Distribution and ecological risk assessment of heavy metals in surface sediments along southeast coast of the Caspian Sea
2014
Bastami, Kazem Darvish | Bagheri, Hossein | Kheirabadi, Vahid | Zaferani, Ghasem Ghorbanzadeh | Teymori, Mohammad Bagher | Hamzehpoor, Ali | Soltani, Farzaneh | Haghparast, Sarah | Harami, Sayyed Reza Moussavi | Ghorghani, Nasrin Farzaneh | Ganji, Sahar
The present study aimed to evaluate heavy metal concentrations of Arsenic (As), Copper (Cu), Nickel (Ni), Lead (Pb) and Zinc (Zn), their spatial distribution, enrichment factor index (EF), the pollution load index (PLI) and potential ecological risk (PER) in two different seasons of the year (winter and summer) in surface sediments along southeast coast of the Caspian Sea. The results indicated that there were significant differences between concentrations of As, Ni and Pb in two different seasons. Considering PER, sediments from southeast Caspian coast had low ecological risk. According to PLI, sediment from the southeast coast had no pollution. Risk assessment showed that As threshold concentrations to occasionally be exceeded in the study area.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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