干旱区生态环境知识资源中心(Arid): Evolution of groundwater hydrogeochemistry and assessment of groundwater quality in the Anayari catchment

Arid

DOI	10.1016/j.gsd.2020.100489
	Evolution of groundwater hydrogeochemistry and assessment of groundwater quality in the Anayari catchment
	Zakaria, Nafisatu; Anornu, Geophrey; Adomako, Dickson; Owusu-Nimo, Frederick; Gibrilla, Abass
通讯作者	Zakaria, N (corresponding author), Kwame Nkrumah Univ Sci & Technol, Dept Civil Engn, Univ PO, Kumasi, Ghana.
来源期刊	GROUNDWATER FOR SUSTAINABLE DEVELOPMENT
ISSN	2352-801X
出版年	2021
卷号	12
英文摘要	The quality of groundwater in the Lower Anayari Catchment was assessed for its suitability for drinking, domestic and irrigation purposes. The Lower Anayari Catchment lies in a semi-arid region in Ghana and covers an area of about 253 km(2). The area is predominantly an agricultural area and groundwater is the main source of water for domestic and agricultural purposes. Sixty-six groundwater samples were collected from boreholes and hand-dug wells. The samples were analysed for their physico-chemical properties. Calcium (Ca2+) and bicarbonate (HCO3) were the most abundant cation and anion respectively. The major water types in the study area are of Ca-Mg-HCO3 and the mixed Ca-Mg-Cl type. The water chemistry is mainly controlled by reverse ion exchange, dissolution of minerals and evaporation. The quality of groundwater for drinking and domestic use was assessed using the weighted arithmetic water quality index (WQI) approach and the values showed that 94% of the samples were of `good' quality while 6% were of poor quality. The groundwater was generally good for drinking except for some few samples which showed elevated F and NO3- concentrations above the WHO guideline values of 1.5 mg/L and 50 mg/L respectively. The quality of groundwater for irrigation was also assessed and the EC, %Na, SAR and RSC ranged between 240 and 710 mu S/cm, 23.54-38.93, 0.47-1.04 and -1.9 to -0.09 respectively. The groundwater in the area has low sodicity with medium salinization and can generally be used for irrigation without prior treatment. Groundwater quality in the Anayari catchment is influenced by geology with little anthropogenic influence. Hence, proper groundwater management strategies and policies are needed to protect the aquifers.
英文关键词	Groundwater quality Water types Mineral dissolution Anthropogenic activities Anayari catchment
类型	Article
语种	英语
收录类别	ESCI
WOS记录号	WOS:000694847500016
WOS关键词	VOLTA RIVER-BASIN ; HEALTH-RISK ; GEOCHEMISTRY ; GHANA ; IRRIGATION ; MECHANISMS ; DISTRICT ; GENESIS ; FLOW
WOS类目	Engineering, Environmental ; Environmental Sciences ; Water Resources
WOS研究方向	Engineering ; Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/363489
作者单位	[Zakaria, Nafisatu; Anornu, Geophrey; Owusu-Nimo, Frederick] Kwame Nkrumah Univ Sci & Technol, Dept Civil Engn, Univ PO, Kumasi, Ghana; [Zakaria, Nafisatu; Gibrilla, Abass] Ghana Atom Energy Commiss, Natl Nucl Res Inst, POB LG 80, Legon, Accra, Ghana; [Adomako, Dickson] Ghana Atom Energy Commiss, Ghana Space Sci & Technol Inst, POB LG 80, Legon, Accra, Ghana
推荐引用方式 GB/T 7714	Zakaria, Nafisatu,Anornu, Geophrey,Adomako, Dickson,et al. Evolution of groundwater hydrogeochemistry and assessment of groundwater quality in the Anayari catchment[J],2021,12.
APA	Zakaria, Nafisatu,Anornu, Geophrey,Adomako, Dickson,Owusu-Nimo, Frederick,&Gibrilla, Abass.(2021).Evolution of groundwater hydrogeochemistry and assessment of groundwater quality in the Anayari catchment.GROUNDWATER FOR SUSTAINABLE DEVELOPMENT,12.
MLA	Zakaria, Nafisatu,et al."Evolution of groundwater hydrogeochemistry and assessment of groundwater quality in the Anayari catchment".GROUNDWATER FOR SUSTAINABLE DEVELOPMENT 12(2021).