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Analysis of the disturbed electrical fields effects in the sporadic layers on Equatorials and low latitude regions

Grant number: 14/11198-9
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2014
Effective date (End): January 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Principal Investigator:Inez Staciarini Batista
Grantee:Láysa Cristina Araújo Resende Chagas
Home Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brasil). São José dos Campos , SP, Brazil
Associated scholarship(s):17/01332-8 - Validation of MIRE simulation results with the satellite measurements using the radio occultation method, BE.EP.PD

Abstract

The Es layer formation occurs due to windshear mechanisms in which metallic ions converge in a thin layer by the wind action in opposite directions. However, in equatorial regions, this mechanism is not effective due to the magnetic field direction. Thus, the Es layers presence at these regions is related to the plasma instabilities caused by the Eletrocjet Equatorial Current (EEJ). Additionally, recent studies show that the Es layer formation and dynamics can be influenced by the electric fields, mostly by the prompt penetration during the disturbed periods. Nevertheless, the quantitative effect of such electric fields on the Es layers is not well established yet. Furthermore, there is not any study about the disturbed electric field influence during the day period at the E region, which includes the heights of Es layer occurrence. Therefore, the main contribution of this work will be to provide a quantitative study of the real effect of these disturbed electric fields on the Es layers at the equatorial and low latitude regions over the day. These electric fields can be caused by prompt penetration, which is associated to the onset of a magnetic storm, or by persistent electric fields that last several hours and emerge due to disturbance dynamo. Thus, to study such effect, it is necessary to develop a careful analysis using observational data provided by the high frequency radar, the Digisonde, for the equatorial regions, such as Jicamarca (11,57°S, 76,52°O, I: -2°) and São Luís (2°S, 44° O, I: -2,3°), and for low latitude regions, such as Fortaleza (3,9°S, 38,45°O, I: -9°) and Cachoeira Paulista (22,42°S, 45°O, I: -15°). Finally, it is proposed to improve the Modelo Ionosfério da Região E (MIRE) to add the capability to properly simulate the Es layers dynamic during the disturbed periods including the effects of the aforementioned electric fields.

Scientific publications (13)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ROMERO-HERNANDEZ, E.; DENARDINI, C. M.; TAKAHASHI, H.; GONZALEZ-ESPARZA, J. A.; NOGUEIRA, P. A. B.; DE PADUA, M. B.; LOTTE, R. G.; NEGRETI, P. M. S.; JONAH, O. F.; RESENDE, L. C. A.; RODRIGUEZ-MARTINEZ, M.; SERGEEVA, M. A.; BARBOSA NETO, P. F.; DE LA LUZ, V; GALERA MONICO, J. F.; AGUILAR-RODRIGUEZ, E. Daytime Ionospheric TEC Weather Study Over Latin America. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 123, n. 12, p. 10345-10357, DEC 2018. Web of Science Citations: 0.
ARAUJO RESENDE, LAYSA CRISTINA; BATISTA, INEZ STACIARINI; DENARDINI, CLEZIO MARCOS; BATISTA, PAULO PRADO; CARRASCO, ALEXANDER JOSE; ANDRIOLI, VANIA FATIMA; MORO, JULIANO. The influence of tidal winds in the formation of blanketing sporadic e-layer over equatorial Brazilian region. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, v. 171, n. SI, p. 64-71, JUN 2018. Web of Science Citations: 1.
RESENDE, LAYSA C. A.; ARRAS, CHRISTINA; BATISTA, INEZ S.; DENARDINI, CLEZIO M.; BERTOLLOTTO, THAINA O.; MORO, JULIANO. Study of sporadic E layers based on GPS radio occultation measurements and digisonde data over the Brazilian region. Annales Geophysicae, v. 36, n. 2, p. 587-593, APR 3 2018. Web of Science Citations: 3.
DENARDINI, C. M.; CHEN, S. S.; RESENDE, L. C. A.; MORO, J.; BILIBIO, A. V.; FAGUNDES, P. R.; GENDE, M. A.; CABRERA, M. A.; BOLZAN, M. J. A.; PADILHA, A. L.; SCHUCH, N. J.; HORMAECHEA, J. L.; ALVES, L. R.; BARBOSA NETO, P. F.; NOGUEIRA, P. A. B.; PICANCO, G. A. S.; BERTOLLOTTO, T. O. The Embrace Magnetometer Network for South America: Network Description and Its Qualification. RADIO SCIENCE, v. 53, n. 3, p. 288-302, MAR 2018. Web of Science Citations: 3.
MORO, J.; RESENDE, L. C. A.; DENARDINI, C. M.; XU, J.; BATISTA, I. S.; ANDRIOLI, V. F.; CARRASCO, A. J.; BATISTA, P. P.; SCHUCH, N. J. Equatorial E Region Electric Fields and Sporadic E Layer Responses to the Recovery Phase of the November 2004 Geomagnetic Storm. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 122, n. 12, p. 12517-12533, DEC 2017. Web of Science Citations: 0.
ARAUJO RESENDE, LAYSA CRISTINA; BATISTA, INEZ STACIARINI; DENARDINI, CLEZIO MARCOS; BATISTA, PAULO PRADO; CARRASCO, ALEXANDER JOSE; ANDRIOLI, VANIA DE FATIMA; MORO, JULIANO. Simulations of blanketing sporadic E-layer over the Brazilian sector driven by tidal winds. JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, v. 154, p. 104-114, FEB 2017. Web of Science Citations: 4.
BATISTA, INEZ S.; CANDIDO, C. M. N.; SOUZA, J. R.; ABDU, M. A.; DE ARAUJO, R. C.; RESENDE, L. C. A.; SANTOS, A. M. F-3 layer development during quiet and disturbed periods as observed at conjugate locations in Brazil: The role of the meridional wind. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 122, n. 2, p. 2361-2373, FEB 2017. Web of Science Citations: 9.
ARAUJO RESENDE, LAYSA CRISTINA; BATISTA, INEZ STACIARINI; DENARDINI, CLEZIO MARCOS; CARRASCO, ALEXANDER JOSE; ANDRIOLI, VANIA DE FATIMA; MORO, JULIANO; BATISTA, PAULO PRADO; CHEN, SONY SU. Competition between winds and electric fields in the formation of blanketing sporadic E layers at equatorial regions. EARTH PLANETS AND SPACE, v. 68, DEC 1 2016. Web of Science Citations: 7.
MORO, J.; DENARDINI, C. M.; RESENDE, L. C. A.; CHEN, S. S.; SCHUCH, N. J. Equatorial E region electric fields at the dip equator: 1. Variabilities in eastern Brazil and Peru. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 121, n. 10, p. 10220-10230, OCT 2016. Web of Science Citations: 3.
MORO, J.; DENARDINI, C. M.; RESENDE, L. C. A.; CHEN, S. S.; SCHUCH, N. J. Equatorial E region electric fields at the dip equator: 2. Seasonal variabilities and effects over Brazil due to the secular variation of the magnetic equator. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 121, n. 10, p. 10231-10239, OCT 2016. Web of Science Citations: 2.
MORO, JULIANO; DENARDINI, CLEZIO MARCOS; ARAUJO RESENDE, LAYSA CRISTINA; CHEN, SONY SU; SCHUCH, NELSON JORGE. Influence of uncertainties of the empirical models for inferring the E-region electric fields at the dip equator. EARTH PLANETS AND SPACE, v. 68, JUN 7 2016. Web of Science Citations: 6.
DENARDINI, CLEZIO MARCOS; ARAUJO RESENDE, LAYSA CRISTINA; MORO, JULIANO; CHEN, SONY SU. Occurrence of the blanketing sporadic E layer during the recovery phase of the October 2003 superstorm. EARTH PLANETS AND SPACE, v. 68, MAY 14 2016. Web of Science Citations: 2.
DENARDINI, C. M.; MORO, J.; RESENDE, L. C. A.; CHEN, S. S.; SCHUCH, N. J.; COSTA, J. E. R. E region electric field dependence of the solar activity. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, v. 120, n. 10, p. 8934-8941, OCT 2015. Web of Science Citations: 6.

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