世界地磁场模型WMM2010与台站年均值对比

常宜峰, 柴洪洲, 明锋, 谢恺

常宜峰, 柴洪洲, 明锋, 谢恺. 世界地磁场模型WMM2010与台站年均值对比[J]. 武汉大学学报 ( 信息科学版), 2014, 39(8): 923-929. DOI: 10.13203/j.whugis20130124
引用本文: 常宜峰, 柴洪洲, 明锋, 谢恺. 世界地磁场模型WMM2010与台站年均值对比[J]. 武汉大学学报 ( 信息科学版), 2014, 39(8): 923-929. DOI: 10.13203/j.whugis20130124
CHANG Yifeng, CHAI Hongzhou, MING Feng, XIE Kai. Compare of WMM2010and IGRF11Model with AnnualMean Value of Geomagnetic Observatories[J]. Geomatics and Information Science of Wuhan University, 2014, 39(8): 923-929. DOI: 10.13203/j.whugis20130124
Citation: CHANG Yifeng, CHAI Hongzhou, MING Feng, XIE Kai. Compare of WMM2010and IGRF11Model with AnnualMean Value of Geomagnetic Observatories[J]. Geomatics and Information Science of Wuhan University, 2014, 39(8): 923-929. DOI: 10.13203/j.whugis20130124

世界地磁场模型WMM2010与台站年均值对比

基金项目: 国家自然科学基金资助项目(41274045)
详细信息
    作者简介:

    常宜峰,博士生,主要从事物理大地测量数据处理及地磁场模型研究。

  • 中图分类号: P228

Compare of WMM2010and IGRF11Model with AnnualMean Value of Geomagnetic Observatories

Funds: The National Natural Science Foundation of China,No.41274045.
More Information
    Author Bio:

    CHANG Yifeng,PhD candidate,specializes in data processing of geodesy and geomagnetic model.

  • 摘要: 目的 研究了由多种卫星磁场观测数据建立的最新的世界地磁场模型WMM2010与地面台站观测值之间的关系,并将常用的国际参考地磁场模型IGRF11作为对比参照。首先分析了IGRF11与台站观测值的对比关系,验证了IGRF模型的精度和可靠性。其次分析了 WMM2010与IGRF11模型的差异,引入绝对误差、均方根误差、相对误差和权重系数等指标来进行评价,分析表明,WMM2010模型在研究地磁异常场时的正常场改正和改善边界效应时填补空白区域中更具参考价值。
    Abstract: Objective The relationship between the observed value and the latest World Magnetic ModelWMM2010,constructed with various satellite geomagnetic data,is studied;as well as the relationshipbetween the observed value and the International Geomagnetic Reference Field model IGRF11.First-928 ly,a comparison is made between IGRF11and the observed value.The precision and reliability of IG-RF was evaluated.Then,the difference between WMM2010and IGRF11 was analyzed.Indexes,such as absolute errors,mean square root errors,relative errors and weigh coefficients,are introducedto compare the two models.The results suggest that the WMM2010model has more reference valuefor the normal field correction in the geomagnetic abnormity field research,thus filling agap to im-prove the boundary effect.
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出版历程
  • 收稿日期:  2013-05-12
  • 修回日期:  2014-08-04
  • 发布日期:  2014-08-04

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