非地震因素引起水氡异常一例

An example of groundwater radon anomaly by non-seismic factors

从分析观测资料入手，合理地剔除与异常时段观测环境条件不同的部分，科学地判定了王１井水氡正常动态和异常界限，并进行现场试验，排除对该异常真实性的各种疑虑，确认了异常的可靠性。在此基础上进一步开展水文地质调查，探讨异常产生的机理。

After analysing the seismological observational data and eliminating reasonably the parts which differ from the data observed under environmental conditions of abnormal time interval,we judged scientifically the normal state and the abnormal limit of radon in Wang No. 4 well of Baodi in Tianjin.In order to eliminate various doubts about truth of the anomaly,some site tests have been made and confirm the reliability.In addition,We've further developed the hydrogeologic survey and research the machanism.