安徽省地电阻率台址电性结构特征参数的初步分析  

Preliminary analysis on electrical structural characteristic parameters of geo-resistivity site in Anhui Province

作　　者：王燚坤[1] 隆爱军[1] 张有林[2] 曹晓星[1] 陈远东[1] 陈海博[1] 陆立[1] 

机构地区：[1]合肥地震台,中国安徽230031 [2]安徽省地震局,中国合肥230031

出　　处：《地震地磁观测与研究》2011年第2期25-30,共6页Seismological and Geomagnetic Observation and Research

基　　金：安徽省地震局2009年科研合同制项目资助(200907)

摘　　要：依据电测深资料,计算研究安徽省合肥、肥东、蒙城3个地电阻率台站的电性结构特征参数:干扰系数α、γ和异常系数β。讨论不同电性结构、不同极距、不同测线下特征参数的变化速率及相互之间的比例关系。研究结果表明,特征参数可以直观反映台址不同极距下的抑制干扰能力和映震能力,并对提升观测效能具有一定的指导意义。Based on relevant electrical sounding data, the electrical structural characteristic parame- ters such as disturbance coefficients（α,γ） and abnormal coefficient（β） are calculated accord- ing to the data of 3 geo-resistivity stations of Hefei, Feidong and Mengcheng. The change rates of characteristic parameters and the proportional relations among them are discussed on different electrical structural, different electrode distance and different measuring direction. The results of correlation research show that the parameters can intuitively represent the capability of restraining disturbance and reflecting earthquake of the stations under different electrode distance. The results are significant for guiding the precursor abnormity judgement.

关 键 词：地电阻率 抑制干扰能力 映震能力 特征参数 

分 类 号：P315.722[天文地球—地震学]