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Water 2018, 10(5), 586; https://doi.org/10.3390/w10050586

Hydrogeological Properties Estimation from Groundwater Level Natural Fluctuations Analysis as a Low-Cost Tool for the Mexicali Valley Aquifer

1
Departamento de Geofísica Aplicada, Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), 22860 Ensenada, Baja California, Mexico
2
Instituto de Ingeniería, Universidad Autónoma de Baja California, UABC, 21280, Mexicali, Baja California, Mexico
*
Author to whom correspondence should be addressed.
Received: 29 March 2018 / Revised: 20 April 2018 / Accepted: 23 April 2018 / Published: 1 May 2018
(This article belongs to the Section Hydrology)
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Abstract

Data on the hydrologic properties of aquifers are frequently not available or are spatially limited; additionally, their determination through aquifer tests is often logistically complicated and economically expensive. This study aimed to estimate aquifer properties by analyzing the water level response for the effects of barometric pressure and earth tide. Harmonic analysis of the time series of water level and barometric pressure recorded in three boreholes in the Mexicali aquifer provided reasonable values of porosity, specific storage, transmissivity, and compressibility of the rock materials that constitute the alluvial aquifer. The representative values of porosity (14–20%), specific storage (1.74–6.23 × 10−6 m–1), transmissivity (8.57–8.66 × 10−7 m2·s–1), and compressibility (3.90–8.21 × 10−10 Pa–1) were obtained. These values were consistent with the sediment types identified in the proximity of the wells analyzed. The results of this study show that the analysis of water level response to natural phenomena is a low-cost tool that provides reasonable estimates of aquifer properties. This advantage is particularly relevant in the study of aquifers where the available hydrological information is insufficient. View Full-Text
Keywords: hydrological and poroelastic properties; periodic natural groundwater fluctuations; atmospheric pressure loading; solid earth tide; alluvial aquifer hydrological and poroelastic properties; periodic natural groundwater fluctuations; atmospheric pressure loading; solid earth tide; alluvial aquifer
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Fuentes-Arreazola, M.A.; Ramírez-Hernández, J.; Vázquez-González, R. Hydrogeological Properties Estimation from Groundwater Level Natural Fluctuations Analysis as a Low-Cost Tool for the Mexicali Valley Aquifer. Water 2018, 10, 586.

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