水位降深(drawdown)是抽水时地下水位降低的数值。抽水前的地下水位称“静水位”，抽水时降低的地下水位称“动水位”。水位降深等于静水位与动水位之差。
根据水动力模型的预测，热储水位降深将在近期趋于稳定。
The flow model indicates that the reservoir pressure will reach near steady state condition early in the prediction period.
数值模型运行开始参数灵敏度较小，随着计算水位降深值的增大，其灵敏度值呈增加趋势。
The parameter sensitivity is lesser at the initial stage of model operation, and with the increase of drawdown of the calculated water levels it exhibits an increasing tendency.
介绍了干扰井群工作后基坑的稳定和不稳定水位降深的计算方法，并编制了相应的计算程序。
The method is introduced to calculate the stable and instable water level in the foundation pit after disturbed Wells going into work, and it is programmed.
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