Relationship between chloride concentration and electrical conductivity in groundwater and its estimation from vertical electrical soundings (VESs) in Guasave, Sinaloa, Mexico

Título traducido de la contribución: Relación entre concentración de cloruros y conductividad eléctrica en aguas subterráneas y su estimación a partir de Sondeos Eléctricos Verticales (SEV) en Guasave, Sinaloa, México

Héctor Peinado-Guevara, Carlos Green-Ruíz, Jaime Herrera-Barrientos, Oscar Escolero-Fuentes, Omar Delgado-Rodríguez, Salvador Belmonte-Jiménez, María Ladrón de Guevara

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

30 Citas (Scopus)

Resumen

Soils in arid or semi-arid areas often have salinity problems, so the quality of irrigation water plays an important role in agricultural production. Groundwater quality analysis includes the determination of chloride ions, which are toxic to plants in high concentrations. A total of 1358 groundwater samples were collected and analyzed in the period 1980-2008. Water electrical conductivity [EC] and chloride ion concentration values were related by the linear equation [Cl-] = 4.928 EC (R> 0.94), to estimate the concentration of chloride ions as a function of the electrical conductivity of water in the study area. A geophysical survey was conducted through 34 Vertical Electrical Soundings (VESs) to calculate the water electrical conductivity from the interpretation of the apparent resistivity data. Twenty-nine VESs were used to relate the resistivity of the saturated formation (Ro) with that for the groundwater (Rw) by the linear equation Rw = 0.427 Ro + 1.987. Then, EC was estimated as the inverse of Rw. Finally, the chloride ion concentration was determined by the equation mentioned above. Following the same procedure for the five remaining VESs, which were acquired in places where there are no wells, the chloride ion concentration and the electrical resistivity of the saturated formation (Ro) and groundwater (Rw and its inverse EC) were obtained without requiring a destructive technique.

Título traducido de la contribuciónRelación entre concentración de cloruros y conductividad eléctrica en aguas subterráneas y su estimación a partir de Sondeos Eléctricos Verticales (SEV) en Guasave, Sinaloa, México
Idioma originalInglés
Páginas (desde-hasta)229-239
Número de páginas11
PublicaciónCiencia e Investigacion Agraria
Volumen39
N.º1
DOI
EstadoPublicada - 2012

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