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1980年2月16日日全食期间,在云南瑞丽进行了地磁场的正常与快速两种记录,分析了地磁日变化、小扰动和地磁脉动的变化。结果表明:磁偏角偏东(-0.8′±0.2′),水平强度有微小的变化(-2.9γ±1.6γ);地磁小扰动的幅比减小;这与电离层E层的电子密度的变化相对应。
During the total lunar eclipse on February 16, 1980, two records of normal and rapid geomagnetic field were conducted in Ruili, Yunnan Province. The changes of diurnal variation, small disturbance and geomagnetic pulsation were analyzed. The results show that the declination of the magnetic declination angle is -0.8 ’± 0.2’ eastward with a slight variation of horizontal intensity (-2.9γ ± 1.6γ) Corresponding to the changes.