【摘要】 收集了各国南极洲的地磁资料，并根据他们的地磁资料，哪些考察站的地磁长期变化属于逐年上升；哪些属于逐年下降，统计分类、列表、绘图，最后得出了南极洲地磁长期变化分布规律及变化特征。这对于研究整个地球的地磁长期变化具有一定的参考价值。更多还原

【Abstract】 Geomagnetic data of all observatories in Antarctica are collected here.Some analyses are made,for example,secular variation in which ohs.Is up year by year,and in which down.By statistical classification, tabulation and drawing,the distribution regularity and characters of the secular variation are gotten.That’s valuable for investigation of geomagnetic secular variation in the world.更多还原