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The purpose of this research was to identify greenhouse gases emission sources, and to estimate their emission generated in the life cycle of the fuel that was obtained from biomass wastes in the mechanocatalytic depolymerization process. Calculations were conducted upon the basis of the criteria of ISO standards, covering the full life cycle of the product, that is, from agricultural/forestry feedstock sourcing up to fuel combustion in an automotive engine. Summarizing the results, it may be stated that the techn...

The access to a safe drinking water represents a prerequisite of the modern days. Often, in the case of shallow aquifers, various human actions in the recharge area can induce unwanted changes in the quantity and quality of the underground waters. The main objective of this paper is to find out the groundwater vulnerable zones in shallow aquifers in the city of Jibou and its surrounding areas, which is situated in the north-west of Romania. The underground water supply source in Jibou city (11,000 inhabitants) is ...

In the framework of the work, the authors conducted an analysis of the possibilities of modifying the selected rank method to evaluate the groundwater vulnerability to cpollution in the area where a source of contamination is at least partly under the surface and the groundwater interact directly with it. Such an object is among others the CTL Maczki-BпїЅr sand mine, the workings of which are reclaimed with gangue (post-mining waste) from coal mines. The analyses of the groundwater vulnerability to pollution using...

The habitats and species conservation is one of the most important objectives for the European Union. Loss and habitat fragmentation are the main threats to biodiversity conservation. This study aims to evaluate the impact of the road density on habitats and species richness in Natura 2000 network in Romania. Also, the study looks at how the protected areas distribution and major landscape characteristics influence the transportation network planning. Only Sites of Community Importance (SCIs) as part of the Natura...

The article deals with the problem of debug of hardware computational units intended for stream data processing on FPGA. Modern solutions are usually oriented to debug of a hardware unit implementation in a simulator with some model input data or to observing the implemented design in the prototype with real target system environment. However effective analysis and debug of implemented computational algorithms requires combined debug with test data exchange between hardware unit model in simulator and its implemen...

Environmental pollution with heavy metals is important by its effects on all the segments of the ecosystem: soil, water, air, plants, animals, and humans. Humans and animals contamination is achieved either by direct contact with polluting particles, or indirectly by consuming the contaminated vegetables. It is also known the human contamination by eating products obtained from animals bred in polluted areas. The effects of heavy metal pollution are well-known at the level of soil and superior organisms. Soils con...

The buildings contribute largely to emissions of greenhouse gases. By bringing about changes in this sector, we can achieve significant reductions in these emissions, with an important role in achieving the EU objectives on Near Zero Energy Building (NZEB). According to the European Council, the energy consumption of buildings represents 40% of total energy consumption, contributes to 36% of the emission of greenhouse gases. Worldwide population growth, especially in urban areas, causes an increased consumption of...

One of the main worldwide issues today is represented by the need of protecting the environment and human health. This requires prevention and monitoring the pollutant contamination of the environment and food products. Toxic heavy metals may accumulate in plant tissues and inhibit most physiological processes at all metabolism levels. They inhibit growth, photosynthesis, water uptake and nitrate assimilation. Romania is a resourceful country and a number of energy and mineral resources can be found on its territo...

The water column of the Sea of Azov is undergoing significant transformation of Oceanographic characteristics (temperature, salinity, oxygen content). They depend on the seasons and weather situation. In the summer, despite wind activity, observed a classic for the Sea of Azov, the distribution of the parameters: water temperature decrease in the direction of the Don River ? Taganrog Bay ? the central part of the Sea of Azov ? the area of Kerch. In the fall, observed reverse pattern during the relative calm. Durin...

The study investigates the degree of heavy-metals contamination of a non-timber forest species in terms of food chain contamination (plants-animals/plants-man) in an area with a historical pollution in the context of ceasing the main activity of the major air pollutant, Sometra S.A. Copsa Mica, since 2009. The heavy metals (Zn, Cu, Pb and Cd) content in common blackberry (leaf and fruit), was determined in eleven sampling areas located at different distances and altitudes, in the forestry area surrounding the city...

Results of research on possibility of long-term storage of solar energy in bioethanol are presented in this paper. The Ural Federal University is engaged in research and development of technologies related to the use of solar energy for the production of bioethanol as a motor fuel and as an intermediate energy carrier for the purposes of long-term storage and subsequent application in energy production. Solar radiation is used as the primary source of energy for this technology. Operation of solar collectors and s...

This paper demonstrates the practical applicability of higher-order partial cross-correlation function in hydrological system analysis. The study area is the karst hydrological system of two adjacent karst springs Jadro and пїЅrnovnica situated in the Dinaric karst of Croatia. The subject of interest is the hydrological relation between these two springs and three basins located in the central part of Jadro Spring catchment. The relation is investigated by the higher-order partial cross-correlation function betwee...

Hlucin town, together with its surrounding area, is a typically historically- rich example of the region, which undoubtedly has influenced the historical development of its entire area - an area characterized by its frequent changes and various political, ethnic, economic, social, cultural and spiritual impact. Some historic moments are therefore reflected even in the present day, whether the actual location, structure of the city centre, the emergence of a fortification and its current state, changes in the ethni...

Humid and arid climatic cycles during Sub-Atlantic time in the forest-steppe area of the East European Plain were studied based on soils buried under archaeological sites of different time. The shift of the boundary between steppe and forest patches is recorded in the shift of the studied soils: Luvic Greyzemic Fhaeozems of the forest patches and Luvic Chernozems under steppe environment. The complex research is based on archaeological investigation, assemblages of morphological (marco-, meso- and micromorphologic...

It is widely recognized by scholars and experts on international and European Union (EU) level that the waste management and waste reduction are important resource. Turning waste into a resource is an essential part of resource efficiency and boosts a circular economy. Food waste is a serious global issue, which linked to environmental, economic and social impacts. In EU wide accepted is the new paradigm circular economy, in which main accent is given on prevention and significant reduction of waste. The bio-waste...

The Europe is facing serious challenges in terms of job creation and employability of young graduates, economic productivity, and sustainable growth, boosted by competition in the digital world and knowledge-based economy. Higher education institutions represent key actors accountable for equipping students with relevant and up-to-date skills, fulfilling their capacity to drive innovation and to be better prepared for the transition to a circular economy.The curriculum development gains special attention since it ...

The manufacturing and processing of metals is connecting with large number of different types of wastes. One kind of these wastes are dusts and sludges which arise as a result of the melting processes or in the machining of castings. Flue dusts from melting processes are captured most often on filters, scrubbers or in Venturi scrubbers. Dust particles resulting from the machining of castings (grinding and blast cleaning) remain in the grinding rooms or they are sucked and collected on filters. Whereas these dusts ...

ItпїЅs well known that sea buckthorn berries are rich in vitamins, carotenoids, flavonoids, and other biologically active components with significant therapeutically properties.The main polyphenolic compounds from sea buckthorn fresh juice were identified and quantified using HPLC-DAD method and the ?-carotene content was determined using the spectrophotometric method.The extractions were performed using four different solvents. The sea buckthorn juice was fractional extracted using: diethyl ether (Fraction A), me...

Forest plays a multifaceted role, which is determined by its economic, ecological and social values; therefore, sustainable forestry development has to ensure a balanced use of all the values. For the first time in Latvia, the situation in hunting management was analysed, assessing the level of safety and traumatism. The research aim is to assess safety in the process of hunting and the real situation in Latvia. The research found that the most dangerous kinds of hunting were hound hunting and waterbird hunting du...

The Paper present unconfined groundwater flow and solute transport modeling in water catchments area, Nerau village, using the PMWIN applications. Modeling purpose is to constitute extending pollution zone of aquifers in space and time generated of posible industrial pollution. Knowledge of extending of pollution zone is necessary to settle technical measures to using drinking water systems. The companion software Processing Modflow for Windows (PMWIN) offer a totally integrated simulation system for modeling grou...

The paper presents a 1D numerical modeling of the water flow on River пїЅAlbпїЅ, the village of Coroie?ti пїЅ S?la?ul de Sus in Hunedoara County, Romania, aiming to establish the influence of a hydraulic structure built on a left side branch, on the main river channel. The purpose for the hydraulic structure towards a trout fish farm, designed with respect to the enforced specific national regulations. The numerical model simulations are to support the study of water flows and levels on both the river main course ...

Geochemical barriers are the special type of natural systems boundaries. They prevent the penetration of some of substances and are open for the migration of others. For the inorganic substances, especially for the metal ions the barriers are studied enough completely: the models of barriers are developed, the penetration and accumulation kinetic is assessed. But for the organic compounds the role of the geochemical barriers is practically not studied. Especially important are such assessments from the point of vi...

The Kungurian salt domes are widely pervasive in the Pre-Caspian depression, so that the post-salt Upper Paleozoic and Mesozoic deposits disturbed considerably by salt tectonics. Salt structures formed mainly in the upper Permian time, at the end of which salt massifs broke this thick stratum and they were intensively dislocated. In the Mesozoic period, there was a moderate redistribution of salt, which resulted in uplift of Triassic to Cretaceous deposits on the top of salt bodies. Salt movements affect the posts...

Shale gas potential assessments completed in 2010 for the Baltic Basin (BB) were very optimistic. They placed most of the central part of the BB in the gas window, indicating high prospectiveness of the most of Ordovician, Llandovery and Wenlock deposits. The paper presents results of multicomponent spatial geomodelling, which strongly modify this concept. The model covers area located in the central part of the BB, comprising Kartuzy Szemud and Stara Kiszewa concession blocks. Its area is about 300 km2 and it inc...

The article is devoted to the results of hydrometeorological research of the Black Sea, carried out on a stationary oceanographic platform located near the Southern Coast of Crimea at a distance of 600 m from the shore. The author represents a complex developed at Marine Hydrophysical Institute, for measuring such hydrometeorological parameters as wave height, wind speed and wind direction, atmosphere and sea temperatures, atmosphere pressure, relative humidity. In order to measure the wave heights the twisted res...

Along Bistrita River in the Eastern Carpathians is produced each year freezeup ice jams. Depending on the hydro and weather conditions these breakup jams have a larger or smaller spreading. Periodical ice jams cause damage and noticeable loss of lives. The article examines the area between the tail of Mountain Spring Lake (Poiana Largului) and Dorna Arini which has a length of about 80 km. Jams and ice accumulations occur usually in the downstream section between Poiana Largului and Borca. It would be preferable f...

The paper compares the different description of drought periods in the history of annual rainfall in certain geographical areas. Drought indices are indispensable tools in detecting, monitoring and assessing drought events. These indices include: the Palmer drought index or drought severity index, PDSI abbreviated, Keetch-Byram drought index, KBDI abbreviation, drought recognition or recall index, abbreviated RDI, percentage of normal amount (average value for over 30 years), standardized precipitation index, SPI,...

The ecological situation of the Arctic and sub-Arctic areas has been given special attention due to their extremely vulnerable environment. In comparison with other areas, the Arctic remains a clean environment, but heavy metals occupy a special place among priority pollutants. There are a lot of studies of heavy metals in the soil, but not enough information on the joint content and physicochemical factors that affect the metals accumulation in the Arctic soils. Therefore, this paper presents identification of co...

This study uses a pooling approach to identify catchments with similar flood characteristics in the Alpine-Carpathian region. The identification of similar regions is performed using the nonhierarchical k-means clustering algorithm and different sets of catchments characteristics (catchment area, forest cover, mean catchment elevation) and flood seasonality characteristic (concentration of flood around the mean date of flood occurrence). The optimal number of cluster is determined using the silhouette method. The ...

Satellite images analysis conducted using modern ERS methods allows to allocate lands which can be referred to the deposits based on a group of diagnostic indicators and using a number of techniques. Change of vegetation cover type associated with change of fallow lands use features is manifested in their spectral response, including the vegetation index values (NDVI). In the course of experimental studies the peculiarities of seasonal dynamics of vegetation index for the initial few years after the transfer of th...

The effectiveness of enrichment process of run-of-mine copper ore (at KGHMпїЅs ore enrichment plants) depends on the selection of appropriate working parameters of processing machines which are customized mainly to fit the fed rock type. Therefore, the knowledge of lithological composition of run-of-mine copper ore fed to the ore processing plant can significantly improve the effectiveness of the enrichment process. The issue of optimization of enrichment processes with the help of the use of in-situ sensor techno...

The central and northern parts of Poland are covered by a thick blanket of Pleistocene post-glacial sediment. Directly beneath this material lie loose, or of early diagenetic overprint, Neogene formations, mainly Miocene sediment. The thickness of Quaternary sediments in the northern part of the country locally exceeds 300 m. The loose and highly, internally diverse subsurface complex considerably hampers the completion of seismic surveys, especially those including the seismic reflection method. The basic issue o...

The paper focuses on investigation and evaluation of the existing situation of various types of brownfield in the field of their technical installations. These brownfields are investigated typologically and divided according to their types, sizes, and functional utilization. This is the base on which their technical attendance is evaluated, namely the designs of public utilities and traffic infrastructure, not only inside the premises, but also the assurance of their connectivity from the point of view of deeper r...

The key issue of Polish municipal waste management system is still too little progress in subjecting waste to recycling processes. Legislative changes implemented in this area are intended to build a rational and integrated system that meets the stringent requirements of the European Union. A set of requirements for the formal regulations generates the need for a comprehensive approach to waste flows between participants of the system. Adoption of such a course of action enables to meet the mandatory requirements ...

In recent decades the increase of the frequency of flash-flood conditions requires a correct identification of potential flood areas where these hydrological risk phenomena appear in Moldavian Plain. To identify the basins and localities exposed to flash-flood was used physiographic method. This method allows the opportunity to identify the river basins with the concentration of water from precipitations in less than 6 hours. Through successive sorting of the basins which may generate the flash-flood was identifie...

Mining generates a negative impact on the areas after stopping mining activities. Causing mines closed because of their specific, multiple and varied adverse effects on the environment by land degradation, by vertical and horizontal surface and sliding heaps and tailings ponds; polluted surface waters and groundwater; hydrodynamic imbalance of groundwater; negative influences on the atmosphere, flora and fauna; chemical pollution of the soil. Mining gold mine Barza - Brad is currently stopped, the mine was closed....

The quality of the indoors is an important determinant of the health and well-being of the occupants. The indoor air quality is defined as an interaction between the climate, location, construction system, building materials, furnishing, building occupants, and all other processes within the building. The contribution deals with the assessment of perceived air quality related to human performance and productivity. The perceived air quality has significantly effect on performance and productivity. The indoor concen...

Biological waste - so-called wet garbage - is one of the problems of efficient and clean waste collection. Due to their nature - they quickly decompose and cause unpleasant odor. Waste management of this biological garbage is possible in several different ways. They can be transported to landfill with other MSW. They can be segregated and collected separately and then processed in a collective way also in several ways. They can also be utilize in the place of origin. The paper presents energy analysis and environm...

The territory of Slovakia is in Central Europe at the interface of the parts of the continent that are influenced by continental and by oceanic climates. This is reflected in the variability of weather and climate characteristics. Apart from traffic load, change of climatic conditions are one of the constant external factors with adverse effects on physical and mechanical properties of different structural multi-layers in pavements. These impacts together with frost index and their corresponding changes significan...

Consumers of organic products during the process of buying pay attention to information presented on the packaging, except for the product price and utility. Thus, food producers consider the packaging as one of the marketing elements and information included thereon, except for the informative function, also plays a marketing function. The objective of the article is to find an answer to the question: How information provided on the packaging influences the decision on the purchase of the organic product. To find...

The article presents the results of experimental research carried out on a real object and analysis of the effect of preparing oil-related waste with various physical and chemical properties for combustion in a marine auxiliary boiler, on selected components of exhaust gases, such as carbon oxide (CO), carbon dioxide (CO2) and nitrogen oxides (NOx) arising as a result of their burning. Oil-related waste comes from operating marine power plants; they are characterised by diverse compositions, heterogeneous structur...

Anthropogenic pollution originating e.g. from waste landfills can migrate into the ground and significantly change its properties. Moreover, the interaction between soil and pollutants may change soil behavior as well as cause geotechnical problems. The aim of the study was the assessment of the impact caused by inorganic contaminants on consistency limits (plastic limit and liquid limit) of fine-grained soils. Laboratory tests were carried out on bentonite, kaolin and clay using KCl, MgCl2 and NaCl solutions. The...

The Romanian eggplant growers get important productions in protected spaces, besides optimum natural periods. The average yields obtained from crops of grafted eggplants are with approx. 25% higher compared with productions of ungrafted culture. The experience was conducted at the Horting Institute Bucharest, Romania. The grafted and ungrafted eggplant plants were obtained and maintained during vegetation period according to the classic technologies, in some specialized greenhouses: a greenhouse specialized in pro...

The carbohydrate (2.9-7%), vitamins (A, B, B2, B6, C), salts of important mineral elements (K, P, Fe, Ca, I, Mg) and organic acids (0.5-1.5%) content from tomato fruits is very important. The tomato is widely cultivated all over the world and a very popular and important crop in Romania. The grafting is considered an important technique for the sustainable greenhouse vegetable production. This research was conducted on import tomato hybrids appreciated in south side. Two Lycopersicon esculentum rootstocks - пїЅEmp...

The aim of this article is to assess the impact of changes in particle size on the production yield during thermal degradation пїЅ pyrolysis process. For the purpose of this research the energy grass пїЅ black bent grass (Agrostis gigantea) was selected. The input material has been tested in four different granulometric fractions пїЅ original unadjusted material, crushed material, and also in the form of two kinds of pellets of different size. For pellets, the basic mechanical properties were determined пїЅ mechan...

Water erosion is not only agricultural but also environmental problem. Water erosion washes off the finest particles that bind nutrients and other substances. These nutrients are piled up in the accumulation part of the slope. In the worst case, they are completely washed off the farmland, i.e. into water reservoirs and water courses. Additionally, damage to soil and its depletion of nutrients is reflected in lower yields. The aim of our study is to determine the effect of water erosion on total nitrogen content a...

River, dam, and lake banks are often attractive as a holiday destination for both domestic and overseas visitors. Therefore, different water based activities including water sports centres, as well as walking and cycling routes adjacent to water bodies require clean and environmentally green water. The places of greatest tourism significance need to be determined and their vulnerability to water quality is indisputable. It is in close connection to the pollution of water. Nowadays, the number of polluters of the H...

The contribution is focused on problematics of the impact of weather conditions to the phenological phases of broadleaved trees (Quercus robur L., Fagus sylvatica L., Tilia cordata Mill., Prunus spinosa L.) at the selected research areas in central Slovakia. There were recorded a 10% incidence of falling and yellowing leaves on a group of ten trees selected species. Factors taken in account were rainfall data, the number of tropical days and the length of growing season (June пїЅ August). The significant differenc...

The article deals with impacts of changes in forest composition and climate change on the runoff processes in the river basin in Slovakia. This work contains land use change scenarios of forest associations and also two scenarios of global climate change. Both of scenarios types of changes were prepared, and the runoff under the new conditions was simulated. Distributed rainfall-runoff models simulations are often used to evaluate the impact of such changes on the generation of runoff. These models have the advant...

98% of total explosives used for civil uses are consumed by Polish mining plants, with 2.5 thousands of tonnes of explosives used in bituminous coal mines yearly. Bituminous mines are now facing the necessity of implementing a new project for preparing a system for recording the distribution of blasting materials. The execution of projects related to the implementation of new technologies at each organization, with Polish bituminous coal mines in particular, apart from problems related to legal, economical, techni...