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The central part of the Czech Republic, called the Bohemian-Moravian Highlands, is well known for its historical mining activities, especially silver ores in the Jihlava district, dating back to the medieval period. Evidence of historical mining is still visible in the local landscape. This article analyses water samples collected at various locations within the so-called Pekelska stola (Hollen Stollen), near the town of Strbrne Hory. The mining activities in this adit have been documented since the 17th century; ...

Drilling fluids are essential for safe and efficient oil and gas well construction, performing critical functions such as cuttings transport, pressure control, borehole stabilization, and bit lubrication. Traditional manual testing according to API standards provides only intermittent data, often leading to delayed responses and increased risks of kicks, lost circulation, stuck pipe, or formation damage – especially in complex unconventional, deepwater, and high-pressure/high-temperature wells. This paper propos...

Drilling fluids are essential for safe and efficient oil and gas well construction, performing critical functions such as cuttings transport, pressure control, borehole stabilization, and bit lubrication. Traditional manual testing according to API standards provides only intermittent data, often leading to delayed responses and increased risks of kicks, lost circulation, stuck pipe, or formation damage – especially in complex unconventional, deepwater, and high-pressure/high-temperature wells. This paper propos...

Petroleum-related pollution remains a persistent threat to aquatic ecosystems in the Niger Delta, particularly in communities near active oil infrastructure. This study assessed total petroleum hydrocarbons (TPH), sixteen priority polycyclic aromatic hydrocarbons (PAHs), and selected 5 heavy metals (Chromium, Cadmium, Lead, Nickel and Zinc) in sediment and two edible benthic organism the periwinkle (Tympanotonus fuscatus) and the mangrove crab (Callinectes amnicola) samples collected at an oil company"s pipeline p...

Understanding the ability of plants to accumulate trace elements from soils is essential for environmental monitoring and phytoremediation studies. This research investigates the bioaccumulation capacity of the plant Amaranthus viridis and Chenopodium album in relation to the chemical composition of the soils in which it grows. Concentrations of trace elements including Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, and Co were determined in both plant tissues and corresponding soil samples. To evaluate the ability of the plant t...

Sea buckthorn is a heliophilous species valued for its nutrient-rich orange berries, which find extensive applications in the pharmaceutical, food, and agricultural industries. This study monitored four specific cultivars: Dora, Cora, Mara, and Clara, grown in the Republic of Moldova over a 60-day period (August to September). The research focused on tracking the evolution of primary ripening indicators: vitamin C, total carotenoids, and organic acid content. Ascorbic acid, a vital bioactive component, showed a co...

Bioclimatic design has emerged as a fundamental approach in sustainable architecture, responding to the growing challenges of climate change, energy efficiency, urban heat islands, and environmental degradation. By adapting buildings and urban spaces to local climatic conditions through passive design strategies, bioclimatic architecture seeks to reduce energy consumption, improve thermal comfort, enhance environmental performance, and promote long-term resilience. Unlike conventional architectural models that rel...

Today, the demolition process employing blasting operations has a demanding technological application, demonstrating that the employment of the blasting method is a suitable alternative in terms of efficiency, quality, and safety. This article describes the practical way and safety conditions of realizing the demolition process of a concrete bridge built over a width river and located in the area of a water dump and a power plant. The bridge was designed as a structure that crosses the river, continued with an acc...

Blended learning has become an increasingly important pedagogical approach in GeoScience education, combining traditional field-based learning with digital technologies to enhance student engagement, flexibility, and professional competency development. Geosciences have historically relied on direct field observation, spatial interpretation, and hands-on environmental analysis as core elements of academic training. However, rapid technological advancement, digital transformation, and the growing need for sustainab...

International cooperation is essential for effective climate change mitigation, yet linguistic diversity remains an underrecognized barrier to equitable participation and knowledge exchange. This article examines translation as a critical yet overlooked tool for facilitating international climate action, arguing that language mediation enables the cross-border flow of scientific knowledge, policy frameworks, technological innovations, and civil society mobilization essential for global mitigation efforts. Drawing ...

The intersection of environmental education and multilingual communication presents urgent challenges as climate change and ecological degradation demand global awareness and action. This article examines the design, development, and implementation of multilingual environmental education platforms that strategically integrate translation technologies with curriculum design. Drawing on interdisciplinary frameworks from translation studies, educational technology, and environmental science pedagogy, we propose a com...

The paper presents a centralized workflow automation solution for processing technical-scientific PDF documents in geoinformatics-oriented organizational environments. The proposed system addresses repetitive document-processing activities associated with scientific reporting, technical documentation, scanned archives, and institutional digital workflows, particularly in situations where users do not possess advanced PDF-processing skills. The solution is implemented using a continuously operating Windows server o...

Anthropogenic activities involve extracting the transformation and use of natural resources. During the process of extraction of useful mineral substances on the surface or underground, particles or gases appear in the working environment resulting from the removal or natural release from the rock mass. The process of transformation of useful mineral substances is carried out on the surface in closed enclosures, and involves the use of complex technological processes. During these technological processes, gases, m...

Engineering-geological and hydrogeological investigations play an important role in the selection and design of dewatering methods for construction excavations and the choice of the foundation type of the designed buildings. This paper presents a case study from a construction site in Sofia city, situated in the southernmost part of the Sofia graben and near by a river terrace. The project involves the construction of a five-story residential building with one underground level. The groundwater table was establish...

Residual rocky forms of the Flysch Carpathians are distinguished by their high scientific value. Some of the representative groups of such flysch tors are located in the Wisnicz Foothill and Ciezkowice Foothill. Those attractive assemblages of sandstone- to conglomeratic tors are the Stone Town Nature Reserve, the Witches Waterfall natural monument, and the quarry in Ostrusza. Other large objects are rocky forms: the Wieprzek Tors in Siekierczyna, the Devils Playground in Plawna, and the Devils Rocks in Bukowiec. ...

A key environmental and technological problem for coal-fired generation in the Russian Federation is the overfilling of existing ash disposal sites. The total volume of accumulated solid coal combustion waste has reached 2 billion tons. It is important to emphasize that this figure reflects only the accumulated "legacy burden" and is not a fixed value: the industry generates about 20 million tons of new waste annually. Consequently, the actual mass of this waste requiring disposal or processing is steadily increas...

Combustible dusts are presented in industry as a finished products or process intermediates created voluntarily by milling or involuntarily by abraison of larger sized solid. Spontaneous combustion is a phenomenon that occurs by self-heating, increase in temperature due to exothermic internal reactions, followed by thermal runaway (self heating which rapidly accelerates to high temperatures) and finally, autoignition. The oxidation of combustible powders occurs when they react with air oxygen, producing carbon dio...

The Topolnitsa River basin is a vulnerable agricultural area affected by mining and metallurgical pressure. Irrigation with surface waters and contrasting soil properties may increase secondary contamination. This study develops the Chemical Line of Evidence (Chem-LoE) within the TRIAD framework of an advisory system for ecological risk assessment. The focus is on riparian and floodplain agricultural soils, mainly alluvial-meadow and deluvial-meadow soils. Copper (Cu), lead (Pb), zinc (Zn), cadmium (Cd) and arseni...

The transition to a circular economy (CE) is a key driver of sustainable development, particularly in Southeast Europe (SEE), where environmental pressures and economic restructuring remain significant. This study examines CE policies, implementation practices, and emerging trends across SEE countries, with emphasis on their alignment with European Union sustainability frameworks. A mixed-methods approach is applied, combining comparative policy analysis with qualitative case studies. Data sources include national...

In the context of increasing pressure on natural resources, driven by population growth, accelerated urbanization, and changing consumption patterns, the issue of food waste is gaining growing relevance at the global level. The food service sector, as an integral part of the HoReCa industry, contributes significantly to this problem, being characterized by high production volumes, demand variability, and operational complexity. Within this framework, the circular economy emerges as an essential alternative model t...

Accelerated urbanization represents one of the most significant pressures on the urban environment. The transition from "green" to "grey" amplifies the vulnerability of cities to the effects of climate change (temperature rise, floods, droughts, and air quality degradation). In this context, urban green spaces, and public parks in particular, acquire a strategic role as nature-based solutions (NBS). NBS are capable of providing essential ecosystem services such as mitigating the urban heat island effect, stormwate...

The Ciuc Basin is characterized by distinct climatic conditions that influence agricultural potential, hydrological balance, and regional climate resilience under ongoing climate change. This study analyzes temperature extremes and temporal variations of the Huglin Climate Index (HI), a widely used agro-climatic indicator for assessing viticultural and thermophilic crop suitability. The analysis is based on meteorological observations (temperature, relative humidity, and wind speed) from the national monitoring ne...

Among the existing methods of TMS processing, the most attention is paid to pyrolysis due to such advantages of this method as a high level of process control, the ability to adapt the process to a different composition of raw materials with a high yield of target products with specified characteristics, a closed-loop process, etc. [1, 2]. The study is devoted to the study of the process of co-pyrolysis and is aimed at developing a technology for thermocatalytic processing of complex organic waste of anthropogenic...

Design is inherently a decision-making process that involves generating alternatives whose evaluation allows for the improvement of the final intervention. In public contexts, decision-making requires a shared and participatory approach, as such processes are inherently characterized by multi-actor involvement and multidimensional considerations, especially in matters concerning sustainability and environmental governance. Participatory Multi-Criteria Evaluations (PMCEs) implement a multidimensional approach and c...

The growing interest in the development of artificial intelligence (AI) agents is increasingly influencing socially significant domains such as public administration, education, and government services. In these areas, AI systems are expected to achieve high standards of performance, including accuracy, reliability, and contextual awareness, in order to support administrative processes and provide citizens with fast and dependable access to information. For this reason, selecting an appropriate model conception is...

This paper is focused on the verification of two quasi-geoid models for the territory of Bulgaria (the model integrated into the Geodesy, Cartography and Cadastre Agency (GCCA) official product for the transformation of geodetic data and a model derived using the GNSS/levelling method) through direct geodetic measurements. The study was developed in the framework of the current 5th cycle of the 1st Order National Levelling Network (NLN), conducted in accordance with the requirements of the new 2021 Instruction [1]...

This paper focuses on the comparison of the energy potential of biomass originating from agricultural and viticultural production, with emphasis on its utilization in the form of pellets. Selected types of agricultural residues and viticultural wastes were analyzed, specifically grape pomace skins and pruning residues from vine cutting. These materials represent underutilized by-products with significant potential for energy recovery. The main objective is to evaluate the suitability of these materials as alternat...

This study presents a comparative analysis of three methodologies for deriving intensity–duration–frequency (IDF) relationships of rainfall in Bulgaria: (i) the method embedded in the current regulation for sewerage system design, (ii) the methodology used for estimating maximum river discharge, and (iii) a recently proposed regionalization approach with site-specific IDF curves. The objective is to evaluate their accuracy and applicability under contemporary climatic conditions, with a focus on urban drainage...

The monitoring of the construction behavior is one of the important activities carried out to determine the state of construction, subject to various natural and anthropogenic actions at a given time. In Romania, the activity of rockfill dams monitoring is regulated according to the importance category (A, B, C). The Rausor Dam is located downstream of the confluence of the River Rausor with the river Targului, which springs from the Iezer - Papusa Mountains in the central part of Romania. Being part of importance...

Arbuscular mycorrhiza, a widespread mutualistic association between fungi of the phylum Glomeromycota and plant roots, plays an important role in improving plant nutrition and tolerance to environmental stress. Through this symbiosis, fungi supply mineral nutrients and enhance resistance to drought and pathogens, while receiving assimilates from the host plant. This study was conducted on a commercial plantation of blueberry (Vaccinium corymbosum) in southwestern Slovakia. The plantation was inoculated with mycorr...

The article presents data on the role of organic matter as the primary source of oil and gas formation. It provides a general overview of scientific research on the theory of the organic origin of hydrocarbons. The methodological part of the study is based on guidelines for determining the distribution patterns of organic matter in formations of various types, using the values of the formation-equivalent. The formation-equivalent is understood as the aggregation of all forms of organic matter of any type into a co...

Existing industrial ammonia production installations operating in potentially explosive atmospheres usually contain a wide range of explosion protection concepts implemented during different stages of plant modernization and expansion. In such brownfield installations, the coexistence of equipment originating from different technological periods often leads to a non-uniform distribution of protection concepts at installation level. This aspect is particularly relevant for industrial sectors associated with oil and...

In the context of the transition to a hydrogen-based economy, the assessment of the risks associated with this energy vector is becoming a priority for industrial safety. The unique properties of hydrogen, its high reactivity and high burning rate, require the use of advanced numerical simulation tools, capable of providing highly accurate predictions of the effects of explosive phenomena. This paper presents methodological contributions aimed at optimizing the numerical models used for the analysis of explosions ...

The main aim of this paper is to present the research findings in the field of solid biofuels production from biomass. One of the recovery possibilities for waste biomass raw materials is production of solid biofuels. Using a variety combination of influencing variables can be improve the final quality of solid biofuels. Raw biomass material variables influence, especially (type of raw material, particle size, moisture content, compression pressure and compression temperature) can be recognized during the producti...

This paper describes the controlled demolition of a reinforced concrete water tower located in an industrial area in Lugoj, Romania. Due to advanced structural degradation and high rehabilitation costs, demolition was selected as the most viable solution. The adopted method combined blasting works with conventional preparatory operations, using a controlled toppling technique in a predefined direction. A detachment wedge was created by drilling and charging 196 boreholes arranged in eight horizontal rows, initiate...

Dust sampling equipment exhibits significant variations over time depending on the operating principle, being influenced by interaction of environmental factors, such as air flow velocity, relative humidity, ambient temperature and barometric pressure. The objective of this study is to perform a comprehensive comparative evaluation between the gravimetric reference method and the optical method for determining PM10 particles in ambient air. In order to allow the evaluation of each observation in relation to method...

Cement-based construction materials, such as mortars and concretes, are frequently exposed to aggressive environments containing chloride and sulfate ions, leading to corrosion processes that significantly affect their durability and structural performance. In many cases, these degradation phenomena are intensified in industrial environments or coastal areas, where the concentration of aggressive agents is higher. In recent years, the use of nanoparticles as functional additives in cementitious materials has gaine...

ABSTRACT The nutritional composition for different healthy and/or diet purposes needs an appropriate composition of ingredients. But the different food products contain different levels of nutritional gradients. Therefore, the cost minimization of the food supplies and the composition of the ingredients in an appropriate combination can be a target from an economic point of view. The paper quantifies the relationships between food supply and the composition of the ingredient procedure by means of minimizing the su...

A health-friendly crop rotation system for soil is an essential tool for sustainable agriculture, especially in the context of achieving the objectives of the European Green Deal. Therefore, the research aims to assess the integration of three crops beneficial to soil health into the production of winter wheat and winter rapeseed every third year and their socio-economic and environmental impacts in Latvia. The research results revealed that crop rotation has a significant impact on the economy of farms, and only ...

Ornamental plants of the family Poaceae are becoming increasingly popular in modern landscape design due to their high ornamental value, ecological resilience, and adaptability to various soil and climatic conditions. The biological features of growth, habit formation, and methods of reproduction in different climatic conditions were studied. During 2023-25, research was initiated at the Kherson SAEU focusing on the cultivation of grass planting material via seed and vegetative propagation, specifically for Pennis...

Unmanned aerial vehicles (UAVs) are increasingly used in many industries and environmental monitoring systems. They play a particularly important role in the observation and research of difficult-to-access areas, such as watercourses, river basins, reservoirs, and wetlands. The ability to quickly measure basic physicochemical parameters of water, such as temperature, electrical conductivity, pH, and turbidity, is crucial for assessing the condition of the aquatic environment and initiating appropriate actions. The...

This paper presents the design and numerical analysis of an experimental system intended to study the effects of water curtains on the propagation of hydrogen explosions. The developed virtual model reproduces a test stand consisting of three successive chambers separated by two water-filled barriers acting as water curtain obstacles. The atmosphere in the chambers is composed of an explosive hydrogen–air mixture with a hydrogen concentration of 25%. The explosion is initiated in the first chamber, and the propa...

The rapid pace of urbanization, demographic transformation, and climate-related challenges has intensified the need for inclusive and sustainable urban spaces that respond to the needs of diverse communities. Contemporary cities are increasingly characterized by social, cultural, economic, and demographic heterogeneity, requiring urban planning approaches that integrate social equity, environmental sustainability, accessibility, and participatory governance. This study explores the theoretical and practical dimens...

Urban areas developed above salt-karst systems are particularly sensitive to ground deformation processes driven by dissolution, suffosion, and anthropogenic disturbances. Detecting and monitoring these processes in densely built environments requires observation techniques capable of capturing small-scale morphological changes with high spatial resolution and repeatability. This study demonstrates the use of recurrent UAV-based LiDAR surveys to detect and measure ground instability in the town of Slanic Prahova (...

Civil aircraft navigation uses specific procedures for the continuous determination of the aircraft position using the path and distance traveled in the considered time interval as calculation elements. Throughout the route, errors must be estimated that are generated by a series of parameters such as: hydrometeorological conditions, air current direction, declination, geoid parameters, the ship's nautical qualities and the response mode of the navigation equipment. The indications of the magnetic compass must be ...

Climate change has become one of the most urgent global challenges of the twenty-first century, affecting natural systems, urban environments, economic stability, food security, and social resilience. In this context, climate literacy has emerged as a critical educational priority, particularly within GeoScience education, where understanding Earth systems, environmental processes, and human-environment interactions forms the foundation of academic and professional training. Developing climate literacy involves no...

The building and construction sector remains one of the largest contributors to global climate change, thus the industry is focusing on reducing the embodied emissions from materials and minimizing operational energy through superior building envelope performance. As the industry transitions from traditional products to advanced bio-based materials, the requirements for measurement precision, dynamic response tracking, and environmental simulation have surpassed the capabilities of legacy instrumentation. Modern l...

The proposed presentation details a newly developed well integrity packer solution that provides a permeant non-elastomeric barrier and can be installed as easily as existing technologies, but offers the unique advantages of a permeant cement barrier. Traditional elastomeric swell packers are a practical, easily installed and proven well construction product, but they have their performance limitations, especially over a well’s lifetime. The cementitious swell packer (CSP) is a product intended to supplement or ...

This study investigates the development of gravel-gelatin composites as pre-formed monolithic filter elements for borehole wells in unconsolidated sandy aquifers. The composites utilize food-grade gelatin as a natural, biodegradable, and low-cost binder to bond gravel particles into stable blocks, offering an alternative to conventional loose gravel packs that are labor-intensive to install and prone to placement inconsistencies. A systematic experimental approach was employed to optimize key manufacturing paramet...

The presence of flammable and/or combustible substances in various industrial production processes generates in most cases potentially explosive atmospheres, which transforms a regular work environment into an explosion risk area, directly influencing the way in which equipment intended to be used in these areas is designed, installed and maintained. In areas where potentially explosive atmospheres may form due to the presence of flammable and/or combustible substances, technical equipment must be used whose casin...