Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.3390/w13020129 |
Coastal Aquifer Salinization in Semi-Arid Regions: The Case of Grombalia (Tunisia) | |
Kammoun, Siwar; Trabelsi, Rim; Re, Viviana; Zouari, Kamel | |
通讯作者 | Kammoun, S (corresponding author), Natl Sch Engineers Sfax, Lab Radioanal & Environm, BP1173, Sfax 3038, Tunisia. |
来源期刊 | WATER |
EISSN | 2073-4441 |
出版年 | 2021 |
卷号 | 13期号:2 |
英文摘要 | Groundwater resources are facing increasing pressure especially in semi-arid regions where they often represent the main freshwater resource to sustain human needs. Several aquifers in the Mediterranean basin suffer from salinization and quality degradation. This study provides an assessment of Grombalia coastal aquifer (Tunisia) based on multidisciplinary approach that combines chemical and isotopic (delta H-2, delta O-18, H-3, C-14 and delta C-13) methods to characterize the relation between groundwater quality variation and aquifer recharge. The results indicate that total dissolved solids exceed 1000 mg/L in the most of samples excepting the recharge area. In addition to water-rock interaction, evaporation and nitrate pollution contributing to groundwater mineralization, the reverse cation exchange process constitute an important mechanism controlling groundwater mineralization with enhancing risk of saltwater intrusion. Environmental isotope tracers reveal that groundwater is evolving within an open system to close system. A significant component of recent water that is recharging Grombalia aquifer system is confirmed by applying correction models based on the delta C-13 values and C-14 activities and tritium contents. However, this recharge, which is mainly associated to the return flow of irrigation water, contributes to the groundwater salinization, especially for the shallow aquifer. |
英文关键词 | groundwater mineralization water– rock interactions cation exchange process isotopes aquifer recharge |
类型 | Article |
语种 | 英语 |
开放获取类型 | gold |
收录类别 | SCI-E |
WOS记录号 | WOS:000611742700001 |
WOS类目 | Environmental Sciences ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Water Resources |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/348270 |
作者单位 | [Kammoun, Siwar; Trabelsi, Rim; Re, Viviana; Zouari, Kamel] Natl Sch Engineers Sfax, Lab Radioanal & Environm, BP1173, Sfax 3038, Tunisia; [Re, Viviana] Ca Foscari Univ Venice, Dept Mol Sci & Nanosyst, Via Torino 155, I-30170 Venice, Italy; [Re, Viviana] Univ Pisa, Earth Sci Dept, Via Santa Maria 53, I-56126 Pisa, Italy |
推荐引用方式 GB/T 7714 | Kammoun, Siwar,Trabelsi, Rim,Re, Viviana,et al. Coastal Aquifer Salinization in Semi-Arid Regions: The Case of Grombalia (Tunisia)[J],2021,13(2). |
APA | Kammoun, Siwar,Trabelsi, Rim,Re, Viviana,&Zouari, Kamel.(2021).Coastal Aquifer Salinization in Semi-Arid Regions: The Case of Grombalia (Tunisia).WATER,13(2). |
MLA | Kammoun, Siwar,et al."Coastal Aquifer Salinization in Semi-Arid Regions: The Case of Grombalia (Tunisia)".WATER 13.2(2021). |
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