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The paper deals with the actual flood risk assessment in Slovak Republic. The recent history of massive floods within the territory of Slovak Republic and their character is described as well as the latest flood and changing character of the flood causes. It is usually a natural disaster that occurs due to sudden or unexpected changes in the meteorological situation. A brief description of the crisis management bodies with focus on the major responsibilities of the Fire & Rescue Corps within the current Act on Flo...

Based on the nanomaterials market research, the global production of cobalt (II, III) oxide (Co3O4), aluminum oxide (Al2O3) and magnesium oxide (MgO) nanoparticles is large-scale (> 100 tons/year), which leads to their contamination of environmental objects and accumulation in organisms. Research and scientific forecasting of the potential hazard and the features of the accumulation of Co3O4, Al2O3, and MgO nanoparticles have been carried out. According to the research results of the physical properties of the tes...

The purpose of research is to study the joint influence of climatic and biological factors on materials in the mixing zone of river and seawaters in the mouth area of the Don River. In December 2018, studies began on the dynamics of settling of fouling organisms on experimental plates (aluminum alloys of grades AMg6 and D16 and carbon steels of grades 30HGSA and St3) in full-scale climatic tests in the mixing zone of river and seawaters at two stations (St.1 & St.2) in the mouth area of the Don River. The control ...

Efficient management of operating costs, processes and premises usage has currently become one of the basic requirements of building owners and operators. This results in an effort being made to optimize these costs in order to provide comfort and safety of both the employees and people present in the buildings, while not wasting basic operating media and human labour at the same time. Such optimization is dealt with by Facility Management. Its concept is slightly diverse in different countries as the definition o...

This paper presents a theoretical study on the free convection of pore water in saturated permeable rock mass during artificial freezing. Artificial freezing technology is widely used in the construction of mine shafts, tunnels and other types of excavation that take place under high water content conditions or conditions of high levels of groundwater seepage in soil and rock. A qualitative analysis of artificial freezing in water-saturated permeable rock mass shows that the effect of free convection can be signif...

Hydrogeological hazards are very common when dealing with underground excavations, and they can bring about a damage both for the tunnel (e.g., tunnel inflow) and for the environment (e.g., water resource depletion). The paper proposes an example of the contribution of hydrogeology to risk management in tunnelling. In particular, the two following issues are addressed: how tunnel inflow can be assessed, and how its impact on water resources can be quantified. These issues are discussed based on the state of the ar...

The purpose of this paper is to present a viable gamification framework model which can be integrated into a web application to manage the life cycle of PhD Projects for the students in University of Economics - Varna. To build such a framework different game design principles which can be applied in an enterprise environment are discussed, alongside an overview of modern examples of software solutions in the subject area. The model takes advantage of the competitive nature of PhD students by implementing trophy c...

Introduction. The extreme nature of environmental meteorological factors and the asynchronous change of day and night are considered to be one of the reasons leading to a decrease in the life quality in the Extreme North. These might lead to a violation of adaptive mechanisms under certain conditions. The combination of variants of polymorphic candidate genes causes functional disorders of the cardiovascular system. The research aims at studying the genetic polymorphism in children having pathologies of the cardio...

Jurisprudence and international cooperation in the field of pollution of international and regional watercourses have registered over time a rapid evolution if we refer to the documents issued by international and regional bodies that against the background of environmental disasters have come together and developed a series of tools legal and international vocation aimed at preventing and limiting the pollution of water resources. At intra-Community level, in order to prevent and limit the pollution of watercours...

The updated genetic classification of mineral deposits as natural objects, whose origin is ambiguous, is presented. The classification is based on the petrological and lithological principles, which makes it universal. The conditions for the formation of endogenic, exogenic, and metamorphogenic deposits are considered. Endogenous objects are divided into three groups: magmatic, metasomatic and hydrothermal. Sedimentogenetic, diagenetic, and catagenetic rows are distinguished among the exogenous deposits. Metamorph...

The factors of negative impact on the environment of oil and gas well construction processes, as well as conditions that aggravate the impact were considered. An overview of the most used ways of arranging the accumulators of drill cuttings and related drilling waste was presented. The characteristics of common pollutants that enter the geological environment during the development of an oil and gas field and the main features of their migration were given. Prospects for improving the design of oil and gas field i...

The results of a study of the dynamics of anthropogenic transformation of the species composition of the forests of Karelia using GIS technologies are presented in the article. The main object of research is the forests of the Karelian basement lake-taiga plain (eastern part of the Baltic crystalline shield). A quantitative analysis of changes in the species composition of forests in historical time was carried out for the first time. Retrospective, cartographic, comparative, historical and geographical sections o...

This article is devoted to the problem of organizing geo-ecological monitoring of water supply for territories with conditions of active karst processes. In these cases, the task is complicated by the difficult hydrogeological conditions of the locality and the high vulnerability of karst groundwater resources to pollution due to their complex hydrogeological structure. Karst water exchange systems are characterized by high natural and anthropogenic vulnerability of groundwater resources, and their extremely low a...

This work provides justification of the opinion that over the past historic periods natural resource management did not cause serious damage to the environment. The recent epoch differs from the previous ones in a large set of natural resource management types and inter se in the presence of environmental management systems to transform the landscape sphere. In particular, the article examines the mining complex impact on the structure of natural (landscape; hydro-geological; environmental) resources. The purpose ...

The advantage of countries with unique tourism resources is enhanced by a well-thought-out and focused innovation policy of state and regional organizations, which allows creating unique, attractive tourist offers that provide the state with a competitive advantage in international tourism. When researching the tourist potential of the territories and developing programs for their development, specialists have to deal with a large amount of information characterizing various aspects of space. An indispensable mean...

Scientific and technological development is an important requirement to ensure the development of geodesic and cartographic fields. At the same time, science and technology have also been identified as key in socio-economic development in the context of the world applying the great achievements of the Industrial Revolution 4.0. Technological changes in measurement and mapping such as satellite positioning technology, digital technology, network technology, etc. have been changing methods of receiving, processing i...

One of the tasks of top priority in the development of the underground mineral deposits in engineering geology is the forecast of changes in engineering geological conditions as a result of anthropogenic factors and the degree of impact on existing buildings and ?onstructions. The most significant anthropogenic impact is associated with the extraction of minerals and host rocks. As a result of the development of the underground space, the deformations of the earth's surface can occur, which may lead to the subside...

Creation of information system of the Republic of Kazakhstan groundwater resources and reserves implies the accumulation, systematization, processing and analysis of historical and operating data about status and use of groundwater and environmental bodies related to it. The system includes different-scale geoinformational models. Each model is built on the basis of materials contained in bases of semantic and graphical data. Semantic database contains structured text and numerical information. Spatial data are in...

The Southern Dobrogea is situated in SE Romania, being included, tectonic point of view, in the Moesian Platform. The Southern Romania is bordered by the Danube to the West and the Black Sea to the East. In the N, the Southern Dobrogea is bordered by the Capidava-Ovidiu subcrustal fault; towards south, it continues to the northern Bulgaria. In the Southern Dobrogea, a carbonate platform developed from Mesozoic (Upper Jurassic and Cretaceous), and continued through the Paleogene up to the Miocene. The Pliocene is m...

The level of geological competence of students studying in the areas of undergraduate studies ?Earth Sciences? and ?Pedagogical Education? (profiles Geography, Geography and Biology), determine not only the acquired theoretical knowledge and competencies, but also the ability to record and summarize field observations. The latter is formed in the process of a person's knowledge of the natural environment according to the didactic principle?- from the known to the unknown, from close to far. In Russia, it received ...

Radon (222Rn) is a natural gas produced by the radioactive decay of uranium-bearing rocks and soils in the Earth?s crust. Geology is one of the main factors controlling source and distribution of radon. Most rocks and soils possess small amount of uranium, but there are particular types of bedrocks and unconsolidated deposits characterized by higher than average uranium contents. These lithological types include some granites, light-colored volcanic rocks, phosphatic rocks, ironstones, limestones and shales rich i...

It is well known that geomagnetic field varies in time, as well as in space. Besides, the world magnetic models which are the main sources of information concerning the values of geomagnetic field elements in a particular place, we present more precise and accurate model of these elements covering the territory of Bulgaria. Our study uses information from the last absolute geomagnetic survey involving measurements in 473 points, secular data from Panagyurishte (PAG) and several other Intermagnet observatories near...

The scope of this research is to present and discuss information for ?Ada Tepe? open pit gold mine geological section within ?Khan Krum? gold mine deposit in South-Eastern Bulgaria. The mine is located near to Krumovgrad, approximately three kilometers south of the town, at Ada Tepe hill. The deposit is designed to extract 850,000 tons of gold ore per year over an eight-year period. Conventional open pit mining methods are planned to use for gold mining. The gold ore is currently processed in dressing plant, invol...

Landfills (dumps) are places where the end of the life cycle of products can be found - useful material is dumped away from the sight creating contaminant flows around. Another problem is huge unexplored potential of resources recycling - we have limited knowledge also on useful elements and materials that are buried. The solution to overcome the limitations that provide remote sensing and traditional geodesy, proximal sensing techniques could be used. ?Near surface geophysics? with operation at or just below the ...

The area of underwater seismic and geophysical exploration is now rapidly growing with increasing complexity of the employed equipment. At present, more reliable data are gathered by Ocean Bottom Seismometers - autonomous instruments used in long duration seismic surveys. The general idea behind this equipment is that autonomous devices are unable to transmit data in real-time and require offshore operations for periodical deployment. However, the task of a permanent underwater monitoring for seismic events with o...

The issues of the spatial distribution of complex occurrence of surficial type uranium and strontium mineralization are presented. In this study, we show the preliminary results of complex processing of remote sensing and ground data, including detailed geological mapping, geochemical and mineralogical assays, geophysics made by analysis in GIS. We found a significant variation in commodities co-distribution, which impacts the resource classification. The investigated area is located in arid conditions of south-we...

The study area is located in northeastern Bulgaria (Northern Bulgarian Black Sea Coast), between the Ikantalaka locality, Balchik municipality and the village of Bozhurets, Kavarna Municipality, Dobrich district. From an engineering geological point of view, the region falls within the Balchik Landslide Area, which is characterized by old and recent landslides with linear-stepped and packaged construction. In the formation of landslide processes in the study area, the direction of subsidence and the angle of incli...

Construction and further operation of buildings and engineering structures in karst-hazardous areas in most cases is connected with possible man-made increase of geodynamic manifestations of karst processes. As a result of this, in the soil foundations of engineering structures, the appearance of decompression zones with reduced load capacity is possible. In some cases, an active manifestation of karst-suffusion processes is possible. In this case, the probability of unacceptable deformations of the soil base with...

In the framework of reconstruction of the Old Bridge, two exploratory wells were made in the channel of the Danube River. The depth of the exploratory wells was up to 55 m below the modified terrain around the bridge pillars. The role of the exploratory wells was verifying the thickness of Quaternary sediments and simultaneously verifying Neogene soils properties located in the channel of the Danube River. The exploratory wells verified that the Neogene subsoil of the Danube River is predominantly made up of silty...

In this research, the term risk follows the definition by the United Nations (UNDRO [1]) and refers to the expected losses from a particular hazard to a specified element at risk in a particular future time period. In our case, population exposure refers to the human occupancy of hazard zones in Bulgaria, or the population present within the hazard area that would be potentially directly affected by an event. Placed at the central part of the most seismically active region in Europe, the territory of Bulgaria is s...

The problem of reducing the negative environmental impact of soda ash production wastes using the ammonia method is relevant for all countries with such production. Therefore, the objective of this work was to summarize and analyze the experience of Russian researchers and foreign scientists in using existing technologies and methods of using soda ash production waste. The secondary use of this waste solves several problems at once. On the one hand, it reduces the negative impact of accumulated waste on the compon...

The threats of global change in the 21st century are becoming increasingly significant. Soon, humanity will face not only new climatic phenomena, but also many other related events, which clearly include demographic unrest on many continents. The consequences of these events will be reflected in increased tensions between countries, peoples and groups of people, who will tend to avoid new, in many cases negative, conditions. . The changes will affect not only vulnerable areas, but also regions with a relative calm...

The paper presents the results of a study of the granulometric composition of terrigenous reservoir of the Nizhne-Karmalskoye super-viscous oil deposit. The main interest is a sand pack composed of weakly cemented and loose fine and medium-grained sands and sandstones. Clastic grains are mainly bonded with high-viscosity oil. the thickness of the sand pack on the deposit varies widely. The grain size of reservoir rocks has a significant impact on the reservoir properties of rocks and reservoir productivity as a wh...

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...

Public and green areas are a matter of interest for the Republic of Croatia and local government and are in general use. Informational systems of green areas are a result of politics which reckon on the concept of sustainable development. They are the tools for efficient managing, sustaining and planning of green areas. Active participation of the citizens in updating and reporting damages on public green areas is also one of the ideas of these systems. The task of the project ,,Green Information Systems in the ci...

Ground-Penetrating Radar (GPR) surveys can enhance the quantity and quality of information, when applied to archaeological prospection. The potential of the GPR method lies in its relevance to a wide range of site conditions and the complementary nature of the data in comparison with other geophysical methods. The Aegyssus archaeological site is located on the Monument Hill, in the north-eastern section of Tulcea, and was built at the end of the 4th century B.C. Its name, of celtic origin, derived from the legenda...

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...

Background: the exposure to high levels of vibrations could induce health problems resulting in the damage of joints, muscles, other than pathologies connected to the circulation and the sensory nerves. These phenomena are often related to the use of machines that require high efforts, repetitive movements, or not ergonomic postures. Methods: 13 Radial Arm Polisher Machines (RAPM) of different manufacturers and different ages were investigated in order to analyze the vibrations produced during a whole process of m...

Climatic factors of the Far North can form a risk to human health due to diseases of a number of organs and systems. In the context of the need to adapt the population to these conditions, it is relevant to assess the public health risk. However, not all factors can be assessed due to the lack of the necessary parameters for their assessment. In this regard, it is relevant to identify the hazard (harmfulness) of climate factors that may cause the formation of a risk to public health, for inclusion in further risk ...

The purpose of this evaluation is the assessment of acceptability of the operation of a projected supermarket and its impact on public health status in its close environment. This assessment is instigated by the demand on commercially usable premises. The growing consumption of households in the present society focused on consuming leads to tendencies to extend networks of commercial units offering wide range of both food and non ? food products. In the environment of the Czech Republic, such units are built not o...

Occupational diseases linked to noise risk are still one of the most important employment problems, particularly in the quarry activities. Many negative effects on human health can arise after long exposure to noise in an occupational context. To protect workers' health and prevent hearing problems, employers must provide to workers with hearing protection equipment. In recent years, however, there have been many problems with the use of hearing protection devices. These have a highly mitigating effect but can iso...

Technological processes that are applied at civil engineering and metallurgic enterprises involve intense emissions of solid particles into ambient air. Adverse impacts exerted by particulate matter on human health have been confirmed by multiple research works, both domestic and foreign ones. At the same time, an extent to which technogenic dust emissions are hazardous is determined by contents of various chemical components in them including heavy metals. The research goal was to quantitatively and qualitatively...

The problem of higher education is a priority for the strategic development of the professional land administration, cadastre and geodesy. Innovative development of the Russian economy requires the modernization of higher education aimed at preparing professionals who are proficient in modern digital and intelligent technologies at the level of world standards. Training of specialists in land administration and cadastre for the establishment of an effective land administration system in the country plays an import...

The article is dedicated to the 130th anniversary of the publication of L. Mechnikov's book ?Civilization and the Great Historic Rivers,? where the author outlined philosophical views on the geographical theory of progress and the influence of the environment on the formation of society. This book has not lost its scientific significance at the present time. The book is multifaceted and somewhat controversial but provides "food" for inquisitive minds. It is not in our competence to evaluate this work from the pers...

One of the intensively developing complex scientific areas that finally took shape in the second half of the twentieth century is the study of the Earth and planets from aircraft and space vehicles. In the development of remote sensing, one of the most characteristic features of the genesis of science as a system of natural and technical knowledge of recent decades was manifested - the synthesis of various sciences. A retrospective analysis shows that remote sensing is at the intersection of sciences and various b...

Historical mapping of landscapes shows the characteristics of the relationship between man and landscape in certain chronosections and gives the opportunity to analyze and reconstruct the dynamics of nature management, environmental situations and the anthropogenic evolution of landscapes. An analysis of the development of the relationship between man and specific landscapes, studies of the dynamics of nature management of the old habitable territories are currently impossible without landscape-historical mapping ...

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...

The article analyses issues of renovation program elaboration and implementation, as well as selection of their methods in Russia. Housing stock renovation should improve living conditions of the population. So the right decision on the renovation method meeting the housing stock condition in the country, directly affects the country?s level of socio-economic development. The author systematizes factors determining a renovation strategy. The article shows that many issues in the following areas are not considered ...

This paper will explore the characteristics of matrix structures and their relationships with project success managers, such as quality of communication, collaboration, support in problem solving and the effectiveness of project management among project team members. The matrix characteristics that were expected to be positively related to project success are mainly related to success leaders. However, the characteristics that are expected to negatively impact project success did not indicate such significant rela...

The printer?s building and its associated operating costs are usually (after its payroll) the company?s second highest expense and a major factor in determining its environmental impact. The energy consumed in buildings is about 25-40% of final energy consumption, plus the related carbon footprint. Some printers have re-invented their working environment to improve their overall economic and environmental efficiency ? a ?lean and green? strategy. It must be recognized that the printing industry is part of an ecosy...