Total and Leachable Heavy Metals in Muddy and Sandy Sediments of Egyptian Coast Along Mediterranean Sea

被引：0
|
作者：
Ahmed Moustafa El Nemr
Amany El Sikaily
Azza Khaled
机构：
[1] National Institute of Oceanography and Fisheries,Environmental Division
来源：
Environmental Monitoring and Assessment | 2007年 / 129卷
关键词：
Mediterranean; Heavy metals; Surficial sediment; Pollution assessment; Leachable; Mud; Sand;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The assessment of marine pollution due to metals was made for surficial sediments sampled from 20 sites along Mediterranean coast of Egypt. The samples were dried, acid digested and analyzed for leachable and total heavy metal contents (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) by flame atomic absorption spectrophotometer (air–acetylene) with deuterium background correction. Evaluation of the heavy metals pollution status was carried out using enrichment factors (EFs), the effect range-low (ERL) and the effect range-median (ERM). The study showed high concentrations of Cd, Co, Pb, Ni and moderate concentrations of Cr, Cu and Mn were contaminated in the sediments of studied sites. The results of Spearman correlation, factor and cluster analysis of the heavy metals analyzed in the collected sediment were discussed. The main source of contamination is the offshore oil field and industrial wastes, which arise due to the ineffective and inefficient operation equipments, illegal discharge and lack of supervision and prosecution of offenders.
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页码：151 / 168
页数：17
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