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    Wyświetlanie 1-11 z 11
    Tytuł:
    Year over year comparison of sediment quality in the rivers of Eastern Slovakia
    Autorzy:
    Singovszka, Eva
    Balintova, Magdalena
    Powiązania:
    https://bibliotekanauki.pl/articles/118759.pdf
    Data publikacji:
    2020
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    bottom sediment
    potential ecological risk assessment
    heavy metals
    Opis:
    Quality is one of the most important risk indicators in river basins. Therefore, monitoring and evaluating water and sediment quality has a very important role in process of risk management. The aim of the monitoring is provide for the sustainability of water bodies and these results are the basis for the risk management in the river catchment area. Hornad, Laborec and Poprad are the rivers in Eastern Slovakia. Hornad and Laborec belongs to basin of Danube and Poprad belongs to basin of Vistula. Sediment sampling was carried out according to ISO 5667-6. Monitoring was carried out in the spring on 2017–2018. The chemical composition of sediments was determined by means of X-ray fluorescence (XRF) using SPECTRO iQ II (Ametek, Germany, 2000). The results of sediment quality evaluated by method PERI revealed that the quality of sediment in 2018 was better than 2017. Results of XRF analysis of sediments were compared with the limited values according to the Slovak Act 188/2003 Coll. of Laws on the application of treated sludge and bottom sediments to fields. It can be state that limit values comparing with Slovak legislation were not exceeding in all sediment samples in rivers in Eastern Slovakia. Based on the monitoring data of sediment quality in the study area, a quantitative analysis of heavy-metal pollution in sediment was conducted using the method of potential ecological risk index (PERI) which is method for evaluate the potential ecological risk of heavy metals. It is based exclusively on chemical parameters of sediments because sediment data show mean integrated values in time, with higher stability than water column parameters; sediments are easily sampled at field work; sediment samples are more representative for time and space scales and analytical data are easily obtained, especially because sediments present high concentrations of contaminants, decreasing the possible errors due to detection limits of the applied analytical method. This method comprehensively considers the synergy, toxic level, concentration of the heavy metals and ecological sensitivity of heavy metals. Potential ecological risk index can be obtained using three basic modules: degree of contamination (CD), toxic-response factor (TR) and potential ecological risk factor (ER). The results show on the basis on potential ecological risk index that the quality of sediment in 2018 is better than 2017. The worst result shows Hornad in 2017. Significant improvement occurred at the sampling point S2 in Hornad in 2018. The best results show Laborec in 2018. The results show on the basis on potential ecological risk index that quality of sediment in 2018 is better than 2017.
    Źródło:
    Scientific Review Engineering and Environmental Sciences; 2020, 29, 3; 289-297
    1732-9353
    Pojawia się w:
    Scientific Review Engineering and Environmental Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trace Element Distribution in the Snow Cover of Different Functional Zones in Berezniki-Solikamsk Industrial Hub, Russia
    Autorzy:
    Ushakova, Evgeniya
    Menshikova, Elena
    Karavaeva, Tatiana
    Puzik, Alexey
    Powiązania:
    https://bibliotekanauki.pl/articles/2027898.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    trace element
    snowmelt
    contamination
    source identification
    ecological risk assessment
    Opis:
    The current study considered the distribution of trace elements in snow cover taking into account the functional zoning of the territory of Berezniki-Solikamsk industrial hub, Perm Region, Russia. The concentrations of 22 trace elements were determined in the dissolved phase of snowmelt using ICP-MS method. On the basis of on the background approach, it was found that Ni, Se, Cu, and Sn are actively accumulated in the snow cover. Snowmelt surface runoff during snow melting period significantly contributes to the total watershed discharge of rivers; therefore, the compliance with the Russian fishery quality standards was assessed. It was found that meltwater is the source of Cu, Mn, Se, Zn, V in surface waters. Significant concentrations of Pb, Cd, W, As, Se in snow are characteristic of conditionally background sites in comparison with average values of global concentrations of dissolved trace elements in river waters, and Se, W, Pb, Ni, As, Cd are characteristic of all functional zones. This study presented the possible sources of priority pollutants. The greatest technogenic impact was observed in the area of transport infrastructure development. Upon that, recreational and residential functional zones also experience significant anthropogenic impact. In order to create a comfortable and healthy urban environment it is necessary to implement the measures to restore these areas.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 10; 28-39
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ecological risk assessment of heavy metals in the Sidi Boughaba Lake, Morocco
    Autorzy:
    Najy, Mohamed
    Talbi, Fatima Z.
    Ech-Chafay, Hassan
    Akkaoui, Omar
    Lachhab, Mohamed
    Achhar, Abderrahman
    Nouayti, Nordine
    Belghyti, Driss
    Powiązania:
    https://bibliotekanauki.pl/articles/2203555.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    contamination factor
    ecological risk assessment
    heavy metal
    lake
    Morocco
    Sidi Boughaba
    Opis:
    The goal of the research was to evaluate the heavy metal detection and potential ecological risks in lake’s water. Geological formations consisting essentially of sandstone and quaternary marine or dune sands characterize the study area. With a climate of the Mediterranean type winters are mild and humid, whereas summers hot and dry. At the analysis center of the Faculty of Sciences, the monitoring of ETMs is carried out by ICP-MS, the processing of data and the validation of the analysis method have been drafted according to the NF T 90-120 standard applicable to the analysis in a laboratory. The analysis covers concentrations of heavy metals, which include Cu, Zn, Mn, Fe, Pb and As, in the water. Pollution load index (PLI) values were above one (>1) which indicates progressive deterioration of the water quality. However, contamination factor (CF) values of Pb and Cu, ranging from 8.31 to 15.68 and from 5.5 to 28.05 respectively, show that the studied water remains under a strong impact by Pb and Cu. Considering the severity of the ecological risk (Er) for a single metal, the descending order of contaminants is Cu > Pb > Mn > Fe > Zn. In relation to the total ecological risk index (RI), water from the lake shows low to considerable ecological risk.
    Źródło:
    Journal of Water and Land Development; 2023, 56; 215--219
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy Metals Effects on Agricultural Soil Enzyme Activities of Fez, Morocco
    Autorzy:
    Zerrari, Naoual
    Rais, Naoual
    El Ghachtouli, Naima
    Kouchou, Aziza
    Ijjaali, Mustapha
    Powiązania:
    https://bibliotekanauki.pl/articles/24201777.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    agricultural soil
    soil enzyme activity
    heavy metals
    ecological risk assessment
    Saiss plain
    Opis:
    Enzyme activities in soils are influenced by soil characteristics and pollutants and could be indicator of soil quality. This study was undertaken to determine the relationship between physicochemical characteristics, heavy metals contents and enzyme activities (EA) in agricultural soils in the Saiss plain (Morocco). The analysis of six agricultural soil samples (sites 1–6), collected from urban and periurban agricultural soils of Fez region, showed that soils are generally alkaline with high CaCO3 that rich 46%, EC (525–703 μS/cm), rich in organic matter (3.14–5.80%). The Cr, Cu, Ni, Pb and Zn concentrations in the studied area are generally greater than the Upper Continental Crust, with a deceasing order: Zn> Cr> Pb> Cu> Ni. Geo-accumulation index showed that soils are unpolluted to moderately polluted except site 5 and site 6 that are moderately to strongly polluted by respectively Cu, Pb, Zn and Pb. Potential ecological rіsk factors were below 40, which means low potential ecological rіsk except site 5 that has moderate potential ecological risk by Cu and Pb. Soil potential ecological risk indices were found <150 indicating low ecological risk. According to this index, Cu caused more serious pollution than the other elements. The enzyme actіvities of the sіx soil samples showed almost the similar ranges of values. These EA showed the highest values in site 5.The sensіtivity of soil enzyme to heavy metals were observed UREA>PHOS>GALA. Pearson’s correlation showed significant posіtive correlatіon between studied soil EA and between these EA and heavy metals (Cu, Pb and Zn), and significant negative correlatіon between EA and heavy metals (Cr and Ni). The results of this study enrich and provide data base of the impact of heavy metals on soil enzyme actіvities in agrіcultural soils in the Saiss plain.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 5; 144--154
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current status of phenolic pollution in urban lakes and its toxicity to cells : a case study of Xi’an, China
    Autorzy:
    Wang, Min
    Zhang, Yutong
    Sun, Jingxin
    Huang, Chen
    Zhai, Hongqin
    Powiązania:
    https://bibliotekanauki.pl/articles/27311546.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Urban lakes
    phenolic compounds
    pollution
    ecological risk assessment
    miejskie zbiorniki wodne
    związki fenolowe
    zanieczyszczenie
    szacowanie ryzyka
    środowisko
    Opis:
    Liquid chromatography-mass spectrometry was used to detect and analyze phenolic compounds in the surface waters of four urban lakes in Xi’an – Hancheng Lake, Xingqing Lake, Nanhu Lake, and Taohuatan Lake. A total of 5 phenolic compounds were detected from the water samples, with a concentration range of ND-100.32 ng/L, of which bisphenol A (BPA) and nonyl phenol (NP) were the main types of phenolic compounds pollution in the four lakes. Pearson correlation analysis was used to analyze the concentration of phenolic compounds in the lake waters of Xi’an City and the water quality indicators COD, TP, NH3 -N, DO, and pH during the same period. It was found that there was a significant positive relationship between the concentration of BPA and COD, the concentration of estradiol (17-beta-E2), estrone (E1) and TP and TN, the concentration of octylphenol (4-t-OP) and pH. The ecological risk assessment (ERA) shows that the concentration of BPA, 4-t-OP and NP in the lakes is at a medium risk level( is between 0.1–1), and that of E1 is at a high risk level (is greater than 1). Female cells (breast cancer cells) and male germ cells (testis cells) of mice were used as research objects to explore BPA and NP Toxic effect on mouse germ cells. BPA and NP at a concentration of 10-8 mol/L were found to have the most value-inducing effect on MCF-7 breast cancer cells positive for estrogen receptor. Obviously, both BPA and NP can induce the proliferation of testicular Sertoli cells.
    Źródło:
    Archives of Environmental Protection; 2023, 49, 1; 63--73
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improving the Environmental Safety Risk Assessment in Construction Using Statistical Analysis Methods
    Autorzy:
    Smirnova, Elena
    Mamedov, Shirali
    Shkarovskiy, Alexander
    Powiązania:
    https://bibliotekanauki.pl/articles/2174904.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ecological risk
    environmental safety
    Monte Carlo method
    risk assessment
    Opis:
    The article aims to assess risk for substantiating the economic and organizational efficiency of construction in the context of ecologic safety. A quantitative risk estimation was made through the Monte Carlo way for negative and positive choices to avoid ecological harm. The simulation algorithm imitated the distribution obtained from the evidence-based fit. The outcomes of a sensitivity investigation are also prepared to verify the suggestion. This risk analysis technique has a digital computer implementation. The simulation data outputs demonstrate the alternative of the general norm of validation and the acceptance of the solution, which is not harmful to the environment. In situations of uncertainty, the decision to select the optimistic flavor with high spending (to retain the reliability of the technics) but less risk pretends to be a decisive factor in the eco-friendly protection strategies of the construction project.
    Źródło:
    Rocznik Ochrona Środowiska; 2022, 24; 110--128
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk Management Model in ISO-standards as the Implementation of Environmental Safety for Housing Construction
    Autorzy:
    Smirnova, Elena
    Larionov, Arkadij
    Shkarovskiy, Alexander
    Powiązania:
    https://bibliotekanauki.pl/articles/30145704.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ecological risk
    environmental management
    environmental safety
    housing construction
    risk assessment
    risk management model
    safety standards
    Opis:
    The authors analyse the standardisation of risk management as an effective tool for the safety of design solutions in residential construction. The analysed regulatory documentation answers the question of achieving an acceptable level of risk. Within the framework of improving environmental management, the use of specific penalties looks quite natural. However, the primary purpose of ISO 14001 is to form a responsible attitude toward the environment and natural resources as the most crucial assets of economic activity. The article raises the issue that domestic standards cannot thoroughly guide risk analysts due to their lack of development and inconsistency with ISO 31000:2018 and ISO 14001:2016. It is necessary to develop a unique approach to risk assessment, de facto describing the interaction of different scenarios, which will ensure an increase in the environmental and economic effects in the field of housing safety.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 282-288
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential ecological risk assessment of a stream in Shamva, Zimbabwe
    Autorzy:
    Kanda, A.
    Ncube, F.
    Takura, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/10007.pdf
    Data publikacji:
    2017
    Wydawca:
    Fundacja na Rzecz Młodych Naukowców
    Tematy:
    ecological risk
    risk assessment
    metal pollution
    sediment
    water body
    aquatic ecosystem
    tailing
    Shamva township
    Zimbabwe
    Opis:
    Water bodies are the final sinks of all pollution with more than 90% of contaminants found in suspended particulates and bottom sediments. Only less than 10% is retained in the water column yet it attracts and receives great research attention. The pollution status and the potential ecological risk of three pools of water along a stream due to heavy metal enrichment from a nearby active gold mining tailings dam were assessed. The upstreamdownstream and sedimentological approaches to ecosystem health assessment were used. Potential uses of pool water were also evaluated based on measured water quality parameters. Heavy metals in water and sediment were determined using Flame Atomic Absorption Spectrometry. Results revealed that salinisation, acidification and heavy metals were exported from a mining tailings dam to the stream. The degree of contamination of pool water by heavy metals dictated water uses. Heavy metal concentrations imposed water use restrictions for aquatic life in a pool which directly received discharge from the mine tailings dam. The average heavy metal concentrations in sediments were lower than the standard shale values. Sediment quality guidelines and pollution indices showed that the stream was not polluted with heavy metals, thus posed no potential ecological risk. Continuous monitoring of tailings discharge and wash off is important to safeguard aquatic ecosystem and public health.
    Źródło:
    Environment, Earth and Ecology; 2017, 1, 1
    2543-9774
    2451-4225
    Pojawia się w:
    Environment, Earth and Ecology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing Heavy Metal Contamination in Marine Sediments Around the Coastal Waters of Mimika Regency, Indonesia
    Autorzy:
    Tanjung, Rosye Hefmi Rechnelty
    Hamuna, Baigo
    Yonas, Marcelino Novryanto
    Powiązania:
    https://bibliotekanauki.pl/articles/123537.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    marine sediments
    heavy metals
    contamination assessment
    pollution load index
    ecological risk
    Mimika waters
    Opis:
    The heavy metal contamination has become a serious problem in the aquatic environment, including marine sediments. This study was aimed at analyzing the content of heavy metals in marine sediments, then assessing and evaluating the level of heavy metal contamination and its ecological risks. The sediment samples were taken using a grab sampler at six sites in the coastal waters of Mimika Regency, Indonesia. The TCLP testing method was used to determine the content of heavy metals in marine sediments. The results showed that the concentrations of Pb, Cu, Cd, and Hg in marine sediments ranged from <0.25 to 0.59 ppm, <0.02 to 0.54 ppm, <0.005 to 0.03 ppm, and < 0.0007 ppm. Only the concentrations of Cu on the Meoga and Puriri sites exceeded the quality standard in the Government Regulation of the Republic of Indonesia No. 18 year 1999. The results of the assessment of heavy metal contamination and its ecological risk potential indicate that the coastal waters of Mimika Regency are included in the category of low contamination and low ecological risks. The concentration of heavy metals in this study shows that the coastal waters of Mimika Regency are not contaminated by Pb, Cu, Cd, and Hg heavy metals.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 11; 35-42
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution and health risk assessment of water quality: a case study in Mohammedia prefecture in Morocco
    Autorzy:
    El morabet, R.
    Berhazi, L.
    Khan, R. A.
    Bouhafa, S.
    Khan, N. A.
    Hakh, T.
    Romaniv, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2055750.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
    Tematy:
    water quality assessment
    water pollution index
    ecological risk
    non-carcinogenic risk
    carcinogenic risk
    ocena jakości wody
    wskaźnik zanieczyszczenia wody
    ryzyko ekologiczne
    ryzyko nierakotwórcze
    ryzyko rakotwórcze
    Opis:
    Purpose: Water is vital for the sustenance of every life form. Urbanization, growing population and industrial development has led to exploitation of water resources globally. This study assesses quality of water resources of Mohammedia prefecture. Design/methodology/approach: The water quality analysis was carried out based on physio-chemical and heavy metal concentrations. The physio-chemical analysis comprised of status of concentration, overall quality and water pollution index evaluation. The heavy metal evaluation consisted of Ecological Risk Index, non-carcinogenic risk and carcinogenic risk assessment. Findings: The landfill near Ben Nfifikh River reported insignificant (WPI<1) – low level of pollution (>1≤1.5) for surface and groundwater points. However, the groundwater for Zenata region was found to pose both carcinogenic (CRt > 0.0001, range 0.4-35.31) and non-carcinogenic risks (HQ>1, range 6 -34) of higher degree rendering it unfit for human consumption. Hence, this study concludes that groundwater resources should not as water supply; instead, Oud El Maleh River can serve as surface water source for meeting requirements of Zenata region. Research limitations/implications: The data obtained can be categorized as landfill area near river Nfifikh and landfill area near river El Maleh. Both areas have been investigated for groundwater and surface water quality assessment. Practical implications: This study demonstrates the need to study the characteristics of groundwater (depth, flow rate, water renewal, etc.) before arranging a waste dump. This problem is especially relevant for arid countries, since residents experience a shortage of water, as well as a lack of rainfall provides a weak renewal of groundwater, which can contribute to the accumulation of a higher concentration of carcinogens in groundwater and provide a high risk to public health. If policymakers in arid countries and decision-makers have effective water quality maps, then the country can be more efficiently managed water resources without risking the population. Originality/value: The current study is planned as a multi-stage, each of which is supposed to conduct field studies of groundwater and surface water quality with appropriate parameters, analysis of institutional reports and related scientific studies in order to create an effective water quality map for rational water use.
    Źródło:
    Journal of Achievements in Materials and Manufacturing Engineering; 2022, 110, 2; 67--85
    1734-8412
    Pojawia się w:
    Journal of Achievements in Materials and Manufacturing Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monitorowanie technologii a nieusuwalne granice sterowalności (na przykładzie krytyki projektu inżynierii klimatu)
    Technology monitoring and inevitable limits of controlling – case of climate engineering
    Autorzy:
    Bińczyk, Ewa
    Powiązania:
    https://bibliotekanauki.pl/articles/11542282.pdf
    Data publikacji:
    2015
    Wydawca:
    Kancelaria Sejmu. Biuro Analiz Sejmowych
    Tematy:
    global warming
    climate engineering/geoengineering
    technological instrumentalism
    technological imperative
    monitoring of technology
    Technology Assessment
    ecological risk
    scientism
    Opis:
    The article addresses the issue of monitoring of a technology. The author provides analysis of the inherent limitation of the very idea of controlling and points out the inevitable limits of philosophical, theoretical and practical nature. In that context, selected critical arguments concerning technology, Technology Assessment and Science and Technology Studies are presented. It is argued that the project of geoengineering exemplifies the dangerous views of scientism, so-called technological imperative and instrumentalism, the tendency to underestimate the future risks, and finally, the dilemma of control.
    Źródło:
    Studia BAS; 2015, 3(43); 113-136
    2080-2404
    2082-0658
    Pojawia się w:
    Studia BAS
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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