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Use of various statistical techniques to assess the vertical and lateral change in the groundwater chemistry of Quaternary aquifer in an irrigated highly populated area
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SYSNO ASEP 0544939 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Use of various statistical techniques to assess the vertical and lateral change in the groundwater chemistry of Quaternary aquifer in an irrigated highly populated area Author(s) Salem, Z. E.-S. (EG)
Abdelrahman, K. (SA)
Kováčiková, Světlana (GFU-E) ORCID, RID
Badram, O. M. (EG)Article number 101556 Source Title Journal of King Saud University - Science. - : Elsevier - ISSN 1018-3647
Roč. 33, č. 7 (2021)Number of pages 13 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords Nile Delta ; Quaternary aquifer ; seawater intrusion ; statistical analysis ; cluster analysis ; factor analysis Subject RIV DA - Hydrology ; Limnology OECD category Hydrology Method of publishing Open access Institutional support GFU-E - RVO:67985530 UT WOS 000706785700023 EID SCOPUS 85112786563 DOI 10.1016/j.jksus.2021.101556 Annotation A large Hydrogeochemical data were obtained from the central Nile delta aquifer system where 167 groundwater samples were gathered from three depth zones and analyzed for majors and minors. Different statistical techniques were applied to the analyzed geochemical data. The target of the current investigation is to find the principle factors and processes controlling the variation in the hydrogeochemistry in the three groundwater zones. The physicochemical analysis revealed that concentrations of majors (K, Na, Ca, Mg, HCO3, Cl and SO4) with some traces as NO3, Si, NH4 and Fe decrease from the shallow zone to reach its lowest values in the deep zone because of the surface hydrologic and anthropogenic factors affect the shallow groundwater. The studied groundwater classified into five series, every series has its own hydrochemical type. It is revealed that the shallow groundwater was affected by surface hydrochemical process, soil salinity and water-rock interaction as main sources of groundwater salinity. There are two origins of the deep groundwater, one is fresh flowing from south to north and the other is influenced by the intruded seawater in the northern part of the investigated region. The groundwater of the intermediate zone is a mix between the shallow groundwater and the deep groundwater. Workplace Geophysical Institute Contact Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Year of Publishing 2022 Electronic address https://www.sciencedirect.com/science/article/pii/S1018364721002172
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