【摘要】 根据乌鲁木齐地磁台有史以来的地磁观测资料，对该地区地磁场的长期变，短期变及其磁暴活动规律进行了总结分析。这对进一步认识乌鲁木齐地磁台地磁场各要素的变化规律及特征，为地震预报提供有实用价值的第一手资料都是十分有意义的。更多还原

【Abstract】 According to the observation data at Urumqi geomagnetic station since the historic times, we sum up and analyse the laws of the geomagnetic secular variation,geomagnetic short period variation and the activity of magnetic storm.This work is significant for further understanding the variation laws and features of every elements of geomagnetic field at Urumqi station and providing useful first hand material for earthquake prediction.更多还原