IJERPH | Free Full-Text | Analysis of Plant and Soil …
Vegetation and soil restoration are the key to ecological reconstruction in the damaged areas of open-pit coal mining areas. Ecological stability is an important indicator of the degree of ecological …
Evaluation of carbon dioxide geological sequestration …
This study established the constitutive equations of CO 2 sequestration capacity for unexploited deep coal seams, residual coal in producing and abandoned …
The Appalachian Coalfield in Historical Context | SpringerLink
Appalachia is a vast and varied region, with history, culture, communities, and natural resources that extend well beyond coal. Within coal-mining areas, …
Renew mineral resource-based cities: Assessment of PV potential in coal
The development of PV electricity in coal mining areas is crucial to the development of PV industry and the transformation of resource-based cities [18]. At the end of 2013, the government of Datong, Shanxi Province began to construct PV power facilities in the coal mine area, and it started to generate electricity and connect to the national ...
Coal mine area monitoring method by machine learning …
Fig. 7 displays the application of the TR-ML-ELM in other coal mining areas. Fig. 7 (a) is the Heidaigou coal mining area, the initial imagery was collected on Aug. 26, 2017. Fig. 7 (b) is the Saraji coal mining area, the original image was collected on Feb. 1, 2018. Comparing the two images with the original images and the actual data, we can ...
Environmental impact and health risk assessment due to coal …
These papers focus on five different topics: (1) Geology and Geochemistry of Coal, (2) Coal Mining Areas on Groundwater, (3) Human Health Risk Assessment, (4) …
A new technical pathway for extracting high accuracy surface
The Yushen mining area, a mega coal base in western China, was selected as the study area. The study area has an undulating topography and a vegetation cover of 10% to 40%, which is typical of a wind-accumulated landform. In this study area, above the 132,201 working face of the Xiaobodang coal mine, the research team …
Anguilla Coal Mining Areas
Anguilla Coal Mining Areas. Walk into Buxton''s Coal Mining Past. ... 01/05/2021 · Up to 2017, the ecological risk has been on the rise and the main source of coal mine areas is the environmental disturbance brought by mining production with a spreading trend, while the pollution risk caused by residents'' life is relatively low but the scope ...
Coal mine area monitoring method by machine learning and …
The recognition results show that the model can extract the coal and gangue areas well, and the method can monitor the coal extraction of the mining area at any …
Geochemical characteristics of dissolved rare earth elements …
The exploitation and utilization of coal resources lead to the exposure of sulfide minerals to air and water. Oxidation of sulfides (mainly pyrite, FeS 2) in abandoned mines, gangue piles, open pits, and tailing dams produces acid mine drainages (AMD) with low pH, high concentrations of sulfate and heavy metals that may cause continuous …
Combined prediction model for mining subsidence in coal mining areas
Alluvial soil plays an important role in ground subsidence caused by coal mining and groundwater extraction. Field-measured data show that when a coal mining area is covered with thick alluvial soil, mining subsidence in these areas shows some unique phenomena (Zhou 2014; Zhou et al. 2015, 2016a).For example, the subsidence …
Five largest coal mines in South Africa in 2020
Here are the five largest coal mines by production in South Africa, according to GlobalData's mining database. 1. Grootegeluk Mine. The Grootegeluk Mine is a surface mine located in Limpopo. It is owned by Exxaro Resources and produced an estimated 28.864 MTPA of coal in 2020. The mine will operate until 2040.
Mine games in Sundargarh, Odisha where coal mines are on …
For instance, land acquisition for coal mining by the government is carried out under the The Coal Bearing Areas (Acquisition and Development) Act, 1957, which pre-dates the Provisions of the Panchayats (Extension to Scheduled Areas) Act, 1996, commonly known as PESA, by almost 40 years.
Ecological resilience assessment of an arid coal mining area …
The study of ER in mining areas is different from other fields of research, more complex and diverse. Also, it is necessary to consider the elements of the overground ecological environment and also the study of ER is inseparable from the elements of underground coal mining (Yan and Zhao, 2009, Wang and Li, 2014, Grant, …
Comprehensive evaluation of ecological environment quality of mining
By the end of 2018, the coal mining subsidence area has accumulated more than 300 × 104 km 2 and caused more than 90 billion RMB of economic losses, and the coal mining subsidence area is still growing at the rate of 3–5 km 2 per year or 0.2 km 2 per ten thousand tons of coal. The main method of environmental governance in …
Coal's legacy in Appalachia: Lands, waters, and people
Mining and reclamation covers the surface of coal-mined areas with soil-like materials called mine soils. Natural soils have developed over millennia based on parent …
Assessment of heavy metal distribution and bioaccumulation …
In the coal mining area, source distance and depth distribution greatly impacted soil pH, EC, and SOC concentration across all sampling sites, as shown in Table 2. Soil pH, EC, and SOC increased with soil depth, while SOC decreased with increasing soil depth. Specifically, except for S-2 and S-4, which had acidic soil pH, the remaining …
Sustainability | Free Full-Text | Spatial Patterns, Possible …
Intensive mining activities in large-scale opencast coal mines have had a significant impact on the local environment. Elements that are potentially harmful to the environment are brought to the surface from deep underground, altering the geochemical conditions for their transport and redistributing them to the surface, causing serious local …
Pollutant source, ecological and human health risks
In the Zhundong mining area, the main source of Hg was coal combustion, with a contribution rate of 89.28% from coal combustion and 1.33% from transportation. Transportation (Dim.5) was the main source of Pb by contributing 40.28%, while coal dust contibuted 5.24% of Pb.
Coal mining data: development high risk areas
Details. This document contains metadata about the development high risk areas dataset, which includes: When using the Coal Authority interactive map viewer the metadata will provide further ...
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 …
Remote Sensing | Free Full-Text | A New …
In western China, especially in the sandy areas, surface cracks are one of the geological environmental problems caused by coal mining [].Surface cracks have caused deformation of buildings, damage to underground …
Characterization of heavy metals in coal gangue
The Huainan coal mining area is a typical coal mining area with high phreatic water level, and water accumulation in the coal-forming subsidence areas is serious (Yao et al., 2010). The long-term water-rock interaction between water and gangue might lead to migration and transformation of heavy metals, causing heavy metal …
Monitoring, Analyzing, and Modeling for Single Subsidence Basin in Coal
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 …
Interactive Map Viewer | Coal Authority
The data available in the Coal Mining Data theme of the Interactive Map contains Coal Authority information © The Coal Authority, 2023. These data are visible at a local scale …
Buying a House in a Mining Area
Buying a House in a Coal Mining Area. Coal was the most commonly worked material in the UK and even as late as 1981, the country was producing 128 million tonnes of coal a year. According to Groundsure, coal mining can cause subsidence, surface collapses, mass movement and landslides, depending on the style of mining used.
Analysis of ground subsidence in coal mining area using …
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 …
Soil Quality in Rehabilitated Coal Mining Areas
The rehabilitation of coal extraction mine areas aims to integrate the affected surfaces into the surrounding landscape and to promote the recovery of former soil functions [].The recovery of degraded areas is one of the key points of the United Nations' effort against desertification [].In some cases, the original soil has disappeared (in our …
Evaluation of carbon dioxide geological sequestration potential in coal
Therefore, the mining area's coal recovery rate, mine recovery rate, and the residual coal reserves of the producing coal reserves are 84.87%, 68.79%, and 251.97 million tons, respectively. By the end of 2020, seven coal mines (AM.1–AM.7) in the research area had been abandoned (Fig. 2).
(PDF) The resource potential of Coal in Ethiopia
Here, we investigated the application of leftover coal, which was collected from Ethiopian coal mining areas, as an adsorbent for the removal of phosphate from …