Characterization of the soil and rock hosting an aquifer with possible uses for drinking water and irrigation in SE Panama City using Geotechnical, Geophysical and Geochemical parameters

The supply of water to populations is a basic need that has been threatened more frequently in recent years due to climate change, which renders seeking other sources of water essential. The hydrochemistry of the groundwater of the aquifer located in the UTP Tocumen was characterized by previous res...

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Bibliographic Details
Published in:Environmental earth sciences 2022-05, Vol.81 (10), Article 283
Main Authors: González-Valoys, Ana Cristina, Vargas-Lombardo, Miguel, Jiménez-Ballesta, Raimundo, Arrocha, Jonatha, Gutiérrez, Eric, García-Ordiales, Efrén, Cienfuegos, Pablo, García-Navarro, Francisco Jesús, Higueras, Pablo
Format: Article
Language:English
Subjects:
Aquifer models
Aquifers
Biogeosciences
Climate change
Drinking water
Earth and Environmental Science
Earth Sciences
Electrical resistivity
Environmental Science and Engineering
Fractures
Geochemistry
Geology
Groundwater
Hydrochemistry
Hydrology/Water Resources
Infiltration
Irrigation
Irrigation water
Lithology
Original Article
Parameters
Rain
Rain water
Sediment samples
Sedimentary rocks
Soil
Soil permeability
Soils
Surveying
Tectonics
Terrestrial Pollution
Tomography
Transmissivity
Water depth
Water infiltration
Water supply
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Summary:The supply of water to populations is a basic need that has been threatened more frequently in recent years due to climate change, which renders seeking other sources of water essential. The hydrochemistry of the groundwater of the aquifer located in the UTP Tocumen was characterized by previous research to determine its possible use as a source of drinking water and irrigation water. The objective of this study is to characterize the soil and rock hosting the aquifer to acquire more information about them with a view to possibly exploit an alternative source of drinking water. To this end, a 10-m-depth survey was conducted to obtain soil and rock samples from the area, and to characterize geotechnical and geochemical parameters. 2D electrical resistivity tomography was used to create a lithological model of the aquifer and to correlate the data. Soil is residual of the technosol type, considered permeable with a transmissivity level that favors rainwater infiltration, followed by the soil–rock interface, where rock is weathered. It´s followed by a sedimentary rock corresponding to marly siltstones with a certain degree of tectonic fractures that allow water infiltration and its accumulation in the rocks, constituting the aquifer. The 2D electrical resistivity suggests two water accumulations: a superficial and a deep one. There was a good correlation between the aquifer water’s chemistry and the rock geochemistry.
ISSN:1866-6280
1866-6299
DOI:10.1007/s12665-022-10412-x