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Hydrogeochemical characteristics, stable isotopes, positive matrix factorization, source apportionment, and health risk of high fluoride groundwater in semiarid region.
Rashid, Abdur; Ayub, Muhammad; Gao, Xubo; Khattak, Seema Anjum; Ali, Liaqat; Li, Chengcheng; Ahmad, Ajaz; Khan, Sardar; Rinklebe, Jörg; Ahmad, Parvaiz.
Afiliación
  • Rashid A; State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China; National Centre of Excellence in Geology, University of Peshawar, 25130, Pakistan. Electronic address: abdur.rashid@bs.qau.edu.pk.
  • Ayub M; Department of Botany Hazara University, Mansehra PO 21300 Pakistan.
  • Gao X; State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China. Electronic address: xubo.gao.cug@gmail.com.
  • Khattak SA; National Centre of Excellence in Geology, University of Peshawar, 25130, Pakistan.
  • Ali L; National Centre of Excellence in Geology, University of Peshawar, 25130, Pakistan.
  • Li C; State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, Wuhan 430074, PR China.
  • Ahmad A; Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
  • Khan S; Department of Environmental Sciences, University of Peshawar, PO 25120, Pakistan.
  • Rinklebe J; University of Wuppertal, School of Architecture and Civil Engineering, Laboratory of Soil, and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany.
  • Ahmad P; Department of Botany, GDC, Pulwama 192301, Jammu and Kashmir, India.
J Hazard Mater ; 469: 134023, 2024 05 05.
Article en En | MEDLINE | ID: mdl-38492393
ABSTRACT
Chronic exposure to high fluoride (F-) levels in groundwater causes community fluorosis and non-carcinogenic health concerns in local people. This study described occurrence, dental fluorosis, and origin of high F-groundwater using δ2H and δ18O isotopes at semiarid Gilgit, Pakistan. Therefore, groundwater (n = 85) was collected and analyzed for F- concentrations using ion-chromatography. The lowest F- concentration was 0.4 mg/L and the highest 6.8 mg/L. F- enrichment is linked with higher pH, NaHCO3, NaCl, δ18O, Na+, HCO3-, and depleted Ca+2 aquifers. The depleted δ2H and δ18O values indicated precipitation and higher values represented the evaporation effect. Thermodynamic considerations of fluorite minerals showed undersaturation, revealing that other F-bearing minerals viz. biotite and muscovite were essential in F- enrichment in groundwater. Positive matrix factorization (PMF) and principal component analysis multilinear regression (PCAMLR) models were used to determine four-factor solutions for groundwater contamination. The PMF model results were accurate and reliable compared with those of the PCAMLR model, which compiled the overlapping results. Therefore, 28.3% exceeded the WHO permissible limit of 1.5 mg/L F-. Photomicrographs of granite rocks showed enriched F-bearing minerals that trigger F- in groundwater. The community fluorosis index values were recorded at > 0.6, revealing community fluorosis and unsuitability of groundwater for drinking.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Agua Subterránea Límite: Humans Idioma: En Revista: J Hazard Mater Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Agua Subterránea Límite: Humans Idioma: En Revista: J Hazard Mater Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article Pais de publicación: Países Bajos