The study on Quaternary groundwater resources in Sanmen Bay coastal zone

Zhang Zhizhong; Cao Ke; Lü Shenghua; Zhou Yubo; Yin Ping; Li Ang; Gao Fei

doi:10.12284/hyxb2022151

Volume 44 Issue 12

Jan. 2023

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Zhang Zhizhong，Cao Ke，Lü Shenghua, et al. The study on Quaternary groundwater resources in Sanmen Bay coastal zone[J]. Haiyang Xuebao，2022, 44(12)：109–115 doi: 10.12284/hyxb2022151

Citation:

Zhang Zhizhong，Cao Ke，Lü Shenghua, et al. The study on Quaternary groundwater resources in Sanmen Bay coastal zone[J]. Haiyang Xuebao，2022, 44(12)：109–115 doi: 10.12284/hyxb2022151

Citation:

Zhang Zhizhong，Cao Ke，Lü Shenghua, et al. The study on Quaternary groundwater resources in Sanmen Bay coastal zone[J]. Haiyang Xuebao，2022, 44(12)：109–115 doi: 10.12284/hyxb2022151

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The study on Quaternary groundwater resources in Sanmen Bay coastal zone

doi: 10.12284/hyxb2022151

1.
Qingdao Institute of Marine Geology, Qingdao 266237, China
2.
Laboratory for Marine Mineral Resources, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
3.
Zhejiang Institute of Hydrogeology and Engineering Geology, Ningbo 315012, China

Received Date: 2021-12-22
Rev Recd Date: 2022-05-29

Available Online: 2022-08-10

Publish Date: 2023-01-17

Abstract

Abstract

Quaternary distribution, Quaternary confined aquifer productivity, distribution of freshwater and seawater resources, confined groundwater age and renewability are further studied based on recently completed hydrogeological borehole, engineering pores and AMS ¹⁴C dating combined with previous data. The first confined aquifer productivity in Shepan tideland reclamation area of Sanmen Bay coastal zone is better, most of groundwater is fresh water. As a whole, freshwater resources of confined aquifer at Changjie Town of Ninghai County are distributed by herringbone patterns. Freshwater resources are mainly distributed in first confined aquifer at Dahu-Cheaogang of north Changjie Town, and freshwater resources are mainly distributed in second confined aquifer at Dahu-Xiayangtu of Changjie Town. The Quaternary confined aquifer ages are generally older. The groundwater ages of the first confined aquifer in Shepan tideland reclamation area are 21 642−22 012 cal a BP, the groundwater is not affected by late transgression. The groundwater ages of the second confined aquifer in Xiayangtu tideland reclamation area are of Changjie Town are 35 052−45 439 cal a BP, the groundwater in partial site is affected by late transgression. Under present unexploited conditions the condition of confined groundwater recharge is bad, the renewability of groundwater resources is not good. Therefore, the management of groundwater resources should be strengthened in emergency water source.
- distribution of freshwater and seawater resources,
- groundwater ages,
- renewability,
- Sanmen Bay coastal zone

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