井水位对固体潮-气压综合作用的响应关系研究

Abstract

Abstract: Based on the physical mechanism of groundwater level responses to atmospheric pressure and tidal force , we use the theory of water coupling with rock in rock mechanics, and establish the response model of the groundwater level to combined atmospheric pressure tidal force. As examples, we take the Qionglai Chuan-22 well and the Nanxi Chuan-12 well and have confirmed the response model through comparison and fitting analysis of the original curve between the groundwater level and tide force and atmospheric pressure. The results show that the response of groundwater level of the two wells to the combined effect of tidal force and atmospheric pressure is better, the changes of groundwater level are caused by the combined effect of tide force and atmospheric pressure. The groundwater level response ability of the Nanxi Chuan-12 well is better, and the groundwater level of the Qionglai Chuan-22 well has more noise, the change of groundwater level is more complex. Further analysis of the groundwater level of the Qionglai Chuan-22 well shows that observation errors can be effectively eliminated by using the interval average value of the groundwater level, the lag effect of the groundwater level on atmospheric pressure response can be neglected in the hourly values.

Key words: Groundwater level, Atmospheric pressure, Tidal force

CLC Number:

P315.7

GONG Hao-bo, LI Guang-ke, Guo Wei-ying, LIAO Xin. Response Relationship of Groundwater Level to Combined Atmospheric Pressure and Tidal Force[J]. EARTHQUAKE, 2016, 36(3): 67-75.

References

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Response Relationship of Groundwater Level to Combined Atmospheric Pressure and Tidal Force

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