scholarly journals Concentration and pollution assessment of heavy metals within surface sediments of the Raohe Basin, China

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Jin Wei ◽  
Maoqing Duan ◽  
Yiping Li ◽  
Amechi S. Nwankwegu ◽  
Yong Ji ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Surface Sediments ◽  
Reference Method ◽  
Pollution Assessment ◽  
Mining Area ◽  
Sampling Area ◽  
Accumulation Index ◽  
Extraction Scheme ◽  
Geo Accumulation Index ◽  
Geo Accumulation

Abstract Surface sediment samples were collected from four areas (the Jingdezhen Industrialized Area (JDZ), Upstream (UP), the Dexing Mining Area (DX), and Downstream (DM)) to investigate the concentration and chemical composition of heavy metals. The sediments were analysed for Cu, Zn, Pb, Cd, Cr, As, and Ni using a sequential extraction scheme according to the improved BCR (European Community Bureau of Reference) method. The obtained results show that the maximum values of Cu (793.52 μg·g−1), Zn (72.09 μg·g−1), Pb (222.19 μg·g−1), and Cd (1.60 μg·g−1) were collected from the DX sampling area, while the JDZ area had the highest concentrations of Cr (97.09 μg·g−1), As (318.05 μg·g−1), and Ni (66.35 μg·g−1). The majority of metal values far exceeded their corresponding background values. The risk analysis of geo-accumulation index (Igeo) indicated that the heavy metals Cu and As were the main pollution factors and each element of the pollution degree followed the order of: Cu > As > Pb > Cd > Cr > Zn. Metal partitioning characteristics were also considered and more than 80% of metals show potential bioavailability and toxic effects.

Spatial Variation and Source Analysis of Heavy Metals in Surface Sediments of the Hejiang River, China

2014 ◽  
Vol 522-524 ◽  
pp. 71-74
Author(s):  
Shao Peng Wang ◽  
Ying Hui Wang ◽  
Rui Jie Zhang ◽  
Dao Quan Xu
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Surface Sediments ◽  
Heavy Metal Contamination ◽  
Potential Ecological Risk ◽  
Source Analysis ◽  
Anthropogenic Contamination ◽  
Accumulation Index ◽  
Geo Accumulation Index ◽  
Geo Accumulation

To fully understand the levels of heavy metal contamination and potential ecological risk,content level and distribution characteristics of nine kinds of heavy metal (Ti, Cd, Pb, Zn, Cr, Cu, Hg, As, Al) were analyzed in surface sediments collected in Hejiang River which flows through Hezhou City, a typical developing city in China. Researching enrichment regularity and the possible source of heavy metals by correlation analysis, as well geo-accumulation index (Igeo) was calculated to assess the anthropogenic contamination in the region. Results showed that the levels of sediment heavy metals followed the order: Al > Zn > As > Cu > Pb > Cr > Cd > Tl > Hg; obvious positive correlations were observed amongst the concentrations of Pb, Zn, As, Cd, Cu, Al; the pollution extent of heavy metals in sediments by geo-accumulation index (Igeo) followed the order: Cd > As > Zn > Cu > Pb > Hg > Al > Cr > Tl, the pollution extent of Cd and As were serious at m sampling sites.

Distribution and Contamination Status of Heavy Metals in the Surface Sediments along Western Coast of Bali Strait, Banyuwangi

2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Defri Yona ◽  
Syarifah Hikmah Julinda Sari ◽  
Anedathama Kretarta ◽  
Citra Ravena Putri Effendy ◽  
Misba Nur Aini ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Metal Pollution ◽  
Contamination Factor ◽  
Pollution Index ◽  
Western Coast ◽  
Sampling Locations ◽  
Accumulation Index ◽  
Geo Accumulation Index ◽  
Geo Accumulation

This study attempted to analyze the distribution and contamination status of heavy metals (Cu, Fe and Zn) along western coast of Bali Strait in Banyuwangi, East Java. Bali Strait is one of the many straits in Indonesia with high fisheries activities that could potentially contributed to high heavy metal pollution. There were five sampling areas from the north to south: Pantai Watu Dodol, Pantai Kalipuro, Ketapang Port, Pantai Boom and Muncar as the fish landing area. Heavy metal pollution in these locations comes from many different activities such as tourism, fish capture and fish industry and also domestic activities. Contamination factor (CF), geo-accumulation index (Igeo) and enrichment factor (EF) of each heavy metal were calculated to obtain contamination status of the research area. The concentrations of Fe were observed the highest (1.5-129.9 mg/kg) followed by Zn (13.2-23.5 mg/kg) and Cu (2.2-7.8 mg/kg). The distribution of Cu, Fe and Zn showed variability among the sampling locations in which high concentrations of Cu and Zn were higher in Ketapang Port, whereas high concentration of Fe was high in almost all sampling locations. According to the pollution index, contamination factors of Cu, Fe and Zn were low (CF < 1 and Igeo < 1). However, high index of EF (> 50) showed high influence of the anthropogenic activities to the contribution of the metals to the environment. This could also because of the high background value used in the calculation of the index due to the difficulties in finding background value from the sampling areas.Keywords: heavy metals, pollution index, contamination factor, geo-accumulation index, Bali Strait

Geo-Accumulation Index of Heavy Metals in Pond Water Sediment of Raipur

2019 ◽  
Vol 12 (3) ◽  
pp. 733-736 ◽  
Author(s):  
Vinod Jena ◽  
Sanjay Ghosh ◽  
Aditi Pande ◽  
Kresimir Maldini ◽  
Natalija Matic
Keyword(s):  
Heavy Metals ◽  
Pond Water ◽  
Accumulation Index ◽  
Geo Accumulation Index ◽  
Geo Accumulation

Heavy metals and geo-accumulation index development for groundwater of Mathura City, Uttar Pradesh

2019 ◽  
Vol 138 ◽  
pp. 291-300 ◽  
Author(s):  
Salman Ahmed ◽  
Shadab Khurshid ◽  
Fazil Qureshi ◽  
Athar Hussain ◽  
Ayushman Bhattacharya
Keyword(s):  
Heavy Metals ◽  
Uttar Pradesh ◽  
Index Development ◽  
Accumulation Index ◽  
Geo Accumulation Index ◽  
Geo Accumulation

Distribution and Contamination Evaluation of Lead in the Sediments of Northern Kaohsiung Harbor, Taiwan

2012 ◽  
Vol 178-181 ◽  
pp. 984-987
Author(s):  
Chiu Wen Chen ◽  
Chih Feng Chen ◽  
Cheng Di Dong
Keyword(s):  
Municipal Wastewater ◽  
Surface Sediments ◽  
River Mouth ◽  
Potential Ecological Risk ◽  
River Bank ◽  
Mouth Region ◽  
Accumulation Index ◽  
Severe Degree ◽  
Geo Accumulation Index ◽  
Geo Accumulation

The distribution, enrichment, accumulation, and potential ecological risk of lead (Pb) in the surface sediments of northern Kaohsiung Harbor, Taiwan were investigated. Results showed that the Pb concentrations varied from 10.9–73.2 mg/kg with an average of 42.1±19.1 mg/kg. The spatial distribution of Pb reveals that the Pb concentration is relatively high in the river mouth region, and gradually diminishes toward the harbor entrance region. This indicates that upstream industrial and municipal wastewater discharges along the river bank are major sources of Pb pollution. Results from the enrichment factor and geo-accumulation index analyses imply that the sediments collected from the river mouth can be characterized between severe and very severe degree enrichment and between moderately strong and strong to very strong accumulation of Pb, respectively.

scholarly journals Spatial Variability of Heavy Metals in Surface Water and Sediment in the Kolo Creek Water Body in the Niger Delta of Nigeria and Geochemical Factors that Influence their Interactions Using Geo-accumulation Index

2019 ◽  
pp. 1-9
Author(s):  
Abinotami Williams Ebuete ◽  
Andy Etta Bisong ◽  
Okereke Chukuma ◽  
Lucky E. Ndiwari ◽  
Ibim Yarwamara Ebuete
Keyword(s):  
Heavy Metals ◽  
Surface Water ◽  
Water Body ◽  
Niger Delta ◽  
Pollution Load Index ◽  
Pollution Load ◽  
Accumulation Index ◽  
Geochemical Factors ◽  
Geo Accumulation Index ◽  
Geo Accumulation

The Kolo Creek is an inland water body in the Niger Delta receiving organic and chemical wastes arising from anthropogenic activities within the catchment area. This study was therefore carried out to investigate the spatial variabilities of heavy metals in surface and sediment and their geochemical factors that influence their presence along the Kolo Creek in 2018 using Geo-accumulation index and pollution load index to extrapolate the level of heavy metal contraction in the two medium. Sediment and Water samples were collected for five (5) months and assessed from eight sampling points (A-h) for seven (7) heavy metals such as  Copper (Cu), Lead (Pb), Iron(Fe), Camium (Cd), Manganese (Mn), Nickel (Ni) and Mercury (Hg). All the heavy metals had geo-accumulation indices below zero which indicates no pollution except Fe which had geo-accumulation index in the range 3.327 in surface water and 7.751 in sediment, furthermore, the pollution load index revealed a toxicity of 0.664 times in surface water as against 1.501 times in sediment exceeding the background concentration in the Kolo Creek. Hence, poor ecological ethics and culture should be discouraged to keep the Kolo Creek water under check for safe domestic water use.

scholarly journals Analysis of Heavy Metals in Surface Sediments from Agh Gel Wetland, Iran

2016 ◽  
Vol 10 (3) ◽  
pp. 41-46
Author(s):  
Soheil Sobhanardakani ◽  
◽  
Mehrnaz Ghoochian ◽  
Keyword(s):  
Heavy Metals ◽  
Surface Sediments ◽  
Contamination Factor ◽  
Dry Weight ◽  
Pollution Load Index ◽  
Pollution Load ◽  
Chemical Pollutants ◽  
Accumulation Index ◽  
The Mean ◽  
Geo Accumulation Index

Background: Soil and sediment serve as major reservoir for contaminants as they possess ability to bind various chemicals together. In this study the concentrations of heavy metals Cd, Cr and Cu were analyzed in surface sediments of Agh Gel Wetland in west of Iran. Methods: The sediment samples were taken from 10 stations. The samples were subjected to bulk digestion and chemical partitioning and Cd, Cr and Cu concentrations of the sediments were determined by ICP-OES. Geo-accumulation index (I-geo), Contamination factor (CF) and Pollution load index (PLI) were used to evaluate the magnitude of contaminants in the sediment profile. Results: The mean sediment concentrations (mg kg-1 dry weight) ranged within 0.20-0.29 (Cd), 58-71 (Cr) and 23-36 (Cu). According to the I-geo values, the sediments' qualities are classified as unpolluted to moderately polluted category. According to the CF values, the sediments' qualities are classified as low to moderate contamination. Furthermore, the PLI values indicated that there were no metal pollution exists for all sampling stations. Conclusion: The Agh Gel Wetland is potential to be threatened by chemical pollutants such as agricultural effluent. So to preserve the environment of the Agh Gel Wetland from deterioration, periodically monitoring of the water and sediment qualities is recommended.

scholarly journals Spatial distribution of heavy metals in the topsoil on roundabouts in Zielona Góra, Poland

2015 ◽  
Vol 26 (2) ◽  
pp. 1-8 ◽  
Author(s):  
Jakub Kostecki ◽  
Andrzej Greinert ◽  
Róża Wasylewicz ◽  
Roksana Adam ◽  
Bartłomiej Garbera ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Threshold Values ◽  
Open Spaces ◽  
Air Mass ◽  
Heavy Metal Deposition ◽  
Accumulation Index ◽  
Different Characteristics ◽  
Geo Accumulation Index ◽  
Geo Accumulation

AbstractIn most cases, traffic pollution deposition is linear with regularities in its distribution in transect routes (canyon-type effect). The aim of this study is to identify different characteristics of heavy metal deposition on large roundabouts, which are open spaces atypical in terms of the characteristics of the air mass flow along road lanes. The study was conducted on four large roundabouts in Zielona Góra. The content of the selected elements in the tested soils was: Cd 0.54–1.22 mg·kg−1 d.m., Cu 3.60–29.3 mg·kg−1 d.m., Cr 2.17–4.63 mg·kg−1 d.m., Zn 26.6–89.9 mg·kg−1 d.m., Pb 10.9–75.4 mg·kg−1 d.m. The geo-accumulation index was also calculated. The threshold values for communication areas were not exceeded, and the content of the elements was generally comparable between the roundabouts. However, we found some differences within particular roundabouts.

scholarly journals Assessment of pollution and sources of heavy metals in the sediments of the Shitalakhya river, Bangladesh

2020 ◽  
Vol 8 (1) ◽  
pp. 89 ◽  
Author(s):  
Kalimur Rahman ◽  
Saurav Barua ◽  
Fahim Ahammad ◽  
Md. Akramul Alam
Keyword(s):  
Heavy Metals ◽  
Ecological Risk ◽  
Risk Index ◽  
River Sediments ◽  
Water Source ◽  
Potential Ecological Risk ◽  
Sources Of Pollution ◽  
Accumulation Index ◽  
Geo Accumulation Index ◽  
Geo Accumulation

The Shitalakya River, located near Dhaka City of Bangladesh, supplies water to the city dwellers and hence it is essential to determine pollu-tion condition, ecological risk and sources of heavy metals in the river sediments. Sediment works as the sink and source of heavy metals in the riverine ecosystem. The samples collected from the ten sites of the Shitalakhya River were investigated in the study. Average concentra-tion of different heavy metals in the sediments are Cu>Zn>Ni>Pb>Cr>Cd. Geo-accumulation index reveals moderately pollute Cu concen-tration, unpolluted to moderately pollute Ni concentration and unpolluted for the rest of the heavy metals. The order of geo-accumulation index are Cu>Ni>Pb>Cd>Zn>Cr. Overall, the heavy metals render low potential ecological risk and the order of potential ecological risk index are Cd>Cu>Ni>Pb>Cr>Zn. Though the concentration of Cd is low in sediment, it poses higher ecological risk. Positive matrix factor-ization (PMF) identifies two sources of pollution, S1 and S2. Where, S1 consists with Cu, Ni, Pb, Zn; which come from industrial wastewater. S2 consists with Cr, Cd, Pb, Zn; which originate from natural sources. The outcomes of the study provide as a reference to plan, control and manage heavy metal pollution and protect the water source of the Shitalakhya River.    

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