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The influence of tidal winds in the formation of blanketing sporadic e-layer over equatorial Brazilian region
Resende, Laysa Cristina Araujo; Batista, Inez Staciarini; Denardini, Clezio Marcos; Batista, Paulo Prado; Carrasco, Alexander José; Andrioli, Vânia Fátima; Moro, Juliano; Resende, Laysa Cristina Araujo (laysa.resende@inpe.br)
Department空间科学部
Source PublicationJournal of Atmospheric and Solar-Terrestrial Physics
2017
ISSN1364-6826
Language英语
KeywordEquatorial Aeronomy Blanketing Es Layers Es Layers Model Tidal Winds
AbstractThis work analysis the blanketing sporadic layers (Esb) behavior over São Luís, Brazil (2° 31' S, 44° 16' W, dip: -4.80) which is classified as a transition region between equatorial and low-latitude. Hence, some peculiarities can appear as Esboccurrence instead of the common Esq, which is a non-blanketing irregularity layer. The analysis presented here was obtained using a modified version of a theoretical model for the E region (MIRE), which computes the densities of the metallic ions (Fe+and Mg+) and the densities of the main molecular ions (NO+, O2+, N2+) by solving the continuity and momentum equations for each one of them. In that model, the Es layer physics driven by both diurnal and semidiurnal tidal winds are taken into account and it was extended in height coverage by adding a novel neutral wind model derived from the all-sky meteor radar measurements. Thus, we provide more trustworthy results related to the Es layer formation in the equatorial region. We verified the contribution of each tidal wind component to the Esblayer formation in this equatorial region. Additionally, we compared the Es layer electron density computed by MIRE with the data obtained by using the blanketing frequency parameter (fbEs) deduced from ionograms. The results show that the diurnal component of the tidal wind is more important in the Esblayer formation whereas the semidiurnal component has a little contribution in our simulations. Finally, it was verified that the modified MIRE presented here can be used to study the Esblayers occurrence over the equatorial region in the Brazilian sector. © 2017 Elsevier Ltd.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6134
Collection空间科学部
Corresponding AuthorResende, Laysa Cristina Araujo (laysa.resende@inpe.br)
Recommended Citation
GB/T 7714
Resende, Laysa Cristina Araujo,Batista, Inez Staciarini,Denardini, Clezio Marcos,et al. The influence of tidal winds in the formation of blanketing sporadic e-layer over equatorial Brazilian region[J]. Journal of Atmospheric and Solar-Terrestrial Physics,2017.
APA Resende, Laysa Cristina Araujo.,Batista, Inez Staciarini.,Denardini, Clezio Marcos.,Batista, Paulo Prado.,Carrasco, Alexander José.,...&Resende, Laysa Cristina Araujo .(2017).The influence of tidal winds in the formation of blanketing sporadic e-layer over equatorial Brazilian region.Journal of Atmospheric and Solar-Terrestrial Physics.
MLA Resende, Laysa Cristina Araujo,et al."The influence of tidal winds in the formation of blanketing sporadic e-layer over equatorial Brazilian region".Journal of Atmospheric and Solar-Terrestrial Physics (2017).
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