Assessment of submarine groundwater discharge in the intertidal zone of Laizhou Bay, China, using electrical resistivity tomography

被引:13
作者
Fu, Tengfei [1 ,2 ]
Zhang, Yufeng [2 ,3 ]
Xu, Xingyong [1 ,2 ]
Su, Qiao [1 ,2 ]
Chen, Guangquan [1 ,2 ]
Guo, Xiujun [2 ,3 ]
机构
[1] Minist Nat Resources Peoples Republ China, Inst Oceanog 1, Key Lab Marine Geol & Mentol, Qingdao 266061, Peoples R China
[2] Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
[3] Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
基金
中国国家自然科学基金;
关键词
Submarine groundwater discharge; The intertidal zone; Electrical resistivity tomography; Laizhou bay; COASTAL-PLAIN AQUIFER; SEAWATER INTRUSION; SALINE WATER; SHALLOW AQUIFER; SALINIZATION; AREA; DELTA; SALTWATER; EVOLUTION; IDENTIFY;
D O I
10.1016/j.ecss.2020.106972
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Coastal zones are the most sensitive and vulnerable ecological environments in the world. Submarine groundwater discharge (SGD) is an important pathway for material transport between land and sea in the low-lying coastal plains of coastal zones. In the present study, electrical resistivity tomography was used to monitor submarine groundwater discharge in the intertidal zone. The salinity change ratio was derived using Archie's law and Manheim's equation, and was used as an index to describe the dynamic discharge process. A model of the seawater circulation process in the multilayer coastal aquifer system was established. The model contains a window area between the upper unconfined and lower confined aquifer, and a highly permeable channel in the upper silt layer. The results of the study provide a theoretical basis and technical support for the rapid assessment of SGD in low-lying coastal plains, and will assist in the management of coastal zone environments.
引用
收藏
页数:11
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