满洲里地震台地电场观测中的主要干扰因素识别  

Identification of Main Interference Factors in Geoelectric Field Observation at Manzhouli Seismic Station

作　　者：金志辉 王怡 陆颖哲 谭园梦 丁修毅 郭晔 铁桩 JIN Zhihui;WANG Yi;LU Yingzhe;TAN Yuanmeng;DING Xiuyi;GUO Ye;TIE Zhuang(Hailaer Earthquake Monitoring Center Station,Hailar 021000,China;Xilinhot Earthquake Monitoring Center Station,Xilinhot 026000,China)

机构地区：[1]海拉尔地震监测中心站,内蒙古海拉尔021000 [2]锡林浩特地震监测中心站,内蒙古锡林浩特026000

出　　处：《河南科技》2024年第6期111-115,共5页Henan Science and Technology

基　　金：内蒙古自治区地震局局长基金青年课题(2023QN14)。

摘　　要：【目的】依据满洲里地震台2020年以来的地电场观测数据资料,识别出该台地电场所受干扰因素。【方法】通过将该台地电场数据曲线的正常变化形态,与其在不同干扰情况下所产生的各类数据曲线变化形态进行对比分析,同时观察和参考相对变化率、K指数等其他质量参数的变化情况,并结合实地调查。【结果】该台地所电场受干扰因素主要包括:测区附近蔬菜大棚输电线路漏电干扰;公路养护站设备漏电干扰;地电暴干扰等三种主要干扰因素。【结论】相关研究可使该台在地电场的日常数据分析处理上更具准确性和快捷性,可为其他类似条件下的地电场在数据分析处理、异常核实及地电场观测数据在地震监测预报中的应用和相关研究提供参考。[Purposes]Based on the geoelectric field observation data of Manzhouli Seismic Station since 2020,the interference factors of the geoelectric field are identified.[Methods]This paper compares and then analyzes the normal change pattern of the geoelectric field data curve of the station with the change pattern of various data curves generated under different interference conditions,observes and then refers to the changes of other quality parameters such as relative change rate and K index,combining with field investigation.[Findings]The interference factors of the electric field in the platform mainly include:the leakage interference of the vegetable greenhouse transmission line near the survey area;Leakage interference of highway maintenance station equipment;Three main interference factors such as geoelectric storm interference and the corresponding interference characteristics.[Conclusions]Relevant research can make the station more accurate and fast in the daily data analysis and processing of geoelectric field,which can provide reference for data application and scientific research of geoelectric field data analysis and processing,anomaly verification and geoelectric field observation data in seismic monitoring and prediction under other similar conditions.

关 键 词：地电场 干扰因素 识别 

分 类 号：P315.7[天文地球—地震学]