干旱区生态环境知识资源中心(Arid): Hydrodynamics, Hydrochemistry, and Stable Isotope Geochemistry to Assess Temporal Behavior of Seawater Intrusion in the La Yarada Aquifer in the Vicinity of Atacama Desert, Tacna, Peru

Arid

DOI	10.3390/w13223161
	Hydrodynamics, Hydrochemistry, and Stable Isotope Geochemistry to Assess Temporal Behavior of Seawater Intrusion in the La Yarada Aquifer in the Vicinity of Atacama Desert, Tacna, Peru
	Vera, Alissa; Pino-Vargas, Edwin; Verma, Mahendra P.; Chucuya, Samuel; Chavarri, Eduardo; Canales, Miguel; Torres-Martinez, Juan Antonio; Mora, Abrahan; Mahlknecht, Juergen
通讯作者	Verma, MP (corresponding author), Univ Politecn Nochixtlan Abraham Castellanos, Geociencia, Oaxaca 69600, Oaxaca, Mexico.
来源期刊	WATER
EISSN	2073-4441
出版年	2021
卷号	13 期号:22
英文摘要	The La Yarada aquifer is the primary water resource for municipal, irrigation, and industrial uses in the semi-arid Tacna, Peru. Presently, over-pumping has caused severe groundwater management problems, including the abandonment of saline water wells. This study presents multivariate analysis and chemical-isotopic trends in water to investigate seawater intrusion and hydrogeological processes affecting water quality. The chemical and isotopic analysis of water samples, collected in two campaigns in the dry (August 2020) and wet (November 2020) seasons, together with the 1988 data, were evaluated with a mixing model, cluster, and factor analysis. The hydrochemical and isotopic mixing model suggested the formation of a wedge with 20% seawater intrusion. The heterogeneity of piezometric map isolines corroborates the wedge formation associated with the groundwater movement. The spatial distributions of factors, FA1 and FA2, suggest two processes of seawater front movement: dispersion (diffusion) of chemical elements and different types of water mixing, respectively. At the edge of the La Yarada aquifer, the water head was relatively low, permitting seawater and freshwater mixing. On the other hand, along the sea-land boundary, the water head of the La Yarada aquifer was relatively high, avoiding seawater and freshwater mixing; however, the chemical species were migrating from the seawater to the groundwater due to the diffusion processes. The cluster 4 samples are in the region corresponding to the isotopic mixing process represented by the FA2, while cluster 4 describes the chemical diffusion process represented by the FA2. Thus, the integrated approach is helpful to assess the seawater intrusion mechanisms in coastal aquifers in a semi-arid region.
英文关键词	coastal aquifer seawater intrusion salinization isotopic signature
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000727390500001
WOS关键词	MULTIVARIATE STATISTICAL-ANALYSIS ; SEA-WATER INTRUSION ; COASTAL AQUIFER ; GROUNDWATER ; FRESH
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	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/2XILL650/373715
作者单位	[Vera, Alissa; Pino-Vargas, Edwin] Univ Nacl Jorge Basadre Grohmann, Dept Ingn Civil, Tacna 23000, Peru; [Verma, Mahendra P.] Univ Politecn Nochixtlan Abraham Castellanos, Geociencia, Oaxaca 69600, Oaxaca, Mexico; [Chucuya, Samuel] Univ Nacl Jorge Basadre Grohmann, Dept Geol Geotecnia, Tacna 23000, Peru; [Chavarri, Eduardo; Canales, Miguel] Univ Nacl Agr La Molina, Dept Recursos Hidricos, Lima 15012, Peru; [Torres-Martinez, Juan Antonio; Mahlknecht, Juergen] Tecnol Monterrey, Escuela Ingn & Ciencias, Campus Monterey, Monterrey 64849, Mexico; [Mora, Abrahan] Tecnol Monterrey, Escuela Ingn & Ciencias, Campus Puebla, Puebla 64849, Mexico
推荐引用方式 GB/T 7714	Vera, Alissa,Pino-Vargas, Edwin,Verma, Mahendra P.,et al. Hydrodynamics, Hydrochemistry, and Stable Isotope Geochemistry to Assess Temporal Behavior of Seawater Intrusion in the La Yarada Aquifer in the Vicinity of Atacama Desert, Tacna, Peru[J],2021,13(22).
APA	Vera, Alissa.,Pino-Vargas, Edwin.,Verma, Mahendra P..,Chucuya, Samuel.,Chavarri, Eduardo.,...&Mahlknecht, Juergen.(2021).Hydrodynamics, Hydrochemistry, and Stable Isotope Geochemistry to Assess Temporal Behavior of Seawater Intrusion in the La Yarada Aquifer in the Vicinity of Atacama Desert, Tacna, Peru.WATER,13(22).
MLA	Vera, Alissa,et al."Hydrodynamics, Hydrochemistry, and Stable Isotope Geochemistry to Assess Temporal Behavior of Seawater Intrusion in the La Yarada Aquifer in the Vicinity of Atacama Desert, Tacna, Peru".WATER 13.22(2021).