Heavy metals in the surface sediment of the coastal waters along the Shandong peninsula and their pollution evaluation
GUANG Xia
CHU Zhongxin
MIAO Anyang
HUO Suxia
ZHU Longhai
Abstract：In order to understand the concentrations characteristics of heavy metals in surface sediments of the coastal waters along the Shandong peninsula,the concentrations of heavy metals including Hg,Cu,Pb,Cd,Cr,Zn,As in 40 samples were measured by flame spectrophotometry and atomic fluores-cence spectrometric.The index of geoaccumulation(Igeo)and the potential ecological risk index were then employed to evaluate the pollution degree and potential ecological risk of heavy metals in the sedi-ments.The results indicated that the average mass concentration(mg/kg)of Hg,Cu,Pb,Cd,Cr,Zn,Asin the coastal waters along the Shandong peninsula were 0.05,16.51,15.04,0.16,27.69,28.16,5.72,respectively.The pollution level of heavy metals in sediment by Igeo followed the order:Cd＞Cu＞Pb＞Hg＞Zn＞Cr＞As.The Igeo of most area was clean or in low level,except Cd and Cu were in low to medium level.The potential ecological risk of heavy metals in sediments by the potential ecological risk factors(Eri)followed the order:Cd＞Hg＞As＞Pb＞Cu＞Cr＞Zn.The potential ecolog-ical risk of most study area was in the low level,except for 24 stations which was in the medium level.
Keywords：the Shandong peninsulacoastal sedimentsheavy metalpollution evaluation
Publication Date：2024-10-28
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：7( 139-145 )