地球深部物理和动力学过程是当代地球科学的重大前沿研究课题.地磁场起源于地球的外核流体运动,地球磁场的结构与强度变化蕴藏了极其丰富的地球深部过程信息.近年来,随着地震学、地磁学和计算科学的发展,地球 Earth’s deep physics and dynamics process is a major frontier research topic in contemporary geosciences. Earth’s magnetic field originated from the Earth’s outer core fluid movement, the structure and strength of the Earth’s magnetic field changes contain a wealth of deep earth process information.In recent years, with the Seismology, geomagnetic and computational science development, Earth