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地电阻率观测各类干扰源的分析与研究
Research on the disturbance source of georesistivity observation
- DOI:
- 作者:
- 张磊1）关华平2） 田山1）庞群英1）马骥1）马君钊1）
- 作者单位:
- 1）中国天津 300201 天津市地震局 2）中国北京 100036 中国地震局地震预测研究所
- 关键词:
- 地震地电阻率观测；干扰源；抑制技术
georesistivity observation, the source of disturbance, suppression technique
- 摘要:
- 地电阻率观测是我国地震前兆监测的重要手段之一，目前已积累了大量的观测资料和强震震例。但随着农村经济的发展和城市现代化轨道交通设施的建设，使得部分地电台站观测环境发生较大变化，导致地电阻率前兆观测资料受到较强的干扰。本文通过对国内现有地电阻率观测资料的分析、干扰源的调研，研究了各类干扰产生的原因及识别方法。并根据已有的研究成果，对地电阻率观测抑制干扰的技术和方法及数据使用与处理提出了相应的建议。
Geo-resistivity observation is one of the most important methods to monitor the precursor abnormal information. We have accumulated a lot of geo-resistivity data and strong earthquake cases in the last forty years. While with the development of rural economics and the construction of modern urban rail transportation, the environment around the station has been influenced that is the primary factor disturbing the georesistivity observation. In this paper the georesistivity data was analyzed and the disturbance source was investigated in order to study the disturbance reason and recognizing method. At last, suggestions were put forward for the geo-resistivity disturbance suppression and data process method.
