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Quality indices of groundwater for agricultural use in the Soconusco, Chiapas, Mexico
Briseida Lopez Alvarez
Jose Alfredo Ramos_Leal
Janete Morán-Ramírez
Eugenio Eliseo Santacruz De León
Acceso Abierto
Hidrogeología - México
Subterránea, agua - Chiapas
Agua - calidad
"In Soconusco, Chiapas, in spite of the high availability of surface water, it is resorting to the use of groundwater Knowledge about the quality of surface or groundwater used to irrigate crops in that region is low. This paper aims to contribute to the knowledge of the quality of groundwater for agricultural use through the characterization of the spatial variability. Assuming a random spatial distribution of 45 samples which were collected in situ were determined: acidity and alkalinity (pH), electrical conductivity (EC), Total Dissolved Solids (TDS), cations and anions and trace elements; in addition to the agricultural index: Sodium Adsorption Ratio (SAR), Residual Sodium Carbonate (RSC), Soluble Sodium Percentage (SSP), Sodium Percentage (% Na), Kelly Ratio (KR), Magnesium Adsorption Ratio (MAR), Permeability Index (PI), Effective Salinity (ES), Salinity Potential (SP) and Osmotic Potential (OP). In general, SSP, % Na, KR, PI are low, there is only one anomalous point (9) with high values at W of the study area. Similarly, PS, ES, Cl, Na and SAR are low except point 16 and conversely, RSC and pH are high, except at this point located in the center of the study area. The results allow us to infer that the water in that aquifer presents no problems or sodicity toxic ions. In 27 sites sampled values above 250 µmhos/cm were found at 25°C, classified as medium to high risk of salinity, unsuitable for agricultural use. Analysis of the combined effect of the presence of sodium (SAR) and salinity (EC or TDS) shows that 27 of analyzing sites have restricted water medium at very high for use in irrigation".
Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Geociencia
Earth Sciences Research Journal; Vol 21, No 3 (2017)
Público en general
Santacruz, G., Ramos, J. A., Moran, J., Lopez, B., & Santacruz, E. E. (2017). Quality Indices of Groundwater for Agricultural Use in the Soconusco, Chiapas, Mexico. Earth Sciences Research Journal, 21(3), 117 - 127. doi:
Versión publicada
publishedVersion - Versión publicada
Appears in Collections:Artículos PAyS

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