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| DOI | 10.1016/j.enggeo.2024.107425 |
| The transient electromagnetic (TEM) method reveals the role of tectonic faults in seawater intrusion at Zhoushan islands (Hangzhou Bay, China) | |
| 发表日期 | 2024 |
| ISSN | 0013-7952 |
| EISSN | 1872-6917 |
| 起始页码 | 330 |
| 卷号 | 330 |
| 英文摘要 | Seawater intrusion into onshore aquifers represents a significant environmental threat worldwide especially in this new era of climate change and sea water rise. This is the case at the Zhoushan Islands located in Hangzhou Bay (China). Precise monitoring of the position of the boundary between freshwater and saltwater is of utmost importance for water resource management especially in fractured bedrock. We use the Transient ElectroMagnetic (TEM) method to locate a salt plume in an area where two sets of faults-oriented NW-SE and NE-SW are connected to the sea in a rhyolitic substratum. The survey comprises 558 Transient ElectroMagnetic (TEM) soundings. The inverted resistivity data are combined with borehole logging data to underline the areas of groundwater salt concentration in the aquifer. This salinization is taking place along the pervasive fault zones indicating the role of these faults in channeling the salty water through the rhyolitic bedrock. This study underlines the critical role of faults pathways in the groundwater mineralization issues faced by coastal aquifers in fractured crystalline substratum. |
| 英文关键词 | Seawater intrusion; Small loop time domain electromagnetic; Quasi-3D mapping |
| 语种 | 英语 |
| WOS研究方向 | Engineering ; Geology |
| WOS类目 | Engineering, Geological ; Geosciences, Multidisciplinary |
| WOS记录号 | WOS:001178823700001 |
| 来源期刊 | ENGINEERING GEOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/293626 |
| 作者单位 | Ministry of Natural Resources of the People's Republic of China; Second Institute of Oceanography, Ministry of Natural Resources; Shandong University; Centre National de la Recherche Scientifique (CNRS); CNRS - Institute of Ecology & Environment (INEE); Communaute Universite Grenoble Alpes; Universite Grenoble Alpes (UGA); Universite Savoie Mont Blanc |
| 推荐引用方式 GB/T 7714 | . The transient electromagnetic (TEM) method reveals the role of tectonic faults in seawater intrusion at Zhoushan islands (Hangzhou Bay, China)[J],2024,330. |
| APA | (2024).The transient electromagnetic (TEM) method reveals the role of tectonic faults in seawater intrusion at Zhoushan islands (Hangzhou Bay, China).ENGINEERING GEOLOGY,330. |
| MLA | "The transient electromagnetic (TEM) method reveals the role of tectonic faults in seawater intrusion at Zhoushan islands (Hangzhou Bay, China)".ENGINEERING GEOLOGY 330(2024). |
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