Candidate main-field models for producing the 9th generation IGRF

被引:1
|
作者
Mandea, M [1 ]
机构
[1] Inst Phys Globe, F-75252 Paris 05, France
来源
EARTH PLANETS AND SPACE | 2005年 / 57卷 / 12期
关键词
IGRF; DGRF; modeling; core field; secular variation;
D O I
10.1186/BF03351902
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
This paper presents the various candidate models used in deriving the 9th generation IGRF. Based on notes submitted to the IAGA working group V-MOD with the Gauss coefficients, a brief description of the data used and the method of modelling for each of the candidate models is given. The six candidate models for epoch 1995.0 and the five for epoch 2000.0 are presented. Improvements gained by the new models are also discussed.
引用
收藏
页码:1183 / 1189
页数:7
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