scholarly journals Multiannual Assessment of the Risk of Surface Water Erosion and Metal Accumulation Indices in the Flysch Stream Using the MARS Model in the Polish Outer Western Carpathians

2019 ◽  
Vol 11 (24) ◽  
pp. 7189
Author(s):  
Wiktor Halecki ◽  
Tomasz Kowalik ◽  
Andrzej Bogdał
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Hazard Quotient ◽  
Regional Scale ◽  
Arable Land ◽  
Water Erosion ◽  
Multivariate Adaptive Regression Splines ◽  
Agricultural Activity ◽  
Outer Western Carpathians

The anthropogenic problems in richly sculpted areas (mountain and submontane) are mainly related to agricultural activity, which shapes the quality of surface waters. This paper presents an analysis of the results of the hydrochemical tests carried out in the years 2007–2018 at check-control spots. The heavy metal pollution index (HPI < 100) indicated a low risk for aquatic organisms. The statistical calculations obtained by means of multivariate adaptive regression splines (MARS) designated that the hazard quotient (HQ) index can be combined with the electrical conductivity (EC) and total dissolved substances (TDS) parameters used in the assessment of water erosion. The HQ index showed that the concentration of individual heavy metals is lower than their value in the 0.5 percentile of the value. In subsequent studies, it should be assessed whether the size of arable land has an impact on the increased concentration of heavy metals in the surface water. We recommend small retention reservoirs as a potential management measure to improve the quality of the surface water at a regional scale. This study has great potential to mitigate the degradation processes related to the insufficient storage capacity, and to promote natural water retention.

scholarly journals Human Health Risk Assessment of Trace Metals in Surface Water Due to Leachate from the Municipal Dumpsite by Pollution Index: A Case Study from Ndawuse River, Abuja, Nigeria

2018 ◽  
Vol 16 (1) ◽  
pp. 214-227 ◽  
Author(s):  
Ibironke Titilayo Enitan ◽  
Abimbola Motunrayo Enitan ◽  
John Ogony Odiyo ◽  
Muhammad Mamman Alhassan
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Health Risk ◽  
Human Health ◽  
Heavy Metal Contamination ◽  
Hazard Quotient ◽  
Phase 1 ◽  
Human Health Risk ◽  
Hazard Index ◽  
Cumulative Exposure

AbstractThe study assessed the level of heavy metals in surface water across Ndawuse River near the dumpsite at Phase 1 District of the Federal Capital Territory (FCT), Abuja, Nigeria. The results indicated that oxygen demand, turbidity and heavy metals were above the standard limits set for drinking water. Multivariate analysis using principal component analysis and hierarchical cluster analysis revealed natural and anthropogenic activities as sources of heavy metal contamination. The estimated non-carcinogenic effects using hazard quotient toxicity potential, cumulative hazard index and daily human exposure dose of surface water through ingestion pathway were less than a unity. The estimated carcinogenic risks (CRing) exceeded the suggested potential risk limits, with lead (Pb) having the highest CRing value for all age groups. However, children were found to be more susceptible to heavy metals over a period of time according to the estimated values. The concentration of heavy metals in the investigated river could pose an adverse health risk to several communities that rely on this receiving water bodies for domestic purposes. Therefore, there is need for strict enforcement of environmental laws to protect aquatic ecosystem and to avoid long term cumulative exposure risk that heavy metals may pose on human health.

scholarly journals Heavy Metals Assessment of Abattoir Effluent on Surface Water Quality of River Katsina-Ala of Benue State, Nigeria

2015 ◽  
Vol 49 ◽  
pp. 90-98 ◽  
Author(s):  
Addy Jose Vershima ◽  
Kabough Jonathan Terkimbi ◽  
Azua Terese ◽  
Aliyu Ibrahim
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Heavy Metal ◽  
Surface Water ◽  
Rainy Season ◽  
Metal Content ◽  
Surface Water Quality ◽  
Dry Season ◽  
Heavy Metal Content

Water samples of six sampling sites (two downstream, two abattoir sites and two upstream sites) were analyzed using standard methods to determined and assessed heavy metal content of abattoir effluent on surface water quality of River Katsina-Ala, Benue State, Nigeria for rainy and dry seasons. Rainy season heavy metals results were; Cr6+ (0.032+0.06mg/l); Mn2+ (0.16+0.034mg/l); Cu2+ (0.86 +0.46mg/l); Pb2+(0.006+0.002mg/;Cd2+(0.0023+0.004mg/l) and the dry season results were: Cr6+(0.028+0.007mg/l); Mn2+(0.07+0.05mg/l); Cu2+(0.85+0.16mg/l); Pb2+(0.0030+0.014mg/l); Cd2+(0.0021+0.012mg/). Most heavy metals for both seasons were within the maximum permissible limit set by Federal Ministry of Environment, Nigeria (1991). The mean concentrations of Zn2+(1.70+0.29 mg/l) for rainy season and Zn2+(1.33+0.23mg/l) dry season were above the control and standard safe limits of < 1mg/l FMEnv (1991) for surface water quality. There was no significance difference (p<0.05) between the means from upstream and downstream sites for both seasons; though significance difference (p<0.05) existed at the abattoir sites. River Katsina –ala is slightly polluted. Heavy metal content from effluents from abattoir contributed to upset the physicochemical balance of the river. Bioaccumulation and bio-magnification of heavy metals may occur from prolong usage of the river water for drinking. It is suggested that the abattoir effluent be treated before discharge into the river to reduce environmental and health hazards.

scholarly journals Quality of water and sediment of different cottage industries water bodies: A case study

2017 ◽  
Vol 29 (2) ◽  
pp. 133-141
Author(s):  
Farzana Yasmin ◽  
Sayma Khanom ◽  
Md Sunjid Sultan Ferdous
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Industrial Effluents ◽  
Heavy Metal Concentration ◽  
Industrial Area ◽  
Water And Sediment ◽  
Quality Of Water ◽  
Cottage Industries

This study was carried out in order to assess the effect of industrial effluents on the surface water and sediment around BSCIC industrial area, Narayanganj. Different parameters such as TDS, DO, pH, EC, Turbidity, BOD, COD, and heavy metals such as Pb, Zn, Cd, Mn, Cr and Ni were investigated. The results showed that, different industries inside the BSCIC area discharge effluents composed of various chemicals at considerably higher levels compared to pollution limits of inland surface water standard given by DoE. Significantly higher levels of EC (3540 ?S/cm), TDS (3862 mg/l), BOD (143.71 mg/l) and COD (396.30 mg/l) were found in the water. Also a higher level of heavy metals along with high pH was found both for the water and sediment around the BSCIC area. A significant correlation was found between the pH, EC and heavy metal concentration of the collected water samples. The above findings point out that the water around the studied area is quite polluted by the industrial activities of the BSCIC area and malicious for surrounding environment.Bangladesh J. Sci. Res. 29(2): 133-141, December-2016

scholarly journals Heavy Metals in the Fish Tenualosa ilisha Hamilton, 1822 in the Padma–Meghna River Confluence: Potential Risks to Public Health

Toxics ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 341
Author(s):  
Md. Jahangir Sarker ◽  
Md. Ariful Islam ◽  
Farhana Rahman ◽  
Md. Anisuzzaman
Keyword(s):  
Public Health ◽  
Heavy Metals ◽  
Surface Water ◽  
Health Risks ◽  
Hazard Quotient ◽  
Single Species ◽  
Target Hazard Quotient ◽  
Icp Ms ◽  
River Confluence ◽  
Potential Risks

Hilsa shad (Tenulosa ilisha) is Bangladesh’s most important single-species fishery that contributes to 11% of total catch and employment for millions of people. However, heavy metals (HMs) toxicity in the edible organs of T. ilisha and their plausible public health threats have received weak attention. To provide insights on this issue, we determined, using ICP-MS, the concentration of Zn, Cu, Cr (VI), Pb, and Cd in the edible organs of five different sizes of T. ilisha and the surface water collected from the Padma–Meghna River confluence, Chandpur (Bangladesh). Multivariate analysis indicated that T. ilisha gills and liver contained higher HMs than muscle, and the surface water was below the safety limits. The study revealed that only Cr crossed the safety limits and bioaccumulated in the smaller-sized gills and liver. To assess the public health risks, target hazard quotient (THQ), total THQ (TTHQ) and carcinogenic (CR) risks were calculated. Only Cr imposed non-carcinogenic risks to consumers, while TTHQ showed higher chronic health risks. There was no CR risk measured for consumers, except for the largest-sized gills for children. Randomly positive relations between HMs and sizes were found; whereas, consistently positive relations were found among the tissue types. The outcomes of our study may aid policymakers in managing pollutants, especially the Cr sources in the greater Chandpur regions.

scholarly journals EVALUATION OF THE HEAVY METALS CONTAMINATION OF THE WATER OF THE MOULOUYA MEDIUM

2021 ◽  
Vol XLVI-4/W5-2021 ◽  
pp. 193-196
Author(s):  
H. Ech-Chafay ◽  
M. Najy ◽  
A. El Ghazouany ◽  
O. Akkaoui ◽  
M. Lachhab ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Surface Waters ◽  
Concentration Gradient ◽  
Human Activities ◽  
Anthropogenic Impact ◽  
Heavy Metals Contamination ◽  
The Impact ◽  
Metallic Pollution

Abstract. This work is part of a program to study and monitor the impact of human activities in the cities of Missour and Outat El Haj on the quality of the surface waters of the average Moulouya (Morocco).The aim of this study is to evaluate in time and space, the degree of metallic pollution of surface water of the average Moulouya during the period (September 2014, January, April and July 2015). The results of this study suggest that the waters of the ten stations in the study area are relatively contaminated with heavy metals. The contents of the analyzed metals are high and variable in the wastewater of the cities of Missour and Outat El Haj and in the waters of the Moulouya average.The anthropogenic impact on the ecosystems selected for this work is highlighted by: the high metallic contamination of the water of the stations located downstream of wastewater discharges of the cities of Missour and Outat El Haj, and the variation of the contents according to an increasing concentration gradient from station M1 to M9.

Effects of Mining Pollution on the Longjiang River in China

2015 ◽  
Vol 1130 ◽  
pp. 610-613
Author(s):  
Ming Jiang Zhang ◽  
Fu Ke Huang ◽  
Nan Wang ◽  
Guang Yuan Wang ◽  
Xing Yu Liu ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Heavy Metal ◽  
Surface Water ◽  
Metal Content ◽  
Quality Standards ◽  
Chemical Precipitation ◽  
Mining Pollution ◽  
National Environmental

In order to investigate the effects of mining pollution to LongJiang River and to know the situation of LongJiang River, we collected water and sludge samples along the river and analyzed the heavy metal content of samples. Results showed that LiDeFen factory and JinHe mining released most of the heavy metals to LongJiang River two years ago, and the upstream of LongJiang River also released some metal to the river. These heavy metals were precipitated to the bottom of LongJiang River by using weak alkaline chemical precipitation technology, and water quality of LongJiang River can reach the second national environmental quality standards of surface water now. The precipitation effects were different in different remediation sites.

scholarly journals Assessment of the Chemical State of Bottom Sediments in the Eutrophied Dam Reservoir in Poland

2020 ◽  
Vol 17 (10) ◽  
pp. 3424
Author(s):  
Aleksandra Ziemińska-Stolarska ◽  
Ewa Imbierowicz ◽  
Marcin Jaskulski ◽  
Aleksander Szmidt
Keyword(s):  
Heavy Metals ◽  
Organic Carbon ◽  
Total Organic Carbon ◽  
Bottom Sediments ◽  
Arable Land ◽  
Organic Matter Content ◽  
Matter Content ◽  
Agricultural Activity ◽  
Biogenic Compounds ◽  
Biogenic Components

The aim of the presented research was to examine the concentration of biogenic compounds and heavy metals in the bottom sediments of the Sulejów Reservoir (Central Poland) from October 2018. Based on the obtained research results, maps of the spatial distribution were prepared. The following parameters were analyzed: total phosphorus (TP), total Kjeldahl nitrogen, total organic carbon (TOC), ratio of total organic carbon to nitrogen (C:N), organic matter content as well as Cd, Cr and Pb concentrations. The sediments were collected at 28 sampling sites, covering the whole area of the reservoir. The differences in the content of individual biogenic compounds result from the composition of the debris applied by the supplying rivers, as well as the content of this elements in the water, long retention time (40 days) and depth from which the tested sediments were taken. The distribution of examined compounds was largely influenced by the agricultural activity in the studied area, as well as the presence of ports and recreational points. Based on the measurements, the highest amounts of biogenic components deposit in sediments of deep parts in slow-flowing waters, in stagnation zones, areas adjacent to arable land, and the sites where fine-size fractions prevail in the deposited material. Biogenic compounds in sediments of the Sulejów Reservoir showed a pattern of gradual increase along the reservoir from lower values in the back-water part. A similar relationship is visible for heavy metals. Referring to the ecotoxicological criteria, it can be stated that bottom sediments from the Sulejów Reservoir collected in 2018 are not toxicologically contaminated in terms of cadmium, lead and chromium content.

scholarly journals Soil quality assessment based on reaction of soil solution and content of heavy metals in the southern part of Odessa Region

2017 ◽  
pp. 17-22
Author(s):  
G.V. Lyashenko ◽  
L.A. Prykup
Keyword(s):  
Heavy Metals ◽  
Soil Solution ◽  
Organic Fertilizers ◽  
Comparative Characteristic ◽  
Agricultural Activity ◽  
Weakly Alkaline ◽  
Slow Moving ◽  
Protective Methods

Introduction. Land resources suffer from serious anthropogenic influence which negatively influences soil covering. It’s necessary to obtain reliable information about condition of soil to provide rational land using. Purpose. The objective of this research consists in assessment of quality of soil in the southern part of Odessa Region based on reaction of soil solution and content of heavy metals. Methods. Assessment of quality of soil covering is carried out on the basis of the established classification of reactions of soil covering and the comparative characteristic of content of heavy metals in soil with indication of maximum permissible concentration of these metals. Results. Within the territory of the southern part of Odessa Region soils with weakly alkaline and alkaline reactions of soil solution prevail. The areas of soils with neutral reaction don't exceed 23% of the total area of Tatarbunary district. Content of heavy metals is observed in soils of all regions of the southern part of Odessa region. Conclusion. In order to transfer heavy metals to slow-moving forms liming of soils is carried out with regard to sour soils and gypsuming – with regard to alkaline ones. It is possible to achieve the same purpose through using phosphoric and organic fertilizers. After formation of complexes heavy metals become less mobile and get to vegetation in smaller quantities. It is also possible to reduce intake of heavy metals by vegetation through adding organic ion-exchange substances in soils. Termination of agricultural activity is recommended with respect to the territories where rate of heavy metals’ pollution of air, water, soil and vegetation reaches the level that is critical for human health, and where the system of modern protective methods is no more effective.

scholarly journals Monitoring the quality of surface water resources of the Almaty region

2020 ◽  
Vol 78 (4) ◽  
pp. 303-311
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Water Resources ◽  
Surface Waters ◽  
Industrial Production ◽  
Underground Water ◽  
Ecological State ◽  
Surface Water Resources ◽  
Chemical Pollutants

The target analyzes the features of rationing the content of chemical pollutants, heavy metals in surface waters, and the results of basic monitoring of these groundwaters. To identify chemical pollutants, several nuclei of the studied region are examined. The paper considered the issues of the ecological state of underground water under the influence of anthropogenic (in particular, industrial production) impacts.

Агрономическая эффективность промышленной (голландской) технологии возделывания картофеля

2018 ◽  
Author(s):  
C. Coy ◽  
A.V. Shuravilin ◽  
O.A. Zakharova
Keyword(s):  
Heavy Metals ◽  
Regression Analysis ◽  
Positive Response ◽  
Growth Yield ◽  
Correlation And Regression Analysis ◽  
Yield And Quality ◽  
Quality Of Products ◽  
High Degree ◽  
The Impact

Приведены результаты исследований по изучению влияния промышленной технологии возделывания картофеля на развитие, урожайность и качество продукции. Выявлена положительная реакция растений на подкормку K2SO4 в период посадки. Корреляционно-регрессионный анализ урожайности и качества клубней выявил высокую степень достоверности результатов опыта. Содержание нитратов и тяжелых металлов в клубнях было ниже допустимых величин.The results of studies on the impact of industrial technology of potato cultivation on growth, yield and quality of products. There was a positive response of plants to fertilizer K2SO4 in the period of planting. Correlation and regression analysis of yield and quality of tubers revealed a high degree of reliability of the results of experience. The contents of nitrates and heavy metals in tubers was below the permissible values.

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