Integrating hydrochemical and microbial methods to identify hydraulic connections between three saltworks in southern Laizhou Bay, China

Yang, Fan; Jia, Chengzao; Chang, Wenbo; Yang, Haitao; Wang, Cong; Fan, Qinghe

doi:10.1007/s10040-022-02499-0

Cited by 5 publications

(1 citation statement)

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“…Excessive pumping in brine areas will significantly reduce brine salinity [14], especially in the Laizhou Bay area; the sustained supply of seawater, surface water, and fresh groundwater has caused the continuous dilution of brine [15]. The current disordered brine mining pattern is unsustainable, and the mining output of underground brine cannot maintain the long-term demand of the local chemical industry.…”

Section: Introductionmentioning

confidence: 99%

Study on the Variation in Coastal Groundwater Levels under High-Intensity Brine Extraction Conditions

Su,

Yu,

Yang

et al. 2023

Sustainability

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The excessive exploitation of groundwater is becoming a serious global issue. Different from other regions, groundwater extraction in coastal areas usually stops and moves inland after causing seawater intrusion. The abundant salt fields in the Laizhou Bay area of China provide a unique case of maintaining high-intensity underground brine mining even after seawater intrusion. The intensive exploitation of underground brine has led to significant changes in the groundwater flow field. However, there is still a lack of research on how different factors affect the groundwater level in this mining situation. In this paper, time series analysis methods were used to investigate the impact of brine water extraction, tidal fluctuations, and precipitation on the groundwater level in the Laizhou Bay area. The results indicate that brine extraction is the main factor controlling the changes in groundwater level, with the cessation and resumption of extraction resulting in a 93.4 cm increase and a 122.5 cm decrease, respectively. Different rainfall patterns can also lead to an increase in groundwater levels, especially when a heavy rainfall event can cause a 61.2 cm increase. Tidal fluctuations can cause periodic fluctuations in the groundwater level, with a variation amplitude of approximately 11% of the tide itself.

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Section: Introductionmentioning

confidence: 99%