Research on submarine groundwater dynamics and driving mechanism in the Laizhou Bay

Hou Guohua; Gao Maosheng; Guo Fei; Kong Xianghuai; Zhao Jinming; Qiu Jiandong; Liu Sen; Zheng Yimin

doi:10.3969/j.issn.0253-4193.2016.05.011

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Hou Guohua, Gao Maosheng, Guo Fei, Kong Xianghuai, Zhao Jinming, Qiu Jiandong, Liu Sen, Zheng Yimin. Research on submarine groundwater dynamics and driving mechanism in the Laizhou Bay[J]. Haiyang Xuebao, 2016, 38(5): 124-132. doi: 10.3969/j.issn.0253-4193.2016.05.011

Citation:

Hou Guohua, Gao Maosheng, Guo Fei, Kong Xianghuai, Zhao Jinming, Qiu Jiandong, Liu Sen, Zheng Yimin. Research on submarine groundwater dynamics and driving mechanism in the Laizhou Bay[J]. Haiyang Xuebao, 2016, 38(5): 124-132. doi: 10.3969/j.issn.0253-4193.2016.05.011

Citation:

Hou Guohua, Gao Maosheng, Guo Fei, Kong Xianghuai, Zhao Jinming, Qiu Jiandong, Liu Sen, Zheng Yimin. Research on submarine groundwater dynamics and driving mechanism in the Laizhou Bay[J]. Haiyang Xuebao, 2016, 38(5): 124-132. doi: 10.3969/j.issn.0253-4193.2016.05.011

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Research on submarine groundwater dynamics and driving mechanism in the Laizhou Bay

doi: 10.3969/j.issn.0253-4193.2016.05.011

1.
Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, China Geological Survey, Qingdao Institute of Marine Geology, Qingdao 266071, China;Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China
2.
Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, China Geological Survey, Qingdao Institute of Marine Geology, Qingdao 266071, China;School of Geosciences, China University of Petroleum, Qingdao 266555, China
3.
Exploration Institute of Geology and Mineral Resources, Weifang 261021, China
4.
Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, China Geological Survey, Qingdao Institute of Marine Geology, Qingdao 266071, China

Received Date: 2015-06-08

Abstract

Abstract

Groundwater monitoring combined with mathematical analysis is the main method of groundwater dynamics studies. But there is less monitoring data for submarine groundwater than inland groundwater in the most coastal areas. In this study, sea drillings ZK03, ZK08 were designed to real-time monitor dynamics characteristic of submarine groundwater in multi-layers aquifers and ocean tides. Combined with stratum structure and sedimentary evolution setting, the paper analyzed the dynamic characteristics of submarine groundwater in the Laizhou Bay and revealed the driving mechanism. The results showed that submarine groundwater dynamic appeared to be periodic and stratified in the Laizhou Bay, Holocene aquifer were closely associated with the sea, where the vertical thickness of seawater intrusion interface was about 10 m. Submarine groundwater stratification were roughly consistent with sedimentary strata. Controlled by strata structure and sedimentary environment, the mixing process in different aquifer groundwater or between groundwater and seawater drived by precipitation, groundwater runoff and tide was the main driving mechanism of submarine groundwater dynamic. Then the paper constructed a preliminary submarine groundwater distribution pattern to explore the interaction between groundwater and seawater. The study on the dynamics characteristic of submarine groundwater in the Laizhou Bay play a positive role in analyzing saltwater interface change mechanism and exploring the submarine groundwater discharge.
- Laizhou Bay,
- submarine groundwater,
- dynamic characteristic,
- driving mechanism

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References(29)

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