太阳黑子、地球自转与华北地区中强震关系研究  

Study on the Relationship between Solar Sunspot,Earth Rotation and Moderate Strong Earthquakes in North China

作　　者：裴东洋 高立新[1] 戴勇[1] 格根[1] 梁沙沙[1] 王磊[1] PEI Dong-yang;GAO Li-xin;DAI Yong;GE gen;LIANG Sha-sha;WANG Lei(The Inner Mongolia Autonomous Region Seismological Bureau,Hohhot,Inner Mongolia 010010,China)

机构地区：[1]内蒙古自治区地震局,内蒙古呼和浩特010010

出　　处：《山西地震》2020年第1期1-4,共4页Earthquake Research in Shanxi

基　　金：内蒙古自治区地震局局长基金(2019YB17)资助。

摘　　要：运用Morlet小波分解方法检验太阳黑子相对数变化的显著周期,并分析太阳黑子数活动的趋势。运用太阳黑子和地球自转数据分析两者对华北地区中强地震的影响。结果显示,太阳黑子相对数变化、地球自转速率变化与华北地区中强地震活动水平存在较好的对应关系。当太阳黑子相对数周期上升段与地球日长数据Demy小波三阶分解的18.6年周期波谷段叠加时,对华北地震活动的影响达到最大,存在触发区域内中强地震发生的可能。The significant period of the variation of the relative number of sunspots is examined by the Morlet wavelet decomposition method,and the trend of the activity of the sunspot number is analyzed in this paper.And then the influence of sunspot and earth rotation data on moderate strong earthquakes in North China is analyzed.The results show that there is a good relationship between the relative number of sunspots and the rotation rate of the earth and the moderate strong seismicity level in North China.When the solar sunspot's relative number period rise segment is superimposed with the 18.6-year periodic wave valley segment of the third order decomposition of the Earth's day-length data Demy wavelet,the influence on the seismic activity in North China is the greatest,and there is the possibility that the moderate-strong earthquake in the trigger region may occur.

关 键 词：太阳黑子 地球自转 小波系数 华北地区 中强地震 

分 类 号：P315.2[天文地球—地震学]