【摘要】 利用云南中部地区的通海基准地磁台1985~2011年的观测资料,对该地区地磁场长期变化、日变幅的变化特征进行分析研究,进一步认识通海地磁台地磁场各要素的变化规律及特征,研究认为太阳黑子数与该地区地磁场日变化规律有着密切的关系。更多还原

【Abstract】 The long-term variability of geomagnetic field and characteristic of daily variation are analyzed by the observation data in Tonghai geomagnetic observatory which is located in central Yunnan province from 1985 to 2011,this work is significant for further understanding the features of each elements in Tonghai observatory.The results show that there is close relationship between the sunspot number and geomagnetic field rules in this region.更多还原