论文部分内容阅读
地壳所昌平台站开展地下流体水位观测已有多年,水位变化总体呈逐年缓慢下降趋势,年变动态明显,日变变化稳定,每天变化幅度约1～2 cm。2010年1月底开始出现了连续一段时间的“不寻常”(非正常)变化。水位从上午开始升高,幅度从几厘米到数十厘米,下午或晚些时候水位又基本回落到原来的水平。同井还有一套随体应变观测附带的辅助水位观测仪器,却没有出现类似的异常变化。通过仪器检查校测、在台站周围调查,以及开展对比实验,初步判断这个异常可能是附近十三陵蓄能电厂抽水放水发电引起。
Changping Station in the crust has carried out the observation of the underground fluid water level for many years. The water level change shows a slowly decreasing trend year by year. The annual variation is obvious, and the diurnal variation is stable, varying by about 1 ~ 2 cm every day. The “unusual” (non-normal) changes that have been around for a while since the end of January 2010. The water level starts to rise from the morning, ranging from a few centimeters to tens of centimeters. In the afternoon or later, the water level has basically dropped back to its original level. In the same well, there is a set of auxiliary water level observation instruments attached to the body strain observation, but no similar abnormal changes have occurred. Through instrument checks and surveys, surveys around the stations and conducting comparative experiments, it is initially concluded that this anomaly may be caused by pumping water and electricity from the Shisanling Pumped Storage Power Station nearby.