A comprehensive review on current status, mechanism, and possible sources of arsenic contamination in groundwater: a global perspective with prominence of Pakistan scenario

被引：100

作者：

Ali, Watiar ^{[1
,2
]}

Rasool, Atta ^{[1
,2
]}

Junaid, Muhammad ^{[2
,3
]}

Zhang, Hua ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Guizhou, Peoples R China

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

[3] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Res Ctr Environm & Hlth, Chongqing 400714, Peoples R China

来源：

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH | 2019年 / 41卷 / 02期

基金：

国家重点研发计划;

关键词：

Arsenic; Groundwater; Sources; Mechanisms; Isotope evidence; Comparison; Health effects; HEALTH-RISK ASSESSMENT; HOUSEHOLD SAND FILTER; WESTERN BENGAL BASIN; DRINKING-WATER; PHYSICOCHEMICAL PARAMETERS; UNDERGROUND WATER; SHALLOW AQUIFERS; INNER-MONGOLIA; TRACE-METALS; PUNJAB;

D O I：

10.1007/s10653-018-0169-x

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Arsenic(As)-mediated contamination of groundwater resources in different parts of the world is a consequence of natural or anthropogenic sources, leading to adverse effects on the environment and human health. Millions of people from different countries are unfortunately consuming groundwater contaminated with alarming levels of As. Exposure to the high concentration of As for an extended period of time can cause devastating effects on human health such as skin lesions, cardiac disorders, discolouration and cancer. Until2018, about11 districts of Sindh and Punjab provincesin Pakistan had been found with As contamination in groundwater beyond the national defined permissible level, i.e. 50 mu g/L. Tharparkar and Hyderabad (in Sindh province) along Indus river and Lahore and Kasur (in Punjab province) are well-known hotspots sites of natural geogenic As contamination in groundwater. Higher levels of Sulfates (SO42-), Chloride (Cl-) and Carbonate (CO32-) along with the elevated values of electrical conductivity and basic pH, as well as augmented presence of As V species, were allan indication of oxidizing condition in groundwater, and these oxidizing conditions are identified as the primary mechanism of As contamination into aquifers of Pakistan via oxidative dissolution. The main aim of this review is to summarize and discuss the current contamination status of As in groundwater water globally with a special focus on Pakistan scenario, isotopic evidence to track sources of groundwater recharge and its effects on As contamination in groundwater with various redox conditions prevailing in Pakistan. In addition, public health consequences ofAs contamination andmitigation strategies for As removal from water resources have been also highlighted.In this review, the data were extracted from various cutting edge studies published in national and international journals.

引用

页码：737 / 760

页数：24

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