Evaluation of irrigation suitability of groundwater from the semi-arid Oriental Basin in eastern-central Mexico

IF 1.5 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Journal of South American Earth Sciences Pub Date : 2025-07-16 DOI:10.1016/j.jsames.2025.105696

Priyadarsi D. Roy , Sekar Selvam , Oscar Agesandro García-Arriola , José Luis Sánchez-Zavala , Irma Gabriela Vargas-Martínez , Logesh Natarajan

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Abstract

Water from the deficit Libres-Oriental aquifer is used for irrigating agricultural fields in the semi-arid Oriental Basin of eastern-central Mexico. Its chemistry (Ca–Mg–HCO₃) is influenced by ion exchange and silicate weathering of the volcaniclastic lithologies and dissolution of karstic rocks. Multiple approaches such as the US Regional Salinity Laboratory (USSL) categorization, Donnen classification and Wilcox diagram as well as estimation of the irrigation water quality index (IWQI) were used to evaluate its irrigation suitability by collecting samples from different wells within the basin. Water from about 60 % of the sampled wells, showing high and very-high salinity hazards, remained unsuitable in the USSL categorization. It should be avoided for irrigating salt sensitive plant, and soil in the irrigated fields might also need permeability enhancement. Computed IWQI values were mostly congruent, and they demarcated the wells at western and southern parts of the basin as suitable (low restriction) for irrigation.

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墨西哥中东部半干旱东方盆地地下水灌溉适宜性评价

在墨西哥中东部半干旱的东方盆地，来自利布雷斯-东方含水层的水被用来灌溉农田。其化学性质（Ca-Mg-HCO3）受火山碎屑岩性的离子交换和硅酸盐风化作用以及岩溶岩溶蚀作用的影响。采用美国区域盐度实验室（USSL）分类法、Donnen分类法、Wilcox图法以及灌溉水质指数（IWQI）估算等方法，通过采集流域内不同井的样本，对其灌溉适宜性进行评价。大约60%的采样井的水显示出高和非常高的盐度危险，仍然不适合USSL分类。对盐敏感的植物应避免灌水，灌地土壤也可能需要增强渗透性。计算得到的IWQI值基本一致，并将盆地西部和南部的井划分为适合灌溉（低限制）的井。

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来源期刊

Journal of South American Earth Sciences 地学-地球科学综合

CiteScore

3.70

自引率

22.20%

发文量

364

审稿时长

6-12 weeks

期刊介绍： Papers must have a regional appeal and should present work of more than local significance. Research papers dealing with the regional geology of South American cratons and mobile belts, within the following research fields: -Economic geology, metallogenesis and hydrocarbon genesis and reservoirs. -Geophysics, geochemistry, volcanology, igneous and metamorphic petrology. -Tectonics, neo- and seismotectonics and geodynamic modeling. -Geomorphology, geological hazards, environmental geology, climate change in America and Antarctica, and soil research. -Stratigraphy, sedimentology, structure and basin evolution. -Paleontology, paleoecology, paleoclimatology and Quaternary geology. New developments in already established regional projects and new initiatives dealing with the geology of the continent will be summarized and presented on a regular basis. Short notes, discussions, book reviews and conference and workshop reports will also be included when relevant.