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This work presents some preliminary results of using oxygen isotopes ratio (?18O) for diagnostics of transient layer of upper permafrost of the coastal plains of Eastern Chukotka, NE Russia. Study methods included drilling of active layer and transition zone of permafrost and stable core isotope ratios analysis. The study revealed that ?18O values of ice from transient layer ranges from ?11.5? to ?14?. These values differ from those for massive ice beds and ice wedges in this region that allowed us to use stable i...

Diatoms are widely used for paleoindication, through which the main stages of life of lakes against the background of changing environmental conditions determined by both natural and anthropogenic factors can be reconstructed. The results of the diatom analysis of a 96 cm long continuous sediment core from the artic lake in the Pechora River delta (Nenets Autonomous Okrug, Russia) were presented. The arctic lake under study is characterized by low conductivity and nutrients content. In 33 samples taken from the la...

Digital land registration is a trend towards improving the effectiveness of a number of standards in the field of land databases and land management in general. Like smart life, the development of digital technologies in land registration is also very important, especially in the digital age, because land is an extremely valuable resource. Today, the use of information technologies in the inventory is an important direction and a necessary condition for achieving the goals of sustainable development. The use of in...

The subsoil use currently constitutes the basis of real sector of the Kazakhstan's economy. Therefore , the state programme "Digitalization of Kazakhstan" covers the geological sector of our country, and this predetermines a new approach to the methodology of geological exploration of mineral deposits. Implementation of the new approach to geological research is carried out with the help of modern innovative technologies, such as Mapinfo, Arcgis, GIS-Micromine, where the scientific digital information base of geol...

Digitization is one of the key development priorities for the European Union, which also applies to three Baltic States: Estonia, Latvia and Lithuania. In recent years, significant progress has been made in the Baltic States in the fields of connectivity, digital technology use and e-government. Unfortunately, the progress was different in each of the Baltic States, and there were also serious shortcomings in all the states, e.g. concerning human capital. However, unlike Lithuania, the business sectors of Latvia a...

Worldwide, the increased demand for various chemical products has led to an increased production activity of chemical plants involving the use of a large variety of chemicals. Most of the chemical substances used by the plants on a regular basis are considered to be highly hazardous, having toxic, explosive or flammable properties. The production, use, transportation or storage of such hazardous chemicals involves special occupational health and safety measures which have to be taken into account by the employers....

In the case of process of mining of mineral resources as disintegration of variety of materials is always crucial to choose optimal technology to prevent wastes in energy, human resources and also financial resources. It is also essential to avoid negative impacts on the nature and prevent serious damages in environment in general. This article is focusing mainly on the various ways of mechanical disintegration of materials without usage of blasting in the mining condition (surface mines, coal mines, tunnel boring...

On the base of a detailed analysis the political and social factors in the development of the world economic system, the authors is concluded that the impending global economic crisis may negatively affect the Russian economy. The analysis of the current economic and socio-political situation in Russia given in the article allowed us to identify a number of main directions of the country's development that can ensure the stability of its economy in the conditions of the impending crisis. The authors argue that in ...

Annually more than 300,000 thousand tons of waste are generated in Ukraine, including about 600 thousand tons of hazardous waste. These include used fluorescent lamps, motor oils, batteries, unsuitable and expired pesticides, pesticide packaging, medical waste and others. According to the State Statistics Service of Ukraine, as of the end of 2018, the total amount of waste accumulated during operation in designated areas or facilities was 12972428.5 thousand tones. Whereas during 2018 the amount of generated waste...

Systematic monitoring of buildings and structures is necessary to ensure the safety and reliable functioning of infrastructure facilities. An important component for high-precision measurement control during monitoring is the verification of double measurement accuracy and the identification of systematic errors. By double measurements we mean the comparison of measurement result difference between the monitoring series, determining the displacements that occurred as systematic errors using the mathematical appara...

The problems of potable quality groundwater pollution have now become one of the most important on the Earth. According to UN, about 2 billion people currently lack access to drinking water. Climatic change and increased negative impact of anthropogenic factors significantly affected the quality of water resources. Groundwater is the main source for drinking and other domestic purposes. Many developing regions of the world suffer from shortage of safe drinking water. Basically, the main reason is that due to globa...

The paper aims at analysing the effect of different motivational drivers and moderating factors to the activation of sustainable behaviour in its two main forms ? consumption and involvement. Further it aims at testing the relationship between activism and the choice and usage of products in a sustainable manner. To fulfil these tasks a theoretical model is designed on the basis of previous quantitative and qualitative research on the antecedents of sustainable behaviour. The research builds on a survey with a sam...

The research is aimed at studying the quantitative laws of the morphological pattern dynamics for alluvial plains. Basing on the random process theory - the renewal process theory, we substantiate that in the course of the development despite constant changes such as generating new packages, erasing old packages, changing of the number of a package, some features of the morphological pattern remain the same. They are the length distribution of the arrows for the preserved (non-erased) package fragments, the durati...

Pile driving technology remains the most widespread method in Arkhangelsk where the presence of soft soils is an engineering-geological feature. High quality of the pile shaft in the soft soil is guaranteed by using precast piles. New construction in the urban conditions is mainly carried out next to the adjacent buildings. During construction of a multi-section building ground works and pile driving are sometimes performed separately for each section but not for the entire building at once. The monitoring of pile...

In the Danube delta, on the Sulina Channel, the morphology and bedforms characteristics have been investigated. 3D bathymetry, flow velocity, and bed sediments data have been acquired, in order to investigate the dynamic of the bedforms, the distribution of the water, and their influence against the river bed. A single observation (in May 2019) was made regarding the geometry, sediment composition and hydraulic conditions under which the dunes grew and decomposed. The investigation focuses here mostly on the geome...

This article is based on the results of studying the dynamics of long-term fluctuations in the flow of spring floods of the Don and Dnieper river basins in the territory of the Belgorod Region in the period 1968?2018. The object of the study are the maximum water discharges during the spring flood on the Tikhaya Sosna river near the town of Alekseevka (right tributary of the Don river) and Vorskla river near the village of Kozinka (left tributary of the Dnieper river). These rivers were chosen as objects of study ...

Earthquakes are violent movements of the Earth?s surface resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. The movements are characterized by rapid variations of direction, speed and acceleration. The present paper analyzes the response of the structures and the behavior of buildings during high-intensity earthquakes. The target areas of the study are Galati and Suceava municipalities, located in Romania, at varying distances from the seismic hotspot situated in the C...

Earthquakes are the deadliest natural disasters affecting the human environment. Global seismic risk and vulnerability to earthquakes are increasing steadily as urbanization and development occupy more areas that a prone to effects of strong earthquakes. Furthermore, uncontrolled growth of mega cities in highly seismic areas in the world is often associated with the construction of buildings and infrastructure, inconsistent with the regional seismo-tectonic features and seismic hazard. The assessment of seismic ha...

Today, eco-innovation represents a tool for vitalizing the circular economy ? an urgent problem ? both at the global as well as at the national level. Eco-innovation is the key to the future competitiveness of any country that contributes to the circular economy and a sustainable future while also promoting environmental protection and more efficient use of resources. Eco-innovations are implemented in all Member States, sectors and markets of the European Union, yet the intensity of this activity is still insuffi...

Inventory of the shrubs species composition in the urban ecosystems in the city of Kherson revealed 129 species belonging to 65 genera, 26 families, 2 classes and 2 divisions. Major families of the studied shrub dendroflora are Rosaceae Juss. (36 species representing 27.9% of the total number of species), Caprifoliaceae Juss. (15 species, 11,6%), Oleaceae Lindl. (15 species, 11,6%), Fabaceae Lindl. (10 species, 7,8%), Berberidaceae Juss. (6 species, 4,7%), Hydrangeaceae Dumort. (4 species, 3,1%). Other families ar...

The present study includes a total of 13 Bulgarian municipalities, situated along the border between the Republic of Bulgaria and the Republic of Serbia. The municipalities are the following: Bregovo, Boynitsa, Kula, Makresh, Belogradchik, Chuprene, Chiprovtsi, Georgi Damyanovo, Godech, Dragoman, Trun, Trekliano and Kyustendil. These frontier municipalities belong to the Northwestern, as well as the Middle West parts of Bulgaria. Most of them are known to be the least developed Bulgarian municipalities and the one...

The study deals with a usage of spectral indices for the ecological control of the state of forestry with particular emphasis on the control of causes and effects of forest fires, their effective detection and prevention. The Karabai tract was selected as an object of study, which is a monoculturally planted pine forest with predominance of Rhinus sylvestris L. and P. pallasiana D. Don, located on the territory of Kherson region, Ukraine. This forestry is known for one of the largest forest fires in Ukraine, which...

Today our cities are facing different challenges (huge increase of urban population, strong trends of migration toward cities and climate changes that affecting urban environment. These challenges require these changes require intelligent decision-making, with a focus on environmental protection. Ecological urbanism is a new concept for urban development and planning that puts a focus on environment in the processes of urban planning in order to create for communities sustainable places and provide intelligent sol...

Modern actualization of the global problems of mankind indicates that environmental problems occupy one of the first places in terms of threat level. An analysis of studies of this period indicates that far from many publications, these problems are formulated as the tasks of harmonization and humanization of relations between society and nature. Most non-philosophical works tend to analyze planetary resource problems and disaster prevention. This interpretation is a continuation of the deterministic approach to r...

The problem of the environment is becoming more and more pressing. The economic evolution of the world has led on the one hand to wellbeing, but on the other hand, has not taken into account Natural Resources. Sustainable development is on the agenda of all countries and represents a challenge for a return to green values. The European Union has sustainable development as one of its priorities. However, all this is not possible without proper education. The EU and national governments have set clear targets to gui...

Among the global problems, the special importance is given to optimization of transport communications` operation in the cities, which with more or less severity is risen in all of the countries. The best transport and geographic location of Georgia has the world importance, where the transport corridor Europe Caucasus Asia is being intensively constructed. The topics referring to necessity of Batumi bypass road of transport corridor Europe Caucasus Asia and issues related to its construction is already studied. T...

In this article, we systematize the main methodological approaches, used in Russia and abroad to the assessment of the accumulated environmental damage. The authors of the study also used the enlarged assessment method to calculate the economic assessment of the accumulated environmental damage around the Komsomolsk gold recovery plant. Input data were obtained by empirical measurements, which were obtained by employees of The Geo-Electrochemistry Laboratory of the Trofimuk Institute of Petroleum-Gas Geology and G...

The paper is focused on the issue of the economic evaluation of brownfield revitalization, which served as a power plant, but today is primarily intended for society. It is a relatively small former diesel power plant in the center of the town of Piestany in western Slovakia, which started producing electricity in 1906. In 1996, the building was included in the national cultural heritage and in 2009 began to be revitalized for wider social use, such as exhibitions, galleries, various free children's educational ev...

The paper deals with the monetization assessment of the environmental impacts of current systems of flat roofs. Monetization techniques are commonly used for evaluation of the negative environmental impact. Environmental impact can be defined as a change in the environment, whether favourable or unfavourable, which is wholly or partly due to human activity. Very often, environmental impacts are characterized by climate change such as global warming, acidification, eutrophication, ozone depletion, etc. With regard ...

Energy, which determines the progress of social production, continues to have an adverse impact on the environment. The result of any energy entity is to provide consumers with high-performance ecologically pure kind of energy that objectively defines influence of industrial activities of energy companies on the environment: emissions of pollutants into the atmospheric air, effluents of polluting substances in water objects, placing of production wastes, and also negative effects of noise, heat, vibration, electro...

The aim of the study is to carry out the management and economic evaluation of the Scots pine Pinus sylvestris L. forest stand in Mezaparks, Riga. The aim of the landscape selective cutting is to improve the resilience of mature stands, while increasing the visual attractiveness of the stand. Riga?s Mezaparks has been used for recreation and other social activities for long time. To continue serving social, ecological, economical and other interests of the city, it is important, especially for the urban forestry, ...

The modern approach to the spatial organization of territorial nature protection is designed to ensure the achievement of a system-ecological balance within the framework of the ecological foundations of optimizing nature management and the concept of sustainable ecological and economic development. Networks of specially protected natural areas (SPNA) at the regional level perform the task of preserving mainly zonal ecosystems, combining the capabilities of various categories of protected territories. Volgograd re...

Classic belt conveyors are designed primarily for continuous, straight transport of almost all bulk materials on short, medium and long lines. They are characterized by high transport performance. Their disadvantage is that the material can be transported in ascending order with a maximum ascent of + 18 ° and drop-down to -12 °. Another disadvantage is the need for overflows in the event of a change in the direction of material transport and pollution of the living and working environment due to the trough shape o...

Biohydrometallurgical technologies based on the oxidation of sulfide minerals by iron- and sulfur-oxidizing acidophilic microorganisms are widely used to extract non-ferrous and noble metals from sulfide ores and concentrates. Acidophilic microorganisms oxidizing sulfide minerals include autotrophs, heterotrophs, and mixotrophs. Therefore, studying of the effect of different carbon sources on biooxidation of sulfide minerals is relevant issue. The goal of the present work was to study the effect of different organ...

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...

This report provides the findings of analysis intended to determine the reasons for the hydrogen sulfide formation in anaerobic conditions of urban sewage systems. The studies have shown that the technogenic content of sulphates in urban networks and the presence of organic components in wastewater lead to the formation and release of hydrogen sulfide into the atmosphere. Various methods of hydrogen sulfide removal from wastewater have been analyzed. The authors of the report have developed a complex alumina-ferro...

The article demonstrates application of distance learning in foreign language teaching at the Faculty of Manufacturing Technologies in Presov. The study of a foreign language is very closely connected with professional subjects. There is a close connection with many engineering disciplines within all study programs. The method of distance learning is an important part of the modern education. The implementation of blended learning to the study process is needed for the newly accredited study programs at the Facult...

The current state of the coal market and the problems of forming coal routes and the development of seaports are considered. The main elements of the world logistics system that form the flows of coal routes are highlighted. The principles of forming trains on the railway transport of countries forming freight flows are proposed. Prospective models and methods are proposed, an end-to-end scenario analysis of flows of international coal routes, in order to attract additional cargo volumes to international transport...

The planted forest stands of pedunculate oak (Quercus roburL.) were carefully cultivated in Latvia for wood harvesting since the end of the 19th century. Today, felling of Q. robur forest stands in Latvia is prohibited, and according to the nature conservation rules are included in the list of habitats of European interest 9160*. According to the State Forest Service [14], the share of oak stands in all forests in Latvia is 0.1% (9354.58 ha). During their lives, oak forest stands are threatened by various risk fac...

We analyze a series of data in the ultra-low frequency (ULF) range of geomagnetic variations, which are collected from search coil instrument and acquisition system at Panagyuriste, Geomagnetic Observatory (PAG), Bulgaria, a part of South European Geomagnetic Array (SEGMA, http://sole-terra.aquila.infn.it/it/), and data for seismic noise collected at three Bulgarian seismic stations (VTS, RZN and KDZ part of National Operative Telemetric System for Seismological Information) and three Turkish seismic stations (GOM...

In Bulgaria, every municipality develops an Ordinance for the construction and protection of the green system, which regulates the public relations associated with planning, construction, sustainable maintenance, conservation, and development of the green system, regardless of the ownership. The local authorities are free to customize the ordinance as long as the goals and framework of the Spatial Development Act [1] are maintained. Only 82 of the 265 municipalities have such Ordinances, including some stipulation...

Alkali-activated aluminosilicates and geopolymers in the dry-state are typical dielectrics which is a limiting factor for their utilization in new sophisticated ways in construction industry. Nevertheless, such an issue can be solved by using various electrically conductive admixtures to attain reasonable electrical properties that ensure new functional properties, such as self-heating or self-sensing. Self-heating ability is attained by the addition of electrically conductive aggregates or sufficient amount of me...

The paper presents the results of a study of the paramagnetic activity of humic acids of peat and sapropels of a vertical profile. Samples were taken near the Mukhrino field station located in the Ob-Irtysh interfluve. The article gives the botanical composition of the studied peat. G-factors were determined for the first 8 samples of HA. The g-factors of the studied HA are close to the g-factor of a free electron (2, 00230) and range within g = 2.00360±0.00015. The number of paramagnetic centers in the samples wa...

The long-term and high-level anthropogenic load on the aquatic ecosystem increases the probability of its adverse transformations (violations of the natural stability of its state and, as a result, the appearance of negative situations). These include diverse geochemical, biogeochemical, pathogenic biological, and, ultimately, medical and environmental consequences caused by the entry and further redistribution, and accumulation in water of highly toxic chemicals, among which heavy metals such as mercury take prio...

Spring-mass systems are known to experience vortex-induced vibrations (VIV) when exposed to viscous flows. These vibrations can be efficiently used for energy generation in ocean currents and rivers because significant power density can be extracted even from moderate flow velocities. The VIV generators typically include a large system of vertical or horizontal cylinders aligned perpendicular to the flow. The cylinders are connected elastically to a fixed frame and can oscillate independently. A recent comparative...

The methodology of sustainable forecasting of runoff and diagnosing bifurcations of its formation, being considered in the article, allows solving fundamentally new hydrological problems (including problems of engineering hydrology) related to the possibility of obtaining long-term estimates of the probabilistic characteristics of long-term river runoff under the conditions of evolutionary changes in the runoff formation factors (climate and anthropogenic activity on catchments). Currently, these long-term estimat...

At present, the impact of production factors on natural conditions and the environment of human life assumes a pronounced global scale. The level of exposure to technological factors and the degree of environmental degradation is the main problem of modern society. The sharply aggravated environmental problems set the task for science to comprehend the prevailing trends in environmental and economic development and to develop fundamentally new concepts for the influence of production factors on the development of ...

The relationships of environmental and economic costs during marine dredging and the volume of transported soil for water areas of Russia?s High North and the Arctic region and the other, more southern, seas of the Russian Federation are identified and analyzed. The analysis was carried out using a representative material of more than 300 dredging projects from the database of the St. Petersburg environmental and design company Eco-Express Service LLC. As a result of the work carried out, it was revealed that the ...

Soil erosion is one of the most dangerous environmental problems of rural areas, which is a major environmental threat to the sustainability and productivity of agriculture, but also one of the main threats to sustainability of economic and environmental development. Currently, erosion is understood as one of the forms of degradation and as a complex of various endogenous soil-forming processes. So the assessment of this process is necessary for better environmental policy. The environmental and economic assessmen...

The Bistrita River was the first river harnessed for hydropower purposes in Romania, starting with 1960. Currently, on this river, 29 hydropower plants with different capacities are functioning, producing about 10% of the entire Romanian electric energy from hydro. Many of them were realized in series, in cascade. In the present paper, the area of Pangarati, Vaduri, Batca Doamnei, and Reconstructia hydropower lakes was analyzed. Of these, three are Nature Reservations, Nature 2000, RAMSAR sites. The lakes being re...