite images from 2000 to 2023. By calculating the Normalized Difference Vegetation Index (NDVI) and the Fractional Vegetation Coverage (FVC), the spatiotemporal changes and driving factors of vegetation coverage in the Yongzhou manganese mining area from 2000 to 2023 were analyzed. The analysis results show that, in terms of time, from 2000 to 2012, the vegetation coverage in the manganese mining area decreased from 0.58 to 0.21, while from 2013 to 2023, it gradually recovered from 0.21 to 0.40. From a spatial perspective, in areas where artificial reclamation was conducted, the vegetation was mainly mildly and moderately degraded, while in areas where no artificial restoration was carried out, significant vegetation degradation was observed. Mining activities were the primary anthropogenic driving force behind the decrease in vegetation coverage, while effective ecological protection projects and proactive policy guidance were the main anthropogenic driving forces behind the increase in vegetation coverage in the mining area.
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Ibrayeva, Danara, Meirat Bakhtin, Yerlan Kashkinbayev, et al. "RADIATION SITUATION IN THE TERRITORIES AFFECTED BY MINING ACTIVITIES IN STEPNOGORSK AREAS, REPUBLIC OF KAZAKHSTAN: PILOT STUDY." Radiation Protection Dosimetry 189, no. 4 (2020): 517–26. http://dx.doi.org/10.1093/rpd/ncaa068.
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Abstract The Republic of Kazakhstan has a long history of mining activities, viz., gold and uranium. Mining activities represent sources of potential naturally occurring radionuclides contamination of the environment and human health of population. The aim of this study was to investigate the radiation situation of industrially modified environment in Stepnogorsk areas of Kazakhstan to understand the sources of contamination. Quite high values of ambient equivalent dose rates in air ~2.87 μSv h−1 were found in the Aqsu gold-mining site. The radon equivalent equilibrium volume activity (indoor) were in the range of 313–858 Bq m−3 in the study area buildings. The high values of activity concentration of natural radionuclides found in Aqsu soil samples were 226Ra-4060, 232Th-1170 and 40K-4080 Bq kg−1, respectively. However, our comprehensive surveys implied that the increased natural radiation background caused by the radionuclide transport from the tailing area did not have an impact, while evaluation of its potential radiation risks and remediation of the territories of the former gold mining should be needed.
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Suhartoyo, Hery, Agus Budianto, Tassya Aulita, and Wiryono Wiryono. "Assessment towards mine closure within IPPKH (Permit of Using Forest Area): Study case of a coal mining Licence at Taba Penanjung, Central Bengkulu, Indonesia." E3S Web of Conferences 373 (2023): 05008. http://dx.doi.org/10.1051/e3sconf/202337305008.
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Mine closure is an inevitable event within the mining business; however, post-mining land use is always intended for further beneficial use for further development, mostly to reach a landscape that sustain and give further benefit after the mining operation has finished. One of the mining licence schemes is the permit of using forest area (IPPKH). One of the mining companies at Central Bengkulu has experienced phasing out production towards mine closure. The query is how the mining-affected area can be reclaimed and rehabilitated to become a healthy forest ecosystem. This study aimed to assess the closure criteria based on mine closure regulations. Data were collected from stages of operation according to assessment of mine closure, particularly from rehabilitation sites. The results indicate that rehabilitation sites showed significant re-vegetation of mining-affected areas (dumping area and in-pit backfilling area) and progression to become forested areas, as depicted by structural development of re-forested sites. The overall score is within the suitable range of “good post-mine closure” but require examination and supervision if after mining, the areas are expected to have economic value.
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Vladu, Bogdan, Marin Nan, Emilia Dunca, and Dorel Vitan. "Solutions for sustainable development of communities – the case of the mining basin of Oltenia, Romania." Engineering Geology and Hydrogeology 33, no. 1 (2019): 77–84. http://dx.doi.org/10.52321/igh.33.1.77.
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The mining basin of Oltenia comprises several development sub-areas of Gorj County. Development policies are the directions and principles of action that local public authorities draw in a number of key sectors. Determining sustainable development indicators for urban and rural areas will lead to the identification of development solutions for the Oltenia mining basin. The paper aims to identify the weaknesses by determining the human development indicators in the urban and rural areas affected by the restructuring of the mining industry.
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Chen, Sirui, Pan Wu, Xuefang Zha, Binghuang Zhou, Jingbin Liu, and En Long. "Arsenic and Heavy Metals in Sediments Affected by Typical Gold Mining Areas in Southwest China: Accumulation, Sources and Ecological Risks." International Journal of Environmental Research and Public Health 20, no. 2 (2023): 1432. http://dx.doi.org/10.3390/ijerph20021432.
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Gold mining is associated with serious heavy metal pollution problems. However, the studies on such pollution caused by gold mining in specific geological environments and extraction processes remain insufficient. This study investigated the accumulation, fractions, sources and influencing factors of arsenic and heavy metals in the sediments from a gold mine area in Southwest China and also assessed their pollution and ecological risks. During gold mining, As, Sb, Zn, and Cd in the sediments were affected, and their accumulation and chemical activity were relatively high. Gold mining is the main source of As, Sb, Zn and Cd accumulation in sediments (over 40.6%). Some influential factors cannot be ignored, i.e., water transport, local lithology, proportion of mild acido-soluble fraction (F1) and pH value. In addition, arsenic and most tested heavy metals have different pollution and ecological risks, especially As and Sb. Compared with the other gold mining areas, the arsenic and the heavy metal sediments in the area of this study have higher pollution and ecological risks. The results of this study show that the local government must monitor potential environmental hazards from As and Sb pollution to prevent their adverse effects on human beings. This study also provides suggestions on water protection in the same type of gold-mining areas.
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Kautmanová, Ivona, Ondrej Brachtýr, Eliška Gbúrová Štubňová, Dana Szabóová, Peter Šottník, and Bronislava Lalinská-Voleková. "Potentially toxic elements in macromycetes and plants from areas affected by antimony mining." Biologia 76, no. 7 (2021): 2133–59. http://dx.doi.org/10.1007/s11756-021-00788-9.
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Brejcha, Marcel, Hana Staňková, and Pavel Černota. "Landscape modelling of past, present and future state of areas affected by mining." Perspectives in Science 7 (March 2016): 151–55. http://dx.doi.org/10.1016/j.pisc.2015.11.024.
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Raghavendra, N. Sujay, and Paresh Chandra Deka. "Sustainable Development and Management of Groundwater Resources in Mining Affected Areas: A Review." Procedia Earth and Planetary Science 11 (2015): 598–604. http://dx.doi.org/10.1016/j.proeps.2015.06.061.
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Yadava, C. G., Moulasab, Srinivasulu G. B., et al. "Livelihood Restoration Options for Mining Affected Areas in the Kalyana Karnataka Region, India." Journal of Experimental Agriculture International 46, no. 4 (2024): 89–94. http://dx.doi.org/10.9734/jeai/2024/v46i42343.
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The study was conducted to examine the sources of income and alternative livelihood restoration options in six villages of the Kalyana Karnataka region, which were affected by iron ore mining. The sample size of 226 households was considered for the study. Considering the population size, 16 to 50 respondents were selected randomly from each village. The results of the study explained that the primary source of livelihood was non-agriculture labour (18%), agricultural labour (15%) and farming (32%). The rest were working in private companies (5%), self-employed (12%), and government sector (2%), and the remaining respondents were unemployed or retired.
 One third of the families were mainly engaged in unskilled labour-related livelihood sources. Considering these socio-economic statuses, the study focused on identifying alternative sources of livelihood based on the respondents' interests. Around 48 per cent of respondents were interested in taking up alternative sources of income generation. Among alternative sources, 42 per cent of respondents were keen to practice sheep or goat rearing, agroforestry systems (19%), poultry (14%), Backyard dairy (12%), and tailoring (10%). Hence, policymakers may focus on these alternative livelihood options for capacity building and linking to developmental programmes for the mining-affected Kalyana Karnataka region to restore their livelihoods.
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Yang, Zhi, Yuanjing Deng, Mengxuan Li, et al. "Monitoring and Early Warning of Transmission Line External Breakage Based on Satellite-Ground Coordination." Journal of Physics: Conference Series 2078, no. 1 (2021): 012071. http://dx.doi.org/10.1088/1742-6596/2078/1/012071.
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Abstract This article first proposes a high-precision spatio-temporal registration method between satellite remote sensing images and ground sensors. Then, using satellite remote sensing images, an intelligent identification model for typical external damage hidden dangers of transmission lines based on satellite remote sensing is established to realize intelligent identification of transmission line construction work areas and mining affected areas. Aiming at the results of intelligent identification of construction work areas and mining-affected areas, the proposed YOLOv4-based external damage identification algorithm for transmission lines is used to detect external damage hidden dangers. Through the method in this paper, it is possible to realize a regular general survey of hidden dangers of external damage (construction work area, mining affected area) with full coverage of transmission channels, and carry out targeted 24-hour monitoring on the ground. The test results show that the satellite-ground coordinated transmission line external damage monitoring and early warning in this paper. The method timely and accurately realizes the monitoring and early warning of the external breakage of the transmission line.
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KUWORNU, John K. M., Yaw B. OSEI-ASARE, Michael O. ANSAH, and Akwasi MENSAH-BONSU. "Effect of gold mining on total factor productivity of farmers: Evidence from Ghana." Acta agriculturae Slovenica 111, no. 2 (2018): 327. http://dx.doi.org/10.14720/aas.2018.111.2.08.
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Gold mining comes with several benefits to developing countries, manifested mainly in the form of employment and revenue, but simultaneously impacts negatively on the immediate environment. It affects the economic structure including agriculture and its productivity. Hence, this study investigated the effect of gold mining on total factor productivity of farmers in Ghana using 110 cocoa farmers from Asutifi North and Asutifi South districts of the Brong Ahafo Region, categorised into mining and non-mining areas respectively. About 83 % of the farmers in the mining areas were affected by gold mining through channels such as land disputes, relocation of farm/residence, high cost of labour, illegal small-scale mining and dust settlement on crops. Also, about 64 % of cocoa farmers in the mining areas lost their farm lands (between 0.4 and 3.64 ha as a result of gold mining. The Tornqvist Total Factor Productivity (TFP) indices for cocoa farmers in the non-mining areas (mean TFP of 1.404) were also statistically higher than those in the mining areas (mean TFP of 0.371). The study concluded that gold mining activities adversely affect productivity of farmers in the catchment areas. The study recommends, among others, that a policy of land-for-land should be in place and effectively implemented to ensure that mining companies in order to enhance and ensure continuity of livelihoods must fully replace lands lost through mining activities.
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Carrión-Mero, Paúl, Maribel Aguilar-Aguilar, Fernando Morante-Carballo, et al. "Surface and Underground Geomechanical Characterization of an Area Affected by Instability Phenomena in Zaruma Mining Zone (Ecuador)." Sustainability 13, no. 6 (2021): 3272. http://dx.doi.org/10.3390/su13063272.
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In the last decade, in the mining district of Zaruma-Portovelo, there has been significant land subsidence related to uncontrolled mining activity. The purpose of this work was to carry out a surface and underground geomechanical characterization of a mining sector north of the city of Zaruma that allows the definition of potentially unstable areas susceptible to the mass movement. The methodology used consists of the following stages: (i) compilation of previous studies; (ii) surface and underground characterization of rocky material to establish its susceptibility to mass movement; (iii) interpretation of results; and (iv) proposal of action measures. Among the most relevant results, it stands out that 26.1% of the 23 stations characterized on the surface present conditions that vary from potentially unstable to unstable. In underground galleries, the studied mean values of the 17 stations indicate that the rock has a medium to good quality, representing a medium susceptibility to gallery destabilization. The results obtained for the surface areas (depths up to 50 m, where altered materials predominate) and the underground areas (depths > 50 m, where the alterations are specific) can be used to identify the areas with a more significant potential for instability. For both cases, it has been possible to define specific monitoring, control, and planning actions for sensitive areas.
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Fang, Aman, Jihong Dong, Zhiguo Cao, Feng Zhang, and Yongfeng Li. "Tempo-Spatial Variation of Vegetation Coverage and Influencing Factors of Large-Scale Mining Areas in Eastern Inner Mongolia, China." International Journal of Environmental Research and Public Health 17, no. 1 (2019): 47. http://dx.doi.org/10.3390/ijerph17010047.
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Vegetation in eastern Inner Mongolia grasslands plays an important role in preventing desertification, but mineral exploration has negative effects on the vegetation of these regions. In this study, the changing trend types of vegetation in eastern Inner Mongolia were analyzed using the normalized difference vegetation index (NDVI) time series from the Global Inventory Modeling and Mapping Studies (GIMMS) NDVI 3g dataset from 1982 to 2015. Meanwhile, changing trend and influencing factors of 25 large-scale mining areas before and after mining were explored with the methods of trend line, residual calculation, and correlation analysis. The vegetation coverage towards increasing in eastern Inner Mongolia decreased in the order of Tongliao > Hinggan League > Chifeng > Hulunbuir > Xilingol over the past 34 years. Vegetation showed a decreasing tendency in 40% mining areas, but an increasing tendency in 60% mining areas after mining. Vegetation change in Shengli No. 1 had a significant correlation with precipitation and human activities after mining. Except Shengli No. 1, an obvious correlation was found between vegetation change and precipitation in 45.83% mining areas after mining. Human activities had significant positive effects on vegetation growth in 25% mining areas. Significant negative effects of human activities were found in 8.34% mining areas, causing the vegetation degradation. However, there were 20.83% mining areas with vegetation changes not affected by precipitation and human activities.
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Daruka, Norbert, and Lóránd Kugyela. "Explosive Ordnance Detection in Areas Designated for Mining." Műszaki Katonai Közlöny 34, Különszám (2024): 129–41. http://dx.doi.org/10.32562/mkk.2024.ksz.11.
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Nowadays, mining is becoming increasingly valued, as mines of various types provide a large part of the raw materials needed for construction. In order to ensure a continuous supply of extraction and raw materials, new areas need to be identified and opened up. However, some of these new areas may contain security risks such as explosive remnants of war. If we look back to the events of the World War II, there was perhaps no area in Europe that was not affected by the preparation or execution of some act of war. The warring parties deployed a full arsenal of weapons, some of which still pose a threat today. The various types of bombs, mines, projectiles and grenades were only partially operational. Explosive devices that were simply left behind or unexploded were buried beneath the surface, and continue to pose a growing threat to this day (almost eight decades later). The dismantling and disposal of the left-behind and often very poorly recovered explosive devices has been ongoing ever since. The problems of finding explosive devices and munitions tend to occur in areas where there has been no previous investment, construction or earthworks.
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Yang, Ye, Guilan Li, Yidi Wang, et al. "Dynamic Response of Vegetation Net Primary Productivity to Climate and Human Impacts in Mining-Dominated Basin in Inner Mongolia, China." Atmosphere 15, no. 12 (2024): 1457. https://doi.org/10.3390/atmos15121457.
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The net primary productivity (NPP) of vegetation is the key indicator for assessing ecosystem productivity and carbon cycling. The Ulan Mulun River Basin (UMRB) in Northwest China is a typical coal mining area, including open-pit mining (OPM) and underground coal mining (UGM). There are limited studies utilizing long-term, high-resolution data to investigate the spatiotemporal and driving mechanisms of NPP in different types of mining and non-coal mining (NCM) areas. In this study, NPP was estimated using high-resolution Landsat data (30 m) and an improved CASA model for the period 1987–2022. The spatiotemporal variations in NPP across the basin were systematically investigated using Theil–Sen–MK trend analysis, partial derivatives, and multivariate regression residual to explore and quantify the impacts of climate variability (CV) and human activities (HAs) on the different coal mining and NCM areas. The research results show that the overall fluctuating upward trend of vegetation cover in the country is 64.84% during the period from 1987 to 2022. However, there is a decreasing trend of NPP in the coal mining areas. Precipitation was the major factor influencing the change in NPP (21.835 gC/m2/a), while HAs had a lesser effect (4.667 gC/m2/a). In addition, UGM and NCM were more positively affected by HAs than OPM, while OPM was more positively affected by CV than UGM and NCM. These findings can guide scientific ecological restoration strategies, assess carbon balance impacts, and optimize land management and planning in mining areas to achieve a balance between resource development and environmental protection.
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Florkowska, Lucyna. "Building protection against the backdrop of current situation and growth perspectives for polish mining industry / Problematyka ochrony obiektów budowlanych na tle sytuacji i perspektyw rozwoju górnictwa w polsce." Archives of Mining Sciences 57, no. 3 (2012): 645–55. http://dx.doi.org/10.2478/v10267-012-0041-2.
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Abstract This paper discusses issues involved in protecting buildings and utilities infrastructure located on areas affected by mining exploration. They have been presented against the backdrop of current situation and growth perspectives for Polish mining. Characteristics of Polish mineral deposits have been determined and the scale of mining-induced impact has been given as an aggregate mining areas and regions. Current situation and growth perspectives have been evaluated through analysing geological concessions granted by Ministry of the Environment. The nature of mining influences induced by underground coal - black coal being the most intensively explored mineral in the country - mining has been discussed. Building protection issues have also been presented from three angles: forecasting of mining influences, designing protections and structural health monitoring.
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Kryzia, Katarzyna, and Aleksandra Radziejowska. "Cause-and-effect Analysis of the Impact of Mining Activities on Buildings." Civil and Environmental Engineering Reports 34, no. 4 (2024): 55–74. http://dx.doi.org/10.59440/ceer/194059.
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The transformations and deformations accompanying mining exploitation adversely affect the surface and its development facilities, leading to damage to building structures and technical infrastructure. These inconveniences often become a source of social conflicts and tensions, especially in highly urbanized areas. Mining companies face the difficult task of carrying out their activities while simultaneously preventing and eliminating mining damages that occur during and after the exploitation of deposits. In this article, the authors have collected a number of factors characterizing mining activities to determine their nature and impact on buildings located in mining areas. These factors were subjected to DEMATEL analysis, which made it possible to examine the strength of their impact as well as their cause-and-effect relationships. The cause-and-effect analysis enabled the identification of the relationships between the mining factors affecting buildings and the determination of their nature. This analysis will facilitate the easier determination and subsequent planning for the reduction of adverse effects of mining activities in areas affected by mining exploitation.
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Cotiga, Constantin, Olimpia Ghermec, Ionela Gabriela Bucse, and Dumitru Țugui. "Environmental Strategies in Areas Affected by Ash from Large Combustion Plants." Advanced Engineering Forum 13 (June 2015): 206–9. http://dx.doi.org/10.4028/www.scientific.net/aef.13.206.
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The great extent of industrialization in the world can have serious repercussions on the environment. Damage to agricultural ecosystems is produced not only by the industrial centers or mining, but also by the ash resulting from burning coal in combustion plants. Restoration in the agricultural exploitation of lands degraded by industry and the areas under deposits of polluting fly ash is a key objective that lies in the attention of scientists for better use of the entire land fund. The experimental results obtained in this sense are particularly promising. Most of the research went on using the ash dumps by biological fixation with vegetation and by binding and using a specific agricultural technique. Therefore, recultivation and fixation of fly ash dumps targets to protect the environment and reduce air pollution with dust from the ashes, i.e. to harness economic areas occupied by dumps.
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Purnama, Muhammad Fajar, Slamet Budi Prayitno, Max Rudolf Muskananfola, and Suryanti Suryanti. "Population Densities of Faunus ater and Terebralia sulcata in Areas Affected by Nickel Mining Overburden and Reference Site in the Mangrove Ecosystem of Pomalaa, Southeast Sulawesi." Jurnal Ilmu Pertanian Indonesia 30, no. 3 (2025): 473–82. https://doi.org/10.18343/jipi.30.3.473.
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The Pomalaa mangrove ecosystem in Southeast Sulawesi primarily consists of the gastropods Faunus ater and Terebralia sulcata. The Pomalaa District is the largest nickel mining area in the region, and mining activities have significantly impacted the ecosystem by introducing overburdened sediment waste, visibly affecting the substrate, roots, and stems of mangroves. This research was conducted from June to September 2023 in the mangrove ecosystem of the Pomalaa District. This study examined the density differences of gastropods F. ater and T. sulcata in areas impacted by nickel mining overburden compared to minimally disturbed sites in the Pomalaa mangrove ecosystem, Southeast Sulawesi. Sampling was conducted using purposive and simple random sampling techniques. Gastropod samples were obtained (counted), analyzed for density, and associated with mangrove density in the sampled area. The results showed that the highest densities of F. ater and T. sulcata were found in areas not affected by nickel mining overburden (reference sites) with ranges of 50-153 ind./m2 and 24-57 ind./m2, respectively. In contrast, in the areas affected by overburden, the population densities of the two types of gastropods ranged from 0-11 ind./m2 for T. sulcata and to 0-21 ind./m2 for F. ater) despite having high mangrove densities in several places. The distribution pattern of these two species was in the clumped category. This study found a significant decrease in the density of two typical mangrove slug species in overburden-affected areas compared to the reference sites. Keywords: gastropod, mangrove, overburden, nickel mining, species density
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Purnama, Muhammad Fajar, Slamet Budi Prayitno, Max Rudolf Muskananfola, and Suryanti Suryanti. "Population Densities of Faunus ater and Terebralia sulcata in Areas Affected by Nickel Mining Overburden and Reference Site in the Mangrove Ecosystem of Pomalaa, Southeast Sulawesi." Jurnal Ilmu Pertanian Indonesia 30, no. 3 (2025): 473–82. https://doi.org/10.18343/jipi.30.3.472.
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The Pomalaa mangrove ecosystem in Southeast Sulawesi primarily consists of the gastropods Faunus ater and Terebralia sulcata. The Pomalaa District is the largest nickel mining area in the region, and mining activities have significantly impacted the ecosystem by introducing overburdened sediment waste, visibly affecting the substrate, roots, and stems of mangroves. This research was conducted from June to September 2023 in the mangrove ecosystem of the Pomalaa District. This study examined the density differences of gastropods F. ater and T. sulcata in areas impacted by nickel mining overburden compared to minimally disturbed sites in the Pomalaa mangrove ecosystem, Southeast Sulawesi. Sampling was conducted using purposive and simple random sampling techniques. Gastropod samples were obtained (counted), analyzed for density, and associated with mangrove density in the sampled area. The results showed that the highest densities of F. ater and T. sulcata were found in areas not affected by nickel mining overburden (reference sites) with ranges of 50-153 ind./m2 and 24-57 ind./m2, respectively. In contrast, in the areas affected by overburden, the population densities of the two types of gastropods ranged from 0-11 ind./m2 for T. sulcata and to 0-21 ind./m2 for F. ater) despite having high mangrove densities in several places. The distribution pattern of these two species was in the clumped category. This study found a significant decrease in the density of two typical mangrove slug species in overburden-affected areas compared to the reference sites. Keywords: gastropod, mangrove, overburden, nickel mining, species density
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He, Kuan, Youfeng Zou, Zhigang Han, and Jilei Huang. "Time-Series InSAR Technology for Monitoring and Analyzing Surface Deformations in Mining Areas Affected by Fault Disturbances." Remote Sensing 16, no. 24 (2024): 4811. https://doi.org/10.3390/rs16244811.
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Faults, as unique geological structures, disrupt the mechanical connections between rock masses. During coal mining, faults in the overlying strata can disturb the original stress balance, leading to fault activation and altering the typical subsidence patterns. This can result in abnormal ground deformation and significant damage to surface structures, posing a serious geological hazard in mining areas. This study examines the influence of a known fault (F13 fault) on ground subsidence in the Wannian Mine of the Fengfeng Mining Area. We utilized 12 Sentinel-1A images and applied SBAS-InSAR, StaMPS-InSAR, and DS-InSAR time-series InSAR methods, alongside the D-InSAR method, to investigate surface deformations caused by the F13 fault. The monitoring accuracy of these methods was evaluated using leveling measurements from 28 surface movement observation stations. In addition, the density of effective monitoring points and the relative strengths and limitations of the three time-series methods were compared. The findings indicate that, in low deformation areas, DS-InSAR has a monitoring accuracy of 7.7 mm, StaMPS-InSAR has a monitoring accuracy of 16.4 mm, and SBAS-InSAR has an accuracy of 19.3 mm.
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Wysocka, Małgorzata. "Radon problems in mining and post-mining areas in Upper Silesia region, Poland." Nukleonika 61, no. 3 (2016): 307–13. http://dx.doi.org/10.1515/nuka-2016-0051.
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Abstract The new basic safety standards (BSS) Directive 2013/59/Euratom [1] puts EU member states under an obligation to establish, amongst others, national radon action plans. In order to address the issue of long-term risks from radon exposures, it is important to identify areas where elevated levels of radon can be expected. One of the types of areas affected by an increased migration of radon and by the penetration of radon into buildings are areas in which industrial activity, for example, the exploitation of mineral resources, causes changes in the geological environment. The Upper Silesian Coal Basin (USCB) in Poland is one of the examples. The results of studies conducted in the past have shown that the levels of indoor concentration of radon, to a large extent, depend on the geological structure of the subsurface layers. One of the main factors influencing the migratory abilities of radon are the mining-induced changes of a rock body. We estimate that in specific radon-prone zones, the levels of radon may exceed 300 Bq/m3 in approximately 2% of the dwellings. Another problem that may appear in post-mining areas is linked to the reclamation of radioactively contaminated areas. The complex geology of the strata in USCB, the mining activity that can be observed in the region and, additionally, the discharge of radium-bearing waters into the environment are the most significant factors affecting radon potential and hazard in dwellings in this region. In this paper, problems linked to the detection of radon in the mining area of USCB are presented.
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Bauštein, Milan, Jiřina Száková, Luka Stefanović, Jana Najmanová, Jiřina Sysalová, and Pavel Tlustoš. "Assessment of Mercury Uptake by Plants in Former Cinnabar Mining Areas." Minerals 14, no. 12 (2024): 1211. http://dx.doi.org/10.3390/min14121211.
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Assessment of the plant’s ability to take up mercury (Hg) from polluted soil was affected by location, plant family, and species in two former cinnabar mining areas in the Czech Republic. At each location, seven sampling points were marked out in the vicinity of former shafts and dumpsites connected to the mining activity, where representative soil samples and dicotyledonous plants were collected. The individual locations were characterized by specific plant communities, where, in most cases, different plant species were found within one family at both locations. The total Hg content in the soil, as well as gaseous elemental mercury (GEMsoil-air), confirmed elevated levels of this element in the mining-affected environment, with high variability of the data. The low Hg accumulation ability of plants, especially the low root–shoot translocation in most of the plant species, indicated the predominant occurrence of excluders. Among the families, the results showed the exceptional position of the Fabaceae family regarding soil Hg pollution, as the highest Hg content in both shoots and roots was determined for Onobrychis viciifolia. Therefore, the behavior of Fabaceae plants in polluted soil, the mechanisms of their tolerance to high Hg content, and their Hg accumulation ability deserve further research.
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Zhang, Liya, Pengfei Gao, Zhengzheng Gan, et al. "Surface Subsidence Monitoring of Mining Areas in Hunan Province Based on Sentinel-1A and DS-InSAR." Sensors 23, no. 19 (2023): 8146. http://dx.doi.org/10.3390/s23198146.
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Monitoring the surface subsidence in mining areas is conducive to the prevention and control of geological disasters, and the prediction and early warning of accidents. Hunan Province is located in South China. The mineral resource reserves are abundant; however, large and medium-sized mines account for a low proportion of the total, and the concentration of mineral resource distribution is low, meaning that traditional mining monitoring struggles to meet the needs of large-scale monitoring of mining areas in the province. The advantages of Interferometric Synthetic Aperture Radar (InSAR) technology in large-scale deformation monitoring were applied to identify and monitor the surface subsidence of coal mining fields in Hunan Province based on a Sentinel-1A dataset of 86 images taken from 2018 to 2020, and the process of developing surface subsidence was inverted by selecting typical mining areas. The results show that there are 14 places of surface subsidence in the study area, and accidents have occurred in 2 mining areas. In addition, the railway passing through the mining area of Zhouyuan Mountain is affected by the surface subsidence, presenting a potential safety hazard.
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Radim, Vácha, Vysloužilová Markéta, and Čechmánková Viera Horváthová and Jarmila. "Risks Following from Husbandry on Agricultural Soils in Loaded Areas of the Czech Republic." Soil and Water Research 1, No. 3 (2013): 108–16. http://dx.doi.org/10.17221/6512-swr.
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In the Czech Republic, industrial areas, mining areas and military zones can be found. These areas represent potential risks for the agricultural production from the viewpoint of hygienic standards. The industrial areas and mining areas are the topic of the present study. The industrial areas are combined with present or past mining activities in the Czech Republic in most cases. The widest industrial areas located in North-Bohemian and North-Moravian regions were based on the mining of brown and black coal. North-Bohemian region was affected by the combustion of brown coal in the power stations during many years and the region was a part of the Middle-European area called black triangle. The problems with increased contents of risky elements (mainly As from brown coal combustion) and persistent organic pollutants in the soil are documented. North-Moravian region with the mining of black coal is typical with its industrial metallurgical activities. Increased contents of Cd and persistent organic pollutants-POPs (mainly polycyclic aromatic hydrocarbons-PAHs and dibenzo-p-dioxines and dibenzofurans-PCDD/F) in the soils of the region are a topical problem. In addition to this fact, mainly native soil owners use the soil for husbandry (gardens, crofts). The contents of risky elements and POPs (including PCDD/F) in selected soil samples from the area are documented. Next area of a similar kind is represented by the Příbram district where the mining and treatment of the ores has been under way since Middle Ages. The serious contamination of the agricultural soils by Pb, Cd, and Zn was and still is being solved by research projects. The contamination of the soil by As in the Kutná Hora district represents a typical past mining load caused by the spread of mining wastes on the soils in the vicinity of the medieval mining town Kutná Hora. The last type of the increased soil load presented is connected with fluvial zones of some rivers. The floods by contaminated water were the source of the soil contamination.
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Wang, Wen, Fan Wang, Xiaowei Lu, Jiandong Ren, and Chuanjiu Zhang. "Mechanical Characteristics of Suspended Buried Pipelines in Coal Mining Areas Affected by Groundwater Loss." Applied Sciences 14, no. 16 (2024): 7187. http://dx.doi.org/10.3390/app14167187.
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Research on the deformation characteristics and failure modes of buried pipelines under local suspension conditions caused by groundwater loss in coal mining subsidence areas is conducive to grasping the failure evolution law of pipelines and providing technical support for the precise maintenance of gathering and transportation projects and the coordinated mining of gas and coal resources. First, a test system for monitoring the deformation of pipelines under loading was designed, which mainly includes pipeline load application devices, end fixing and stress monitoring devices, pipeline end brackets, and stress–strain monitoring devices. Then, a typical geological hazard faced by oil and gas pipelines in the gas–coal overlap area—local suspension—was used as the engineering background to simulate the field conditions of a 48 mm diameter gas pipeline with a localized uniform load. At the same time, deformation, top–bottom strain, end forces, and damage patterns of the pipeline were monitored and analyzed. The results show that the strain at the top and bottom of the pipeline increased as the load increased. In this case, the top was under pressure, and the bottom was under tension, and the conditions at the top and bottom were opposite.. For the same load, the strain tended to increase gradually from the end to the middle of the pipeline, and at the top, it increased significantly more than at the bottom. The tensile force carried by the end of the pipeline increased as the applied load increased, and the two were positively correlated by a quadratic function. The overall deformation of the pipeline evolved from a flat-bottom shape to a funnel and then to a triangular shape as the uniform load increased. In addition, plastic damage occurred when the pipeline deformed into a triangular shape. The results of the investigation clarify for the first time the mathematical relationship between local loads and ultimate forces on pipelines and analyze the evolution of pipeline failure, providing a reference for pipeline field maintenance. Based on this, the maximum deformation of and the most vulnerable position in natural gas pipelines passing through a mining subsidence area can be preliminarily judged, and then the corresponding remedial and protection measures can be taken, which has a certain guiding role for the protection of natural gas pipelines.
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De Luca, Domenico Antonio, Neha Mehta, Manuela Lasagna, Giovanna Antonella Dino, and Arianna Bucci. "Quality of water in two areas affected by past mining activities in alpine context." Rendiconti Online della Società Geologica Italiana 47 (March 2019): 68–72. http://dx.doi.org/10.3301/rol.2019.13.
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Mergulhão, Adália Cavalcanti do Espírito Santo, Hélio Almeida Burity, Bruno Tomio Goto, and Leonor Costa Maia. "Diversity of arbuscular mycorrhizal fungi in a gypsum mining impacted semiarid area." Acta Botanica Brasilica 24, no. 4 (2010): 1052–61. http://dx.doi.org/10.1590/s0102-33062010000400020.
Full textAbstract:
The aim of this work was to evaluate the impact of gypsum mining on the occurrence and diversity of arbuscular mycorrhizal fungi (AMF). Soil samples were collected in the rainy and dry periods in four areas of a gypsum mine: native preserved "caatinga" (NC); mine vicinity (MS); reject area (RA); interface between the reject area and an area of "caatinga" degraded by mining (IN). Forty two plant species were identified in these areas; some were not found in both collection periods. Thirty six taxa of AMF were identified: 31 in the rainy and 31 in the dry period, with different species composition. Mining activity reduced diversity of plants and of AMF in the three mining areas when compared to NC. Plant similarity indexes were low between NC and the degraded areas. Similarity among AMF species was lower in the rainy period and between NC and the ones affected by mining. Glomus intraradices, Glomus sp.1 and Paraglomus occultum were the most common AMF, showing tolerance of edaphic conditions in the impacted areas. These species should be further tested in programs of revegetation of similar gypsum mining degraded areas.