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Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

Opened Access Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico

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Autor: Rentería-Villalobos, Marusia
Covarrubias-Muños, Alejandro
Pinedo-Álvarez, Alfredo
Manjón-Collado, Guillermo
Departamento: Universidad de Sevilla. Departamento de Física Aplicada II
Fecha: 2017
Tipo de documento: Artículo
Resumen: Water in arid and semi-arid environments is characterized by the presentation of complex interactions, where dissolved chemical species in high concentrations have negative effects on the water quality. Radon is present in areas with a high uranium and radium content, and it is the main contributor of the annual effective dose received by humans. The objective of this study was to evaluate concentrations of 222Rn and the water quality of spring waters. Water was classified as calcium sulfated and sodium sulfated. Most of the water samples with high radon concentrations presented higher concentrations of sulfates, fluorides, and total dissolved solids. 222Rn concentrations may be attributed to possible enhancement of 226Ra due to temperature and salinity of water, as well as evaporation rate. In 100% of the sampled spring waters the 222Rn levels exceeded the maximum acceptable limit which is proposed by international institutions. Aridity increases radiological risk related to 222Rn do...
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Tamaño: 2.125Mb
Formato: PDF

URI: http://hdl.handle.net/11441/64301

DOI: 10.3390/geosciences7010012

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