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The impact of anthropogenic greenhouse gas emissions on the increase in the average temperature on the planet and the risk of initiating irreversible processes are recognized by most of the scientific community as real threats to humanity. Many countries have a legal and institutional framework for a consistent industrial policy taking into account the climate and environmental components, including carbon accounting. Russia is a country with high intensity of production-based CO2 emissions. In is well-known that ...

For many years, oil derivatives, natural coal, and natural gas were used and still are, as primary energy supply due to their calorific potential, and their great availability on the planet. However, the utilization of these feedstocks causes greenhouse effects and helped in global warming, creating a general concern about this issue, and leading to the creation of urgent measures to overcome these problems. Hence, guidelines and public policies were granted to guarantee the reduction of emissions and increase the...

The studies presented in this paper, were aimed at testing, in order to extend the applicability of the methodology for approaching biomonitoring methods to new domains of activity by using bioindicators. The proposed and applied methodology aimed to add new complex studies, some of that not previously used, combining macroscopic, microscopic and biochemical analyses of selected and exposed bioindicators compared to control bioindicators maintained under standardized conditions in the climate chamber. The change o...

The most significant challenges of organic farming are the fragmentation of the sector, unstable product supply and sales opportunities, as well as the lack of knowledge of how to manage agricultural production agronomically and economically effective. The predominant form of agricultural enterprises in Latvia is small and medium-sized farms. Thus, cooperation is an effective solution so that farmers can maintain the form of a family business and achieve an appropriate economic market, which would contribute to th...

The quality and quantity of delta lakes- sediment depend on fluvial input and in-situ bio-geo-chemical processes. The present study investigates the quality of lacustrine sediments collected from two lakes - Tataru and Merhei, situated in different hydrodynamic environments within the Danube Delta, Romania, but both connected to fluvial input of water and sediment of the Danube. The following physical and chemical analyses have been carried out on several lake-bottom sediment samples: the main lithological compone...

In recent years, with the rise of a growing economic and technological interest in lithium mineral resources, there has been a parallel concern, on the part of some local populations and even national environmental groups, for a hypothetical contamination problem that this type of exploitations may cause on the quality of groundwater. Thus, the present study was based on an evaluation of an open-pit quarry, in the socalled Alijo quarry, located in the North of Portugal, in the parish of Canedo, Ribeira de Pena mun...

The purpose of this article is to assess the quality of soil and water environmental factors in some protected areas in Romania both to establish geochemical threshold values and to highlight anthropogenic pressures where they have been identified. The activities carried out are defined spatially and temporally so that the results obtained include seasonal variations and other influencing factors that have a variability on a temporal and spatial scale. Each protected area introduced in the study was well documente...

In recent years, the development of resistance to various antibiotics frequently used in veterinary practice has been observed. The cause seems to be the excessive use of antibiotics without doing an antibiogram. The aim of this study was to investigate the antimicrobial effect of different garlic extracts on Salmonella strains isolated from dogs. The research was carried out on a number of 19 strains of Salmonella spp. isolated from fecal samples from dogs. Salmonella spp is a bacterium with zoonotic risk. Differ...

Renewable energy plays a fundamental role for the Green Deal and for achieving carbon neutrality by 2050. EU Directive on renewable energy revised confirms the community block objective of obtaining 38-40% of energy from renewable sources by 2030, doubling the share of solar, wind and other renewables in Europe's energy mix by the end of the decade. The European Commission recommended that Romania increase the share of energy from renewable sources used for the year 2030 to at least 34% in a future analysis. Roman...

The grass of the grasslands is the most accessible source of food for herbivores during a significant period of a year. The knowledge of the floristic composition of grasslands reflects the current state and is an essential element in determining the load of animals. This paper is a case study and aims to inventory the species participating in the grass cover near some localities in Western Romania. Vegetation surveys were made in March, June and the first quarter of October. The study method by which the vegetati...

Cryogenic energy storage (CES) is a large-scale energy storage technology that stores electricity in the form of liquefied gas at cryogenic temperatures. The CES system has three sub-processes, namely, charging or liquefaction, storage, discharging or power cycle. Because the main energy costs in this system are related to the liquefaction module, we will focus on the analysis of liquefaction processes. The present work aims at performing a comparative study between cycles commonly used for the liquefaction of air...

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 ...

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...

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...

In the past decades, the necessity for detailed earthquake microzonation studies was recognized for Bucharest city first because significant damage occurred here during the last major earthquakes, as well as for other densely populated cities in Romania exposed to major seismic risk due to the intermediate-depth earthquakes occurring in Vrancea zone and local site effects. Numerous studies established different approaches incorporating non-linearity analyses, which generally did not consider groundwater level chan...

The distinction between noise and sound is mainly based on the discomfort of the latter, the noise being perceived as a negative sensation, while sounds are generally perceived as being pleasant. Noise and noise pollution are practically identical terms. Noise pollution is the exposure of humans and / or animals to sounds whose frequencies and intensities are harmful, affecting the auditory system, inducing stress or other instant or long term effects on the physical and mental health. For too recently, it has bee...

The concept of sustainable development involves economic development, social development, ecological development, political development, human development, spiritual and cultural development. All these elements pursue three fundamental objectives: smart growth - developing a knowledge and innovation-based economy, sustainable growth - promoting a more competitive and greener economy, in which resources are used more efficiently and inclusive growth - encouraging or high employment of the workforce, to ensure socia...

Cyclophosphamide (CP) is a cytostatic drug prescribed at large scale, which proved to induce toxic effect on ecosystems and cannot be removed by conventional wastewater treatment processes. Therefore, there is a need to test advanced degradation processes for its removal from wastewater discharges. CP photocatalytic degradation via UV-VIS irradiation was studied using a Nitrogen -doped TiO2 catalyst. The catalyst was synthesized as thin film deposited on glass substrate under nitrogen atmosphere technique. The inf...

Biodiversity can be defined as the diversity of ecosystems, expressed as symbioses, habitats, landscapes, species diversity and genetic diversity within species, i.e. the totality of the gene pool that constitutes nature at the global level. In the current period, but especially in the last half century, there has been a steady loss of biodiversity with major consequences for the living world and severe impacts on human society. Biodiversity is a fundamental basis for human existence and humanity is itself a part ...

This paper presents an exploratory study that analysis the factors that influence the intention to use smart meters that measure electricity consumption. The authors used the technology acceptance model as a starting point for their research, taking into consideration other eight external variables: social influence, familiarity with smart meter technology, task-technology fit, compatibility, the level of trust in companies that supply electricity, price awareness, energy conservation intentions, and perception of...

The studied structure is situated in the Carpathian Foredeep and past geological and geophysical prospecting have proven the existence of a large anticline formation with reservoir proprieties in the SW area of the structure. The prospecting and development stages for this particular reservoir started decades ago, however, recently there have been an intensification of seismic prospecting in order to asses the possibility for an increased production. A large gravimetric study was done at a regional scale that esta...

One of the discussion issues of karstological studies is the identification of karst denudation intensity; it means the quantitative evaluation of the intensity of this process, which, in turn, allows to predict the karst development. The problem of karst denudation is developed insufficiently today, which can be explained by the complexity of the issue and at the same time, the methods used to assess the intensity of denudation are not yet refined. The intensity of denudation and its general regularities in the Z...

The present paper is focused on depollution techniques representative for mining and non-ferrous metallurgy, which will assure a radically changed technological concept for a clean, safe and eco-efficient production, leading to sustainable development industry. At the same time, our works propose the implementation in the mining and metallurgical sector of unconventional processes through innovative techniques that lead to processes intensification, reduction of energy consumption, decrease of carbon footprint, by...

The article analyzes the issue of agricultural development of German-speaking colonists who lived in the steppe zone of Ukraine. The article analyzes the general features and main directions of development of this process and the reasons that caused it. The main attention is paid to the process of transformation of colonial agriculture. Until the 1860s, the most important and profitable branch of agriculture of the colonists was cattle breeding. However, due to rising grain prices, the importance of agriculture in...

The article is devoted to the study of the features of the formation of dust storms as a complex agrometeorological phenomenon that develops with a combination of a number of natural factors, which include heliogeophysical, synoptic-meteorological, physical-geographical, as well as anthropogenic factors. The latter are caused by mistakes in the development of agricultural land and general problems in the development of the agro-industrial sector of the territory's economy. As shown by the analysis of hydrometeorol...

The present study focuses on the assessment of station corrections for eleven seismic stations from the national network of National Operative Telemetric System for Seismological Information (NOTSSI). Station corrections are obtained by calculating the ratio of the spectrum of the horizontal components of the signal to the spectrum of the vertical component (H / V). Records of S-waves from 20 local and regional earthquakes are analyzed. The values of A0 - site-effect and f0 - resonant frequency were obtained. Acco...

The study of seismicity in the Black Sea region is of particular interest for assessing the vulnerability of the surrounding coastal zones to strong earthquakes and their consequences. The seismicity pattern in the area is determined by the geodynamic processes along the boundaries of the Eurasian, Anatolian and Arabian tectonic plates. The paper presents an approach to assessing the seismic activity of the Black Sea and the surrounding region covering historical and recent seismicity. The historical events since ...

Our planet experienced many intervals of climate deterioration due to terrestrial causes, such as intensified volcanism and a very active tectonic regime or extraterrestrial causes. The later includes major meteorite impacts and change in the exosphere, mostly linked to the modification of sunlight amount leading to glaciations. The most sensitive organisms to climate changes are the marine planktonic ones, especially the coccoliths and dinoflagellates. This paper describes modification in the marine planktonic wo...

Eleven stations of the Bulgarian seismological network - National Operating Telemetry System for Seismological Information have been used for an assessment of the stations' corrections (site effect), to account for the impact on the seismic waves of the low-density layer immediately below the seismic stations, amplifying the signal. Nakamura's method for calculating the ratio of the spectrum of the horizontal component to the spectrum of the vertical component (H-to-V) is applied. Data from 20 local and regional e...

The use of electrical equipment in potentially explosive atmospheres requires special attention, namely from the point of view of their construction and maintenance. Together with the technological developments, these objectives can easily be met, objectives which are defined by European standards concerning the construction, use and maintenance of explosive proof equipment. Evaluation of explosion-proof protected electrical equipment in scope of certification is extremely important considering the risk of explosi...

The article is devoted to the discussion of the possibilities of determining turbulent zones for predicting the dispersion of anthropogenic impurities in the lower air layer of the atmosphere. As you know, the atmosphere, being a dissipative system dissipating energy, is almost constantly in a state of instability. This unstable state of the atmosphere is based on deterministic chaos, which is a very important feature of the atmosphere as a dynamic, changeable environment. During the transition from the state of s...

In absence of core samples and open-hole well-log data, the broken bits of rock removed from the borehole during the drilling process represent in many cases the only lithological data that is recovered from a well. The main objective of this study was to build up a lithological profile and to use the data in order to improve the knowledge about the local geology (Quaternary deposits). Lithological information at shallow depth is generally used to better understand the local site effects, known to play an importan...

Soil and groundwater resources are natural resources of high ecological value, their protection against chemical degradation and pollution being of major interest and requesting a new methodology based on risk instruments. The need to implement methods for qualitative and quantitative assessment of ecotoxicological risk resides in objective assessment of effects pollutants have on ecosystems, to limit the transfer of xenobiotics to lower and upper levels of the food chain. In this sense, the team of the Environmen...

Main drivers of the industrial growth in the modern society include energy efficiency, compliance with national legislation and international agreements, social and environmental responsibility. Integration of these factors should be applied to the long-term development plans as the framework of sustainable development, environmental and resource efficiency. Currently, more and more countries are moving towards Best Available Techniques (BAT). Russia developed 51 Reference Document on BAT (BREF) for main industria...

The presented work highlights the general geochemical aspects and considers the theoretical basis of the method of geochemical monitoring of oil fields using the indicator of the quantitative ratio of organic compounds and their isomers - isobutane/butane. The object of the study are the microorganisms that can affect gas composition. The purpose of the work is to study the effect of microorganisms on the biodegradation of oil. The peculiarity of the oil composition will be used to search, delineate bypassed oil a...

This article is devoted to the assessment of climatic comfort on the example of the coastal cities of Sochi and Azov. The work emphasizes the role of the natural component as a kind of foundation, within the framework of which anthropogenic changes in a number of parameters characterizing the environment are manifested. In this regard, when carrying out a number of assessment studies, in particular, when carrying out a geoecological assessment of a territory, taking into account the natural component or its fundam...

In Latvia, the pygmy water lily Nymphaea tetragona Georgii was first reported 70 years ago in Lake Dunezers by Emilija Ozolina (1951). As no herbarium was collected, this finding was challenged. In 2017, during surveys of Saxifraga hirculus in the transitional mire Jaunciems in the Ances bog and forest reserve, N. tetragona was identified (based on morphological characteristics), found in shallow, elongated cavities with a solid base as an accompanying species. However, its presence in Latvia has not yet been abso...

Romanian seismicity, is characterized by a moderate rate of tectonic origin earthquakes, with an increase in density and higher magnitudes, within the Vrancea region, located at the South-Eastern Carpathians bend, at the conjunction of three major tectonic units: East European Plate, Intra-Alpine Plate and Moesian Plate. First-motion focal mechanism solutions are a good proxy for the initial rupture and they provide important additional information on the source mechanism. The data compiled in the present paper pr...

The Moldavian Platform represents the south-west margin of the East European Platform. To the south, the Moldavian Platform is bordered by the Scythian Platform and to the west by the Carpathians. The Moldavian Platform encloses many geological and paleontological sites of high scientific value, being well known for the Middle Miocene wide exposures, represented by the Paratethys stage Sarmatian. In this study, we present the geological and paleontological heritage of 6 natural reserves from the Moldavian Platform...

The seismic surveys, carried out in various stages, highlighted two domes, placed on the eastern flank of the outpost of the Eastern Carpathians, in the Pralea - Focsani Depression. According to the Bouguer and filtered gravimetric images, the two domes (Fitionesti - Trotusanu and Movilita) are placed approximately 12 km east of the axis of the outpost, on a single major gravimetric maximum. But, while the south-eastern dome (Movilita) determines an important local gravimetric maximum (+6 mgal. On the residual gra...

Sacidava archeological site is located in the Dobruja region, Romania, on a hill on the right bank of the Danube - the Musait point, located at about 5 km northeast from Dunareni village. The Roman Sacidava was part of the province of Scythia Minor, at its southern limit, and belonged to the military complex (limes) built along the Danube since the 1st century AD. The fortress has had an uninterrupted evolution from the beginning of the 2nd century AD until the first quarter of the 7th century AD, being one of the...

Heavy mineral concentrations formed in fluvial deposits present the signature of the mineral provenance and of the hydraulic sorting during transport and accumulation. The sedimentary discharge of the Danube River has been preferentially deposited due to the mineral physico-chemical properties, such as size, morphology and density, as well as local hydrodynamic factors. Besides these natural aspects, the recent modifications of the Danube and its deltaic branches are associated with a significant remodelling of th...

In the investigation of gas explosion events resulting from combustible gas leakage, often the formation of the explosive atmosphere at the location of the ignition source is less highlighted, usually being calculated the concentration of combustible gases at the entire volume affected by the explosion; depending on the distance between the gas source and the ignition, the complexity of the geometry (volumes occupied by various solid bodies) and the air currents in that volume (convective currents generated by hea...

The formation of a groundwater aquifer in a unique territory disturbed by the quarrying of a phosphorite deposit in the southwest of the Leningrad region, built up with industrial facilities for ore processing, auxiliary production, and waste storage is considered. During the quarrying of the phosphorite layer, the hydrogeological section was disturbed, the filtration and capacitive properties of the soils of the aeration zone and water-bearing rocks changed. In the zone of active quarries, during dewatering, the ...

The field of Earth Sciences has always been at the border between fundamental and applied research. If the fundamental part remains the complexity and unpredictability of research on Earth and natural phenomena, development and applied innovation are anchored in society and give a norm of the impact of research for society. The SETTING project aims to coordinate a distributed infrastructure that owns and can provide data, products and services (DPS) relevant to the field of Earth Sciences, to a wide and diverse co...

Today, elimination of active pharmaceutical ingredients from environmental waters and wastewaters is becoming an increasingly topical issue. This paper describes a flow-though technology for wastewater treatment, with tetracycline used as an example of a contaminant. A standard scheme for wastewater treatment to eliminate the mentioned compound consisted in advanced oxygen processes based on ozone treatment, fenton process, sonochemical reactions and UV treatment. Currently, photocatalysis is considered the most p...

The coastal area is the field of continuous interaction of marine hydrodynamic factors with those that act on the land. Since the prehistory, human communities have settled in this area, having access to both marine and land resources, drinking water being the most important. The Black Sea level is the drainage base level to which the surface waters of its hydrographic basin flow, but it also influences the groundwater dynamics. Southern Dobrogea is a typical geologic platform unit, divided in several tectonic blo...

Low-carbon development is an inevitable choice to solve environmental problems and achieve sustainability. The European Union set a goal to become carbon neutral by 2050 and then proposed a Carbon Border Adjustment Mechanism (CBAM) to tackle carbon leakage and enhance the effectiveness of European climate policies. The EU is Russia`s largest trading partner, so this mechanism could potentially have a significant impact on the Russian exporters of fossil fuels and carbon-intensive products and the country`s economy...

Cement concrete pavements are very specific group of the road construction due to the different traffic loads and vary time difficulties in the course of maintenance and repairs. For the design of the planed repairs the increased requirements are imposed especially in the terms of repair life time cycle. The economical evaluation shall consider not only the value of the repair itself but also the cost connected with the diversion of air traffic during the execution of the maintenance and repairs. Therefore, is hig...

The seismicity of Romania is significantly affected by earthquakes produced by the Vrancea seismic source with intermediate depth events (3 shocks/century with magnitude Mw greater than 7.0). The seismic activity on the Romanian territory consists of both shallow and intermediate-depth earthquakes. The crustal seismicity is moderate and more scattered in comparison with the intermediate-depth one. The recent upgrade of the seismic network in Romania with high dynamic range velocity sensors (150 real time seismic s...