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| DOI | 10.1016/j.envres.2024.118529 |
| Seasonality of hydrogeochemical evolutions and isotopic variabilities (δ18O, δ2H and d-excess) in the surface water as well as groundwater from tropical central-south Mexico | |
| 发表日期 | 2024 |
| ISSN | 0013-9351 |
| EISSN | 1096-0953 |
| 起始页码 | 250 |
| 卷号 | 250 |
| 英文摘要 | Due to adverse impact of the global warming on hydrological resources, we intended to document the hydrogeochemical evolutions of surface and groundwater at tropical central-south Mexico in terms of seasonality of rock-water interaction, precipitation/evaporation variation and moisture source by evaluating the major ion chemistry in Piper and Gibbs plots, Durov diagram and through estimation of the chloro-alkaline indices as well as assessing the stable isotope compositions (delta O-18 and delta H-2) in samples from different seasons of a year. Surface water of the Lake Coatetelco shifted from mostly Ca-Mg-HCO3 facies in wet summer-autumn to Na-HCO3-Cl facies in the dry spring due to elevated Na, Cl and HCO3. Greater evaporation in spring led to a maximum delta O-18 enrichment of ca.7 parts per thousand compared to the other seasons, and much depleted deuterium excess (-40.92 parts per thousand to -39.20 parts per thousand). Interaction of the lake water with subsurface carbonate lithologies, and comparable isotopic compositions reflected the enhanced interaction between the surface water body and aquifers in the wet autumn. Effect of seasonality, however, was unclear on the groundwater facies, and its heterogenous composition (Ca-Mg-HCO3, Na-HCO3-Cl and Na-HCO3) reflected the interactions with different lithologies. Fractionations in isotope compositions of the groundwater were caused from recharge at different elevations, seasonality of moisture sources and moisture recycling. The water-mineral saturation index was an efficient proxy of seasonality as the lake water and groundwater (avg SIcalcite > 0.5) of the dry autumn were saturated with calcite. This vital information about carbonate precipitation, pCO(2) and chemical facies would be useful for the better interpretation of paleoclimate archives in this region. |
| 英文关键词 | Hydro -chemical facies; Lake and groundwater; Stable isotope fractionation; Mineral saturation index; Rock -water interaction; Coatetelco; Mexico |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Public, Environmental & Occupational Health |
| WOS类目 | Environmental Sciences ; Public, Environmental & Occupational Health |
| WOS记录号 | WOS:001195965000001 |
| 来源期刊 | ENVIRONMENTAL RESEARCH
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/302898 |
| 作者单位 | Universidad Nacional Autonoma de Mexico; Universidad Nacional Autonoma de Mexico |
| 推荐引用方式 GB/T 7714 | . Seasonality of hydrogeochemical evolutions and isotopic variabilities (δ18O, δ2H and d-excess) in the surface water as well as groundwater from tropical central-south Mexico[J],2024,250. |
| APA | (2024).Seasonality of hydrogeochemical evolutions and isotopic variabilities (δ18O, δ2H and d-excess) in the surface water as well as groundwater from tropical central-south Mexico.ENVIRONMENTAL RESEARCH,250. |
| MLA | "Seasonality of hydrogeochemical evolutions and isotopic variabilities (δ18O, δ2H and d-excess) in the surface water as well as groundwater from tropical central-south Mexico".ENVIRONMENTAL RESEARCH 250(2024). |
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