what is land survey in terms of coal mining

A brief review paper on mining subsidence and its geo
2023.4.25 Land use/Land cover changes are the distinctive phenomenon of mining subsidence. Surface subsidence is a most important phenomenon with the emerging of underground mining and begins to affect the larger portion of areas. Mining subsidence is the most important research topic in the field of environmental monitoring.
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Influence of land use change on habitat quality: a case study of coal ...
2024.5.10 Revealing the spatiotemporal evolution characteristics and key driving processes behind the habitat quality is of great significance for the scientific management of production, living, and ecological spaces in resource-based cities, as well as for the efficient allocation of resources. Focusing on the largest coal-mining subsidence area in Jiangsu
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Evaluation of eco-environmental quality for the coal-mining
2022.4.22 The high-intensity mining area (previously mined area of Ili No.4 Coal Mine) has the worst ecological environment quality, followed by the coal reserve area of Ili No.4 Coal Mine and the...
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A new indicator for estimating the degree of mining-induced land ...
2024.1.3 Underground longwall coal mining alters the initial stress regime of overlying rock strata (overburden), leads to the collapse of highly jointed rock mass or the bending of intact layers, and...
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Quality evaluation of land reclamation in mining area based
2023.7.25 Coal resources are increasingly mined annually, which inevitably collapses, pollutes, and damages land resources, due to regular excavation. Continuous exploitation of mineral resources has caused long-term and serious negative impacts on land resources and the ecological environment in and around mining areas (Fernández
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Eco-environmental assessment model of the mining area in
2021.9.2 After comparing the accuracy of various methods, the support vector machine (SVM) model, with an accuracy of 94.8%, was chosen for the mining area, and the classification and regression tree (CART ...
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Monitoring, Analyzing, and Modeling for Single
2021.2.9 Abstract. Excessive exploitation of underground mine resources has caused serious land subsidence in China. This paper focused on monitoring and modeling the single subsidence basin in coal mining
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Assessment of Risks Relevant to Underground Measurements for Coal ...
2019.10.14 However, underground measuring or surveying activities are one of the main concerns in underground mining, such as gaining land proprietary rights relevant to mining, definition and exploration of underground mine subsidence caused by mining, underground safety and performing mining activities in compliance with land usage
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Frontiers Surface Environmental Evolution
2022.5.13 ORIGINAL RESEARCH article. Front. Earth Sci., 13 May 2022. Sec. Environmental Informatics and Remote Sensing. Volume 10 - 2022 doi/10.3389/feart.2022.790737. Surface Environmental
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(PDF) The impact of coal mining activities on land
2021.9.16 The studies reflect that coal mining disrupt the structure of terrain, removes the land cover, reduces biodiversity, destroys the livelihood of the local inhabitants.
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Surveying in the Mining Sector GIM International
2018.1.12 The diopter can be regarded as the ancient predecessor of the theodolite. The first land surveys can be traced back even further in time, to approximately 3,000 years ago when Egyptian surveyors divided up
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Evaluation of eco-environmental quality for the coal-mining
2022.4.22 The high-intensity mining area (previously mined area of Ili No.4 Coal Mine) has the worst ecological environment quality, followed by the coal reserve area of Ili No.4 Coal Mine and the planned ...
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The speed, scale, and environmental and economic
2021.10.1 A case in point is the Mongolian Plateau, which is the largest surface coal mining region of the world (Fig. 1), but has not been studied as a whole on the scope and speed of coal mining and its environmental and socioeconomic impacts.The plateau covers an area of approximately 2.6 million square kilometers (i.e., 260 million ha), constituting
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Coal mining - Prospecting, Exploration, Mining Britannica
Coal mining - Prospecting, Exploration, Mining: The fundamental objective of coal prospecting is to discover coal resources through a search. In areas where coal mining has not been previously practiced, the search process should result in obtaining coal samples that give reasonable evidence of the existence of a coal seam. Once a seam has been
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Monitoring of Land Cover and Vegetation Changes in Juhugeng Coal Mining ...
2023.7.7 Coal is the most prevalent energy source in China and plays an important role in ensuring energy security. The continuous monitoring of coal mining activities is helpful to clarify the incremental space of coal production and establish a rational framework for future coal production capacity. In this study, a multi-source remote sensing approach
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coal mining - British Geological Survey
The Coal Measures comprise a repeating sequence of sandstone, mudstone, siltstone and coal seams, many of which have been mined to various extents and by a variety of methods since the 16th century. The Coal Authority web viewer shows the extent of the Development High Risk Area in Gateshead. Please note that, whilst this viewer provides a ...
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Coal and Coal Mining
A four foot coal bed is overlain by 75 feet of overburden: calculate overburden volume using an area of 1 yard long by 1 yard wide: 75 ft./3 ft. per yard = 25 yards depth volume = 25 yds. depth x 1 yd. wide x 1 yard long volume = 25 cubic yds. of overburden. calculate volume of coal in 1 yd. by 1 yd area (convert yds. to ft.)
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Assessment of Risks Relevant to Underground Measurements for Coal ...
2019.10.14 In underground mining establishments and in all processes of underground coal mining from investigation activities to production activities, geodetic measurements and the plans, maps and profile information that are obtained after the survey are all needed. All geodetic works and transactions made for underground coal mines
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Identification of sources and analysis of spatial ... - Springer
2024.2.20 The mining and utilization of coal resources has not only promoted rapid economic development but also poses a potential threat to the ecological environment. The purpose of this study is to clarify the effects both of mining and land use types on the spatial distribution and particular sources of heavy metals in soil, using inverse distance
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What is a Coal Mining and When do I need one?
2020.2.11 Why is a Coal Mining necessary? When you are buying a house, your lawyer may consider it is necessary to carry out a mining search. The purpose of this search is to find out if there is any likelihood of mining activity having been carried on beneath the property you are looking at or in the nearby area.. Buyers often question why
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The application of modern surveying technology in mining survey
2008.7.13 With the unceasing appearance and widespread application of new surveying technology, the present age mining survey has meet huge change. However, lots of problems occurred while using the new techniques since the number of mine is large in China and condition of the mine district is complex, it in some sense influenced the mine
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Coal Mining Terms Dictionary The Coal Fields™
The Coal Fields™ is a resource for locating where coal leases are and have been. Discover coal mining activity in your area and find new regions of opportunity. Information hosted on The Coal Fields™ is based on publicly available data through the Bureau of Land Management. The Coal Fields™ accepts no liability for the content of this ...
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A new indicator for estimating the degree of mining-induced land ...
2024.1.3 Underground coal mining leads to land subsidence, which, in turn, results in damage to buildings and infrastructure, disturbs the original ecological environment, and hinders the sustainable ...
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Research trends in mining accidents study: A systematic
2021.11.1 6. Conclusion. The SLR examined research trends in mining accidents issues between 2015 and 2019 and successfully developed four main themes. These consist of the main causes of accidents (46%), and the prevention (20%), challenges (17%) and impacts of post-mining accidents (17%).
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Monitoring, Analyzing, and Modeling for Single Subsidence Basin in Coal ...
2021.2.9 Excessive exploitation of underground mine resources has caused serious land subsidence in China. This paper focused on monitoring and modeling the single subsidence basin in coal mining area based on SAR interferometry (InSAR). The optimum InSAR processing strategy to monitor the mining subsidence was built to obtain the land
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What is Mining Surveying? Instruments used in Mining
2022.2.1 Mining survey is the process of collecting data about the mineral resources present in a particular area. The data collected is used to make informed decisions about mining operations in the area. Mining survey is an important part of the mining process. It helps companies to identify the locations where they can extract coal, oil or other ...
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Coal Mining, Kentucky Geological Survey, University of
2023.1.5 Coal Mining. According to the Kentucky Department of Mines and Minerals, 131.8 million tons of coal was mined in Kentucky in 2000; 62 percent (81 million tons) was from underground mines and 38 percent (50 million tons) was from surface mines. There were 264 active underground mines and 240 active surface mines in Kentucky in 2000.
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Does coal mining benefit local communities in the long run?
2021.6.1 Fig. 1 shows current land use patterns and the growing area covered with coal mines. Queensland land use data (Queensland Government, 2019a) were combined with three coal mining spatial data sets, each of them corresponding to a different stage in the coal mining expansion:1. Fig. 1 A: Information on current land use types (2016) was
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Impact of ground surface subsidence caused by underground coal mining ...
2023.11.7 According to the results of graphic constructions, the boundary of the impact zone of mining operations when mining the coal seam with longwall face No. 1065, which mines the coal seam c 10 v, is ...
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Dynamic Monitoring and Analysis of Mining Land
2023.7.30 Aiming at the land subsidence problem caused by multiple coal seam mining in the Ehuobulake Coal Mine, this paper, considering the geological conditions of the first and fifth layers of coal, adopts the method of combining FLAC3D numerical simulation and SBAS-InSAR technology to analyze the dynamic evolution law of land subsidence
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Frontiers Surface Environmental Evolution
2022.5.13 The exploitation of mineral resources is crucial for cost-effective construction but has also led to severe damage to the ecological environment in mining areas. Therefore, it is particularly important to
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[PDF] Impacts of Coal mining: a Review of
2017.4.30 This review presents a systematic synthesis of the various methods and measures that have been used to investigate the effects of coal mining in India. A total of 87 peer-reviewed articles were collected
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Glossary of Mining Terms - Coal Education
2018.1.4 Glossary of Mining Terms. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of ...
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Eco-environmental assessment model of the mining area in
2021.9.2 After comparing the accuracy of various methods, the support vector machine (SVM) model, with an accuracy of 94.8%, was chosen for the mining area, and the classification and regression tree (CART ...
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South African Coal Mining Techniques Methods, Impact
2023.6.12 It involves creating underground tunnels and chambers to access and extract the coal. The two main underground mining methods used in South Africa are: 4.2.1. Room and Pillar Mining. Room and pillar mining is a method where coal is extracted in a series of rooms, leaving pillars of coal to support the roof.
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Coal mining - FutureCoal
Longwall mining involves the full extraction of coal from a section of the seam, or ‘face’ using mechanical shearers. The coal ‘face’ can vary in length from 100-350m. Self-advancing, hydraulically-powered supports temporarily hold up the roof while coal is extracted. When coal has been extracted from the area, the roof is allowed to ...
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Suitability evaluation of land reclamation as arable land in coal ...
2023.4.24 Niumasi Coal Mine (located in Shaodong City, Hunan Province, China) was an important producing area of high-quality coking coal in Hunan Province. After large-scale mining of underground coal seams in the area, there has been a large area of surface subsidence and serious land damage. The damaged land urgently needs to be
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Analysis of ground subsidence in coal mining area using SAR
2008.10.31 This study presents the application of interferometric synthetic aperture radar (InSAR), small baseline subset (SBAS) algorithm and GIS for subsidence analysis in a mining area located at Gangwon-do, Korea. Several mining areas at the Samchuk coalfield had operating coalmines until 2002–2003. Ground deformation has occurred as a form of
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Environmental impact and health risk assessment due to
2023.9.28 The health implications of coal mining and utilization are considerable and diverse. Exposure to particulate matter, heavy metals, and other harm-ful pollutants from coal-related activities can result in respiratory diseases, cardiovascular issues, and even long-term chronic health conditions.
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