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This paper presents the spatial and temporal variability of sulfur and carbon oxide concentrations in the South-eastern part of Romania. Climate change is a general threat to the provision of essential individual resources. The acquisition of data for CO and SO2 concentration was collected from the national air quality monitoring system which includes 158 monitoring stations. The acquisition of data for the concentration of CO and SO2 were collected from the national air quality monitoring system which includes 15...

The main objective of the paper is to analyze and evaluate what are the manifestations and impacts of suburbanization in the hinterland of the city of Presov. The first manifestations of suburbanization started in 1996 and continue even nowadays. This process brings several consequences, economic, social, demographic, environmental, etc. When looking at migration flows, Presov has shown a long-term decline in population. The municipalities located in its hinterland show an increase in population. In this paper we ...

This study aims to observe the spatial distribution of the arthropods biodiversity inhabiting the soil surface of olive groves. For this purpose, a sampling campaign has been carried out in a 15.1 ha plot of this crop. This plot is located in the south of the Iberian Peninsula. The study comprised a total of 65 sampling stations for epigean arthropods. Each station consisted of two drop traps, one located under the canopy of the olive tree and the other in the middle of the strip. With the arthropod catch data fro...

The environmental management system should be considered as part of the overall management system. This involves looking at the organizational structure, planning activities, responsibilities, practices, procedures, processes and resources for developing, implementing, achieving, reviewing and maintaining environmental policy. Basic principles and requirements of the environmental management system are aimed at identifying, researching, controlling and reviewing the factors influencing the environment, which allow...

Aromatic plants have been one of the important concerns of man since the beginning of his existence. Seasoning plants, due to the presence in their composition of active principles with antibacterial and antifungal effect, allow a better preservation of food, a fact that over time has played an important role in preventing possible infections. Chlorophyll is the pigment that gives plants their green color and supports plants in absorbing energy and nutrients. Chlorophyll is found in most green plants and vegetable...

Sinorhizobium meliloti are agriculturally valuable species of soil bacteria that form nitrogen-fixing symbiosis with alfalfa plants. Global climate changes lead to an increase of agricultural areas subjected to salinity. Current knowledge about about high-salt stress impact on soil saprophitic root nodulated microsymbionts of legumes is weakly studied and rhizobia gene pool responsible for salt tolerance are fragment and far from clear. An increase of bacteria nonspecific resistance (immune status) to unfavorable ...

The safety of navigation and life in the risk areas adjacent to the coastal area, represent the central objective of the paper and meet the provisions of the European directive "in force." In this context, for defining the geometry of the autonomous modular system used as physical system for marking the fairway, mathematical prediction models were developed. The prediction of phenomena and functional characteristics for autonomous modular system was possible by using a specialized software, where the calculation c...

The East Kazakhstan territory is the unique geologic province where a number of largescale non-ferrous and gold deposits are concentrated. Gold base metals (goldcontaining) type is represented by gold containing sulphide complex deposits. The Western Kalba zone is characterized as a gold-bearing structure of multi-stage development and long ore-preparation and ore-forming processes. At the first stage, in the conditions of the intercontinental sea basin (C1-2, C2), the donor carbon-terrigenous formation (Arkalyk, ...

The paper aims to analyse the main air pollutants considered responsible for most premature deaths and illnesses: particulate matter, nitrogen dioxide, sulphur dioxide, and ground-level ozone. The research methodology used is based on the analysis and synthesis of information from the scientific literature on air pollution, identification of sources of air pollutants and their implications for human health. The principal research method used in the paper is content analysis. The importance of this publication is t...

This paper presents the degree of noise pollution in Braila. Braila is a city located in southeastern Romania. For this purpose, sound level measurements were performed in various important locations in this city. The monitoring took place between November 2019 and June 2020. The measurements were performed using a professional digital acoustic sound level meter that can record sound values between 30dB-130dB. The sound level meter works with two frequency filters: -A- and -C-. -A- filter responds in the same way ...

In recent years, virtual reality developers have managed to create an artificial environment that can simulate reality so that the user has the impression of an almost real physical presence in the virtual world. By overlapping and synchronizing projected images with spatial sounds and even with forces that interact with the user, the user is detached from the real environment and an all-encompassing involvement in the virtual world occurs. Virtual reality is frequently present in aviation, medicine, military trai...

Geographic Information Systems (GIS) are solutions that cover a wide range of fields, from the management of urban resources, the introduction of satellite tracking and coordination of roads routes, tourism, civil protection, logistical support in case of natural disasters, land records, management of agricultural farms and forest fund, etc. At present there are many uses of science applied in society and which provide decision support for many beneficiaries - companies, public authorities. Thus, GIS with urban ap...

The main objective of the study is the analysis of the effects of the geological substrate and of the geomorphological diversity on the characteristics of the vegetation (the diversity of species, the diameter of the trees). The study area is made up of the Cioclovina karst area and the crystalline area near it, which are located in the Dacian Plateau in the ?ureanu Mountains. Within the study, a series of geomorphological variables were calculated to establish geomorphological heterogeneity, namely: slope, slope ...

In recent years, maritime transport in the Black Sea area, especially along the maritime transport routes that cross this area, has seen a considerable increase compared to previous years. However, navigation takes place not only in ports in Romania, Turkey, Georgia, Russia, Ukraine, and Bulgaria but also outside the Black Sea via Turkish straits, connecting with international routes. Maritime transport consists of two main components: passenger transport and freight transport, both components being directly affec...

Microbiological studies of forest soils are an important field of research due to the role of forest as carbon sinks and the main role of microorganisms in biogeochemical cycle and in the transformation of organic mass. Microbiological monitoring of soils in forest ecosystems is of key importance to achieve accurate and comparable data. This paper examines the interrelationship of soil microbial communities with different environmental characteristics. For the purpose of the study, the influence of soil type, the ...

In this work, a brief assessment of using microalgae (Arthrospira platensis PCC 8005) for lowering carbon emissions during biotrickling filtration of volatile organic compounds (VOCs) from air is performed. In this regard, the removal efficiency of acetic acid vapors (used as model VOC in this study) and carbon dioxide production from this process are evaluated in the presence of: (1) classical microorganisms (e.g. from compost), (2) mixture of compost microorganisms and microalgae, (3) microalgae. A blank trial (...

Unmanned aerial vehicles (UAV) began being constructed many decades ago. Recently - in line with technological developments - there has also been a progression of its expansion, both among the lay public and its dynamic integration within the security services. One of the desired functionalities of the drones is the continuous measurement of air pollution at the scene of a fire. This paper deals with the question of whether drones, due to the rotation of their rotors, do not affect the values of air pollution, the...

Olive pruning mulch modifies the physical, chemical and biological properties of the soil. They are an efficient soil and water conservation system, while simultaneously improving the organic matter content of the soil. In any case, their effect on soil properties is a function of the densities provided. In any agricultural field, there can be significant variations in plant size, which can affect the amount of pruning obtained. In this research, a spatial sampling of pruning amount collected in olive trees (n=59)...

By developing this paper, we wanted to identify the opportunities for the growth and development of the Faget area in Romania, based on the specific resources available. Geographical location, natural and anthropogenic sites, as well as existing accommodation structures provide this area a high tourist potential. Natural landscapes, recreational areas, hunting, fishing, historical monuments, wooden churches, and natural resources are the most important attractions of the Faget area that can be valorised. The autho...

The paper aims to address what types of protection can be applied to galvanic elements and batteries that are used in potentially explosive atmospheres. In order to keep electrical equipment in operation in environments with potentially explosive atmospheres under harsh conditions, including galvanic elements and batteries, a certain type of protection must be applied for safe operation. The types of protection applied to galvanic elements and batteries are made in accordance with EN 60079-0 and in compliance with...

Nutrient-poor, sandy, sterile material from the post-mining sterile dumps such as those in the Maramures region (Romania) presents a challenge for plants. Sterile dumps are considered extreme environments for plants due to their unfavorable physicochemical properties. Phytoremediation has great potential to remove heavy metals from sterile dumps, and Indian mustard (Brassica juncea) seems to be a possible candidate species for this purpose. The potential of Brassica juncea seeds to germinate in a medium contaminat...

The purpose of the study was the introduction and cultivation using green technologies of a perennial aromatic plant species - Iris pallida Lam. (Dalmatian iris or sweet iris, Iridaceae Juss.), widely recognized for its highly decorative and perfumery production, in the humid subtropical climate of the Batumi Botanical Garden, followed by its study for the content of biologically active substances. Iris pallida have been studied in seven different locations in the garden with varying exposure and soil composition....

The Remote Sensing department from National Institute of R&D for Optoelectronics INOE, Romania, operates a complex research infrastructure and has multidisciplinary expertise spanning from laboratory/in-situ chemical analysis to Earth Observation (EO) techniques and applications. Infrastructure and personnel are mostly supported from projects financed by European Commission through FP7/Horizon 2020 (ended programs) and Horizon Europe (current programme) and other international calls (e.g., European Space Agency). ...

Food security is one of the most important issues that needs to be addressed in order to achieve UN Sustainable Development Goals. Currently multiple technologies are used in conventional agricultural practices, including application of artificial intelligence and GIS. However, the technologies are rarely considered in sustainable farming practices. Organic agriculture, although gaining traction in recent times, mostly relies on traditional, rather than technologically advanced approaches. There are, however, mult...

Meat and bone meal (MBM) is considered animal waste and can no longer be used in agriculture since the onset of the disease called spongiform encephalopathy in cattle. This waste is burned and then dumped in landfills, which causes unwanted emissions to the environment. This is a real problem nowadays and we must find environmentally friendly solutions must be identified to eliminate this waste by energy recovery. For these reasons, a lot of processes have been developed to recovery the MBM, which are environmenta...

Improving the performance of the gypsum binder is possible by strengthening the gypsum matrix. The increase in strength is ensured by the introduction of a complex of mineral and chemical additives. The use of waste as components of such a complex solves a set of problems. The market is saturated with competitive and high-quality materials. Designed materials meet modern requirements. In addition, the problems of waste disposal, freeing up space, environmental protection and reducing the resource intensity of prod...

The use of magnetic nanoparticles in biocatalysis, due to their unique properties, such as controlled particle size, large surface area, and ease of separating them and the reaction mixture by applying an external magnetic field, makes it possible to reuse enzymes immobilized on magnetic nanoparticles for catalytic processes. In this work, horseradish root peroxidase was immobilized on Fe3O4 magnetic nanoparticles. The carrier surface was modified and activated before enzyme immobilization using 3- aminopropyltrie...

The main goal of presented study is a demonstration of technological approach to determine the water resources of surface water bodies, using a sparse hydrological monitoring network not covering many of them. Resource of the water body is a flow formed in the catchment area above the studied one including the additional inflow in the frame of the same water body. Practically the flow is changing in each sector of the water body but average annual resources are specified at the final section. The water resources f...

The productivity of the grasslands is determined by the biodiversity of the plant species present in the vegetation, their quality, but also their exploitation. For their inventory, a series of determination methods are used, methods that are difficult to manage and that require a good knowledge of the plant species. For an agronomic characterization of the plots, it is sufficient to consider only the main species that dominate the plant biomass. A more simplified method is that of botanical surveys which focus on...

During development, flows are formed within the route and gradient conditions by trough-forming processes. Sensitive changes of the landscape and interventions in the water flows caused mainly in the last century in Czechia and the pressure of agricultural management are the cause of major changes in flows and more frequent occurrences of hydrological extremes. These phenomena cause problems in the form of migration permeability, higher pollution concentrations or higher water temperatures. The aim of the paper wa...

In the context of the issues discussed within, it can be noted that the main objective of this paper is related to the presentation of the European Union as one of the leading producers of green cars, whose goal is to reduce harmful emissions to protect the environment. Based on the plinth thus built, the opinion of the Bulgarian consumer on the presented European initiative should be clarified. The main objective thus launched requires the consistent clarification of the following tasks: to present the European U...

The cabin of a civil aviation aircraft needs adequate sound and thermal insulation to guarantee passenger-s comfort. Among this scenario, the purpose of the following paper is to mark a path that leads to the use of natural fibers to ensure compliance with the requirements together with a mitigated environmental impact. The characteristic parameters to be examined for proper insulation are first described, including insulation and sound absorption characteristics, thermal insulation and the necessary flame resista...

While comprehensive legislative frameworks may exist, the sustainable management of construction and demolition waste has proven challenging, especially for countries where environmental maturity may be still lacking. Recognizing the great potential for recycling and reusing CDW materials, Cypriot researchers are developing a new green building facade material using recycled materials. However, the market success of such a material is highly dependent on sound management and on stakeholders- acceptance, hence the ...

The paper presents the complex pedological framework where the high-precision sensors from the meteorological stations are tested in order to remotely transmit the soil parameters with express reference to the NPK content and the water content of the soil. In the context of climate change, the interest in continuous, "in situ" knowledge of soil moisture and macroelement content is high because soil properties are correlated with the mathematical simulation of how crops are formed on agricultural plots. While regio...

The main hope for solving protein deficit is the cultivation of legumes, which is why the -Protein Advisory Group of the FAO- initiated a new green revolution, that of vegetables. The researches of the last decades have shown that, in the nodule of the roots of leguminous plants, nitrogen accumulates through the activity of the bacteria living in these nodules. The symbiosis is dependent on endogenous and exogenous factors that ensure the functioning and regulation of fixed nitrogen. The paper presents the results...

Sustainability within a region is achieved by providing a variety of services regarding the tourism products within an area. The Giurgeu basin in order to be able to sustain its values, needs to offer a wide variety of services that attract and increase the overnight stay of tourists. The services needed to be diversified with the beginning of the pandemic season of 2020 - 2022. These services existed before, but during the pandemic period, where the tourism suffered the most, it became evident that the entreprene...

The Interest in recycling of materials to reduce the CO2 emissions and reduce the energy consumption has inspirited us to investigate the influence of ferrous metallurgical solid waste material namely "slag" on the performance of traditional Portland cement composites. The scrap material was mechanically treated by crushing followed by ball milling and classification. The mechanically treated slag was mixed with Portland cement without any modification. The mix was casted into the desired moulds and allowed to sol...

The alternative way to solve the greenhouse gas emission problems is carbon dioxide (CO2) capture and utilization. CO2 hydrogenation is one of the routes to obtain valuable chemicals and fuels such as methanol. The effect of indium (In) promoter on catalytic system Cu/Zn/SBA-15 has been studied. 1%In/Cu/ZnO/SBA15 and 6%In/Cu/ZnO/SBA15 catalysts have been synthesized by impregnation method and compared with Cu/Zn/SBA-15 catalyst (the content of Cu 30 wt.% and the content of Zn 1.4 wt.%). All catalysts have been cha...

The novel lightweight repair mortar was designed and tested in respect to its resistance against salt crystallization and salinization. Natural hydraulic lime was used as the only binder, and the expanded glass granules were applied as lightweight aggregate. As reference, control mortar with silica sand aggregate was examined as well. The performed tests and analyses were aimed at the assessment of the structural, mechanical, hygric, and thermal properties of the 28-days and 90-days hardened mortars. Specific atte...

The energy community, as a new mode of citizen participation in the European renewable energy market, highlights the close connection between energy decentralisation, territorial development, and the crucial role of local authorities in doing so. In the context of territorial development and keeping within the ongoing decentralisation processes, participation and sustainability is particularly important. Also, the very idea of promoting community energy, leads to the affirmation of an innovative system of energy g...

Energy raw materials that play a crucial role in the economic development of Poland are: crude oil, natural gas as well as lignite and hard coal. The history of mining of the aforementioned raw materials have a complex and long tradition. Historically, Poland was a pioneer and a European leader in crude oil mining which now has only marginal importance in domestic demand. Currently, we are also a witnesses of a decline of hard coal mining which was the basis of the country's energy security for many years. Poland ...

The main purpose of our research was to accumulate as much scientific data as possible, regarding the properties of the soil (physical, chemical and hydrophysical) of the various types of soil, necessary to establish strategies for adapting agricultural systems to the effects of climate change, through a complex approach of physical-geographical and climatic-edaphic conditions in the Western part of Romania, respectively, the Mure?-Gala?ca Plain. Its general objectives consist in the accumulation of scientific dat...

The threat of climate change and its negative consequences is currently a very serious and immediate problem. Undoubtedly, the most striking manifestation of climate change is global warming, both on land and in the oceans. Increasing the average air temperature adversely affects natural ecosystems, which find it very difficult to adapt to this change. Significant consequence of climate change is also the fundamental impact on water resources. In this work we focused on the influence of climatic conditions on the ...

The evaluation of the seismic action generated by blasting, aims to establish the connection between the levels of ground vibration with the parameters of the blasting and the characteristics of the geological environment related to the quarry. In order to assess the seismic effects on site of the mining / civil / industrial objectives within the quarry, the criterion of the oscillation speed of the soil particles was chosen, because it was considered to be the only reproducible parameter for the whole frequency r...

Lettuce is one of the most popular leafy vegetables due to the high concentrations of minerals and vitamins. The high ecological plasticity and short vegetation period makes it extremely vulnerable to environmental conditions and, indirectly, to climate change. In order to obtain plants with valuable nutritional profile, the environmental conditions for cultivation, like moisture content and temperature are very important. There are many research studies performed concerning the effects of climatic changes on agri...

This paper experimentally investigated the effect of using nanomaterials to improve soft soils. Laboratory experimental tests were carried out on loessial soils collected from two different sites in Romania. Two different types of nanomaterials were used in this research, which is namely Nano-MgO with different percentages (0.5%, 0.75%, 1%, and 2%), and Nano-Al2O3 with percentages (0.5%,1%, and 2%), were added to the soil samples, to study their effect on the strength, consistency limits and compressibility of the...

If we refer to the sustainable development of a territory, it can be stated that the natural resources and implicitly the land resources, occupy the central place within this process, in this case, the land use can be seen as an "indicator" element of the trends of the process of sustainable development. The specialized literature shows, in various studies, the direct and indirect influence of the relief on the way of land use, implicitly on the distribution of grasslands, through altitude, slope or morphometric c...

One of the ways to manage drought is to use optimization when managing the storage function of reservoirs. Optimizing reservoir management itself requires inflow forecasts. A lot of forecasting models have been created in the world, which according to many authors can be used for the given purpose. The models themselves are generally assessed according to classical criteria. The article therefore attempts to determine whether the quality of the forecast model for the mentioned application can be assessed as a whol...

Lately, there is a growing need for humanity to get closer to nature and to a way of life so that the negative impact on it to be as small as possible. One cannot talk about durable development without taking into account the sustainability criterion which is essential in all areas of activity. Traditional constructions made of masonry elements from unburned clay or other vernacular materials, using sheep wool mattresses for thermal insulation, successfully meet the conditions imposed by this criterion. Constructi...

The objective of this paper is the morphological characterization as well as the establishment of soil quality classes in the commune of Dubova, Mehedinti County, Romania. Soil is a primary component for plant production, although it is often considered only as a physical support for plant growth. However, the concerns of mankind over the sustainability of agriculture have made it possible to consider that soil is a living, high-quality system and should, therefore, be preserved. This is the result of several inte...