大连地震台地磁Z分量日变化特征初步分析  

Characteristic of daily variation for the geomagnetic Z-component at Dalian Seismic Station

作　　者：郭晓燕[1] 贾丽华[1] 王岩[1] 

机构地区：[1]辽宁省地震局,中国沈阳110034

出　　处：《地震地磁观测与研究》2010年第5期61-64,共4页Seismological and Geomagnetic Observation and Research

摘　　要：利用大连地震台地磁Z分量观测资料,对其日变幅度、低点时间和日变形态的年变化进行分析,由此初步总结地磁Z分量日变化的规律及特征,对识别地磁场异常变化或干扰变化具有一定参考意义。In this paper, using geomagnetic Z-component data in Dalian Seismic Station, we analyzed the amplitude, low-point time and daily shape annual variation. We can summarize some bas- ic characteristics of changes in the geomagnetic Z-component. The results presented in this paper have certain value for reference to recognition interference and abnormal of the geomagnetic field.

关 键 词：Z分量 日变幅 低点时间 日变形态 

分 类 号：P315.721[天文地球—地震学]