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The continuous development of data acquisition and processing techniques in planetary geomagnetic observatories and satellite data, allows at this time to extract as complete information about the morphology and evolution over time of the terrestrial geomagnetic field. The Sun, the source of all energy on Earth, heat the planet and drive the motions of atmosphere. The brightness of the Sun with 11-years solar cycles with 0.1% variation may be explaining the major driving changes in weather patterns on Earth. At th...

Companies worldwide are facing the challenge of transitioning to green economy, which is the result of a concerted effort together with governments, agencies, organizations to reduce the environmental burden of the modern activities in all sectors: manufacturing, transportation, energy production, etc. One generally accepted method of transition represents investing in renewable energy. In order to evaluate the impact of these investments indicators, such as NOx emissions, carbon footprint, energy consumption and ...

The study of ways and means of introducing adventive vegetation species into the of steppe zone landscapes ecosystems is an important aspect in the processes of temporal and spatial landscapes transformation study. Natural anthropogenic landscapes are artificial systems created based on the zonal vegetation natural framework but at the same time supported by humans. Often, native species of vegetation are replaced in the anthropogenization process and are replaced by species that are not the area characteristic. I...

Drilling and blasting operations are one of the most important mining processes in open pit mines which encompass the crucial part of mining costs. Today, despite the development of mechanized drilling in surface mining, blasting operation has remained as an inseparable part of mining operations in most open pit mines. This paper tries to develop a mathematical model for finding an optimal length and width of the blast block for minimizing drilling and blasting costs in open pit mines. With the approach, the most ...

There are many studies focusing on indoor air quality in primary and secondary schools. Nevertheless, studies in nursery schools are still few. Concentrations of indoor air pollutants are typically 2-5 times higher, and occasionally 100 times higher than outdoors. Children spend more time in nursery and preschools than in any other indoor microenvironment besides home. It is generally assumed that preschool students are more susceptible to the adverse effects of poor indoor air quality (IAQ) than elementary or mid...

The subject area of this article applies to a study of low frequency noise - mainly infrasound signals generated by the operational indoor power transformer. The object of the study is localized in south Poland with a total apparent power equal to 1250 kVA. In addition, the power transformer is located away from national roads and motorways. Scope of the performed analysis includes designation of time runs, depicting temporal changes, and designation of frequency spectra of the recorded low frequency signals. Eval...

Reasons for complete mixing of meromictic reservoir are an interesting scientific problem. There are many salt lakes of meromictic type. Water column in such lakes is not mixed down to the bottom for at least one year. So two layers are formed: an upper layer saturated with oxygen and a bottom layer without oxygen but with hydrogen sulphide accumulate. There is a water layer with large density gradient between them, while in the upper and near-bottom layers density gradients are small. In case of mixing of the upp...

Processing of weathered material from UG2 ore for recovery of Platinum group minerals (PGMs) is a challenging task due to poor recoveries and high chromite grade in the flotation concentrates. The flotation behaviour of the weathered and non-weathered ores of Middle Group 4 (MG 4) was investigated at different mining pit depths using sodium isobutyl xanthate as a collector, Sendep 30D as depressant and Senfroth 200 as a frother. The milling tests work were conducted prior to flotation. The results depicted that, t...

Lately, the optical wireless communication systems (OWC) are beginning to be more developed. Because of the rapid development of the technology and the desire of an eco-friendlier environment, the conventional lighting systems began to be replaced by LED lighting systems. The advantages of this systems are that the energy is more efficiently used, the lifespan is longer, and they generate lower heat. The new developed Visible light communication (VLC) technology can be used, besides illumination, to transmit data ...

One of the major problems in the world is the fight against environmental and water pollution, greenhouse gases, fine dust particles, the major producer, along with them, carries goods and passengers as the main responsible for all this. This requires the use of degradable materials, the deployment of energy-efficient machinery, the construction of appropriate energy-saving facilities and buildings. Additionally, the advent of electric vehicles makes it necessary to build new electrical routes on the one hand. On ...

Molecular simulation methods were used to describe the spiral-structure of halloysite (7 A) loaded with irinotecan in Materials Studio modeling environment. Halloysite is a clay mineral commonly used as a drug delivery system for a variety of molecules due to its suitable characteristics and its morphology. Irinotecan is a semi-synthetic drug used in the treatment of colorectal cancer and exists in an active lactone form and an inactive hydroxyl-acid anion form[1]. In this work, the anionic form of the irinotecan ...

The Lazy Bledowskie well field located in the area of the Upper Silesia (southern Poland) abstracts water from the Triassic carbonate aquifer. The aquifer is additionally heavily drained by the Zn-Pb ore mines. Due to a deterioration of groundwater quality, caused mainly by sulphate concentration reaching 317 mg/L, most of the wells have been closed and currently only 2 wells are exploited. Sulphates origin in water has been a concern issue of many researchers. However, there are difficulties in identification of ...

This study examines potential organizational and economic problems that business entities may face when developing measures to improve safety when handling wastes with hazardous components. The study was conducted on the example of waste of a large machine-building enterprise. More than 80% of all industrial wastes (by mass) are moderately hazardous, slightly hazardous and practically non-hazardous waste. Less than 10% waste is extremely hazardous and highly hazardous. As part of the work, more than 40 types of wa...

Creating roads in agricultural land covers many aspects like legal eligibility, planning and design, road safety, quality assurance, mobilization of resources, environmental protection, social contribution, maintenance management, research and development provision, etc. Currently, the issue of construction agricultural roads is underestimated. Priority is given to highway construction. Society is not institutionally, scientifically and resource prepared to promote this process. The goal of the paper is to examine...

Nowadays the tackling climate change is the greatest sustainability and environmental challenge for the world. The United Nations Framework Convention on Climate Change (UNFCCC) as the political forum, particularly Paris meeting held in 2015, agreed that international and national actions on climate change are necessary. Climate change has already become significant in Europe, with the mean temperature increasing, and extreme weather events becoming more frequent. Europe (i.e., Latvia) is warming faster than many ...

The paper deals with the problems of the modern economy in terms of the system paradigm, the possible progressive development of socio-economic systems based on the law of harmony, expediency socio-humanitarian model of society. The decisive role in the country's economy is emphasized in the quality of human resources, the harmonization of which requires a high level of intellectual capital and good physical health with the reduction in the working-age population. The studies revealed the problems of efficiency an...

The way of maintenance and updating the real estate cadastre is regulated, at present, by the Act of May 17,1989, The Law of Geodesy and Cartography [6] and by the decree of the Minister of Regional Development and Building Industry of March 29,2001 ? the cadastral law [1]. Updating the cadastre at the stage of setting out a building object is of particular importance; it has specified tax effects. Usually, the charge due to a property tax is increased what results from the real discontinuation of agricultural act...

The importance of this study is to underline the fact that the wind energy potential in the western part of the Black Sea basin can be considered significant, while the wave energy is lower in comparison with oceans. However, in winter time when energy consumption in Bulgaria and Romania is high, the wave energy presents the highest values. The aim of this research paper is to draw a comprehensive picture regarding the wave and wind energy near Bulgaria and Romania coastlines. More precisely, six locations were st...

In the mining industry, open pit mining is accompanied by the most significant disturbances in the landscape and hydrological conditions of the development area and disturbed or complete loss of soil cover over large areas. With the existing technology of stripping works, reclamation of disturbed lands is carried out separately and requires additional costs for its implementation, and in most cases is not carried out, which has led to a tendency of accumulation of disturbed lands. Currently, reclamation of disturb...

The article is devoted to the study of the formation of industrial clusters on the territory of the Southern Federal District (SFD) of the Russian Federation, as well as the rationale for the feasibility of this management activity, taking into account the industrial-industrial complex formed in the macroregion, represented in the sectors of the agro-industrial complex, chemistry and petrochemistry, metallurgy and engineering, food industry, etc. A statistical analysis of the main indicators of the development of ...

This work presents laboratory experiments for the development and testing of methods for the selection of the cross-linked polymer for one fractured carbonate reservoir with high salinity (about 220 g/L). For this carbonate reservoir, the applicable industrial polymers are very limited because they cannot effectively increase the viscosity under such a high salinity. Therefore, a crosslinked polymer gel was proposed for enhanced oil recovery in this reservoir. For choosing the most suitable cross-linked polymer fo...

In the oil and gas industry the problem of utilizing produced water is solved by recirculating it and using it as a basis for fluids for hydraulic fracturing and the well killing. During the oil production formation water is extracted in association with it to the surface. Its component composition depends on both the chemical nature and geological age of rocks and it is formed as a rule with a significant impact of oil and gas on water that leads to a wide variety of its chemical properties. In the process of wor...

The quality of products in regions that specialize in viticulture and horticulture depends on many environmental factors, but the importance of the concentrations of trace ele-ments in the rhizosphere is no less important than the main elements of mineral nutri-tion. Viticulture in ancient times played a different role in the economy of Tauric Cher-sonesos at the near chora (on the Herakleian Peninsula (South-West Crimea)) and at the distant chora (in North-Western (NW) Crimea). Modern climatic and soil-lithologic...

Upper Volga basin is the most significant Upper Volga part of the Great Volga Route. Landscape-ecological studies were conducted on the regional (for the whole basin of the Upper Volga) and local levels (for key areas). The research covered the initial period of social-natural history of this region, from Stone Age till late medieval period. The research included processing and analysis of numerous published and archive materials of the area and subjects of studies, as well as complex landscape and historic-archeo...

Historical land-use and land-cover are the key input for the evaluation of past global change and nowadays processes. These studies lie in the intersection of physical and social geography, economy, history and archeology. The original combination of GIS technologies within landscape, historical, archaeological, paleogeographic methods forms the methodological basis of research. The main practical task is to identify the relations between landscape features and different types of environmental management and settl...

The concept of Multi-access Edge Computing (MEC) is introduced with the intention to improve network performance and quality of experience for end users. MEC brings cloud capabilities at the network edge and thus it helps to reduce the latency, increases network efficiency and security, providing context and radio network information awareness for applications. The MEC deployment closer to the Radio Access Network (RAN) is the best way to receive radio network and location information, to manage the bandwidth, and...

The glacial lake Kucherla is located in the Altai Mountains at an altitude of 1790 meters above sea level. We use the 112 cm core obtained in March 2018 from the deepest part of the lake (45 m) for the study. In the process of coring, special attention was paid to the preservation of the upper layers of the bottom sediment (water - sediment boundary). Bottom sediments of the lake contain visual layers with a thickness of 1-3 mm. We count the layers using photographs of the optical sections. Counting the layers and...

In this study, activated carbon obtained from marine green algae biomass (AC-AB) was used as adsorbent for the removal of Pb(II) ions from aqueous media. The effect of initial solution pH, adsorbent dose, contact time and initial Pb(II) ions concentration were studied in batch system, at room temperature (22 ? 1?C), to determined the optimum experimental conditions. Thus, an initial solution pH of 6.5, 4.0 g AC-AB/L and at least 60 min of contact time were found to be optimal experimental conditions for the retent...

Before the beginning of the 2000s, in the process of acquiring land in Russia, the main risks, that had to be analyzed and taken into account, were risks associated with the registration of land and with encumbrances. Issues, related to the ability to build on the land some constructed objects and carry out economic and other activities, as a rule, were not analyzed. The presence of zones with a special regime of land use allocated for environmental and sanitary requirements can significantly affect the achievemen...

Biogas production and its use in biogas plants presents established technology with the aim of production of renewable energy and also using organic residues with different origin. The main goal of this work was to analyse potential legume and grass crops in methane production as an alternative to corn silage. Ten different crops within individual variants were chosen as a potential source of biomass for biogas production: Medicago sativa L. (two varieties), Trifolium pannonicum L., Galega orientalis L., Lolium pe...

Among the current areas of modern geochemical research is the study of pollution of aquatic ecosystems with heavy metals. Mercury is a heavy metal that is subject to mandatory monitoring. The authors systematized the scattered data. This article presents an analysis of the occurrence of high and extremely high pollution of rivers of the Russian Federation with mercury over a long-term period. Every year, monitoring services record cases of multiple exceeding the maximum permissible concentrations of this metal. It...

The upper Triassic and lower Cretaceous sediments within the Euphrates graben are one of the most important oil and gas reservoirs to the east of Syria. Based on sedimentological investigations of core materials using methods of optical and scanning electron microscopes (SEM), accompanied with EDS and XRD analyses, four major lithofacies have been detected in the upper Triassic sediments, these include; 1) Lithofacies major sandstone bodies (code: Sst-1); up to 60 m in thickness, composed of medium to coarse-grain...

Pontian and Dacian formations in the eastern area of the Dacian Basin are represented by a succession of poorly consolidated clay, sand and sandstones, formed in dulcicol, low deep environment. This is evidenced by the existence in these rocks of characteristic fossils for this type of environment. In gray clay rocks sometimes black charcoal clay enclaves are found. Some alternate layers of metric thick layers of clay, sandy clay and clayey sands with charcoal intervals of thickness from a few centimeters to almos...

Animals have always accompanied man in specific activities, but also have provided the food supply through products of the livestock and food industries. Nutritionists remind us that we need meat, milk and eggs, as main products of livestock. Nowadays, the livestock sector is modernly equipped and it is coordinated by IT programs, which is why production can be anticipated, including risks. At the same time, modernity does not exclude the specificity of the place where livestock is concerned, to which the farmer i...

The object of the considerations taken up in the article is the operation of local action groups in Poland, which were established in rural areas under the Leader approach. Their functioning is an expression of a specific EU policy approach to local development with the active participation of local communities. As part of local action groups, cooperation between the social, economic and public sectors is undertaken, which is an innovative approach in the development policy towards rural areas in Poland. The partn...

Mathematical data processing has allowed us to build logical information models based on machine learning (select a lot of informative features (elements), indicating their separating weights and ranges of changes in their values (intervals-indicators), typical for each of the groups of deposits of various formation types). The constructed logical-information models are based on a representative analytical database of 95 gold deposits and gold occurrences in the North-East of Russia. Samples were studied by modern...

In open pit mining operations, production scheduling is a hierarchical process for optimization of extraction capacities, resource allocations and types of ore dispatches. Production scheduling deals with equipment capacities, time periods, reserve constraints, wall slope restrictions, ore grade averages and feed controls to mill over a reasonable long-term schedule. Its results then form the inputs of short-term functions more detailed such as scheduling and to control at a lower level which usually has more accu...

The Gulf of Finland belongs to the large gulfs of the Baltic Sea. The Eastern part of the Gulf of Finland is an estuary of the Neva River. The climate of the Gulf of Finland region is intermediate between marine and continental. Cyclonic atmosphere circulation prevails over the Gulf of Finland throughout the year. The heterogeneity of water masses in the Eastern part of the Gulf of Finland is closely related to significant spatial variability of salinity and water temperature. Water salinity strongly depends on in...

As part of global monitoring of contaminants delivery to ecosystems via atmospheric transport it is valuable to investigate the accumulation of pollutants in lacustrine sediments, in particular in those remote from cities and industries as potential sources of pollution. Not only conclusions about human impact have been inferred from the proxies, but they also have been used to distinguish it from climatic-driven shifts. Three relict lakes Khotavets, Pogoskoye and Beloye in North-Western Russia have been cored and...

Water erosion is considered to be the most important factor behind the degradation of agricultural land, together with human activities such as tillage erosion. For this purpose, the empirical models (combined with GIS technologies) present valuable way how to localize and calculate the prone areas to erosion processes. This study deals with the assessment of the potential soil water erosion in two small catchments in the north-western part of the Czech Republic. The applied models are MUSLE (Modified Universal So...

The study presents the results of the development of low-noise broadband hydrophone based on molecular electronic technology (MET) for mineral exploration systems in transit zones and on the shelf to depths of about 100 meters. The study investigates amplitude-frequency response (AFR), self-noise, dynamic range, and stability of sensor characteristics. The paper provides the results of experimental studies of prototypes in a laboratory and natural conditions in the Kara sea, including a comparison with hydrophones...

In comparison with West Europe, Polish luxury residential real estate market is characterised by a relatively low level of prices and a relatively low number of properties with very luxurious character. Transactions concerning luxury apartments constitute approximately 1% of all transactions of sale of residential real estate in the largest cities in Poland. Due to the growing income and improving level of life, demand for luxury apartments in Poland is constantly increasing, and the market has good perspectives f...

Growth in computational performance, the amount of accumulated data about the environment and experience of handling such amounts of data leads to an increase in the number of applications of data analysis. Weather forecasting is one of these areas. Weather forecasting uses a variety of data and meteorological models describing the physical processes in the atmosphere. Machine learning algorithms can correct some errors of these models and improve weather forecasts. To improve the temperature forecast, we added to...

The macroseismic intensity attenuation and its variation as a function of the epicentral or hypocentral distance is one of the issues in the seismic hazard assessment and of shake map generation. This output is especially required by emergency situation inspectorates or by the insurance companies. The macroseismic intensity investigations are carried out in Romania after all earthquakes with magnitudes larger than 4.0. Starting with 2014 the classical method for macroseismic information collection was doubled by t...

The paper presents a review of influence exerted by subsurface microbiota on hard rocks in the underground space of megalopolises. It describes main strategies used by microorganisms to attach to different mineral surfaces, considers natural and technogen-ic conditions, under which microbiota develops in the underground medium. Particular attention is given to the presence of aquifers with different chemical composition and contamination level, natural occurrence of organic layers in the rock section, urban source...

Aim of the study is to unveil how the choice of software and cameras influences the quality of 3D models. There were compared three different softwares: (1) Pix4D (2) Agisoft Phtoscan, and (3) Visual SFM with dense cloud module Yasutaka Furukawa's CMVS tool and four different cameras (1) Canon EOS 760D, (2) Canon EOS 600D, (3) Canon Ixus 185, and (4) Sony Xperia Z1 smartphone camera D5503. Cameras represent different price segments and technical parameters. The photos were taken with all the cameras from identical...

Forests are not only ecologically important for the existence of ecosystems, air purification and its supply with oxygen as the Earth's lungs, but they also have social and economic significance that directly affects the quality of life and sustainable development in general. Given that about 40% of the entire territory of Kosovo is a forest area, and the fact that they are considered as part of national wealth, they continue to be affected by fires and illegal and uncontrolled logging of the human factor. If we l...

In terms of the port development, the challenge of our days is to create ecosystems, communities of interest and practices that will do the ports smarter and more attractive. The analysis we have done shows us that, if the port administration wants more efficient traffic management it is possible to achieve only by interlinking the information and communication systems. Nowadays, the possibilities of implementing the own digital systems in order to have a realistic data monitoring and to anticipate the changes, in...

The oldest Romanian research focused on the Romanian Black Sea continental shelf was published in the volume The Sulina Arm. An outlet to sea (Danube European Commission, 1856). At the beginning of the 20th Century, The Marine Map ? Romania?s coastline was elaborated by Catuneanu. Additionally, biologists, geographers and geologists, such as Grigore Antipa, Ion Borcea, Constantin Bratescu, and Radu Ciocardel, among many others, initiated significant studies within the Romanian continental shelf in the first decade...

Quantifying and mapping ecosystem services (ESs) is one of the most developing opportunities for presenting the relationship between natural capital and society. This method helps decision-makers and stakeholders in the complex evaluation of straightforward (provisioning) and more difficult to interpret (supporting, regulating and cultural) type of services, and to take them in account in decision making. This can be a significant step ahead in the proper assessment of non-material services, which could help optim...