Motions of the equatorial ionization anomaly crests imaged by FORMOSAT‐3/COSMIC

C. H. Lin, J. Y. Liu, T. W. Fang, P. Y. Chang, H. F. Tsai, C. H. Chen, C. C. Hsiao

doi:10.1029/2007gl030741

Motions of the equatorial ionization anomaly crests imaged by FORMOSAT‐3/COSMIC

DOI Web Site Web Site 被引用文献7件

C. H. Lin

Science Research Division National Space Organization Hsinchu Taiwan
J. Y. Liu

Institute of Space Science National Central University Jhongli Taiwan
T. W. Fang

Institute of Space Science National Central University Jhongli Taiwan
P. Y. Chang

Institute of Space Science National Central University Jhongli Taiwan
H. F. Tsai

Central Weather Bureau Taipei Taiwan
C. H. Chen

Institute of Space Science National Central University Jhongli Taiwan
C. C. Hsiao

Science Research Division National Space Organization Hsinchu Taiwan

書誌事項

公開日: 2007-10

権利情報

http://onlinelibrary.wiley.com/termsAndConditions#vor

DOI

10.1029/2007gl030741

公開者: American Geophysical Union (AGU)

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説明

<jats:p>The equatorial ionization anomaly (EIA) structures and evolutions are imaged using radio occultation observation of the newly launched FORMOSAT‐3/COSMIC (F3/C) satellite constellation. Three‐dimensional ionospheric images provide unprecedented detail of the EIA structure globally. This paper presents images of the EIA structures during July–August 2006 and discusses the development and subsidence of the EIA. Clear seasonal asymmetries in both ionospheric electron density and layer height are observed. Two‐dimensional (cross section) maps at a meridian provide dynamic variations and motions of the northern and southern EIA crests. Results suggest that in addition to the asymmetric neutral composition effect, interactions between the summer‐to‐winter (transequatorial) neutral winds and strength of the equatorial plasma fountain effect play important roles in producing asymmetric development of the EIA crests as imaged by the F3/C.</jats:p>