Arid
DOI10.1016/j.envres.2021.111847
Geochemical evolution and seasonality of groundwater recharge at water-scarce southeast margin of the Chihuahuan Desert in Mexico
Roy, Priyadarsi D.; Selvam, Sekar; Gopinath, Selvaraj; Logesh, Natarajan; Sanchez-Zavala, Jose L.; Lakshumanan, Chokkalingam
通讯作者Roy, PD (corresponding author), Univ Nacl Autonoma Mexico, Inst Geol, Ciudad De Mexico 04510, Mexico.
来源期刊ENVIRONMENTAL RESEARCH
ISSN0013-9351
EISSN1096-0953
出版年2022
卷号203
英文摘要Climate models for the 21st century project further reduction in the warm season precipitation and more frequent droughts across Mexico. In the possible scenario of enhanced aridity from global warming, the 818O (-10.6 to -6.3 %o) and 82H (-71.1 to -57.1 %o) compositions and deuterium-excess (0.2-14.6%o) of shallow groundwater from two different basins (Sandia and El Potosi) with similar geological and geomorphological settings were considered to evaluate the influences of early summer rainfall and later summer tropical storms on aquifers at water-scarce southeast margin of the Chihuahuan Desert. Groundwater of the Sandia Basin was recharged mainly from tropical storms. Higher CO2 partial pressure (log pCO2: -2.70 to -1.61) caused more gypsum dissolution (Ca-Mg-SO4 facies) and the effect of irrigation return flow (Ca-Mg-Cl facies) was minor. Even though the El Potosi Basin is in proximity, its groundwater was recharged from both the early and late summer precipitations. The multivariate factor analysis helped to separate the process of rock-water interactions from the recharge seasonality. Gypsum dissolution was less as the partial pressure of CO2 was comparatively lower (log pCO2: -3.01 to -2.15), and the ion exchange along with carbonate mineral dissolutions led to Ca-Mg-HCO3 facies. Over-exploitation under the condition of reduced warm season rainfall would continue to enhance the salinity of groundwater in this region. Hence, the drought mitigation policies should prioritize sustainability of the depleted aquifers and cultivation of salinity resistant crops.
英文关键词Stable isotopes Deuterium excess Geochemistry Shallow aquifer Mineral saturation index Drought prone basin
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000704691500004
WOS关键词PRECIPITATION RECONSTRUCTIONS ; ISOTOPIC COMPOSITION ; TROPICAL CYCLONES ; D-EXCESS ; QUALITY ; BASIN ; RAINFALL ; AREA ; SALINIZATION ; VARIABILITY
WOS类目Environmental Sciences ; Public, Environmental & Occupational Health
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/363149
作者单位[Roy, Priyadarsi D.; Sanchez-Zavala, Jose L.] Univ Nacl Autonoma Mexico, Inst Geol, Ciudad De Mexico 04510, Mexico; [Selvam, Sekar] VO Chidambaram Coll, Dept Geol, Tuticorin 628008, Tamil Nadu, India; [Gopinath, Selvaraj] Univ Nacl Autonoma Mexico, Inst Geofis, Ciudad De Mexico 04510, Mexico; [Logesh, Natarajan; Lakshumanan, Chokkalingam] Bharathidasan Univ, Ctr Disaster Management & Coastal Res, Dept Remote Sensing, Tiruchirappalli 620023, India
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Roy, Priyadarsi D.,Selvam, Sekar,Gopinath, Selvaraj,et al. Geochemical evolution and seasonality of groundwater recharge at water-scarce southeast margin of the Chihuahuan Desert in Mexico[J]. Universidad Nacional Autónoma de México,2022,203.
APA Roy, Priyadarsi D.,Selvam, Sekar,Gopinath, Selvaraj,Logesh, Natarajan,Sanchez-Zavala, Jose L.,&Lakshumanan, Chokkalingam.(2022).Geochemical evolution and seasonality of groundwater recharge at water-scarce southeast margin of the Chihuahuan Desert in Mexico.ENVIRONMENTAL RESEARCH,203.
MLA Roy, Priyadarsi D.,et al."Geochemical evolution and seasonality of groundwater recharge at water-scarce southeast margin of the Chihuahuan Desert in Mexico".ENVIRONMENTAL RESEARCH 203(2022).
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