Formerly, the barometric, solid tide and sea tide coefficients in water level change were usually calculated by means of regression analysis method in the time domain.
计算井水位气压系数、固体潮系数和海潮系数以前主要在时间域内一般用回归分析的方法。
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The advantage of this method is that the lag time of the response of the well level to the tide and barometric pressure can be calculated.