NSSC OpenIR
The Influence of Disturbance Dynamo Electric Field in the Formation of Strong SporadicELayers Over Boa Vista, a Low-Latitude Station in the American Sector
Alternative TitleWOS:000556880400018
Resende, L. C. A.; Shi, J. K.; Denardini, C. M.; Batista, I. S.; Nogueira, P. A. B.; Arras, C.; Andrioli, V. F.; Moro, J.; Da Silva, L. A.; Carrasco, A. J.; Barbosa, P. F.; Wang, C.; Liu, Z.
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
2020
Volume125Issue:7Pages:e2019JA027519
DOI10.1029/2019JA027519
ISSN2169-9380
Language英语
KeywordEs layer disturbance dynamo modeling and simulation LATENT-HEAT RELEASE E-LAYER EQUATORIAL IONOSPHERE WINDS VELOCITIES WEATHER SYSTEM TIDES
AbstractThis study analyzes strong sporadicElayer (Es) formation in Boa Vista (BV, 2.8 degrees N, 60.7 degrees W, dip: 18 degrees), a low-latitude region in the Brazilian sector, which occurred far after the onset of a magnetic storm recovery phase. Such occurrences were observed during seven magnetic storms with available data for BV. Thus, the ionospheric behavior on days around the magnetic storm that occurred on 20 January 2016 was investigated to search for possible explanations. This analysis indicated that the probable mechanism acting during the Es layer strengthening is the zonal westward electric field caused by a disturbance dynamo. The same evidence was also observed in two other magnetic storms at the same location. Hence, a numerical model of theEregion dynamics, called MIRE (Portuguese acronym forERegion Ionospheric Model), was used to confirm whether the disturbance dynamo could cause the Es layer intensification. The inputs for the model were the electric field deduced from the vertical drift and the wind components provided by GSWM-00 model. The simulations indicate that the Es layer density is significantly enhanced when the zonal electric field is present compared to the reference scenario with only the winds. Therefore, it is concluded that the disturbance dynamo electric field is the likely cause of the strong Es layers in the analyzed cases. Finally, the combined results from the model and observational data seem to contribute significantly to advance our understanding of the role of the electric fields in the Es layer formation at low latitudes.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7638
Collection中国科学院国家空间科学中心
Affiliation1.[Resende, L. C. A.
2.Shi, J. K.
3.Andrioli, V. F.
4.Moro, J.
5.Da Silva, L. A.
6.Wang, C.
7.Liu, Z.] Chinese Acad Sci, State Key Lab Space Weather, NSSC, Beijing, Peoples R China
8.[Resende, L. C. A.
9.Denardini, C. M.
10.Batista, I. S.
11.Andrioli, V. F.
12.Da Silva, L. A.
13.Barbosa, P. F.] Natl Inst Space Res INPE, Sao Jose Dos Campos, Brazil
14.[Shi, J. K.] Univ Chinese Acad Sci, Natl Space Sci Ctr, Beijing, Peoples R China
15.[Nogueira, P. A. B.] Fed Inst Educ Sci & Technol Sao Paulo IFSP, Jacarei, Brazil
16.[Arras, C.] Helmholtz Ctr Potsdam, German Res Ctr Geosci GFZ, Dept Geodesy & Remote Sensing 1, Potsdam, Germany
17.[Moro, J.] Southern Reg Space Res Ctr CRS COCRE INPE, Santa Maria, RS, Brazil
18.[Carrasco, A. J.] Univ Los Andes, Dept Fis, Merida, Venezuela
19.[Barbosa, P. F.] Salesian Univ, Ctr Sao Paulo, Campus Sao Joaquim, Lorena, Brazil
Recommended Citation
GB/T 7714
Resende, L. C. A.,Shi, J. K.,Denardini, C. M.,et al. The Influence of Disturbance Dynamo Electric Field in the Formation of Strong SporadicELayers Over Boa Vista, a Low-Latitude Station in the American Sector[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2020,125(7):e2019JA027519.
APA Resende, L. C. A..,Shi, J. K..,Denardini, C. M..,Batista, I. S..,Nogueira, P. A. B..,...&Liu, Z..(2020).The Influence of Disturbance Dynamo Electric Field in the Formation of Strong SporadicELayers Over Boa Vista, a Low-Latitude Station in the American Sector.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,125(7),e2019JA027519.
MLA Resende, L. C. A.,et al."The Influence of Disturbance Dynamo Electric Field in the Formation of Strong SporadicELayers Over Boa Vista, a Low-Latitude Station in the American Sector".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 125.7(2020):e2019JA027519.
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