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Some of my publications

Jose Humberto Andrade Sobral

Original document URL:
<http://urlib.net/ibi/8JMKD3MGP5W/3C9JHHA>


 
 

Contents

1. Journal Article

2. Conference Paper

3. Book Section

4. ePrint
 
 

1. Journal Article (47)

Slightly-deformed clouds of enhanced mesospheric sodium and potassium concentration over the SAMA region: a case study
Santos, A. M.; Yang, G.; Pimenta, A. A.; Andrioli, V. F.; Batista, P. P.; Brum, C. G. M.; Resende, L. C. A.; Chagas, R. A. J.; Batisa, I. S.; Silva, L. A.; Moro, J.; Martins, M. P. P.; Sobral, J. H. A.; Souza, J. R.; Abdu, M. A.; Wang, C.; Li, H.; Liu, Z.
2025 - How to cite? - Restricted access 		 
  

Variability of the equatorial ionization anomaly over the South American sector: Effects of electric field and effective meridional wind
Lomotey, S. O.; Souza, J. R.; Wrasse, C. M.; Takahashi, H.; Silva, D. B.; Figueiredo, C. A. O. B.; Sobral, J. H. A.; Egito, F.; Essien, P.; Ayorinde, T. T.; Bilibio, A. V.; Klutse, N. A. B.
2024 - How to cite? - Restricted access 		 
  

Climatology of atmospheric solar tidal mode effects on ionospheric F2 parameters over the American sector during solar minimum between cycles #23 and #24
Santos, A. M.; Yang, A.; Pimenta, A. A.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Andrioli, V. F.; Batista, P. P.; Abdu, M. A.; Souza, J. R.; Manoharan, P. K.; Wang, C.; Li, H.; Liu, Z.
2024 - How to cite? - Restricted access 		 
  

Ionospheric Variability over the Brazilian Equatorial Region during the Minima Solar Cycles 1996 and 2009: Comparison between Observational Data and the IRI Model
Santos, A. M.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Jesus, R.; Manoharan, P. K.; Terra, P.
2023 - How to cite? 		 
  

Intertropical Convergence Zone as the Possible Source Mechanism for Southward Propagating Medium-Scale Traveling Ionospheric Disturbances over South American Low-Latitude and Equatorial Region
Essien, P.; Figueiredo, C. A. O. B.; Takahashi, H.; Klutse, N. A. B.; Wrasse, C. M.; Afonso, J. M. S.; Quispe, D. P.; Lomotey, S. O.; Ayorinde, T. T.; Sobral, J. H. A.; Eghan, M. J.; Sackey, S. S.; Silva, D. B.; Bilibio, A. V.; Nkrumah, F.; Quagraine, K. A.
2022 - How to cite? 		 
  

Modeling and causative mechanism of OI 630.0 nm nightglow emission over Cachoeira Paulista (22.7oS, 45oW) – Brazil: Seasonal and temporal variability
Haider, S. A.; Thirupathaiah, P.; Batista, I. S.; Abdu, M. A.; Sobral, J. H. A.; Gobbi, D.
2022 - How to cite? - Restricted access 		 
  

Anomalous Responses of the F-2 Layer Over the Brazilian Equatorial Sector During a Counter Electrojet Event: A Case Study
Santos, A. M.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Chen, S. S.; Denardini, C. M.; Jesus, R.; Venkatesh, K.; Nogueira, P. A. B.
2022 - How to cite? 		 
  

Responses of intermediate layers to geomagnetic activity during the 2009 deep solar minimum over the Brazilian low-latitude sector
Santos, A. M.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.
2022 - How to cite? 		 
  

F Region Electric Field Effects on the Intermediate Layer Dynamics During the Evening Prereversal Enhancement at Equatorial Region Over Brazil
Santos, A. M.; Batista, I. S.; Brum, C. G. M.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.
2021 - How to cite? 		 
  

Long-lasting stagnant equatorial plasma bubble event and the related scintillation over the Brazilian region
Sousasantos, J.; Abdu, M. A.; Moraes, A. O.; Vani, B. C.; Silva, R. P.; Sobral, J. H. A.
2021 - How to cite? - Restricted access 		 
  

Some differences in the dynamics of the intermediate descending layers observed during periods of maximum and minimum solar flux
Santos, A. M.; Batista, I. S.; Sobral, J. H. A.; Brum, C. G. M.; Abdu, M. A.; Souza, J. R.
2020 - How to cite? 		 
  

Climatology of intermediate descending layers (or 150 km echoes) over the equatorial and low-latitude regions of Brazil during the deep solar minimum of 2009
Santos, Â. M.; Batista, I. S.; Abdu, M. A.; Sobral, J. H. A.; Souza, J. R.; Brum, C. G. M.
2019 - How to cite? 		 
  

Ionospheric plasma bubble zonal drift derived from total electron content measurements
Silva, R. P.; Souza, J. R.; Sobral, J. H. A.; Denardin, C. M.; Borba, G. L.; Santos, M. A. F.
2019 - How to cite? 		 
  

A numerical study on the 3‐D Aaproach of the equatorial plasma bubble seeded by the prereversal vertical drift
Sousasantos, J.; Kherani, E. A.; Sobral, J. H. A.; Abdu, M. A.; Moraes, A. O.; Oliveira, C. B. A.
2019 - How to cite? - Restricted access 		 
  

Impact of disturbance electric fields in the evening on prereversal vertical drift and spread F developments in the equatorial ionosphere
Abdu, M. A.; Nogueira, P. A. B.; Santos, A. M.; Souza, J. R.; Batista, I. S.; Sobral, J. H. A.
2018 - How to cite? 		 
  

Climatology of the scintillation onset over southern Brazil
Sousasantos, J.; Moraes, A. O.; Sobral, J. H. A.; Muella, M. T. A. H.; Paula, E. R.; Paolini, R. S.
2018 - How to cite? 		 
  

Relationship between ionospheric plasma bubble occurrence and lightning strikes over the Amazon region
Sousasantos, J.; Sobral, J. H. A.; Kherani, E. A.; Saba, M. M. F.; Campo, D. R.
2018 - How to cite? 		 
  

Equatorial electrojet responses to intense solar flares under geomagnetic disturbance time electric fields
Abdu, M. A.; Nogueira, P. A. B.; Souza, J. R.; Batista, I. S.; Dutra, S. L. G.; Sobral, J. H. A.
2017 - How to cite? 		 
  

Spread F modeling over Brazil
Carrasco, A. J.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.
2017 - How to cite? - Restricted access 		 
  

Unusual behavior of quiet-time zonal and vertical plasma drift velocities over Jicamarca during the recent extended solar minimum of 2008
Santos, Â. M.; Abdu, M. A.; Souza, J. R.; Batista, I. S.; Sobral, J. H. A.
2017 - How to cite? 		 
  

Evidence of prompt penetration electric fields during HILDCAA events
Silva, R. P.; Sobral, J. H. A.; Koga, D.; Souza, J. R.
2017 - How to cite? 		 
  

An alternative possibility to equatorial plasma bubble forecasting through mathematical modeling and Digisonde data
Sousasantos, J.; Kherani, E. A.; Sobral, J. H. A.
2017 - How to cite? - Restricted access 		 
  

An empirical model of ionospheric total electron content (TEC) near the crest of the equatorial ionization anomaly (EIA)
Hajra, R.; Chakraborty, S. K.; Tsurutani, B. T.; DasGupta, A.; Echer, E.; Brum, C. G. M.; Gonzalez Alarcon, W. D.; Sobral, J. H. A.
2016 - How to cite? - Restricted access 		 
  

Effects of the intense geomagnetic storm of September-October 2012 on the equatorial, low- and mid-latitude F region in the American and African sector during the unusual 24th solar cycle
Jesus, R.; Fagundes, P. R.; Coster, A.; Bolaji, O. S.; Sobral, J. H. A.; Batista, I. S.; Abreu, A. J.; Venkatesh, K.; Gende, M.; Abalde, J. R.; Sumod, S. G.
2016 - How to cite? - Restricted access 		 
  

Periodic waves in the lower thermosphere observed by OI630 nm airglow images
Paulino, I.; Medeiros, A. F.; Vadas, S. L.; Wrasse, C. M.; Takahashi, H.; Buriti, R. A.; Leite, D.; Filgueira, S.; Bageston, J. V.; Sobral, J. H. A.; Gobbi, D.
2016 - How to cite? 		 
  

Storm time equatorial plasma bubble zonal drift reversal due to disturbance Hall electric field over the Brazilian region
Santos, A. M.; Abdu, M. A.; Souza, J. R.; Sobral, J. H. A.; Batista, I. S.; Denardini, C. M.
2016 - How to cite? 		 
  

Disturbance zonal and vertical plasma drifts in the Peruvian sector during solar minimum phases
Santos, A. M.; Abdu, M. A.; Souza, J. R.; Sobral, J. H. A.; Batista, I. S.
2016 - How to cite? 		 
  

The role of electric fields in sporadic E layer formation over low latitudes under quiet and magnetic storm conditions
Abdu, M. A.; Souza, J. R.; Batista, I. S.; Santos, A. M.; Sobral, J. H. A.; Rastogi, R. G.; Chandra, H.
2014 - How to cite? - Restricted access 		 
  

Sporadic E layer development and disruption at low latitudes by prompt penetration electric fields during magnetic storms
Abdu, M. A.; Souza, J. R.; Batista, I. S.; Fejer, B. G.; Sobral, J. H. A.
2013 - How to cite? 		 
  

E region electric fields at the dip equator and anomalous conductivity effects
Denardini, C. M.; Aveiro, H. C.; Sobral, J. H. A.; Bageston, J. V.; Guizelli, L. M.; Resende, L. C. A.; Moro, J.
2013 - How to cite? - Restricted access 		 
  

Equatorial evening prereversal vertical drift dependence on solar EUV flux and F10.7 index during quiet and disturbed periods over Brazil
Santos, A. M.; Abdu, M. A.; Sobral, J. H. A.; Mascarenhas, M.; Nogueira, P. A. B.
2013 - How to cite? 		 
  

A numerical simulation study of the collisional-interchange instability seeded by the pre-reversal vertical drift
Santos, J. S.; Kherani, E. A.; Sobral, J. H. A.
2013 - How to cite? 		 
  

Equatorial Ionosphere Responses to Two Magnetic Storms of Moderate Intensity from Conjugate Point Observations in Brazil
Abdu, M. A.; Batista, I. S.; Bertoni, F. C. P.; Reinisch, B. W.; Kherani, E. A.; Sobral, J. H. A.
2012 - How to cite? 		 
  

Atypical nighttime spread-F structure observed near the southern crest of the ionospheric equatorial ionization anomaly
Fagundes, P. R.; Bittencourt, J. A.; Abreu, A. J.; Moor, L.; Muella, M. T. A. H.; Sahai, Y.; Abalde, J. R.; Pezzopane, M.; Sobral, J. H. A.; Abdu, M. A.; Pimenta, A. A.; Amorim, D. C. M.
2012 - How to cite? 		 
  

Forward ray-tracing for medium-scale gravity waves observed during the COPEX campaign
Paulino, I.; Takahashi, H.; Vadas, S. L.; Wrasse, C. M.; Sobral, J. H. A.; Medeiros, A. F.; Buriti, R. A.; Gobbi, D.
2012 - How to cite? - Restricted access 		 
  

Spread-F occurrence over Southern Anomaly Crest during Solar Minimum Activity
Cândido, C.; Batista, I. S.; Becker Guedes, F.; Sobral, J. H. A.; Sobral, J. H. A.
2011 - How to cite? 		 
  

Midnight reversal of ionospheric plasma bubble eastward velocity to westward velocity during geomagnetically quiettime: Climatology and its model validation
Sobral, J. H. A.; Castilho, V. M.; Abdu, M. A.; Takahashi, H.; Paulino, I.; Gasparelo, U. A. C.; Arruda, D. C. S.; Mascarenhas, M.; Zamlutti, C. J.; Nardin, C. M. D.; Koga, D.; Medeiros, A. F.; Buriti, R. A.
2011 - How to cite? - Restricted access 		 
  

Equatorial ionosphere bottom-type spread F observed by OI 630.0 nm airglow imaging
Takahashi, H.; Abdu, M. A.; Taylor, M. J.; Pautet, P.-D.; Paula, E.; Kherani, E. A.; Medeiros, A. F.; Wrasse, C. M.; Batista, I. S.; Sobral, J. H. A.; Gobbi, D.; Arruda, D.; Paulino, I.; Vadas, S.; Fritts, D.
2010 - How to cite? 		 
  

Conjugate point equatorial experiment (COPEX) campaign in Brazil: Eletrodynamics hightlights on spread F development conditions and day-to-day variability
Abdu, M. A.; Batista, I. S.; Reinisch, B. W.; Souza, J. R.; Sobral, J. H. A.; Pedersen, T. R.; Medeiros, A. F.; Schuch, N. J.; Paula, E. R.; Groves, K. M.
2009 - How to cite? 		 
  

Solar flux effects on equatorial ionization anomaly and total electron content over Brazil: Observational results versus IRI representations
Abdu, M. A.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Paula, E. R.; Souza, J. R.
2008 - How to cite? - Restricted access 		 
  

Equatorial F region evening vertical drift, and peak height, during southern winter months: A comparison of observational data with the IRI descriptions
Abdu, M. A.; Batista, I. S.; Reinishc, B. W.; Sobral, J. H. A.; Carrasco, A. J.
2006 - How to cite? - Restricted access 		 
  

Planetary wave signatures in the equatorial atmosphere-ionosphere system, and mesosphere- E- and F-region coupling
Abdu, M. A.; Ramkumar, T. K.; Batista, I. S.; Brum, C. G. M.; Takahashi, H.; Reinisch, B. W.; Sobral, J. H. A.
2006 - How to cite? - Restricted access 		 
  

The climatology of ionospheric plasma bubbles and irregularities over Brazil
Chu, F. D.; Liu, J. Y.; Takahashi, H.; Sobral, J. H. A.; Taylor, M. J.; Medeiros, A. R.
2005 - How to cite? 		 
  

VHF radar studies of the equatorial electrojet 3-m irregularities over Sao Luis: day-to-day variabilities under auroral activity and quiet conditions
C, D.; Abdu, M. A.; Sobral, J. H. A.
2004 - How to cite? - Restricted access 		 
  

Plasma bubble zonal velocity variations with solar activity in the Brazilian region
Santos, P. M. T.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Takahashi, H.
2004 - How to cite? 		 
  

Effects of Intense Storms and Substorms on the Equatorial Ionosphere/Thermosphere System in the American Sector from Ground-Based and Satellite Data
Sobral, J. H. A.; Abdu, M. A.; Gonzalez, W. D.; Tsurutani, B. T.; Batista, I. S.; Gonzalez, A. L. C.
1997 - How to cite? 		 
  

Equatorial atmosphere measurements obtained with the sounding rocket grenade experiment
Mendonca, F.; Sobral, J. H. A.; Rai, D. B.
1969 - How to cite? 		 
  


2. Conference Paper (22)

Nocturnal Intermediate Descending Layers over the Brazilian Region during the Spread-F development
Santos, A. M.; Yang, G.; Pimenta, A. A.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Li, H.; Wang, C.; Liu, Z.
2023 - How to cite? 		 
  

Behavior of foF2 and hmF2 parameters over São Luís, a Brazilian equatorial station during the minimum solar cycles 22/23 and 23/24
Santos, A. M.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Jesus, R.
2022 - How to cite? 		 
  

Climatology of the brazilian equatorial ionosphere during the solar minima of 1996 and 2009
Santos, Â. M.; Brum, C. M. G.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.; Jesus, R.
2022 - How to cite? 		 
  

Climatology of intermediate descending layers over the equatorial and low latitude regions of Brazil during a solar minimum period
Santos, A. M.; Batista, I. S.; Abdu, M. A.; Sobral, J. H. A.; Souza, J. R.; Brum, C. G. M.
2021 - How to cite? 		 
  

Response of the Intermediate Layers at Brazilian low latitude to geomagnetic activity during the solar minimum of 2009
Santos, A.; Brum, C. G. M.; Batista, I. S.; Sobral, J. H. A.; Abdu, M. A.; Souza, J. R.
2021 - How to cite? - Restricted access 		 
  

Daytime GNSS signal fading and scintillation associated with solar burst events
Paula, E. R.; Martinon, A. R. F.; Neri, J. A. C. F.; Moraes, A. O.; Cecatto, J. R.; Abdu, M. A.; Sobral, J. H. A.; Cunha Neto, A.; Monico, J. F. G.; Vani, B. C.; Batista, I. S.; Souza, J. R.
2019 - How to cite? 		 
  

Equatorial evening prereversal vertical drift and spread F/ plasma bubble irregularity developments under disturbance time electric fields and winds
Abdu, M. A.; Kherani, E. A.; Nogueira, P.; Valentim, A. M. S.; Souza, J. R.; Batista, I. S.; Sobral, J. H. A.
2018 - How to cite? 		 
  

HILDCAA effects on the ionospheric parameters: latitudinal responses
Silva, R. P.; Denardin, C. M.; Sousasantos, J.; Sobral, J. H. A.; Borba, G. L.; Santos, M. A. F.; Resende, L. C. A.; Moro, J.; Bertollotto, T. O.
2018 - How to cite? 		 
  

Different seeds, different outcomes: the role of the seeding source in the plasma bubble morphology
Sousasantos, J.; Abdu, M. A.; Moraes, A. O.; Kherani, E. A.; Sobral, J. H. A.; Silva, A. L. A.; Silva, R. P.; Salles, L. A.
2018 - How to cite? 		 
  

A numerical study on the Equatorial Plasma Bubble seeded by the pre-reversal vertical drift: A three-dimensional perspective
Sousasantos, J.; Kherani, E. A.; Sobral, J. H. A.; Abdu, M. A.; Moraes, A. O.; Silva, A. L.
2018 - How to cite? 		 
  

Equatorial plasma bubble development and dynamics, and sporadic E layer structuring, under disturbance electric fields
Abdu, M. A.; Santos, A. M.; Souza, J. R.; Batista, I. S.; Sobral, J. H. A.
2017 - How to cite? 		 
  

Temporal and spatial characterization of GPS fading from ionospheric irregularities under low latitude
Paula, E. R.; Moraes, A. O.; Vani, B. C.; Sobral, J. H. A.; Abdu, M. A.; Monico, J. F. G.
2017 - How to cite? 		 
  

Responses of the equatorial electrojet current to intense solar flares under storm time electric fields
Abdu, M. A.; Nogueira, P. A. B.; Souza, J. R.; Batista, I. S.; Sobral, J. H. A.
2016 - How to cite? 		 
  

A ionosfera de baixas latitudes durante período de baixa atividade solar
Cândido, C. M. N.; Batista, I. S.; Becker-Guedes, F.; Klausner, V.; Paula, E. R.; Abdu, M. A.; Sobral, J. H. A.; Gobbi, D.; Abalde, J. R.; Negreti, P. M. S.; Pereira, R.; Santos, S. P. M.; Aquino, M. G. S.; Rodrigues, F.
2016 - How to cite? 		 
  

Uma possível característica morfológica da epbS: a assinatura de ondas de gravidades in situ
Santos, J. S.; Nogueira, P. A. B.; Kherani, E. A.; Sobral, J. H. A.
2016 - How to cite? 		 
  

Precursor F layer wave structure, prereversal vertical drift, and their roles in the Equatorial Spread F irregularity development
Abdu, M. A.; Kherani, E. A.; Souza, J. R.; Batista, I. S.; Macdougall, J.; Paula, E. R.; Sobral, J. H. A.
2014 - How to cite? 		 
  

On post-midnight equatorial F-layer irregularities observed with digisonde and 30 MHZ coherent backscatter radar over São Luís, Brazil
Candido, C. M. N.; Batista, I. S.; Paula, E. R.; Becker-Guedes, F.; Rodrigues, F. S.; Abdu, M. A.; Sobral, J. H. A.
2014 - How to cite? 		 
  

Storm time variability in Equatorial Spread F/Plasma bubble irregularity development
Abdu, M. A.; Batista, I. S.; Sobral, J. H. A.; Santos, A. M.; Nogueira, P. A. B.
2012 - How to cite? 		 
  

Differences between the dependences of equatorial F region evening vertical drift on F10.7 and EUV fluxes over Brazil
Santos, A. M.; Abdu, M. A.; Sobral, J. H. A.; Nogueira, P. A. B.; Candido, C. M. N.
2012 - How to cite? 		 
  

Aeronomy: An International Cooperation For Science Development In South America
Schuch, N. J.; Makita, K.; Clesmesha, R. B.; Raulin, J. P.; Foppiano, A. J.; Macmahon, R. M.; Gianibelli, J. C.; Fagundes, P. R.; Abdu, M. A.; Batista, P. P.; Sobral, J. H. A.; Muralikrishna, P.; Batista, I. S.; Takahashi, H.; Pimenta, A. A.; Correia, E.; Denardini, C. M.; Vargas, F.; Rigozo, N. R.; Rosa, M. B.; Machado, C. S.; Moor, L. P.; Moro, J.; Andrioli, V. F.; Antunes, C. E.; Rampelloto, P. H.; Stekel, T. R. C.; Paulo, C. M.; Girardi, T. J.; Silva Neto, C. P.
2010 - How to cite? 		 
  

Ionospheric climatology over Brazil: Zonal plasma velocities from experimental observations and theoretical validations
Sobral, J. H. A.; Arruda, D. C. A.; Abdu, M. A.; Castilho, V. M.; Pedersen, T. R.; Muella, M. T. A. H.; Mascarenhas, M.; Paula, E. R.; Kintner, P. M.; Kherani, E. A.; Medeiros, A. F.; Buriti, R. A.; Takahashi, H.; Batista, I. S.; Schuch, N. J.; Denardin, C. M.; Zamlutti, C. J.; Pimenta, A. A.; Souza, J. R.
2008 - How to cite? 		 
  

Seasonal and disturbance variability of the East-West EEJ back-scatter power asymmetry in the Brazilian sector near solar maximum
Denardini, C. M.; Abdu, M. A.; Sobral, J. H. A.
2004 - How to cite? 		 
  


3. Book Section (1)

The Dayside ionospheric "Superfountain" (DIS), plasma transport and other consequences
Tsurutani, B. T.; Saito, A.; Verkhoglyadova, O. P.; Mannucci, A. J.; Abdu, M. A.; Araki, T.; Gonzalez-Alarcon, W. D.; Iijima, B. A.; Lakhina, G. S.; McCreadie, H.; Sobral, J. H. A.; Tsuda, T.; Yumoto, K.; Vasyliunas, V. M.
2006 - How to cite? 		 
  


4. ePrint (1)

A conjugate point equatorial experiment (COPEX) campaign in Brazil: Eletrodynamics hightlights on spread F development conditions and day-to-day variability
Abdu, M. A.; Batista, I. S.; Reinisch, B. W.; Souza, J. R.; Sobral, J. H. A.; Pedersen, T. R.; Medeiros, A. F.; Schuch, N. J.; Paula, E. R.; Groves, K. M.
2008 - How to cite? 		 
  

 
 
 
 

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