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Hydrogeochemical and ecological risk assessments of trace elements in the coastal surface water of the southern Caspian Sea by Mohammad Javad Nematollahi; Behnam Keshavarzi; Farid Moore; Hassan Nasrollahzadeh Saravi; Mohammad Mahmudur Rahman is a Environmental Science article available to read on EtoBox.
What is Hydrogeochemical and ecological risk assessments of trace elements in the coastal surface water of the southern Caspian Sea about?
spectrometry and ion chromatography to determine concentrations of TEs and major ions, respectively. Mean concentrations (μg/l) of TEs in the water followed the order: Al (154.3) > Fe (73.6) > Zn (67.8) > Mn (29.9) > Cu (5.7) > Mo (3.7) > Cd (2.8) > Se (2.3) > V (1.9) > Co = As (1.8) > Sb (1.2) > Pb (0.6). TEs displayed high variations within samples, reflecting many sources that control their concentrations in the coastal water. Most TEs displayed elevated concentrations in the east and west of the study area. The Na-Cl water type in the majority of investigated sites indicates excess alkaline elements and strong acid anions relative to alkaline earth cations and weak acid anions. Considering the saturation states of minerals, carbonate and evaporite minerals are oversaturated and unsaturated in surface water, respectively. Compositional interrelations between aqueous species showed that reverse cation exchange may have occurred. The Abstract This study investigates the occurrence, distribution, and potential ecological risk of trace elements (TEs) along with the hydrogeochemical characteristics of coastal surface water collected from the southern Caspian coasts in the Mazandaran
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It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Mohammad Javad Nematollahi; Behnam Keshavarzi; Farid Moore; Hassan Nasrollahzadeh Saravi; Mohammad Mahmudur Rahman
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Environmental Science (Physical Sciences)