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Glaciers are sensitive to climate change. How the fluctuation of the temperature affectsthe behaviour of the glacier and particularly its flow and seismic activity is underinvestigation. In this paper, we present a study of activity of glacier Perunika,Livingston Island, Antarctica using data from seismic station LIVV, GNSS data frompoint measurements on the surface of the glacier and meteorological data. GlacierPerunika is the closest one to the Bulgarian Antarctic Base. Seismic station LIVV, issituated near the ...

Fine particulate matter (PM2.5) is recognized as the most harmful air pollutant in Europe. The PM2.5 toxic effect is not only due to its size but also to its chemical composition. Black Carbon (BC) is one of the components of the PM2.5 that affects both human health and contributes to climate change [1-3]. It is emitted by the incomplete combustion of fossil fuels, biofuels, and biomass. There are no regular measurements of the BC concentrations in Bulgaria. This work presents new results from parallel field campa...

Air pollution in this century is a great challenge, mainly due to the aggressiveness ofpollutants on human health, but also due to their impact on all components of theenvironment, namely: air, water, soil and biodiversity. The development, adaptation andapplication of solutions to reduce air pollution is possible only through a research activity- intense innovation and supported by all those with decision-making power and financialresources. Air pollution and its impact on human health, ecosystems and biodiversit...

To achieve implementation of sustainable agriculture practices and implement circular bioeconomy in farms, agricultural waste and residuals commonly are used as feedstock for biogas production that is in line with European Union strategy to reduce methane emissions. Anaerobic digestion of feedstock results in production of the digestate. Digestate, on the one hand, is valuable fertilizer that can substitute synthetic fertilizers. On the other hand, it is associated with methane (CH4), ammonia (NH3) emissions and n...

In addition to the traffic load, the temperature also has a significant effect on the course of stresses in cement concrete slabs. It is the load of temperature changes that is often underestimated. Recently, there have been significant changes in climatic conditions and increasingly frequent extremes (especially high temperatures in the summer months and extreme fluctuations during the day), which affect the behavior of road structures and the basic characteristics affecting the stress of cement concrete pavement...

Emissions of fuels combustion are one of the main causes of smog formation andgreatly contribute to the increased CO2 emissions in numerous countries. Many citiesdecide to introduce restrictions on the usage of fossil fuels or even completely ban them.To analyze fuel used in households, it is necessary to gain access to the chimney outlet,which may prove difficult. The following article presents the current usage of drones inthe search and analysis of these sources. It presents existing, commercial solutions, aswe...

Particulate air pollution from transport in cities, especially from cars, involves a variety of harmful compounds, including fine iron and heavy metals, which can persist in the air for long periods of time, increasing harmful effects on human health and creating a risk of environmental pollution. In Europe, more and more attention is being given to the chemical composition of dust not only their concentration in cities. The aim of the study was to determine which parts of the Jelgava city have the highest polluti...

Snow cover is an important factor in mountainous regions regarding water resources, vegetation and economic issues for the ski and spa resorts. Snow is also an indicator of the fluctuating climate, resulting from the change in the regime of winter precipitation and air temperature. This study is focused on the changes in the regime of the snow cover in the Vitosha mountain. The monthly values of number of days with snow cover, seasonal maximums and monthly averages of the snow cover from 5 meteorological stations ...

The southern part of the Bulgarian Black Sea coast is characterized by numerous nature protected areas with high biodiversity, picturesque seashore landscapes and small villages that attract many tourists in summer. Despite the fact that the region is distant to big emission sources of anthropogenic pollution, air pollution and deposition can be significant for specific pollutants and seasons [1-2]. The main goal is to discuss recent data for dry depositions of oxidized nitrogen, reduced nitrogen and sulphur for t...

The climatology of hot days and extremely hot spells on the territory of Bulgaria has been studied on the basis of daily data for maximum air temperature during the warm half-year in the period 1961–2019 from 115 meteorological stations of the National Institute of Meteorology and Hydrology (NIMH). The empirical distributions of daily maximum air temperatures by selected stations representative of the non-mountainous regions of the country (below 1000 m altitude) have been investigated to determine the correspondi...

Reducing emissions of nitrous oxides in the agricultural sector is one of the mainchallenges. Stable isotopes are one of the tools that record information on changes ingreenhouse gas production, transportation and emissions. The relationship between theprocesses in soil and emissions entering the atmosphere. Stable isotopes, which are directisotopes of nitrous oxide emissions from soil, are already recognised as a promising toolfor tracking atmospheric nitrous oxide emissions from various studies. The purpose ofth...

In the North Bohemian region in the Most Basin, brown coal quarries are gradually completed and subsequently closed at present time. The planned and implemented process of reclamation of the area affected by surface mining of brown coal consists in the creation of artificial lakes and afforestation of their surroundings. The Most Basin has a character of a graben, especially its central part. The area of the basin is closed between the Ore Mountains and the Bohemian Central Mountains. In a relation with this ortho...

The Brown Coal Research Institute j.s.c. is currently conducting long-term research on the development of the Czech Republic’s climate and its impacts on mining activities. The research deals with the overall assessment of climate change in the Czech Republic and the main attention is paid to the area of the Most Basin, which is known as the largest Czech brown coal deposit. In addition, the basic air pollution characteristics in this area are monitored for a long time and trends in relation to climate change are ...

The oceans cover more than 70% of the Earth's surface. There is a constant material andenergetic interaction of the ocean with the environment. This process determines themodification of the basic properties of its waters, which, in turn, determines the climatechange on Earth. Climate change remains today one of the most discussed issues in bothacademia and the public. The Intergovernmental Oceanographic Commission ofUNESCO responsible for supporting global ocean science and services pays greatattention to the imp...

Increasing the number of cars in urban areas and the development of a variety of production technologies involving the use of fossil fuels in the urban environment are leading to a significant increase in air pollution. As air pollution with heavy metals and other chemical elements increases, air quality is deteriorating. Poor air quality, in turn, causes a number of different problems for human health, causes poor feeling and reduces life quality in total. The method of analysis of snow samples is one of the meth...

Surface mining method enormously affects the environment in terms of fugitive dust emission than underground mining method. High mechanization in mining operations leads to add heavy load of dust to the surrounding area. Dust not only deteriorates the environmental air quality in and around the mining site but also creates serious health hazards. During coal mining activities, large quantities of coal dust, ashes, polycyclic aromatic hydrocarbons, and heavy metals are released into the environment, forming a compl...

The article presents the current situation of the largest mining regions in the EuropeanUnion, which is the Silesia region in Poland.The current legal conditions regarding the adopted ambitious climate goals in the 2030and 2050 horizon and the resulting obligations of the Member States to reducegreenhouse gas emissions will result in significant changes in the economic profile, inparticular in the Silesia region. The energy transformation is a very complex and longterm process, which includes both technological ch...

Environmental protection has taken priority among the amendment proposals to theagricultural support scheme of the European Union, the Common Agricultural Policyplanned as of 2020, one of the specified means of which is precision agriculturalproduction. The case of pig farms using digital technology, it is also possible to collectand analyze production results in the field of pig fattening, which can be used todevelop theoretical models for economical pig fattening, for being better the food chainsafety and reduct...

Agroclimatic analyses for last three decades indicate climate change to be the most crucial factor that exacerbates agricultural production. In the long run, it will create a global crisis in future if it magnifies without any control. Basically, climate change occurs due to rise in anthropogenic emission of greenhouse gases (CO2, N2O, CH4, freons) [1]. This causes various hazardous phenomena to initiate significant changes not only in energy and water dynamics of the atmosphere but also in agricultural and ecolog...

Considering the high potential threat to the environment and humans caused by the components of dust and gas emissions, the aluminum industry belongs to the category of industries of increased danger to public health. Violation of the process of apoptosis control under the negative influence of environmental factors leads to homeostasis shifts and is one of the many factors contributing to the development of immune regulation disorders. This paper aims to assess the features of cell death in the adult population o...

Remote sensing measurements of the Atmospheric Boundary Layer (ABL) were performed with a monostatic Doppler sodar system during the period August 2008 - October 2016 near the Black Sea coastal town of Ahtopol. These high resolution data (10 m in vertical direction and 10 min in time) were used in the framework of the project REPLICA to obtain a reference extreme wind speed profile following the criteria for "rare" events of the Intergovernmental Panel on Climate Change (IPCC). Based on the defined reference profi...

In the last quarter of the 20th century, noticeable climate changes (warming) were recorded, which affected both the atmosphere and the ocean. The modern climate changes are most clearly observed in the Arctic Ocean. Sea ice, which also is an important component of the polar climate system, through its high albedo and insulating effect, reduces the heat exchange from the ocean to the atmosphere (Hanssen-Bauer et al., 2019). The analysis of the features of the interannual and seasonal variability of the sea ice ext...

Tasks involved in controlling and managing ambient air quality on urbanized territories require actual and authentic data on emission sources and their structure, as well as on how pollution is spatially distributed under various meteorological conditions, capacity of industrial objects taken into account. It is difficult to regulate dust pollution of ambient air due to its certain peculiarities. Dust components in emissions from various productions tend to have poly-disperse and multi-component structure. This st...

Ground level ozone (O3) is a photochemical pollutant with harmful effects on human health, vegetation and ecosystems. The focus of this work are ozone data measured at the synoptic station Ahtopol, a rural site at the southern Bulgarian Black Sea coast. The surrounding area is without big anthropogenic sources of air pollution, rich in biodiversity and protected zones by NATURA2000. From our summer campaigns data collected during the last years, we have selected for analysis July 2018 – a summer month with well-ex...

Health risk should be considered a key component in the environmental safety,especially in urbanized territories with developed industries.The research aim was to assess health risks in a city with developed metallurgic andpulp and paper industries in order to substantiate future activities aimed at protectinghuman health and the environment.Bratsk was chosen as a research object since it is a large industrials center located in theEastern Siberia in the Russian Federation; the city population is more than 200 tho...

Air pollution is a problem today, and it is essential to know how high it is. By increasingpeople's standard of living, increasing the number of factories, cars and citizens, it ishelpful to know how much pollution is distributed and whether it does not exceed thestandards allowed for pollution. It is necessary to investigate air pollution with heavymetals in Jelgava by identifying data from areas. In preparing the analysis, it is possibleto assess whether air quality is adequate and does not exceed pollution stan...

Dissemination of the hoaxes and misinformation can exacerbate the consequences ofindustrial accidents with disastrous consequences for the environment. There arewarning examples from the past that the intentional misinformation may cause fatalconsequences. Three major industrial incidents introduced proofs the importance of thecorrect and true information. It demonstrates the sensitivity of any event on thecorrectness of information sources especially at the beginning of the accident in thecritical time for the pe...

Due to land use practices, there is a change in the environmental landscape in Haridwardistrict which has a great impact on its weather which in further also impacts vegetation.Vegetation Indices are considered as indicator for temporal variation of vegetation sofor better consideration of this dynamics, relation between vegetation and climateshould be studied more extensively. This study evaluates the annual dynamics undervegetation cover and its impact on climatic factor. It is carried out by establishing therel...

One of the most important sources of ambient air pollution in the urban area is traffic, which generates two inorganic pollutants with severe effects on human health, namely nitrogen dioxide (NO2) and ozone (O3). The lockdown imposed in the context of COVID-19 pandemic dramatically decreased the level of traffic. In this respect, the paper aims to evaluate the impact of the COVID-19 lockdown on ambient air quality, by monitoring NO2 and O3 concentrations within the INCERC Bucharest Branch, part of NIRD URBAN-INCER...

The article is devoted to the discussion of the application of the complex of technicalsolutions developed by the authors of the article aimed at eliminating the gorenje firesthat arise and develop within the landfills of solid municipal waste near urbanizedterritories. As is known, due to the growing number of municipal solid waste landfillsnear settlements, a number of geoecological problems are increasing, among which themost acute are the problems of pollution of the lower layer of air, surface andunderground ...

It is well known that more than 80% of globally traded goods are conveyed by maritime means of transportation. The shipping activities cannot be performed without emitting harmful gases and particles. The Black Sea basin has a consistent shipping activity accompanied by air emissions. The said basin also complicates the pollution with hydrocarbons or litter point of view, air emissions placing an additional burden on the Black Sea basin environment. We assessed the quantity of the main harmful components of the em...

Based on the palynological analysis of the bottom sediment column of the arctic lake with the code name K1 of the Yerkuta river basin from the southwestern part of the Yamal Peninsula, we received a preliminary information on climatic changes, as well as on changes in vegetation character in the area around the water body. Reconstruction of vegetation around the lake has identified the development of a brush-grass-moss tundra. Shrubs are represented by Betula sect. Nana, Alnaster, Salix sp., Ericaceae. Herbaceous ...

The major part of the radiation dose, which humans receive from natural radioactivesources, originate due to radon and its decay products inhalation. Indoor radon poses asubstantial threat to human health when build-up occurs in confined spaces such ashomes, mines and caves. The health risk increases with the duration of radon exposureand it is also proportional to the radon concentration. Tourist caves are a case of specialenvironmental conditions that may be affected by high radon concentration. The aim ofthe wo...

In this study, variations in the paleoecological conditions of Western Siberia were analyzed. For the paleoecological studies, a core of bottom sediments, 51 cm long, was taken from an unnamed lake located in the Yamalo-Nenets Autonomous Okrug. A total of 26 samples from the core were examined in detail. As a result, 30 cladoceran taxa were registered. Among them, Bosmina (Eubosmina) longispina was dominant throughout the core. The subdominant species were Alonella nana and Chydorus cf. sphaericus from the family ...

The aim of the study is to present variation of days with hail precipitation in different regions of Bulgaria and seasonal synoptic classification of such type of extreme events. Examined period is 1991 – 2020. Time-space distributions of days with hail events, detected in at least one station from meteorological network of the National Institute of Meteorology and Hydrology are presented, as well as the regime of wide-spread hail events. The hail precipitation which are detected in at least 4 districts in Bulgari...

The atmosphere is one of the environmental components, which living organisms utilize the most. However, in large urban agglomerations, the air often contains substances that can be dangerous to human health and ecosystems, especially if their concentrations exceed the legal norms. Although the mechanism of impact of the individual chemical compounds (SO2, NO2, O3, benzene, etc.), considered as pollutants is well known, it is still a challenge to clarify the composition and impact of the particulate matters, espec...

Precipitation chemistry has been intensively studied worldwide mainly due to acid deposition, eutrophication, trace metal deposition, damages to forests and vegetation, ecosystem health, and global climate change [1]. The objective of this study is to investigate the relationship between precipitation pH and wind direction for the period of five years (2015-2019) at coast Hydrometeorology station Ahtopol. The pH of bulk precipitation samples, as well as the wind direction are measured in the main synoptic terms (0...

The NAO index has a strong influence on weather over West Europe and the Mediterranean basin but less prominent over the east part of Europe. The aim of this study is the assessment of the influence of the North-Atlantic oscillation on the snow cover conditions in Bulgaria. The winter (December thru March) station-based index of the NAO is used for the current survey as well as data for snow cover maximums from 10 meteorological stations, 4 of them mountainous, for the main period 1930-2020. The linear relation be...

In this paper was used correlations between LST-NDVI, for warmest day, for 2013-2016.Study area, Iasi, is geographically situated on latitude 47 degrees 12 min N to 47 degrees06 min N and longitude 27 degrees 32 min E to 27 degrees 40 min E. The largest city ineastern Romania is Ia?i and the seat of Ia?i county. Land surface temperature, calculatedfrom remote sensing data is used in a lot of fields of science, like: climate change,hydrology, forestry, urban planning, oceanography, agriculture etc. In earlier therm...

The Romanian storage sites for CO2 geological storage are located in the Oltenia Region, in the south – western part of Romania, within a 50 km radius circle around Turceni Power Plant. This zone comprises a part of the Getic Depression and a small part of the western sector of the Moesian Platform, two of the main geological units bearing oil and gas deposits, which were explored and studied over the years. In this zone of investigation only aquifers in the Tertiary formations have been considered as potentially ...

Within the thermal power plants there are many places where the personnel work inimproper conditions. Depending on the concentration and toxicity of gases, duration ofexposure for the personnel, the air can have harmful effects. Currently, several specificmeasures to limit toxic gases have been introduced in the thermal energy system. Thispaper presents as example the situation in Borzesti thermal power plant, throughmodern methods of analysis, by identification and monitoring the physical and chemicalproperties o...

Based on 3D modelling tools, an extensive database was created and used for differentstudies of atmospheric composition. The simulations were based on the US EPA Model-3 system. The models in the system were adapted and validated for Bulgaria. This gavethe opportunity to conduct extensive studies on a fully competitive modern level of theclimate of atmospheric composition in the country. On this basis, a statistically significantensemble of Air Quality indexes (AQI) was calculated, and their typical recurrence,spa...

The mitigation of GHG emissions from anthropogenic ecosystems is one of a challenge for following decades. Successful GHG emission mitigation scenarios can be developed if there are tools to predict GHG emission trends according to climate, soil conditions, farm management practices, and other factors. One of the essential GHG emission sources is managed agricultural soils, and the most important factors are soil conditions, soil moisture, and temperature. The conceptual hydrological model METQ has been created un...

An immunological diagnostic examination of 255 children permanently residing in the zone of influence of exogenous haptens and the intense climate of the Arctic was performed. The control group consisted of 130 children living in the territory beyond the influence of exogenous chemical and climatogeographic factors. Determination of total serum immunoglobulins G, A, M was performed using the Mancini radial immunodiffusion reaction. The concentration of total IgE, neuron-specific enolase and VEGF was determined usi...

Climate change is one of the most discussed topics around the world. They occur both globally and regionally and are not synchronous in time and space. This research is devoted to analysing climatic changes in the basin of the Sea of Azov. The territory is located in the south of the European part of Russia and includes the basins of the Don and Kuban rivers. The reference stations are in different landscape zones: forest-steppe, moderate-arid steppe, arid steppe, dry steppe, semi-desert. The study period is 1961-...

In 2019, a new, modern Strategy of the Environmental Policy of the Slovak Republic until 2030 (the Envirostrategy 2030) was approved. The previous one has been in force since 1993, so it was only a matter of time before implementing a strategy to address current environmental challenges and problems. Along with industry and energy, transport is one of the main producers of greenhouse gas emissions. According to the statistics of the Ministry of the Environment of the Slovak Republic, the amount of greenhouse gas e...

The tornado phenomenon is getting to more attention in recent years due its unexpectedoccurrence in the areas where it was traditionally extremely rare. The European strongesttornado since 2001 appeared in Southern Morava region, Czech Republic, June 24th 2021.The paper deals with the incidence of tornadoes, the ways of prediction and measurementas well as the protection advices. The believed life cycle and possibilities of themonitoring, forecasting with the current satellite system as well as their limits werein...

This investigation is aimed to determine the general development phases of the vegetation and climatic situations of the Pur-Taz interfluvial region, Western Siberia (Yamalo-Nenets Autonomous Okrug, Russia) based on the spore-pollen analysis of the bottom sediments of the Lake 17-Ya-01. The palynological analysis was carried out on the basis of 26 samples. In total, 26 palynomorphs have been identified. A spore-pollen diagram, which has been divided on the 4 biostratigraphic sequences (pollen zones PZ I-IV), refle...