磁静日 Z 变幅的月相效应
LUNAR PHASE-EFFECT ON AMPLITUDE VARIATION OF Z COMPONENT ON MAGNETICALLY QUIET DAYS
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摘要: 根据我国三个地磁台10——24年的资料,发现磁静日 Z 变幅的月相效应明显存在,且有一定的规律性.其基本特征是半月周期性.月相效应的变幅可达2——8伽马左右,在研究 Z 变幅的变化时这是不可忽略的.Abstract: Based on the observational data of three geomagnetic observatories during 10 to 24 years in China, it has been revealed that lunar phaseeffect on Z amplitude variation on magnetically quiet days exists with cetain regularity. The basic feature is the half-month periodicity. The amplitude of the lunar phase-effect may reach 2-8 in value. It should not be neglected in studying the amplitude variation of Z component,
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[1] S. chapan, The lunar diurnal magnetic variation and its change, With lunar distance, Phil. trans, Roy. Soc., 215,161,1915.
[2] S. Chapman,地磁学概要(中译本),陈志强译,地质出版社,1958.
[3] S. Chapman, J. Bartels, Geomagnetism, Oxford at clarendon Press,1940.
[4] 陈伯舫,沿海台站间地磁日变形态相位差的半月周期变化,地球物理学报,25,1,45——47,1982.[1] S. chapan, The lunar diurnal magnetic variation and its change, With lunar distance, Phil. trans, Roy. Soc., 215,161,1915.
[2] S. Chapman,地磁学概要(中译本),陈志强译,地质出版社,1958.
[3] S. Chapman, J. Bartels, Geomagnetism, Oxford at clarendon Press,1940.
[4] 陈伯舫,沿海台站间地磁日变形态相位差的半月周期变化,地球物理学报,25,1,45——47,1982.
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