Community-Engaged Research Projects In School Settings: Science Teachers’ Practices And Reflections,
2025
Santa Clara University
Community-Engaged Research Projects In School Settings: Science Teachers’ Practices And Reflections, Won Jung Kim
Teacher Education
Community-engaged research (CER) is a justice-oriented research paradigm that emphasizes equitable and reciprocal knowledge co-production with community members and organizations, sharing power, benefits, contributions, and responsibilities among all participants. This study explores nine teachers’ cases of facilitating CER projects in their respective school settings, aimed to support students’ critical consciousness and action for environmental issues and injustices. This study contributes to educational research by adapting an existing framework for CER for environmental justice that can guide K-12 teaching and research on it. By analyzing data from teacher community meetings and individual interviews in the CER framework, this study articulates classroom …
An Attempt To Determine The Strong Tremors Causes During Longwall Mining Of Destressed Bottom Layer Of A Thick Coal Seam,
2025
Polish Mining Group, Ruda Hard Coal Mine, Poland,
An Attempt To Determine The Strong Tremors Causes During Longwall Mining Of Destressed Bottom Layer Of A Thick Coal Seam, Rafał Pakosz, Łukasz Wojtecki, Maciej J. Mendecki, Agnieszka Krzyżanowska
Journal of Sustainable Mining
The sequence and method of coal seam mining can significantly minimize the risk of rock bursts. The planning of exploitation in the Bielszowice part of the Ruda Hard Coal Mine involves maximizing the destress effect associated with the mining of adjacent coal seams or layers of thick coal seams. Longwall mining of destressed coal seams is characterized by much lower seismic activity; however, even during such mining, high-energy tremors may occur. This article analyzes the seismic activity accompanying the mining of longwall panels in the bottom and top layers of thick seam No. 510 and seam No. 507 in the …
Optimizing Underground Construction And Plan Management For The Mong Duong Coal Mine, Vietnam,
2025
Faculty of Mining, Hanoi University of Mining and Geology, Vietnam
Optimizing Underground Construction And Plan Management For The Mong Duong Coal Mine, Vietnam, Phi Hung Nguyen, Thi Kim Thanh Nguyen, Duc Hung Pham, Quang Phuc Le, Thai Tien Dung Vu
Journal of Sustainable Mining
Mong Duong mine’s output objective is 1.5 million tons, which requires approximately 10,000 m of tunnel excavation each year. Because of the complicated geological features, the actual work is vastly different, necessitating regular changes in design and technical approaches, as well as plans for material supply, money, and staff. On the other hand, office personnel visit the construction site to update the work status after each report, and the department head and board of directors make choices on development and execution. This process takes time because it is carried out manually. As a result, a solution to support the optimization …
Spatiotemporal Variation Of Vegetation Cover In Mining Areas Of Ysr Kadapa District, Andhra Pradesh Using Remote Sensing And Gis,
2025
Dept. of Mining Engineering, Godavari Institute of Engineering and Technology (A), Rajahmundry, Andhra Pradesh, India
Spatiotemporal Variation Of Vegetation Cover In Mining Areas Of Ysr Kadapa District, Andhra Pradesh Using Remote Sensing And Gis, Vinod Kumar Yarlanki, Prudhvi Raj Muppala, Prem Kumar Yasam, Balaji Gollapudi, Sumanth Moddu, Appanna Besta
Journal of Sustainable Mining
The spatiotemporal variation of vegetation cover in the mining areas of YSR Kadapa district, Andhra Pradesh, using Remote Sensing and GIS techniques. By focusing on the years 2014, 2018, and 2023, the analysis provides insights into changes observed in water bodies, bare soil, sparse vegetation, moderate vegetation, and dense vegetation. The results reveal dynamic trends in land cover categories, highlighting the environmental impact of mining activities in the region. A significant decline in water bodies is observed, with the area reducing from 3.48 km2 in 2014 to 1.91km2 in 2023. This decrease raises concerns about the potential degradation …
Assessing The Perception Gap: Mining Impacts From Community And Company Perspectives In Nigeria,
2025
CIM Environmental Services, Nigeria,
Assessing The Perception Gap: Mining Impacts From Community And Company Perspectives In Nigeria, Ikechukwu Mbachu
Journal of Sustainable Mining
The study intends to evaluate how mining companies and their host communities perceive the impacts of mining operations and to ascertain if there are significant differences in how both parties perceive the impacts of mining in Nigeria. The study was carried out in twelve states in Nigeria and covered the six geopolitical zones in Nigeria. Data was collected through a questionnaire and interviews carried out separately with community members and company representatives. The study investigated ten categories of mining impacts such as socioeconomic, environmental, health, physical and so on. To gauge the perceptions of the respondents on the different impact …
Effect Of Depth And Particle Size On Spontaneous Combustion Of Coal In Deep Underground Mines Of Jharia Coalfield,
2025
CSIR – Central Institute of Mining and Fuel Research, Barwa Road Campus, Dhanbad-826001, Jharkhand, India
Effect Of Depth And Particle Size On Spontaneous Combustion Of Coal In Deep Underground Mines Of Jharia Coalfield, Debashish Mishra, D.P. Mishra, N K Mohalik, S K Ray, J K Pandey
Journal of Sustainable Mining
Since their inception, the deep mines have faced the challenges of spontaneous heating and fire. The study examines the impact of coal seam depth and particle size on the spontaneous combustion of coal. A spontaneous heating study of seven coal samples shows moisture, volatile matter, and ash do not exhibit any clear trend except for fixed carbon, which shows a direct relationship. However, crossing point temperature (CPT) and thermo-gravimetric (TGignition) temperature reveal an inverse relationship between spontaneous combustion and the depth of the coal seam. Five size ranges: < 106, 106–212, 212–425, 425–2000, and 0–212 µm are studied, which displayed an increase in mean specific surface area (SSA) by 87% and a decrease in …
Mineralogical Analysis And Beneficiation Assessment To Unlock The Lithium Potential In Kenticha Pegmatite Ore,
2025
Mineral Industry Development Institute, Ministry of Mines, P.O. Box 486, Addis Ababa, Ethiopia
Mineralogical Analysis And Beneficiation Assessment To Unlock The Lithium Potential In Kenticha Pegmatite Ore, Gutema Mekonen, Mulugeta Sisay, Goitom Gebreyohannes
Journal of Sustainable Mining
Lithium is utilized in various industries, especially currently Lithium-ion batteries are employed in electric vehicles and portable electronic devices as an energy source, in pharmaceutical industries, aerospace applications, glass and ceramics production, lubricants and greases, air purification systems, nuclear power, and aluminum production. The Kenticha pegmatite ore deposit in Ethiopia holds potential, and this study analyzed the mineralization of Kenticha spodumene ore and assessed its suitability for beneficiation by employing X-ray diffraction (XRD), Atomic Absorption Spectroscopy (AAS), and petrographic microscope analysis. The study determined the mineral composition, average composition, and texture of spodumene pegmatite ore for spodumene concentrate liberation. Based …
Potential Impact Of Coal Mining And Use For Electricity Generation In Brazil On Global Warming.,
2025
Center for Mineral Technology, Coordination of Metallurgical and Environmental Processes, Brazil
Potential Impact Of Coal Mining And Use For Electricity Generation In Brazil On Global Warming., Marisa Nascimento, Paulo Sergio Moreira Soares
Journal of Sustainable Mining
The study aims to evaluate the potential contribution of coal production for electric power generation in Brazil to greenhouse gases (GHG) emissions, applying life cycle assessment (LCA). The product system studied consists of mining, transportation of the coal to the power station, and power generation. The LCA was first developed only for coal mining in Brazil. Secondly, it was enlarged to include transportation of the coal domestically produced, the hard coal imported, and power generation (Integrated System BR). In the mining stage in Brazil (Brazilian coal), the contribution to the global warming potential was estimated at 237 kg of CO …
Determination Of The Liberation Size Of Mekaneselam Iron Ore In The Southern Wollo Zone, Northern Ethiopia: Implications For Beneficiation,
2025
Mineral Industry Development Institute, Ministry of Mines, P.O. Box 486, Addis Ababa, Ethiopia
Determination Of The Liberation Size Of Mekaneselam Iron Ore In The Southern Wollo Zone, Northern Ethiopia: Implications For Beneficiation, Getahun Meseret, Bisrat Kebede, Belayneh Digafe
Journal of Sustainable Mining
Previous investigations in the target area primarily focused on ore genesis or the geological formations of the ore deposit, neglecting the specific beneficiation aspects associated with the ore. Due to gaps with respect to beneficiation aspects,the research aimed to determine the liberation size of the target iron-bearing ore mineral through mineralogical identification, chemical composition analysis, and examination of the particle size distribution. In this study, various methods were employed, including atomic absorption spectrometry (AAS), X-ray fluorescence (X-RF), X-ray diffraction (XRD) analysis, and sieve analysis. The chemical composition analysis of Mekaneselam iron ore revealed significant amount of 16.55–77.59 % Fe2O3, 7.31–59.02% …
Leveraging Intrinsic Properties For Classification Of Coal Seams Towards Spontaneous Combustion Proclivity And Predicting Susceptibility Using Machine Learning: Smart And Sustainable Mining Approach,
2025
Department of Mining Engineering, Indian Institute of Technology (ISM), Dhanbad, India
Leveraging Intrinsic Properties For Classification Of Coal Seams Towards Spontaneous Combustion Proclivity And Predicting Susceptibility Using Machine Learning: Smart And Sustainable Mining Approach, Siddhartha Agarwal, Pradeep K. Gautam, Yuhao Zou, Rishabh Dwivedi, D.C. Panigrahi, C. Dagli, Atul Singh
Journal of Sustainable Mining
Mine fires and other hazards caused by spontaneous coal combustion are a pervasive and longstanding issue in Jharia coalfields, India. This study proposes a novel approach to classify coal seams based on their propensity to spontaneous combustion using the intrinsic properties of 30 coal samples from different seams. This method eliminates the need for expensive and time-consuming experimental determinations of susceptibility indices (SI) such as crossing point temperature (CPT), critical air blast (CAB), and differential thermal analysis (DTA). All clustering models, viz. hierarchical, k-means, and multidimensional scaling, aptly classify coal seams into three categories: highly risky, medium risky, and low …
A Dynamic Intuitionistic Fuzzy Group Decision Analysis For Sustainability Risk Assessment In Surface Mining Operation Projects,
2025
Deputy of Research and Development, Mobin Mining & Road Construction Company, Tehran, Iran
A Dynamic Intuitionistic Fuzzy Group Decision Analysis For Sustainability Risk Assessment In Surface Mining Operation Projects, Mohammad Panahi Borujeni, Arash Behzadipour, Hossein Gitinavard
Journal of Sustainable Mining
With the increasing advancement of technology and science in the fields of engineering, different industries have different benefits that can help the global community in areas related to social, environmental, and economic requirements. The mining industry is one of the suitable sources of wealth production in different societies, which leads different societies to appropriate profitability. In this regard, one of the challenges facing managers and decision-makers is not related to financial challenges and risks. This research uses the dynamic intuitionistic fuzzy entropy method to compute the criteria weights, and the dynamic intuitionistic fuzzy maximizing similarity (DIF-SM) approach to compute the …
An Automated Integrated Web-Based Smart Tool For Open Stope Design,
2025
Earth & Environmental Sciences, Los Alamos National Laboratory, Los Alamos, NM, USA
An Automated Integrated Web-Based Smart Tool For Open Stope Design, Yerkezhan Madenova, Fidelis Suorineni, Shuai Xu
Journal of Sustainable Mining
The Stability Graph is a widely used tool for the design of open stopes in underground mining. Many users of the Stability Graph still apply this design method manually. Although the manual approach has benefits, using multiple graphs and stability number computation charts for each stope surface is time-consuming, even for the experienced mining engineer. Current practice in the use of the method also limits data sharing. This paper presents a StopeSoft web-based tool for open stope stability prediction that is developed on the basis of the Stability Graph method and is available at openstope.com. StopeSoft incorporates flexibility in terms …
Carbon Capture Deployment In U.S. Upstream Oil Fields: Engineering Feasibility And National Impact,
2025
Eastern Illinois University
Carbon Capture Deployment In U.S. Upstream Oil Fields: Engineering Feasibility And National Impact, Rebecca Gaisie
Student Research Submissions
The upstream oil and gas sector is a major contributor to greenhouse gas emissions in the United States, particularly from extraction and initial processing activities. As the country accelerates its climate action under the Inflation Reduction Act and Net-Zero 2050 targets, carbon capture and storage (CCS) is increasingly viewed as a critical pathway for emissions mitigation in fossil fuel operations. This study investigates the technical and economic feasibility of deploying CCS technologies in U.S. upstream oil fields, using case studies from ExxonMobil-operated sites in Wyoming and Texas. A techno-economic analysis is conducted to evaluate carbon capture potential, energy requirements, infrastructure …
Influence Of Biochar On Rooting And Establishment Of Chamaecyparis And Thuga Species,
2025
Western Kentucky University
Influence Of Biochar On Rooting And Establishment Of Chamaecyparis And Thuga Species, Megan Mudd
Masters Theses & Specialist Projects
This study investigated the effects of biochar amendment on the rooting and establishment of evergreen propagules, thus addressing the critical need for improved nutrient use efficiency and water retention in containerized substrates within the horticulture and floriculture industry. Biochar, a product of biomass pyrolysis, offers promising potential due to its high porosity and surface area, which contribute to enhanced soil fertility and water retention. Two experiments were conducted, one in a greenhouse and the other in a cold frame, using cuttings from Chamaecyparis obtusa, Chamaecyparis pisifera ‘Vintage Gold’, and Thuja occidentalis ‘Emerald Green’. Treatments included varying percentages of biochar …
Projecting The Loss Of Shark Tooth Island From Sea Level Rise And Land Subsidence,
2025
University of Mary Washington
Projecting The Loss Of Shark Tooth Island From Sea Level Rise And Land Subsidence, Katherine L. Stoneman, Holly Anthony
Research and Creativity Symposium
Shark Tooth Island, a popular recreational location on the Virginia side of the lower Potomac River, is disappearing. The causes include sea level rise, groundwater withdrawal, and isostatic adjustment. Given the island’s popularity, this presents a unique opportunity to educate the public about real impacts of climate change in a region with climate change denialism.
The Rhythm Of Renewables: Minute-By-Minute Insights From Kentucky,
2025
PPL R&D
The Rhythm Of Renewables: Minute-By-Minute Insights From Kentucky, David S. Beyerle, Noah M. Stewart, Shaun E. Lavin, Chad C. Alkire, Heather Nikolic, Samuel Kelty, Ezekiel A. Boggs, Declan Boyle, Lawrence E. Holloway, Aron Patrick
Electrical and Computer Engineering Faculty Publications
Kentucky’s renewable energy landscape beats with a distinct rhythm shaped by ever-changing variations in sunlight, wind, rainfall, and the ever-modernizing grid that connects them. This paper analyzes minute-by-minute performance data from seven renewable and storage assets owned and operated by the PPL Corporation in Kentucky, including hydroelectric, solar, wind, and lithium-ion battery systems. Using a full year of synchronized, high-resolution data from multiple sites in the Commonwealth, the study examines daily and seasonal capacity factor trends, explores correlations among generation types, and evaluates their alignment with utility load profiles. Our analysis found 279 hours—about 3.2% of the year—with zero renewable …
Modeling Wild Rice Bed Health: A Dual Metric Approach For Bed Strength And Invasive Impact,
2025
Bemidji State University
Modeling Wild Rice Bed Health: A Dual Metric Approach For Bed Strength And Invasive Impact, Seth Sisneros-Martinez
Journal of Earth and Life Science
Wild rice (mannoomin; Zizania palustris) is an aquatic grain that grows in slow-moving rivers and shallow bays throughout northern Minnesota. In Headquarters Bay on Leech Lake, wild rice has served as a cultural staple for Indigenous communities for centuries. However, its population has declined in recent years due to multiple environmental issues. One potential contributor is Eurasian watermilfoil (Myriophyllum spicatum; EWM), an invasive species that forms dense mats capable of outcompeting native aquatic vegetation, including wild rice. EWM was first recorded on the southern shoreline of Leech Lake in 2005 and has since become widespread. This study …
Seedlings Of Pacific Northwest Plants: A Photographic Guide,
2025
Portland State University
Seedlings Of Pacific Northwest Plants: A Photographic Guide, Gabriel E. Campbell-Martinez, Roxy Olsson
Rae Selling Berry Seed Bank and Plant Conservation Program
This document presents a visual, non-technical field guide of native and exotic/invasive seedlings that grow wild in the Pacific Northwest. It contains over 550 taxa representing a broad range of families and ecosystems, focusing on species that occur in Oregon and Washington. Species were selected to reflect ecological importance, frequency of occurrence, and relevance to land management, restoration, and conservation. It is intended for a broad audience, including restoration practitioners, land managers, botanists, ecologists, students, naturalists, and others interested in identifying plants at early life stages.
The Effect Of Zebra Mussels On Minnesota Fish Communities,
2025
Bemidji State University
The Effect Of Zebra Mussels On Minnesota Fish Communities, Benjamin D. Strei
Journal of Earth and Life Science
Zebra mussels Dreissena polymorpha are an aquatic invasive species that has been spreading quickly throughout Minnesota water bodies since 1989. Zebra mussels are known to change certain morphological conditions in lakes such as turbidity, phytoplankton abundance, and aquatic invertebrate populations. However, studies showing impacts of the infestation of zebra mussels on the health of a fish community have been hard to prove due to a lack of repeated surveys and a suite of other confounding variables such as natural and seasonal variability, plant community, and lake morphometry. Therefore, the objective of this study is to determine whether zebra mussels have …
Sptiotemporal Changes In Aboveground Biomass, Canopy Cover And Livestock Movements Across Mongolia Grasslands,
2025
University of South Dakota
Sptiotemporal Changes In Aboveground Biomass, Canopy Cover And Livestock Movements Across Mongolia Grasslands, Abhinav Chandel
Dissertations and Theses
This study presents an integrated geospatial framework for understanding grassland productivity dynamics and livestock movement behavior across the Mongolian steppe. Mongolia’s grasslands constitute one of the world’s largest pastoral ecosystems, yet they face increasing vulnerability due to climate variability, overgrazing, and land degradation. To quantify vegetation change and grazing responses, this research combines multi-decadal remote sensing with high-frequency GPS-based livestock movement tracking. Using Landsat imagery from 1990 to 2023, Aboveground Biomass (AGB) and Canopy Cover (CC) were estimated through Random Forest regression models integrating key spectral vegetation indices (e.g., NDVI, OSAVI, CTVI, TNDVI, IPVI) and climatic predictors such as summer …
