Szép Robert

Institute for Research and Development for Wildlife and Mountain Resources

The aim of this study was to provide customers with additional information by analyzing and comparing the nutritional data of different dairy product varieties in Romania. Milk is an ideal source of nutrition because it contains a balanced combination of carbohydrates, proteins, fats, minerals, and vitamins. In this study, the nutritional constitue...

To detect the spatial differences of atmospheric pollutants in urban and suburban areas is important for observing their aspects on regional air quality, climate, and human health. This study is focused on the evolution of PM 2.5 , PM 10 , NO x and SO 2 , concentrations, and meteorological parameters from 2010 to 2022, at urban and suburban area in...

Modern societies are characterized by increased air pollution, and particulate matter (PM) is one of the most significant air pollutants and is a major environmental health problem. Therefore, long- and short-term exposure via inhalation, ingestion, and dermal absorption of particulate matter may cause series health issues, such as cardio pulmonary...

Refineries and petrochemical industries are known to be the principal sources of emissions for a number of air pollutants, such as Volatile Organic Compounds (VOCs), greenhouse gases and particulate matter, which negatively affect the air quality. The primary goal of this research was the time series analysis of PM2.5, PM10, As, Cd, Ni, Pb, benzene...

Air pollution, especially the concentration of particulate matter (PM2.5, PM10) is a major issue and is the biggest environmental risk for early death. In the present study, we aimed to estimate the human health risk and to describe the spatial and temporal variation of particulate matter in Romania between 2009-2018. The average concentration of P...

A severe form of recurrent exertional rhabdomyolysis occurs enzootically in a well-defined region of Transylvania, Harghita county. At the highest lying two settlements (more than 800 m above sea level), the prevalence of equine rhabdomyolysis is between 17 and 23%, while in the neighbouring villages in the valley it is less than 2%. The objective...

Observations of particulate matter less than 10 μm (PM10) were conducted from January to December in 2015 in the Ciuc basin, Eastern Carpathians, Romania. Daily concentrations of PM10 ranged from 10.90 to 167.70 μg/m3, with an annual mean concentration of 46.31 μg/m3, which is higher than the European Union limit of 40 μg/m3. Samples were analyzed...

In the present study, the concentrations of trace elements in PM 10 were determined and analyzed at 115 monitoring stations in Romania throughout the period 2009–2018. The spatiotemporal distribution of trace element concentrations of PM 10 , the source apportionment and health impact assessment, was carried out. The results showed a very high mult...

The present study aims to analyze the temporal variations of PM 10 and to assess the health risk indexes caused by trace elements from particulate matter (PM 10 ) via inhalation, ingestion, and dermal absorption by adults and children in Copșa Mică (Romania) during 2009–2019. The results revealed a high multi-annual mean concentration of PM 10 and...

In the present study, 53 Romanian origin and commercially available mineral water brands were collected from the market and analyzed based on the chemical, mineral content labeled by manufacturers. The selected chemical parameters were, from the cations: Ca²⁺, Mg²⁺, Na⁺, K⁺, from the anions: HCO3-, Cl-, SO42-, and fixed residue at 180 °C. The Spear...

This study presents the PM10 concentration, respiratory and cardiovascular disease hospital admissions evolution in the Ciuc basin for a period of 9 years (2008–2016), taking into consideration different meteorological conditions: boundary layer, lifting condensation level, temperature-humidity index, and wind chill equivalent chart index. The PM10...

Long-term variations of ozone and its precursors have been examined in an intra-mountain closed basin during January 1st 2008 and June 30th 2017. A complete assessment of surface ozone concentration is given, investigating the ozone cycle, the weekend effect, seasonal and diurnal variability of O 3 and its precursors, photolysis of O 3 and the atmo...

The PM10 concentration reduction caused by large-scale precipitation in the Ciuc Basin was studied under no-wind conditions. The PM10 concentration changing before, during, and after the rainfall was followed up from 2008 to 2019. After the rainfall episode, the PM10 concentrations were lower in the cold and warm periods with 2.8 μg/m 3, and 2 μg/m...

The air quality decrease, especially in urban areas, is related to local-scale conditions and to dispersion of air pollutants (regional and long-range) as well. The main objective of this study was to decipher the seasonal variation of PM10, NO, NO2, NOx, SO2, O3, and CO over a 1-year period (2017) and the possible relationships between air polluti...

Romania has many mineral water sources due to its geological features. In the present study, bottles of 26 Romanian mineral water brands were purchased from the market to make a characterization based on the pH, conductivity, and fixed residue content. Focusing on the total fixed residue, the distribution of low, medium, and highly mineralized wate...

The association between air pollution and a wide-ranging spectrum of acute and chronic disorders—including cardiovascular diseases—is widely acknowledged. Exposure to airborne pollutants triggers harmful mechanisms such as oxidative stress and systemic inflammation, which lead to increased incidence of myocardial infarction, arterial hypertension,...

A comprehensive analysis of the chemical composition of precipitation was performed on rainwater samples collected between 1978 and 2017 over the conterminous US. A total of 86470 data records downloaded from the National Atmospheric Deposition Program were statistically analyzed and assessed in terms of precipitation chemistry. The ion abundance f...

The chemical composition of rainwater was studied from January 2009 to December 2017 in the northern group of Eastern Carpathians, Romania, taking under consideration air mass trajectories, the zonal index and zonal circulations, to show the imprints of long-range transported pollutants on the precipitation chemistry. Rainwater samples were analyze...

Extratropical cyclones are essential for climate conditions in midlatitude areas due to energy budget transfer which they sustain between the poles and tropical areas. With the multitude of cyclone tracking and detection methods developed over the years, the principal challenge focused on the agreement between them. For this purpose, we selected 12...

Based on the well-known excellent adsorbent ability of chicken eggshells, the adsorptive capacity and mechanism of Remazol Brilliant Violet-5R (RBV-5R) dye by eggshell was investigated. Exploiting the high surface-area-to-volume ratio and porous structure of this natural adsorbent, the developed procedure showed to be useful for the efficient adsor...

The aim of this study is the assessment of rainwater composition, regarding the various sources of major ions and heavy metals, taking into account the characteristic atmospheric circulations and the main air mass transport routes. Rainwater samples were analyzed for pH, electrical conductivity, major ions and heavy metals. At all sampling sites th...

Monthly time series of mean and maximum wind speed over the period 1961-2018 from 104 weather stations evenly distributed over Romania (spatially and elevation-wise) were tested for trends with the Mann-Kendall nonparametric test. The monthly mean wind speed is decreasing at about half of the stations, while increasing trends are between 5% (Novemb...

In order to identify changes in the annual temperature extremes, the Mann-Kendall non-parametric trend test has been applied to several thermal indices, recommended by the Expert Team on Climate Change Detection and Indices (ETCCDI). The indices were computed from gridded daily data of minimum and maximum temperature at 0.1° resolution (~10 km), fr...

As a result of industrial development water pollution has become a major issue. Providing clean water of sufficient quality and quantity is essential. According to literature, 100 000 different dyes are used worldwide in the printing, food and textile industries. Remazol Brilliant Violet-5R belongs to the group of azo dyes used in the textile indus...

Proper assessments of degradation for lotic ecosystems are of a great importance, given that they provide essential ecosystem services and host some of the most endangered habitats. Currently, one of the most frequently used ways to assess lotic ecosystems integrity is the Water Framework Directive. It implies but important investments in material...

Background The chemical composition of precipitation was assessed in 27 European countries from 2000 to 2017, offering a general point of view on the rainwater chemistry in Europe, contributing to a larger understanding of air pollution and atmospheric chemistry. Results The volume-weighted mean concentrations (VWM) were calculated, showing the r...

In the last years, the adsorption processes were proven effective and easy to use techniques to clean polluted wastewater. The purpose of this research is to examine the biosorption method on organic indicators (Methylene Blue, Malachite Green, Congo Red and Bromphenol Blue) in aqueous medium by using chicken eggshell. The adsorption process was in...

A comprehensive study on the chemical composition of precipitation, the influence of peat fires and their relations with atmospheric circulation was conducted in the year of 2012, in two intra-mountain basins, the Ciuc basin (CB) and the Giurgeu basin (GB), Eastern Carpathians, Romania. Atmospheric circulation types showed the presence of a westerl...

A comprehensive study on the chemical composition of rainwater was carried out from 2006 to 2016 in four sampling locations from the Eastern Carpathians, Romania, in order to study the differences between the precipitation chemistry and atmospheric circulations of intra-mountain and extra-mountain areas. All samples were analyzed for pH, electrical...

A study of precipitation chemistry was conducted from 2006 January to 2016 November in the Ciuc and Giurgeu basin, Eastern Carpathians, Romania. The results show that the natural precipitation in these areas is alkaline, with a volume weighted mean (VWM) of 6.49 and 6.88 in Ciuc and Giurgeu basin, respectively. NH4+ is the most potential species to...

Determination of diisocyanates in the laboratories of the Authorities of Public Health was described and verified. Air samples collected in the breathing zone of workers exposed to diisocyanates were analyzed in an automotive industry. Diisocyanates (2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 4,4´-methylenediphenyl isocyanate, and 1,6-hex...

A study of precipitation chemistry was conducted for 11 years (01 January 2006 - 31 December 2016) in the Ciuc basin, Eastern Carpathians, Romania. The studied area is an enclosed basin, also called 'the Carpathians cold pole'. All collected samples were analyzed for major cations and anions. HCO3− concentrations were calculated based on the empiri...

Eggshell waste as adsorbent was successfully used for the removal of Cd(II) ions from model synthetic aqueous solutions. Batch biosorption studies were conducted in order to evaluate the effect of various parameters, such as: contact time and initial metal ion concentration. The changes in the morphological structure were evaluated by TEM and SEM a...

The phytoremediation of Crystal violet dye was developed using the aquatic plant Elodea canadensis as biofilter. We analyzed the role of functional groups in phytoremediation by aquatic plants using the Fourier transform infrared spectroscopy (FTIR). The aquatic plant's abiotic stress responses were evaluated under exposure of 20-90 mg/L initial dy...

This paper addresses the assessment of the Danube River water monitoring data obtained for the nutrients in the period 2013-2014 in order to achieve and/or maintain the environmental of the river for January-December period of each year in line with the provision of the Government elements of quality: N-NH 4 + , N-NO 2-, N-NO 3-, P-PO 4 3-, P t. Si...

Assessing the corrosion condition and structural modifications which occur in old concrete structures could provide valuable information regarding the preservation state of the historical construction as well as the needed support for future maintenance works in order to minimize as much as possible the loss of these structures with important histo...

The atmospheric stability plays an important role in the accumulation of air pollutants and greatly influence their degradation, dispersion and deposition. These atmospheric qualities can be determined with various methods (Richardson number, Monin-Obukhov length, SRDT method) and the pollutant concentration increase demonstrates the atmospheric st...

Air quality modelling is an essential tool for most air pollution studies. The air quality models are the means whereby pollutant emissions can be related to atmospheric pollutant concentrations. The uncertainties in assessment of air quality are related to both the quality of measured values of pollutant concentrations in local network and the inp...

Beginning with the statement of the World Conference on Environment and Sustainable Development from Rio de Janeiro (1992), the world's countries have started to develop national policies for implementing the concept of sustainable development. The experiences of those years led to a more pragmatic approach of the sustainable development implementi...

Scopul acestei lucrări este analiza evoluţiei temperaturilor în Bazinul Ciuc. Intervenţiile antropice din ultimile decade au produs schimbări majore în climatologia zonelor depresionare. Defrişările, regularizările cursurilor de apă au dus la scăderea evapotranspiraţiei, drenarea zonelor de luncă şi pierderea solurilor turboase. Acestea sunt doar u...

This study summarizes the results of continuous measurements of gaseous pollutants, NO, NO2, NOx and O3 in the ambient air of Ciuc basin. The main objectives of this report were to characterize the concentration and temporal variations of ozone and its precursors Ciuc basin; to discuss the relationship between ozone and atmospheric oxidation and in...

Studies on precipitation chemistry were carried out from January 2006 to December 2016 at Miercurea Ciuc, Ciuc basin, Eastern Carpathians, Romania. A total of 362 samples were collected and were analyzed for pH and major cations and anions (NH4+, Na+, K+, Ca2+, Mg2+, Cl−, NO3−, and SO42−). HCO3− concentrations were calculated through pH measurement...

Plenary session

The hydrotechnical works carried out in order to improve navigation conditions on the Calarasi - Braila sector of Lower Danube, raise up the issue of the influence they might have on the environment. Therefore, it was necessary to undertake activities for monitoring the environmental factors. Considering the importance that it has in the aquatic ec...

The main objective is to analyze some physical-characteristics of the Șușița Catchment, such as climate, soil texture and land use type, having an impact in hydrological response of the catchment area. This analysis is useful in understanding the role of controlling factors in the hydrological processes taking place in the study area, such as sedim...

As ozone is a secondary polluting substance, its oxides of nitrogen (NOx) play a significant role as precursors. Their existence is influenced by climatological and meteorological parameters, as well as other air pollutants (SOA, VOC). At present, alongside with various meteorological parameters (temperature, wind speed, relative humidity, sun inte...

As part of the integrated monitoring system, monitoring of the air quality it is essential in areas where operating a cement factory, the atmosphere being the most common way of spreading pollutants derived from such industrial activity. To highlight the impact on the air of the activities that take place in the cement factory from Eastern Romania...

Surface sediment samples were collected monthly from ten sites along the Danube River between Km 347 and Km 182, during May 2012 – August 2014, in order to assess heavy metal pollution status and adverse biological effects. Concentrations of six elements (Cu, Cr, Ni, Zn, Pb and Cd) were determined using AAS technique. Statistical analyses were perf...

As part of the integrated monitoring system, monitoring of the air quality is essential in areas where operating a cement factory, the atmosphere being the most common way of spreading pollutants derived from such industrial activity. To highlight the impact on air of the activities developed by the cement plant situated in the eastern part of Roma...

The topic of this paper is part of the current concerns to reduce the impact of pollutants on the aquatic environment by chemical treatment of wastewater in the context of sustainable development for improving quality of life. Suspended solids can lead to deposition of sludge and the occurrence of anaerobic fermentation with negative effects on the...

The hydrotechnical works carried out in order to improve navigation conditions on the Calarasi – Braila sector of the Lower Danube, raise up the issue of the influence they might have on the environment. Therefore, it was necessary to undertake activities for monitoring the environmental factors. Considering the importance that it has in the aquati...

Cave degradation assessment in Romania might be a challenge due to the variety of harmful anthropic activities: mineral resources exploitation, unsupervised tourism, road network development, abusive deforestation, etc. The present study proposes a new methodology for cave degradation assessment. The methodology combines caves intrinsic characteris...

he Ciuc basin is one of the coldest basins of Europe. We can observe many times the atmospheric stability, because of the characteristics of the terrain. This phenomenon has influenced the air quality in the basin. In this study, we are looking for the qualitative and quantitative changes of the air pollutants. Beside these we follow the sanitary e...

Breathing in air polluted with drifting dust harms human health, therefore predicting the concentration of air pollutants and the timely warning of the most sensitive target groups are very important. The present paper aimed to create an easily accessible and usable model on the level of the Ciuc basin in Transylvania, Romania, in order to forecast...

The pollutants emitted into the atmosphere may be transformed after certain time; they can come out from the atmosphere as dry or wet deposition. The plant species characteristic to the Ciuc basin is the pine, forming large forests that constitute the primary surface deposition. According to that, dry deposition calculations have been carried out,...

The Greenhouse Gas and Air Pollution Interactions and Synergies (GAINS) model quantified the relationship between the premature mortality and the long-term troposphere ozone concentration. Researches show that the elevated surface ozone concentration has an adverse impact on human health and vegetation also. In the present paper we examine the effe...

This paper summarizes the results of a yearlong continuous measurements of gaseous pollutants, NO, NO2, NOxand O3 in the ambient air of Ciuc Depression. Measured concentration of the pollutants in study area is a function of time. NO, NO2 and O3 peak occurred in succession in presence of sunlight. At the time of maximum O3 concentration most of the...

The pollutants emitted into the atmosphere m ay be transform ed after certain time; they can com e out from the atmosphere as dry or wet deposition. The plant species characteristic to the Ciuc basin is the pine, form in glarge forests that constitute the primary surface deposition. According to that, dry deposition calculations have been carried o...