Assessment of metal contaminants along the Bay of Bengal-Multivariate pollution indices

被引：12
|
作者：
Mookan, Velmurugan Puliankurichi [1 ]
Machakalai, Rajesh Kumar [1 ]
Srinivasan, Sundararajan [1 ]
Sigamani, Sivaraj [2 ,6 ]
Kolandhasamy, Prabhu [3 ]
Gnanamoorthy, Palingamoorthy [4 ]
Moovendhan, Meivelu [2 ]
Srinivasan, Ramachandran [2 ]
Hatamleh, Ashraf Atef [5 ]
AI-Dosary, Munirah Abdullah [5 ]
机构：
[1] Sathyabama Inst Sci & Technol, Ctr Earth & Atmospher Sci, Chennai, India
[2] Sathyabama Inst Sci & Technol, Ctr Ocean Res, Jeppiaar Res Pk,Col Dr Jeppiaar Res Pk, Chennai, India
[3] Bharathidasan Univ, Dept Marine Sci, Trichy, India
[4] Chinese Acad Sci, CAS Key Lab Trop Forest Ecol, Xishuangbanna Trop Bot Garden, Beijing, Peoples R China
[5] King Saud Univ, Coll Sci, Dept Bot & Microbiol, POB 2455, Riyadh 11451, Saudi Arabia
[6] Sathyabama Inst Sci & Technol, Ctr Ocean Res, Chennai 600119, India
来源：
MARINE POLLUTION BULLETIN | 2023年 / 192卷
关键词：
Heavy metals; Contamination; Urbanization; Pollution indices; Palk Bay; HEAVY-METALS; SURFACE SEDIMENTS; ECOLOGICAL RISK; SOUTHEAST COAST; RIVER ESTUARY; EAST-COAST; WATER; FRACTIONS; PROVINCE; WESTERN;
D O I：
10.1016/j.marpolbul.2023.115008
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The spatial concentration of heavy metals (Mn, Ni, Cu, Co, Zn, Cd, and Pb) was studied in coastal areas (n = 9) including water (n = 27) and sediment (n = 27) in the Palk Bay, India to understand the metal pollution due to prevailing natural and anthropogenic activities. Pollution indices like metal index (MI), geoaccumulation index (Igeo), contamination factor (CF), pollution load index (PLI) and potential ecological risk (PER) were calculated based on the background/reference value. The values of MI index indicated that water was free of metals, whereas Igeo, CF, PLI and PER indicated moderate contamination of sediment in monsoon. Cadmium concen-trations were the highest irrespective of the indices (Igeo: 0.04-1.42, Cf: 0.36-0.74, PLI: 0.36-0.74, and PER: 76.89-143.36) indicating moderate pollution. The Principal Component Analysis (PCA) affirmed that Cd was positively correlated with stations indicating anthropogenic sources of Cd contamination.
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页数：10
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