The development of the latest global geomagnetic field models
The geomagnetic field models are mainly used to describe the distribution characteristics of the global geomagnetic field,and they are widely used in civil navigation,resources exploration,earthquake and volcano warning and many others.The development of a new generation of global geomagnetic field models is introduced in details in this paper,and the distribution map of calculated values of some models is provided.Meanwhile,the calculation principles of the related geomagnetic field element values and annual variability under different field source conditions are summarized.
geomagnetic field modelgeomagnetic mapgeomagnetic elements