河北地区地震波Q值与场地响应
Seismological and Geomagnetic Observation and Research(2017)
Abstract
利用2009-2015年河北地震台网记录的1 56条地震波形数据,基于Atkinson方法,计算河北地区非弹性衰减系数随频率的幂函数,求得Q值.采用Moya方法,反演得到144个地震台站的场地响应.将地震台按台基类型分为5类进行分析,结果显示,各类台基地震台场地响应随频率变化特征差异明显.
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Key words
attenuation coefficient,site response,platform type,Q value
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