Contamination of heavy metals and isotopic tracing of Pb in surface and profile soils in a polluted farmland from a typical karst area in southern China

被引：88

作者：

Kong, Jing ^{[1
,2
]}

Guo, Qingjun ^{[1
,3
]}

Wei, Rongfei ^{[1
,2
]}

Strauss, Harald ^{[4
]}

Zhu, Guangxu ^{[5
]}

Li, Siliang ^{[6
]}

Song, Zhaoliang ^{[6
]}

Chen, Tongbin ^{[1
,3
]}

Song, Bo ^{[7
]}

Zhou, Ting ^{[8
]}

Zheng, Guodi ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China

[4] Westfalische Wilhelms Univ Munster, Inst Geol & Palaontol, Corrensstr 24, D-48149 Munster, Germany

[5] Guiyang Univ, Coll Biol & Environm Engn, Guiyang 550005, Guizhou, Peoples R China

[6] Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China

[7] Guilin Univ Technol, Coll Environm Sci & Engn, Guilin 541006, Peoples R China

[8] Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550081, Guizhou, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2018年 / 637卷

基金：

中国国家自然科学基金;

关键词：

Pb isotopes; Karst region; Heavy metal pollution; Farmland; WESTERN XIAMEN BAY; STABLE-ISOTOPES; HEALTH-RISK; LEAD POLLUTION; WATER-UPTAKE; MINE; ZN; IDENTIFICATION; MOBILITY; REGION;

D O I：

10.1016/j.scitotenv.2018.05.034

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Farmland top soils and soil profiles situated in the karst area of Guilin, Guangxi Zhuang Autonomous Region, southern China, reveal different degrees of heavy metal pollution, both in respect to the lateral as well as the vertical dimension. Pb isotope ratios clearly identify that heavy metal contributions to the soil represent the legacy of former Pb-Znmining and smelting in the area. Depending upon soil properties, differences in the intensity of the vertical penetration of heavy metal pollution are discernible. Top soil coverage by local farmers provides little remediation. Consequently, hazardous conditions for the regional ecology, for agricultural usage and ultimately for human health remain in place. Based on chemical and isotopic results obtained, more effective remediation strategies need to be developed. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：1035 / 1045

页数：11

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