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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...

Nowadays, in the entire world, we can clearly see the effects of climate changes. Indeed, during the last twenty years, climate-related and geophysical disasters killed around 1.3 million people and left a further 4.4 billion injured, homeless, displaced or in need of emergency assistance. From this framework, it is clear that we need policies to improve the resilience of our cities. Those ones are only some components of a more complex system that includes also natural elements, i.e. the territory. Therefore, in ...

This paper demonstrates stable intra-field heterogeneity maps constructed during the analysis of large satellite data. The analysis of the effectiveness of the use of maps of stable intra-field heterogeneity of soil fertility in systems of precision farming has been made. It is shown that on the basis of maps of stable intra-field heterogeneity, it is possible to construct task maps for precision farming. The economic efficiency of the use of task maps for the differentiated input of chemicals was calculated. The ...

Redefining the maritime space security framework is actually a top priority for any European maritime country, and Romania is no exception. Several research projects, all in connection with the safety of the maritime space and the submerged cultural heritage have been addressed by the Romanian researchers during the last years. Among them, the project entitled ?Implementation of a geophysical investigation and monitoring tool of the Romanian maritime space security ? MAR-S? explicitly aimed at demonstrating the ef...

The paper is concerned with the evaluation of the influence of the proximity of important protected location on the market value of land compared with the market value of land outside these locations. The database of values of land near or directly inside the locality classified as a protected natural site will be created in the paper, as well as the database of similar land outside such locations. The market values will be created from these databases. Then the paper will deal with the comparison of these values ...

The research in coal deposit management from the lignite open pits can be developed in various directions, considering the number of practical situations which may occur in various domains of economic activity. The organization of the deposits to ensure the efficiency of the entire activity from the coal open pit assumes the optimization of transports, the removal of material losses during the coal storage, the intensive use of production capacities, the general decrease of storage and dispatching expenses for pro...

The article presents the results of statistical processing of field surveying observations data of the displacement process on the earth's surface. Currently, the main method to monitor displacements and deformations of the earth?s surface during mining operations is to determine the coordinates of reference points of observation stations. This method allows you to obtain reliable data on the movements of points in the displacement trough and form an idea of both the shape of the trough and the values of deformati...

Forest fires damage biogeocenoses. Forest fires affect trees, vegetation and soils. This influence can be both positive and negative. The thermal effect of a forest fire on the soil layer is important. It is necessary to develop mathematical models for understanding the processes of thermal effects of a forest fire on the surface soil layer. Earlier, a simple mathematical model was developed which takes into account the given characteristics of a forest fire and heat transfer in the soil layer by conduction. The p...

The paper presents the calculation of the trajectory of an axisymmetric fracture propagation in an isotropic poroelastic medium considering fluid leakage and viscosity. The problem was solved using the extended finite element method (XFEM). It allows to obtain solutions containing a displacement jump with the help of discontinuous functions, and solutions near the crack tip with special asymptotic functions. This method can simulate the process of initiation and propagation of a crack in the direction that is dete...

We are the generations that are most acutely confronted with the reduction of natural resources and the negative effects of the impact of human activities on the environment, and this forces us to change both, our thinking and the way we relate to the environment and to the economic and social activities. The complexity of the 21st century human society and economy is also the most important source of vulnerability. As a result of aggressive consumption of resources, we must abandon existing linear economic models...

Study of wave motions fluid is one of the most important and complex problems of modern hydrodynamics. A mathematical model for dynamics of incompressible uniform viscous liquid stains in stratified medium is suggested. This model is described by the Navier-Stokes equations in the Boussinesq approximation. Stratification component of medium is saltiness. Bearing in mind that in such flows there are areas with large gradients of hydrodynamic parameters required methods should possess such properties as a high order...

The evaluation of the catalog parameters of the voltage, the current of a PV module is essential in the design and implementation of photovoltaic systems, the reference parameters differ depending on the temperature of the operating cells and the different levels of radiation. The analytical methodology was the basis for creating a characteristic model for modeling a cell or a photovoltaic module in Matlab/ Simulink, using cell data at STC, considering standard global radiation G = 1000 W/ m2, the operating temper...

In this research we have obtained mathematical relations between elastic constants, such as Young's modulus and Poisson's ratio, using single-crystalline silicon as an example. When the obtained relations are fulfilled, the influence of misalignment of the crystallographic directions and the coordinate axes associated with the sensing element of microelectromechanical sensors on the stress-strain state and natural frequencies of sensing element will be minimal. Therefore, the influence of such misalignment on the ...

This article opens a broad topic of temperature measurement to suppress the influence of atmospheric refraction on geodetic measurements. The article's content is limited to the basic view of atmospheric behaviour, specifically, on the measurement of the temperature changes in the atmosphere close to the terrain (height 0-2 m), in which engineering geodesy measurements are commonly performed. For this basic experiment we have chosen a grassy spot on the campus of the Faculty of CTU in Prague. The measurement itsel...

Since last century, on our planet the global processes are activated thus significantly complicating the safe existence of the humans. The most dangerous natural hazards (out of 12) for Georgia are: flood, flash flow and mud stream, leading to huge financial losses and casualties etc. Flash flow is usual phenomena for all rivers of Georgia. Particularly mountainous river Rioni is one of them and characterized as high disastrous one. According the data of multiyear observations till the 1995 the flood had 5-6 years...

This work presents a mechanical and physical characterization of rock material from different slopes located in the town of Coimbra (Central Portugal) and its adjacent areas. The slopes are designated by numbers from 1 to 7. Slopes 1 and 2 are placed in Lower Jurassic Formations. Slope 1 is composed by marly limestones and marls. Slope 2 is constituted by dolomitic limestone. Lower Cretaceous Sandstones outcrop in Slope 3. Slope 4 is placed in the Finisterra Microplate and Slopes 5, 6 and 7 belong to the ?Schist-G...

Concrete is a widely used construction material. Extraction and processing of raw materials used for its production requires a lot of energy and poses threats to the environment. At present, in accordance to the idea of sustainable development and close circuit economy, it is recommended to aim at the maximum reduction of raw materials by replacing primary materials with secondary raw material (recycled materials) or industrial by-products. One of the pro-ecologic attitudes is introducing secondary wastes from the...

Ketoprofen is well-known drug due to anti-inflammatory, analgesic and antipyretic properties, and is widely used in the treatment of various acute and chronic inflammatory diseases, including rheumatoid arthritis, osteoarthritis, ankylosing spondylitis as well as menstrual abdominal cramps. Its therapeutic benefits in the prevention of various cancers including colorectal and lung cancers as well as in the treatment of neurodegenerative disorders such as Alzheimer?s disease, Parkinson?s disease have been establish...

Reducing consumers' electricity supply time, reducing downtime in selection of the medium-voltage feeder faulty branch requires that the network be equipped with commanding devices, automation and modern primary switching equipment.The medium voltage automation system will be based on the degree that, each line, contributes to attract sanctions for unplanned interruptions, and by analyzing the causes that determine the interruptions in continuity of electrical energy supply in the past two to three years.The adopt...

Crete is well known as a possessor of one of the most ancient cultural layers of Ancient Greece. At the same time the oldest cultural stages at Crete are quite different. These differences are most often identified in the outstanding archaeological cultures of the Bronze Age, complemented by a large number of high value historical monuments. In contrast, the historical period between Prehistoric Crete and Minoan Civilization is studied only fragmentary. The evidence and ruins of monuments of this final stage of th...

Forests present up 41.3% of the total area of the Slovak Republic. However, for forest soils no limit values for risky elements are given by the legislation, as it is for agricultural soils. The aim of this study was to monitor forest soils of 7 regions in Slovakia. Soil samples were collected from 70 sampling sites in 9 selected localities. Environmental risk was evaluated on the basis of total Hg soil content determined by CV-AAS (cold vapor atomic absorption spectrometry) method, the background Hg soil content ...

The qualitative and quantitative composition of biomass of microorganisms has been studied in key points of artificial biocenosis: water filter, duckweed and pond snail. Metagenomic studies have shown the presence of Bacteroides and Proteobacteria types in all examined systems, however, specific representatives - Actinobacteria, Cyanobacteria, and Bacilliwere also found, respectively. A microflora peculiarity of water filter was the presence of actinobacteria. In the intestine of the pond snail (Lymnaea stagnalis ...

Among various pollutants, heavy metals with persistence, non-biodegradation, toxicity and bioavailability pose a major threat to all components of the environment. In soil of vineyard area near Nitra (Slovakia) were analysed four heavy metals (Cd, Cu, Pb and Zn) in order to assess soil contamination. Contamination factor (CF), degree of contamination (DC) and pollution load index (PLI) were used in order to determine the level of environmental contamination of the study area. The average values of CF in soils decr...

In Brazil, about 12 million tons of rice is produced annually, among the types of rice produced is parboiled rice, which according to data from the Brazilian Association of the Parboiled Rice Industry represents 23% of Brazil's rice consumption. In the production of parboiled rice, a hydrothermal process is carried out in which the rice is subjected to a period of waterlogging, followed by autoclaving and subsequent drying, with the diffusion of nutrients from the bark to the interior of the grains, also occurring...

Methanotrophic bacteria are unique group of microorganisms structurally and functionally adapted to use methane as a source of carbon, which is of great interest due to their ability to oxidize atmospheric methane. Methanotrophs are known to associate with mosses, which provide bacteria by habitat and protection. Methanotrophic bacteria provide mosses with carbon dioxide resulting of methane oxidation, whose content in moss tissues can reach 32%. We studied mosses and lichens sampled in Eastern Siberia permafrost ...

The current climate change, demographic problems and unequal territorial and seasonal distribution of fresh water supplies lead to a sharp expansion of the reservoir network. Subsequently, the negatives associated with the process are increasing: flooding of lands and infrastructure, impacts on climate, change of underground water regime, activation of landslide processes and rising population security risks. During designing of water reservoirs, they were not investigated and taken into consideration. The rationa...

The paper is devoted to the development of a high-performance method for registration of the spatial spectra of the sea surface slopes and elevations using air-borne and satellite images to address problems of operational oceanography. The method is based on the use of retrieval operators taking into account the nonlinear nature of the modulation of the brightness field by the slopes of the surface under daylight conditions. The method is implemented in algorithms and research software for the rapid retrieval of t...

For the design and safe operation of oil and gas offshore drilling structures on the Arctic shelf, it is necessary to know the regime characteristics (frequency of occurrence, size, drift parameters) of dangerous ice features (icebergs, hummocks, stamukhas, large ice floes). In the paper we describe a method of estimating the frequency of iceberg occurrence, which is based on the implementation of a numerical iceberg drift model, and the subsequent calculation of the conditional probability of icebergs appearing i...

The active development of large cities leads to increase of wastes. And as a result, a system of interrelated problems was formed: 1) The negative impact of municipal solid waste (MSW) landfills on the population and the environment; 2) The irrational use of land adjacent to metropolises; 3) The lack of modern facilities. In Russia the MSW landfills for a long time will be used for disposal of solid wastes residues. To date, 93% of generated wastes is placed on landfills. The main objective is to reduce the number...

A dynamic method has been developed for optimizing reload horizon of a cyclic and continuous technology complex (CCTC) with a combined road-conveyor-rail type of transport for round open pit fields, providing a rational depth of rail transport installation together with economically viable horizons for the location of the concentration horizon and reload from steeply inclined conveyors into the inner mine railway transport. Mining in border and deep zones of open pit mines is conducted in constrained conditions. C...

Hydraulic fracturing is one of the most widely and commonly applied production intensification method in the petroleum industry. The procedure?s main aim is to increase the contact area between the reservoir rock and the production system resulting in elevated productivity. In order to prevent the complete closure of the induced fractures the application of so-called proppant agents is obligatory. The size, shape, distribution and number of the proppants remained after the closure will affect the tortuosity and av...

One of the main problems of creating information management systems in various fields of knowledge is a long development period. This problem is caused by a number of factors: ? heterogeneity of data at each stage of the life cycle of the information system; ? use of various means of describing data; ? different and diverse levels of detail description of information about each of the stages of the life cycle; ? large labor costs, in case of adjustments and modifications of information system. All the factors list...

In the context of reducing the significance of development of irrigated agriculture?s extensive factors, first of all, it is necessary to pay attention to the activation of factors providing intensive conditions for development and growth. This factor is the personnel potential of the industry. It is necessary to know the regulatory, scientific and practical foundations and the current state of the land reclamation industry to determine a more effective methodological approach to the formation of the ameliorative ...

Economic diversification is considered as a model of modern rural development in the European Union and in Bulgaria. It is perceived as a process of increasing the variety of economic activities in the sectors of the rural economy. The creation of stable sectors represented by a variety of production activities, marks the contemporary socio-economic development of rural areas. This is the reason why economic diversification finds its place in the rural development policy of the European Union (EU) and Bulgaria. Th...

Despite the development of technology and methodological support in the field of IT, one of the key problems remains to be solved - the problem of mutual understanding between the customer and the developer (stakeholders). The essence of the problem lies in the complexity of the design process, characterized by conflicts between the results of designing teams of developers working together on the design of one system, deliberate distortion or limited information exchange between developers, semantic barriers betwe...

At all times, one of the most important criteria for evaluating the performance of a mining enterprise were its economic indicators. It is well-known that the enterprise will get that big profit, than earlier it will be able to learn the most effective way of development of production. In this regard development of qualitative methodology of assessment of economic efficiency of planning is very relevant as allows to receive indicators of economic effects from the implementation of a specific plan and on their basi...

The topic of assessing the efficiency of a public investment in a shipping lane involves a myriad of smaller units that can be examined in more detail. The aim of this paper is to focus on the group of public investments related to the shipping lane as an object of public interest. Nowadays, shipping lane enter the topic of public investment primarily as a possibility of reconstruction or modernization of the area so that it can be effectively used for social purposes. The impact of a given shipping lane as a publ...

The work presents and validates the methodology for assessing surface hydrocarbon dissipation which is observed in the vicinity of natural sites and technological facilities. The results of the application of this methodology can be employed in the assessment of the potential environmental risks, the degree of environmental pollution, the influence areas of pollution, etc. and in taking adequate actions to prevent possible emergency situations.

Designing a geographic information control system for a marine vessel is a complex step-by-step process, characterized by a combined application stages of automatic generation the structure of geographic information system and expert solutions. The purpose of the research is to develop a methodological support for the formation of a geographic information system by successively approximating its structural-functional model to a given set of properties. It has been proposed a structural-functional model of a geogra...

Due to the massive development of information technology the amount of attacks on information systems has increased. Additionally, the attack features changed as well. They have acquired signs of hybridity, which is why it's much more difficult to prevent them. Information systems management is virtually impossible without security and safety management; whose main component is the assessment of existing risks. The subject of the study is the process of assessing the information security risk level that is being i...

The purpose of this paper is to present an analysis about the methods, which can be applied to optimize the oil and gas supply chain, in the context of globally environmental challenges. The regional legislation backgrounds regarding the environment, mainly based on social and economic reasons, are becoming more and more important. The European Union (UE) is a first example of applying the regional environmental principles and objectives by means of the legislation of member national states, the European fundament...

When constructing a geological model at the stage of 3D grid building, the problem of vertical layering. When modeling is performed on the area with a large number of wells, the process of cross-well correlation of productive strata turns into a very labor consuming stage. To speed up and increase the reliability of the correlation of well sections, the authors proposed an approach to automate this time-consuming process. This approach is based on the use of machine learning algorithms that can reproduce the nonli...

Approbation of software design technique in hardware field nowadays is an obvious trend. However, hardware cores with complex microarchitecture are not sufficiently supported by modern design tools. This happens because of remaining focus on structural design rather than designing abstract mechanisms of micro-operations scheduling inside the hardware and their explicit mapping on EDA components. In the article, original formulation of gap between the needed and currently available hardware design methods and tools...

Development of studies on higher education in Poland and extension of opportunities for exchange of experience with other countries influenced the acceptance of the pro-quality orientation by Polish universities. Thus, analytical actions were undertaken to achieve success, namely, to provide a high-quality education service. The quality of education was defined as a level to which requirements concerning the education process and its effects including internal and external conditions were met. Internal factors are...

Atmospheric-soil measuring complex (ASMC) contains ten-meter mast with five temperature and humidity sensors in the radiation protection at altitudes of 1, 2, 4, 6 and 10 m. In addition, a wind speed, wind direction and total solar radiation sensors are installed on the mast. Also a solar battery and an antenna for a cellular modem are installed on the mast. Near the mast there is a snow cover height sensor and a liquid precipitation sensor on a two-meter tripod. The soil part of the stationary variant for monitor...

In an ecosystem, vegetal organisms have a very important role, constituting the level where the most intense and complex matter and energy exchanges are realized and the synthesis and decomposition processes of the organic matter occur, in close correlation with the abiotic environmental factors. The present study aims to describe certain practical methods of study for the vegetation (of a Subcarpathian area, Vulcana-Bai Commune), which has as structural and functional subunits the phytocenoses specific of a Subca...