全球地磁场模型研究进展  

The development of the latest global geomagnetic field models

作　　者：赵俊 田源 ZHAO Jun;TIAN Yuan(Key Laboratory of Smart Earth,Beijing 100094,China;Xi’an Division of Surveying and Mapping,Xi’an,Shaanxi 710054,China;State Key Laboratory of Geodesy and Earth’s Dynamics,Wuhan,Hubei 430077,China)

机构地区：[1]智慧地球重点实验室,北京100094 [2]西安测绘总站,陕西西安710054 [3]大地测量与地球动力学国家重点实验室,湖北武汉430077

出　　处：《测绘技术装备》2024年第2期38-43,共6页Geomatics Technology and Equipment

基　　金：大地测量与地球动力学国家重力实验室开放基金项目(SKLGED2022-1-2,SKLGED2024-1-5)。

摘　　要：地磁场模型主要用于描述全球地磁场的分布特征,已广泛应用于民用导航、资源勘探和地震与火山预警等相关领域。本文详细介绍了新一代全球地磁场模型的发展现状,给出了部分模型计算值的分布图,并概述了不同场源条件下相关地磁场元素值及年变率的计算原理。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.

关 键 词：地磁场模型 地磁图 地磁元素 

分 类 号：P22[天文地球—大地测量学与测量工程]