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Ingeniería agrícola y biosistemas
On-line version ISSN 2007-4026Print version ISSN 2007-3925
Abstract
HERNANDEZ-VIVANCO, Lucía et al. Temporal variability of the groundwater level in the Tecamachalco Valley aquifer, Puebla, Mexico, 1997-2016. Ing. agric. biosist. [online]. 2020, vol.12, n.1, pp.3-20. Epub May 23, 2021. ISSN 2007-4026. https://doi.org/10.5154/r.inagbi.2018.09.018.
Introduction:
The groundwater of the Tecamachalco Valley aquifer (TVA) is the main source of supply for productive activities in the area, a condition that has generated its overexploitation.
Objective:
To analyze the temporal variation in the static levels of the TVA from 1997 to 2016 in order to determine the level of groundwater depletion in the aquifer.
Methodology:
Historical data from the monitoring network of the Tecamachalco Groundwater Technical Committee was used, and static levels of 89 wells were recorded. The Mann-Kendall test was applied to the piezometric data and spatial analysis was incorporated with the Kriging interpolation method.
Results:
The water level in the evaluated period showed a downward trend. The static levels of the aquifer showed an average drop of 14 m; therefore, the depletion process is unsustainable if the same trend continues.
Study limitations:
There are no statistics on groundwater extraction; the existing data are inconsistent, so a non-parametric statistical test was chosen to reflect the behavior (depletion and recovery) of the monitored wells.
Originality:
There are few studies on the dynamics of TVA groundwater depletion. The combination of a statistical and a geographical method is a useful tool to show the behavior of water levels.
Conclusions:
The TVA presents a critical situation that conditions the availability and use of groundwater, which directly affects agricultural activity in the area.
Keywords : depletion; use; static level; recovery; soundings.