Impact of Drought and Groundwater Quality on Agriculture in a Semi-Arid Zone of Mexico
2022
Santacruz de León, Germán | Morán Ramírez, Janete | Ramos Leal, Alfredo
This paper analyzes the behavior of drought in the face of the impact of climate change and groundwater quality and its implications for agricultural production in a semi-arid area of northeastern Mexico. The pluviometric information of two stations from 1961 to 2020 was analyzed, and the Standardized Precipitation Index was applied in the spring–summer period (SPI-6). Twenty-five samples from the Ahualulco aquifer were collected and analyzed, to which quality indices for agricultural use were applied. The results show that in the last 20 years there have been mild to moderate droughts, which have considerably affected rainfed farmers. The area under irrigation is affected by salinity conditions as the water goes from medium to high conductivities and low to medium sodicity, which indicates a medium sodicity risk but an excessive salinity risk.
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