干旱区生态环境知识资源中心(Arid): Groundwater resources in the East African Rift Valley: Understanding the geogenic contamination and water quality challenges in Tanzania

Arid

DOI	10.1016/j.sciaf.2021.e00831
	Groundwater resources in the East African Rift Valley: Understanding the geogenic contamination and water quality challenges in Tanzania
	Ligate, Fanuel; Ijumulana, Julian; Ahmad, Arslan; Kimambo, Vivian; Irunde, Regina; Mtamba, Joseph O.; Mtalo, Felix; Bhattacharya, Prosun
通讯作者	Ligate, F ; Ijumulana, J (corresponding author), KTH Royal Inst Technol, Dept Sustainable Dev Environm Sci & Engn, KTH Int Groundwater Arsen Res Grp, Teknikringen 10B, SE-10044 Stockholm, Sweden. ; Ligate, F ; Ijumulana, J (corresponding author), Univ Dar Es Salaam, Coll Engn & Technol, Dept Water Resources Engn, Dar Es Salaam, Tanzania.
来源期刊	SCIENTIFIC AFRICAN
ISSN	2468-2276
出版年	2021
卷号	13
英文摘要	Over the years, groundwater has been used as a means of adaptation to the seasonal and perennial scarcity of surface water. Groundwater provides water for households, livestock, and irrigation in semi-arid areas of Tanzania. It is acknowledged that groundwater is sus-ceptible to chemical and other mineral contamination which not only poses a threat to the health of human beings and livestock but also agriculture. However, the potential of groundwater in terms of its viability and quality has not received adequate scrutiny from scholars. This paper provides a review of water quality and highlights the geogenic con-tamination of groundwater resources in Tanzania. The literature reviewed focused on the water resource sector in the major drainage basins of Tanzania, the information about drinking water quality with respect to geogenic contamination were sought. This paper has established that fluoride is the main and well-known groundwater contaminant. This is attributed to the existence of fluoride-rich minerals such as fluorite (CaF2), fluorapatite (Ca-5(PO4)(3)F), cryolite (Na3AlF6), sellaite (MgF2), villiaumite (NaF), and topaz ((Al-2(SiO4)F-2), bastnaesite ((Ca, La, Nd)CO3F), and their ash deposits peeling from the granite and alka -line volcanic rocks, dominant in the region. The presence of fluoride in water sources in northern Tanzannia, part of the EARV contributes to the serious health effects on humans such as dental, skeletal, and crippling fluorosis. In addition, some literature indicated ar-senic as a serious drinking water geogenic pollutant in the north-west parts of Tanzania. They pointed out that oxidation of arsenopyrite minerals is responsible for the dissolution and release of arsenic into groundwater. From this review we conclude that information on geochemistry/hydro-geochemistry of fluoride and arsenic in the aquifers is far inadequate and recommends that more research and development (R&D) effort s from scholars, researchers, and government institutions should be invested for further investigations and solutions. The focus should be creating awareness about the danger of using arsenic and fluoride contaminated water and development of affordable and environmental friendly water purification technologies. (c) 2021 The Author(s). Published by Elsevier B.V. on behalf of African Institute of Mathematical Sciences / Next Einstein Initiative. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
英文关键词	Aquifer Groundwater quality East African Rift Valley Arsenic Fluoride Tanzania
类型	Article
语种	英语
开放获取类型	gold, Green Published
收录类别	ESCI
WOS记录号	WOS:000706411800037
WOS关键词	CRYSTALLINE BASEMENT AREA ; SUB-SAHARAN AFRICA ; GOLD-MINING AREA ; DENTAL FLUOROSIS ; ETHIOPIAN RIFT ; AQUIFER SYSTEM ; FLUORIDE CONCENTRATIONS ; DRINKING-WATER ; RIVER-BASIN ; RECHARGE
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364648
作者单位	[Ligate, Fanuel; Ijumulana, Julian; Ahmad, Arslan; Kimambo, Vivian; Irunde, Regina; Bhattacharya, Prosun] KTH Royal Inst Technol, Dept Sustainable Dev Environm Sci & Engn, KTH Int Groundwater Arsen Res Grp, Teknikringen 10B, SE-10044 Stockholm, Sweden; [Ligate, Fanuel; Ijumulana, Julian; Kimambo, Vivian; Irunde, Regina; Mtamba, Joseph O.; Mtalo, Felix] Univ Dar Es Salaam, Coll Engn & Technol, Dept Water Resources Engn, Dar Es Salaam, Tanzania; [Ligate, Fanuel] Univ Dar Es Salaam, Mkwawa Coll Educ, Dept Chem, Dar Es Salaam, Tanzania; [Ahmad, Arslan] KWR Watercycle Res Inst, Groningenhaven 7, NL-3433 PE Nieuwegein, Netherlands; [Irunde, Regina] Univ Dar Es Salaam, Coll Nat & Appl Sci, Dept Chem, Dar Es Salaam, Tanzania; [Ahmad, Arslan] Wageningen Univ & Res WUR, Dept Environm Technol, Droevendaalsesteeg 4, NL-6708 PB Wageningen, Netherlands
推荐引用方式 GB/T 7714	Ligate, Fanuel,Ijumulana, Julian,Ahmad, Arslan,et al. Groundwater resources in the East African Rift Valley: Understanding the geogenic contamination and water quality challenges in Tanzania[J],2021,13.
APA	Ligate, Fanuel.,Ijumulana, Julian.,Ahmad, Arslan.,Kimambo, Vivian.,Irunde, Regina.,...&Bhattacharya, Prosun.(2021).Groundwater resources in the East African Rift Valley: Understanding the geogenic contamination and water quality challenges in Tanzania.SCIENTIFIC AFRICAN,13.
MLA	Ligate, Fanuel,et al."Groundwater resources in the East African Rift Valley: Understanding the geogenic contamination and water quality challenges in Tanzania".SCIENTIFIC AFRICAN 13(2021).