Geochemical and isotopic characterization of the thermal waters in the Cuenca Alta Del Rio Laja basin, Guanajuato, Mexico

The thermal waters in the Cuenca Alta del Río Laja basin supply water for agricultural use, human consumption, and spas. The study included 25 groundwater samples from wells in the central part of the basin; 14 of those samples are considered thermal water, as their temperatures are higher than 29ºC...

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Bibliographic Details
Published in:Sustainable water resources management 2024-10, Vol.10 (5), p.161, Article 161
Main Authors: Ramírez-González, Lucía Magali, Puy-Alquiza, María Jesús, Li, Yanmei, Hernández-Anguiano, Jesús Horacio, Miranda-Avilés, Raúl, Prol-Ledesma, Rosa María
Format: Article
Language:English
Subjects:
Aquaculture
Aquifers
Arsenic
Bicarbonates
Development Economics
Earth and Environmental Science
Earth Sciences
Flow system
Fluorides
Food processing
Geochemistry
Geothermal power
Groundwater
Hydrogeology
Hydrology/Water Resources
Original Article
Permeability
Precipitation
Sodium
Sustainable Development
Temperature
Thermal utilization
Thermal water
Thermodynamic properties
Vertical flow
Vertical mixing
Water analysis
Water Policy/Water Governance/Water Management
Water resources management
Water sampling
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Summary:The thermal waters in the Cuenca Alta del Río Laja basin supply water for agricultural use, human consumption, and spas. The study included 25 groundwater samples from wells in the central part of the basin; 14 of those samples are considered thermal water, as their temperatures are higher than 29ºC. The thermal waters are sodium-bicarbonate type with geochemical signatures similar to those of non-thermal waters, showing a regional flow system evolution. Isotopic composition (δ 18 O and δD) of thermal water indicates meteoric origin without a significant δ 18 O enrichment. Cl/B ratios may indicate two thermal aquifers. Vertical flow is mostly caused by pumping, and the permeability seems to be controlled by the regional fault system. Chalcedony and multicomponent geothermometry suggest that at depth, the temperature may reach values between 84 and 126ºC. The estimated temperature allows utilization of the thermal water direct uses that include aquaculture, food processing and fruit, vegetable and grains drying.
ISSN:2363-5037
2363-5045
DOI:10.1007/s40899-024-01139-7