Metal elements in the bottom sediments of the Changjiang Estuary and its adjacent continental shelf of the East China Sea

被引：48

作者：

Cao, Lu ^{[1
,2
]}

Hong, Gi Hoon ^{[3
]}

Liu, Sumei ^{[1
]}

机构：

[1] Ocean Univ China, Minist Educ, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China

[2] Shandong Acad Sci, Inst Oceanog Instrumentat, Shandong Prov Key Lab Ocean Environm Monitoring T, Qingdao 266001, Peoples R China

[3] Korea Inst Ocean Sci & Technol, Ansan 426744, South Korea

来源：

MARINE POLLUTION BULLETIN | 2015年 / 95卷 / 01期

关键词：

Metal elements; Bottom sediments; Changjiang Estuary; East China Sea; Ecological risk; HEAVY-METALS; YANGTZE-RIVER; SURFACE SEDIMENTS; MARINE-SEDIMENTS; POLLUTION ASSESSMENT; CONTAMINATION; ENRICHMENT; FEATURES; REACHES; IMPACT;

D O I：

10.1016/j.marpolbul.2015.03.013

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The metal elements (Al, Fe, Mn, Cr, Co, Ni, Cu, Zn, As, Pb and Ca) in the bottom sediment of the Changjiang Estuary and its adjacent continental shelf of the East China Sea were studied to map their spatial distribution and to-assess their potential risk to the marine biota. These metal concentrations except Ca were generally higher in the inner shelf and northeastern part, and were found to decrease from the coast to the offshore of the Changjiang Estuary. Sedimentary Ca was most abundant in the outer shelf sediments and decreased in inner shelf. Arsenic (As) appeared to be contaminated due to economic development from 1980s in the inner shelf overall, but the potential ecological risk from the selected metals was low in the coastal sea off the Changjiang. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：458 / 468

页数：11

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