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A major risk factor for freshwater coastal aquifers is represented by seawater intrusion, consisting of the movement of marine saltwater into these aquifers. This occurs due to sea level changes, tidal fluctuations, changes in evaporation and recharge rates, fractures in coastal rock formations, or excessive freshwater pumping. The negative effects of this salinization phenomenon are a reduction in the available freshwater storage volume, the contamination, and the abandonment of production wells. In Romania, such...

The operation is based on the identification of the working area on the old land book plan. This includes the topographic numbers of the area where the building is located and all representative details, namely water courses, roads, road intersections as well as other linear elements well established in time. On the old land book plans, each plot is highlighted with a distinct topographic number, topographic number that is entered in the land register and corresponds with a land book. The old land book plan was dr...

Environmental pollution due to increasing waste flows is on top of the global agenda. Many developing countries including Russia address this issue by investing in waste treatment facilities. They give little regard to circular economy principles which are gaining prominence in advanced countries. Lack of detailed information on waste flows limits waste management system analysis best practices applicability in these countries. We developed a framework for waste generation analysis during the life cycle based on d...

The article focuses on basic socioeconomic and sanitary-epidemiologic parameters as well as parameters that characterize population health in RF regions. The research goal was to search for reasons that could potentially explain short life expectancy in some RF regions via combining similar territories into groups according to selected parameters. The authors applied a specific statistic procedure for data processing, cluster analysis; it allowed distributing RF regions into 4 clusters where analyzed determinants ...

The most emerging technologies for climate change mitigation are Carbon Capture and Storage (CCS), Carbon Capture, Utilization and Storage (CCUS). Some countries have been developing CCS and CCUS projects and they are at different stages of deployment at the moment. Despite signing of the international agreements on climate change mitigation, Russia does not provide development of CCS technologies and their deployment. Considering long-term development of such technologies, its major objective is to increase publi...

Currently every day the need for obtaining information from satellites and quadcopters is increasing. Various services and ordinary users have a need for automated processing of received information from satellites. However, automated processing raises a number of problems: different illumination of objects, their difference in different times for example at different times of the year, soil changes, river spills and forests before and after fires etc. However, topology allows you to preserve the shape of feature ...

This paper deals with a case study from Central European mountain Acidophilous spruce forests below the alpine tree line in the Hruby Jesenik Mountains (Czech Republic). These forest ecosystems are protected in the frame of the Natura 2000 European system. Maintaining of the defined forest habitat character, especially for certain types of forests historically affected by humans, is there the main target of forest management strategy. The results of this study suggest that research on forest management history can...

During the oil field development process some of productive formation areas remain undrained which brings to decrease of total recovery factor. Conventional methods of reservoir development control including well testing, tracer studies as well as reservoir simulation have significant limitations when analyzing the inter-well space. To localize oil saturated undrained areas in the inter-well space, it is necessary to develop new approaches, and one of them may be the geochemical survey based on analysis of gas com...

This paper responds to published scientific papers which compile econometric models of extraction of selected mineral resources. Mining prediction models can be new tools to increase the competitiveness of mining enterprises. Comparing the results of mining prediction and real data is important for further research on the issue. Specification of the results will lead to better managerial decisions in strategic and operational management. The results of the paper can lead to the clarification of the so-called rando...

Most methods of mining waste water treatment require significant costs for the construction and operation of tailings. Their area is calculated from the sedimentation time of impurities and suspended particles. The paper shows that an effective way of mining waste water treatment is flocculation of impurities and suspended particles and the subsequent flotation of the resulting flocs. Based on the results obtained, the Mining Institute KSC RAS has developed a technology for mining waste water treatment, including ...

Climate change is a global problem with serious social, economic and distributional effects on the environment. It is one of the main current challenges for humanity. Changing climate conditions in the long term, as well as short-term fluctuations and non-standard variation of temperature characteristics, have a significant impact on the behavior of pavement structure. Since the end of the 19th century, average temperatures have risen to 0.6 °C. The article describes the results of measurements and evaluations of ...

Forestry vehicles meet different kinds of soil resistance when operating on forest soils, which include the rolling resistance, as well as the resistance to vehicles turning. The purpose of proposed study is to present dependencies for estimating the soils resistance to forestry vehicles? turning, based on solution of theoretical problem of indenter pressing into a soil massif of unlimited thickness of the deformable layer. The study bases on theoretical methods of terramechanics, methods of computational experime...

The main strategy of the world fishery complex is the development and implementation of technologies for deep processing of aquatic biological resources (WBR), including those that allow addressing the issue of filleting waste disposal. Using the existing technologies of processing, we get the amount of filleting waste of up to 80% or ~1.6 million tons of the average annual catch weight in the Russian Federation alone. However, it is known that fish skin and cartilage tissue are highly valuable technological raw m...

In this paper, we propose a mathematical model and an appropriate algorithm that allows one-time measurement of the frequency response and phase response of the MET sensor under normal conditions to construct a complex transfer function of the MET at any other temperatures from the allowable range of -35 + 55 °C with the experimental accuracy not worse than a few percent. This model and the algorithm for setting up and selecting thermocompression circuits of electronic amplification and filtration circuits introdu...

Soil is a non-renewable resource and we should also treat it accordingly. Urbanization of natural land is a long-term global problem which results in expansion of anthropogenic soils. Effective use of so called brownfield sites could be one of the ways to eliminate the negative impact of the areas affected by urbanization. Brownfields are old and abandoned areas of former industrial and commercial zones within towns or other settlements, which have lost their original use and at the same time pose a possible ecolo...

The article presents the results of a study of the attractiveness of the forests coasts of the Cheboksary Reservoir on Volga River of the Cheboksary urban district in Chuvashya region (Russia). As the main natural and recreational characteristics, two criteria were chosen: the attractiveness of the relief and forest landscapes. The results of the study showed that the Right Bank of the Cheboksary reservoir has a high natural and recreational potential. The work revealed the possibility of using the attractiveness ...

From the tourist point of view, National Park of ?Nemuna? mountins is one of the most interesting territories in Kosovo and beyond. It has the most diverse and preserved forest vegetation, with a range of endemic flora species and flora relics, which in scientific and tourist terms is very important and attractive. This of course complements the morphological and hydrographic characteristics, as well as important tourist motives. The mentioned natural resources of the ?Nemuna?mountains positively determine their r...

Paper presents usage of viscoelastic material in the body of turning tool holder in order to damp the vibrations in the turning process. The standard approach to designing is the strength and stiffness based designing resulting from static material properties. However, each dynamically loaded structure is the subject of vibrations. Thus the dynamic material properties (damping measures) are of equal importance as vibrations are a part of the machines and devices performance. Their occurrence cannot be prevented be...

The analysis of the existing approaches to instrumentation of crushed wood thermal modification technology revealed the effectiveness of having the process in disc-type annealing reactors. In order to optimize the torrefaction process in a disk reactor, a mathematical model has been developed that allows determining the required number of disks depending on the design parameters of the unit and the required degree of heat treatment of the material. Mathematical simulation showed that with the same agitator rotatio...

Environmental protection-related to economic activities have many important economic consequences. Normally, the threats to the environment come from economic development since all the problems concerning the protection of air, soil, and water always imply supplementary costs. All these costs must be well analyzed and balanced between the port administration, port companies, inhabitants, and authorities. In large ports areas from Romania, as Constanta and Mangalia near the Black Sea, during 1980-2010 were develope...

The greatest destruction of the soil cover and natural landscapes occurs during the development of the field by open pit mining. As a result of the development of the field, a complete change in the relief occurs, disruption of water and air balances, which leads to disruption of the ecosystem as a whole. To stabilize the state of the environment, it is necessary to implement a set of environmental, economic and social measures to restore environmental components. In this case, it is necessary to take into account...

The article presents a detailed study of the close relationship between the content of total dissolved iron (Fetotal), Fe2+, Fe3+ on the one hand and physical and chemical parameters (Eh, pH, salinity (S), water temperature, electrical conductivity (Cond), the content of molecular oxygen and its saturation percentage in the section "Don River - Sea of Azov" on the other under various weather conditions. Correlation coefficients, as a quantitative measure of the tightness of the connection, varied over a wide range...

Groundwater in the territory of Kazakhstan is present in very diverse hydrogeological conditions and is subject to powerful human impact. First of all, it is manifested in groundwater pollution. Basic sources of groundwater pollution are gaseous, liquid and solid substances and production wastes of mining and gas and oil producing complexes industrial enterprises, agricultural facilities, cities and large population centers, large dumps of production, domestic and radioactive wastes etc. They cause habitat degrada...

In the mountain zone, the slope exposure plays important role in the process of soil formation. The aim of the work was to assess the impact of slope exposure on the soil properties of agricultural terraces in the Eastern Caucasus. A study of soil properties of agricultural terraces in the mountainous zone of the Eastern Caucasus (Dagestan, Russian Federation) was carried out. The purpose of the study was to compare the soils of agricultural terraces on the slopes of the northern and southern exposure. The content...

Considering that the underground mining of coal is used mining systems that have a high degree of complexity, and can reach cumulative lengths of tens of kilometers, associated with them we have the ventilation networks with the role of transporting important air flows with the help of special ventilation systems. The aeration networks are made up of all the mining works on which air flows are carried. Structurally, they comprise nodes and branches. The nodes of an aeration network are generated by the intersectio...

The quality and safety of constructions are fundamental requirements that must be ensured starting with the elaboration of the feasibility study until the post-use stage of construction and they are major concerns both of those who contribute to their realization, and of the beneficiaries or users. Due to the advantages of metal constructions, the elements from metal structure are used as structural elements of the construction, they can be used in a wide range of constructions and also, they can be parts for anot...

The issue of rational land use management, especially regarding agricultural land, has always been an important. The most difficult in this aspect is to ensure simultaneously: 1)the systematization of information on the quantitative and qualitative characteristicsof agricultural lands, 2) the monitoring their rational use, including the issues oftargeted land use, compliance with the current land legislation, 3) the timely conductenvironmental protection, crop rotation, etc. The use of GIS and remote sensing datac...

Higher education in Kosovo is considered a public service, regardless of whether the institution is a state- or privately-owned facility. As such, regardless of the country?s stage of development, it faces a constant challenge, namely to ensure a quality education system. Quality assurance in higher education in Kosovo is characterized by problems and difficulties related to the low level of recognition and low interest of relevant institutions for internal quality mechanisms, as well as the lack of external contr...

The natural zeolites (NZs) are low-cost natural materials, available in large quantities in different parts of the world, with good mechanical and thermal properties, ion exchange capacity, ability to adjust pH, high surface area and adsorption capacity. Despite their wide range of applications, the use of NZs is limited in industrial processes (where synthetic zeolites are preferred) due to presence of impurities in their structure and the properties which could not be optimized by nature. These limitations can b...

The paper presents our findings during the adoption of e-learning in the National Geoinformation Center of Bulgaria (NGIC). It details the approach used to build a set of functionalities that produce and deliver online educational products to the customers of NGIC. The Center is a consortium of the national providers of Earth observation data with a purpose to design and co-develop integrated information products. NGIC's information system is being developed since 2019. It is built adopting the IT service manageme...

The paper presents well-preserved microfaunas (foraminifers and ostracods) enclosed in cuttings samples and cores recovered by 6 hydrocarbon wells drilled in the Moesian Platform, in Silistea area, S Romania. The lithological and micropaleontological obtained data improve the stratigraphic knowledge at regional level. The analyzed samples contain foraminifera that characterize biozones extending in the Sarmatian, as follows: the middle Volhynian Varidentella reussi, the late Volhynian Elphidium reginum, the early ...

The integration processes taking place in the modern world increasingly determine the level of international relations. The implementation of integration relationships, as well as the implementation of any phenomenon, is accompanied by certain risks. Currently, there are a lot of classifications of both integration processes and the risks that arise during their implementation. From our point of view, the integration risks with respect to specific international associations, in particular the Eurasian Economic Uni...

The process of increasing the capacity of the Russian Arctic harbors has been gaining momentum in recent years due to the environmental change associated with the global warming process and increasing role of the Northern Sea Route (NSR). An important component of this process is the operation of the Sabetta seaport in the Ob Bay, Kara Sea, intended for the transportation of hydrocarbons (oil and gas products) produced on the Yamal Peninsula in the NSR. The construction project of the Sabetta seaport includes the ...

In Russia, Best Available Techniques (BAT) are considered to be Environmental Industrial Policy instruments, used both by environmental and industrial authorities. The Ministry for Natural Resources and Environment (Minprirody) and the Federal Supervisory Natural Resources Management Service (Rosprirodnadzor) are responsible for the development of environmental legislation and its enforcement. The Ministry for Industry and Trade (Minpromtorg) works out industry-related acts, sectoral and regional programmes, and u...

The aim of the article is to identify, analyze and evaluate the scientific problem of the communication interface of workplaces for air traffic controllers in training in the training facility TU / LF Kosice, especially in process and radar air traffic control, in the context of instructor-student and pseudopilot communication within the planned set of specific LETVIS workplaces. The formulation and description of a scientific problem will enable the determination of a methodology for researching the issue by scie...

Over 3000 million tons of waste management are generated annually, out of which 25%-30% are Construction and Demolition Waste (CDW). Construction and Demolition Waste (CDW) is generating major issues regarding logistics, provision, and environmental impact. The European Commission, by its Waste Framework Directive, is requesting to increase the recycling rate of the weight by 2020. Since actual material separation techniques require manual quality control and sorting, which is dangerous because workers suffer from...

The Czech Republic can be characterized by saying that all its rivers originate in it and none flows in. The quality of water is thus directly determined by the attitude of the country?s inhabitants towards the environment and by the water management policies of the state. Most European countries are dealing with the possibilities of water retention in the landscape, especially the establishment of ponds and the construction of dams. The limiting factor for the creation of an artificial water surface is the morpho...

Development of specific engineering solutions for environmentally friendly mineral processing waste management and their practical implementation is an important step on the way to resource efficiency, sustainable development and Earth preservation. Specific engineering solutions application for technological waste management reduce the natural resources use and have a direct positive environmental effect. The technological mineral processing waste have to be study in two aspects - as sustainable development probl...

The article deals with development of virtual tours to memorable places associated with the residency and activities of famous personalities of Russia using specialized equipment (Insta360 Pro panoramic camera with "fish-eye" lenses with the viewing angle of 200° and 3DVista Virtual Tour Pro software). When creating virtual tours, it was made possible to move from one time period (present time) to earlier historic periods for a memorial place under study, which allows user to independently conduct visual analysis ...

A ventilation system is defined by performing air exchanges between the indoor and outdoor environment with the purpose of creating environmental conditions as close to the required thermal comfort conditions. Before installing a fan, it is necessary to analyze the space in which it is to be used and the method of compensating the exhaust air (mechanically with another fan or naturally with dimensioned grids). The most important factors to consider when choosing a fan are: the volume of the space, the number of sh...

Fiber Bragg Grating (FBG) sensors are used worldwide in structural health monitoring as a highly effective strain sensing method. Compared to traditional strain sensing methods in geotechnics, such as measurement by extensometers, deformeters, or strain gauges, FBG technology is beneficial in many issues, such as small dimensions of the sensor, easy and fast installation, long-term stability, immunity to electromagnetic interference or possibility of having dozens of sensing points on a single measuring cable. One...

Rare metal deposits, spatially and genetically associated with leucocratic and alaskite granites of the Permian age, are confined to their dome parts and apophyses. According to researchers, the formation temperatures of granitoid intrusions are determined within 890-7500C. The actual data indicate that the formation of these deposits is greatlyinfluenced by conductive heat flow from the cooling ore-bearing intrusive massif,leading to redistribution of temperatures in the near-intrusive space, resulting inemergenc...

Spontaneous combustion is a phenomenon that results from the heating of combustible organic powders by slow oxidation and which occurs through the air passage (created by an air depression) through the mass of dust. The oxidation phenomenon of combustible powders represents their reaction with atmospheric oxygen resulting in products of carbon dioxide, carbon oxide, water and other gases whose content depends on the temperature at which the oxidation takes place. During oxidation, the oxidation rate is a function ...

The authors have conducted an experiment that involved modeling of interactions between immune regulation mechanisms applying a viral load simulator in vitro. The experiment was performed on a suspension that contained immune cells extracted from peripheral blood samples (68 samples overall). There were several influencing factors such as impacts exerted by managing elements including cytokines (IL-1), hydrocortisone, and exogenous environmental factors represented by aluminum compounds (aluminum oxide) as well as...

Today, the developing countries face a situation where there is an abundance of specialists with higher education, while the economy lacks qualified practice-oriented personnel. In general, there is a disproportion between the ever-increasing demand of specialists and supply on the labor market, and between the way of professional education and modern business. Society requires the commercialization of fundamental knowledge, the restructuring of the education system. Without losing its fundamental nature, educatio...

Strategic environmental assessment is not only an effective mechanism in solving environmental problems, but also a way of implementing the principles of «environmental democracy». It is generally accepted that the concept of «ecological democracy» has gained popularity after the signing of the Aarhus Convention in 1998. The Aarhus Convention is based on three main principles: access to information, public participation and access to justice. To date, most countries in Europe, the CIS, Canada, Ireland, the United ...

The influence of a number of factors on the condition of small rivers in the Kaliningrad region is considered. It has been shown that deforestation, floodplain cultivation and development, changes in microclimatic conditions, affecting even 20% of the catchment area of the small rivers, significantly specify their ecological state. Since bottom sediments are an indicator of the state of watercourses, their quality also depend not only on factors directly determining composition, but also on factors determining the...

Biological and, of course, economic yield is the result of interaction of internal plant characteristics, namely its genetical and biological potential, and external environmental factors. The efficient plant species, where grapevine is clearly integrated, is a basic limiting factor in the creation of organic material air temperature, which influences vital functions such as nutrients receiving, transpiration, photosynthesis, respiration, and others. In this context, the most often used thermal characteristics are...

Urbanization today is accompanied by an increasing interest in outdoor recreation and nature-oriented tourism. The topic becomes interesting in light of the most popular world practices to develop nature-oriented tourism and recreation in special protected natural areas. Specific spatial consequences for the sustainable development as for urbanized areas both for reserves are discovered. The territory of a reserve becomes a place of environmental stress (consider the goals of nature reservation), as well as social...

This paper presents the results of the sea water heavy metals (Hg, Pb, Cd, As, Zn, Fe, Ni, Cu) content examination in the coastal area of the Sevastopol. The water pollution index was calculated using 4 parameters with the obligatory inclusion of dissolved oxygen. Determination of metal content in water samples was performed by the method of inductively coupled plasma mass spectrometer PlasmaQuant MS Elite (Analytik Jena, Germany). The determination of the concentration of each of the chemical elements in seawater...