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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 (45)

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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