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数字化氡在鲁23井投人观测4年,与模拟水氡观测相比,具有采样率高,数字传输、保存和资料处理快捷方便,人为观测误差少的优点,从而使氡的信息量大大增加,为捕捉地震短临异常信息提供了有利条件。对数字化氡与模拟水氡同期观测资料的对比分析结果表明,二者的变化趋势、方差及均值变化均不一致,数字化氡与模拟水氡观测的物理含义不同,是一种新的测项,尚不能完全替代原有的模拟水氡观测,数字化氡在反映地震短临异常方面优于模拟水氡;气水分离装置(脱气装置)是实现氡数字化观测的重要基础环节,对于获取真实可靠的观测结果具有重要作用.
Compared with the simulation of water radon observation, the digital radon has been observed for 4 years in Lu 23 well and has the advantages of high sampling rate, quick and convenient digital transmission, preservation and data processing and less human observation error, so that the information content of radon is greatly increased , Which provided favorable conditions for capturing short-term and anomalous earthquakes. The comparative analysis of digital radon and simulated radon over the same period shows that the change trend, variance and mean change of the two are inconsistent. The physical meaning of digital radon and simulated radon observation is a new measure, Can not completely replace the original simulated water radon observation. The digital radon is better than the simulated radon in reflecting short-term and short-term anomalies of the earthquakes. The gas-water separation device (degassing device) is an important basic link for digital radon observation. The observation results have an important role.