Volume 8, Issue 1, February 2019, Page: 1-9
Well Water Level Analysis Based on Barometric Pressure Effects and Earth Tides
Fenghe Ding, Earthquake Administration of Ningxia Hui Autonomous Region, Yinchuan, China
Heqing Ma, Earthquake Administration of Ningxia Hui Autonomous Region, Yinchuan, China
Guofu Luo, Earthquake Administration of Ningxia Hui Autonomous Region, Yinchuan, China
Xianwei Zeng, Earthquake Administration of Ningxia Hui Autonomous Region, Yinchuan, China
Received: Nov. 1, 2018;       Accepted: Nov. 20, 2018;       Published: Jan. 24, 2019
DOI: 10.11648/j.earth.20190801.11      View  155      Downloads  53
Abstract
Barometric pressure coefficient and tidal factor are used to study the porosity, the solid skeleton volume compressibility coefficient and the water volume compressibility coefficient of the Dahuichang well, Banqiao well, Huanghua well, Dadianzi well, Fengzhen well and Sanhaodi well in the northern region of North China under undrained condition. The results show that there is power function relation between the porosity and the volume compressibility coefficient(the solid skeleton and the water)in the aquifer. In the first quadrant, the solid skeleton volume compressibility coefficient of each well increases with the increase of the porosity, the volume compressibility coefficient of the water decreases with the increase of porosity. Between the volume compressibility coefficient of the solid skeleton and the water exist unary quadratic polynomial relationship, and the volume compressibility coefficient of water is larger than that of solid skeleton, the water is easier to compress. In addition, according to the step barometric pressure response function in the regression deconvolution method, the groundwater type identifying results of the six wells aquifer system are shown that there is an e based exponential function between the lag time and the step barometric pressure response function of each well water level to barometric pressure. The coefficient before the base e is positive or negative to determine the groundwater type of the well aquifer system. For confined wells, the step barometric pressure response function increases with lag time of well water level to barometric pressure, while the unconfined wells and semi-confined wells are opposite.
Keywords
Well Aquifer System, Undrained Condition, Barometric Pressure Coefficient, Tidal Factor, Groundwater Type
To cite this article
Fenghe Ding, Heqing Ma, Guofu Luo, Xianwei Zeng, Well Water Level Analysis Based on Barometric Pressure Effects and Earth Tides, Earth Sciences. Vol. 8, No. 1, 2019, pp. 1-9. doi: 10.11648/j.earth.20190801.11
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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