Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Hydrogeological Aquifer Characterization using a Multi-Technique Framework: Application to the Lower Casas Grandes Basin, Chihuahua, Mexico

Version 1 : Received: 30 November 2022 / Approved: 2 December 2022 / Online: 2 December 2022 (10:46:03 CET)

How to cite: Granados-Olivas, A.; Rascon-Mendoza, E.; Gomez-Dominguez, F.J.; Romero-Gameros, C.I.; Robertson, A.J.; Mirchi, A.; Garcia-Vasquez, A.C.; Bravo-Peña, L.C.; Fernald, A.; Hawley, J.W.; Alatorre-Cejudo, L.C.; Samimi, M.; Vazquez-Galvez, F.A.; Pinales-Munguía, A.; Ibañez-Hernandez, O.F.; Heyman, J.M.; Mayer, A.; Hargrove, W. Hydrogeological Aquifer Characterization using a Multi-Technique Framework: Application to the Lower Casas Grandes Basin, Chihuahua, Mexico. Preprints 2022, 2022120050. https://doi.org/10.20944/preprints202212.0050.v1 Granados-Olivas, A.; Rascon-Mendoza, E.; Gomez-Dominguez, F.J.; Romero-Gameros, C.I.; Robertson, A.J.; Mirchi, A.; Garcia-Vasquez, A.C.; Bravo-Peña, L.C.; Fernald, A.; Hawley, J.W.; Alatorre-Cejudo, L.C.; Samimi, M.; Vazquez-Galvez, F.A.; Pinales-Munguía, A.; Ibañez-Hernandez, O.F.; Heyman, J.M.; Mayer, A.; Hargrove, W. Hydrogeological Aquifer Characterization using a Multi-Technique Framework: Application to the Lower Casas Grandes Basin, Chihuahua, Mexico. Preprints 2022, 2022120050. https://doi.org/10.20944/preprints202212.0050.v1

Abstract

Groundwater is a strategic resource for economic development, social justice, environmental sustainability, and water governance. The Lower Casas Grandes Basin located in the state of Chihuahua, Mexico is in a semi-arid region that has increasing groundwater demands while confronting regional challenges such as adverse climate change scenarios and depleting aquifers. Even though there is official information about the availability of groundwater, comprehensive aquifer characterization is still uncertain and needs interdisciplinary investigation using a diverse suite of tools and multiple data sources. This study presents a multi-technique framework to evaluate potential sites to drill for groundwater resources. The main components of the methodology included: wellhead leveling correction with a differential global positioning survey to define piezometric levels, principal component analysis using Landsat-8 images, application of geospatial tools, geophysics using Time Domain Electromagnetic Surveys and Vertical Electric Soundings and structural geohydrology to define aquifer characteristics. Results show that the application of the framework enhances the possibility of successful drilling for groundwater while saving time and money using “pin-point” positioning for drilling sites as compared to a traditional extensive groundwater exploration approach. Low resistivity values (35 Ohm-m) were found at depths from 50m to 85m at sites where the regional static water level reached 245 m deep adding a shallow groundwater potential at sites where the intersection of fracture trace was identified. This procedure can be used at other sites where limited or minimum information is available for groundwater exploration to reduce the risk of drilling dry wells in complex hydrogeological environments.

Keywords

groundwater exploration; fracture trace analysis; geophysics; geomorphology; geospatial tools

Subject

Environmental and Earth Sciences, Waste Management and Disposal

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