中文版 | English
Title

Heavy metals speciation in surface sediments of the Cross River Estuary, Gulf of Guinea, South East Nigeria

Author
Corresponding AuthorDan,Solomon Felix
Publication Years
2022-12-01
DOI
Source Title
ISSN
0025-326X
EISSN
1879-3363
Volume185
Abstract
The speciation of heavy metals (Ni, Cr, Cu, Zn, Pb, and Cd) was studied in surface sediments of the Cross River Estuary (CRE), Gulf of Guinea, South East Nigeria. Pb (~56 %), Cd (~71 %), Zn (~67 %), and Cr (~76 %) were mainly available in non-residual phases, suggesting potential bioavailability. High contents of Ni and Cu in residual phase indicated immobilization of these metals in aluminosilicate minerals. Cd was the most polluted heavy metal with the highest bioavailability risk. Bayesian Network model results revealed that sedimentary organic carbon (OC) from terrestrial C plants controlled the contents and variability of Pb and Zn, while the input of terrestrial soil OC strongly influenced Cu and Ni. However, Cd and Cr were dominantly influenced by sediment pH, while Ni was mainly influenced by sediment salinity. Strong interdependency between Cd and total nitrogen (TN) suggested that nitrogen might increase Cd bioavailability upon release from sediments.
Keywords
URL[Source Record]
Language
English
SUSTech Authorship
Others
Funding Project
Natural Science Foundation of Guangxi Province[2018GXNSFDA281025];Natural Science Foundation of Guangxi Province[2021GXNSFDA075004];National Natural Science Foundation of China[42266001];Beibu Gulf University[DRC006];Beibu Gulf University[TRB002];
ESI Research Field
ENVIRONMENT/ECOLOGY
Scopus EID
2-s2.0-85140233692
Data Source
Scopus
Citation statistics
Cited Times [WOS]:2
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/406884
DepartmentSchool of Environmental Science and Engineering
Affiliation
1.Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf,Beibu Gulf University,Qinzhou,535011,China
2.State Key Laboratory of Marine Geology,Tongji University,Shanghai,200092,China
3.School of Civil and Environmental Engineering,Queensland University of Technology,Brisbane,GPO Box 2434,4001,Australia
4.School of Environmental Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
5.State Key Laboratory of Environmental Criteria and Risk Assessment,Chinese Research Academy of Environmental Sciences,Beijing,100012,China
Recommended Citation
GB/T 7714
Dan,Solomon Felix,Udoh,Enobong Charles,Zhou,Jiaodi,et al. Heavy metals speciation in surface sediments of the Cross River Estuary, Gulf of Guinea, South East Nigeria[J]. MARINE POLLUTION BULLETIN,2022,185.
APA
Dan,Solomon Felix.,Udoh,Enobong Charles.,Zhou,Jiaodi.,Wijesiri,Buddhi.,Ding,Shuai.,...&Wang,Qianqian.(2022).Heavy metals speciation in surface sediments of the Cross River Estuary, Gulf of Guinea, South East Nigeria.MARINE POLLUTION BULLETIN,185.
MLA
Dan,Solomon Felix,et al."Heavy metals speciation in surface sediments of the Cross River Estuary, Gulf of Guinea, South East Nigeria".MARINE POLLUTION BULLETIN 185(2022).
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