Search Results - "Paula, Eurico R."

MELISSA: System description and spectral features of pre‐ and post‐midnight F‐region echoes by Rodrigues, Fabiano S., Zhan, Weijia, Milla, Marco A., Fejer, Bela G., Paula, Eurico R., Neto, Acacio C., Santos, Angela M., Batista, Inez S.

“…Most of the low‐latitude ionospheric radar observations in South America come from the Jicamarca Radio Observatory, located in the western longitude sector…”
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Solar Flare and Radio Burst Effects on GNSS Signals and the Ionosphere During September 2017 by Paula, Eurico R., Martinon, André R. F., Carrano, Charles, Moraes, Alison O., Neri, José A. C. F., Cecatto, José R., Abdu, Mangalathayil A., Neto, Acácio C., Monico, João F. G., Costa Silva, Weverton, Vani, Bruno C., Batista, Inez S., Mendes, Odim, Souza, Jonas R., Silva, André L. A.

“…Strong solar flare events can occur even during the decay phase of the solar cycle. During these events concurrent increases in the X‐ray and Enhanced UV (EUV)…”
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Ionospheric Disturbances Observed Following the Ridgecrest Earthquake of 4 July 2019 in California, USA by Sanchez, Saul A., Kherani, Esfhan A., Astafyeva, Elvira, de Paula, Eurico R.

“…Earthquakes are known to generate disturbances in the ionosphere. Such disturbances, referred to as co-seismic ionospheric disturbances, or ionoquakes, were…”
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Ionospheric irregularity behavior during the September 6–10, 2017 magnetic storm over Brazilian equatorial–low latitudes by de Paula, Eurico R., de Oliveira, Cesar B. A., Caton, Ronald G., Negreti, Patricia M., Batista, Inez S., Martinon, André R. F., Neto, Acácio C., Abdu, Mangalathayil A., Monico, João F. G., Sousasantos, Jonas, Moraes, Alison O.

“…The September 6–10, 2017 two-step magnetic storm was caused by an X9 solar flare followed by a CME. The SSC that occurred at 23:43 UT on day 06 when Sym-H…”
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Climatology and modeling of ionospheric scintillations and irregularity zonal drifts at the equatorial anomaly crest region by Marcio T A H Muella, Duarte-Silva, Marcelo H, Moraes, Alison O, de Paula, Eurico R, Luiz F C de Rezende, Alfonsi, Lucilla, Affonso, Bruno J

“…In this study the climatology of ionospheric scintillations and the zonal drift velocities of scintillation-producing irregularities are depicted for a station…”
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Observations of Quasi-Periodic Electric Field Disturbances in the E Region before and during the Equatorial Plasma Bubble by Kherani, Esfhan A., de Paula, Eurico R.

“…Wave-like electric field disturbances in the ionosphere before the Equatorial Plasma Bubble (EPB) are the subject of numerous recent studies that address the…”
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Understanding Inter-Hemispheric Traveling Ionospheric Disturbances and Their Mechanisms by Jonah, Olusegun F., Zhang, Shunrong, Coster, Anthea J., Goncharenko, Larisa P., Erickson, Philip J., Rideout, William, de Paula, Eurico R., de Jesus, Rodolfo

“…Traveling ionospheric disturbances (TIDs) are wave-like disturbances in ionospheric plasma density. They are often observed during both quiet (medium-scale…”
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Numerical Modeling of Coseismic Tropospheric Disturbances Arising from the Unstable Acoustic Gravity Wave Energetics by Kherani, Esfhan A., Sanchez, Saul A., de Paula, Eurico R.

“…Numerous recent studies report the Coseismic Tropospheric Disturbances (CTDs) during large earthquakes. Their presence suggests the importance of atmospheric…”
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Statistical Evaluation of the Role of GNSS Signal Propagation Orientation in Low-latitude Amplitude Scintillation Severity by Moraes, Alison, Sousasantos, Jonas, Affonso, Bruno J., Silva, Paulo R. P., Paula, Eurico R. De, Monico, Joao F. G.

“…Equatorial plasma bubbles are depleted plasma structures aligned to the geomagnetic field lines that are generated in the nighttime ionosphere bottomside and…”
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GPS L1-Frequency Observations of Equatorial Scintillations and Irregularity Zonal Velocities by Muella, Marcio T. A. H., de Paula, Eurico R., Jonah, Olusegun F.

“…In this work, the climatology of ionospheric scintillations at global positioning system (GPS) L-band frequency and the zonal drift velocities of…”
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Ionospheric Scintillation and Dynamics of Fresnel-Scale Irregularities in the Inner Region of the Equatorial Ionization Anomaly by Muella, Marcio T. A. H., de Paula, Eurico R., Monteiro, Alan A.

“…This paper reports differences in the occurrence statistics of global positioning system (GPS) L-band scintillations at observational sites located in the…”
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Response of the total electron content at Brazilian low latitudes to corotating interaction region and high-speed streams during solar minimum 2008 by Candido, Claudia M. N., Batista, Inez S., Klausner, Virginia, de Siqueira Negreti, Patricia M., Becker-Guedes, Fabio, de Paula, Eurico R., Shi, Jiankui, Correia, Emilia S.

“…In this work, we investigate the Brazilian low-latitude ionospheric response to two corotating interaction regions (CIRs) and high-speed streams (HSSs) events…”
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Investigating Ionospheric Scintillation Effects on Multifrequency GPS Signals by Salles, Lucas A., Vani, Bruno C., Moraes, Alison, Costa, Emanoel, de Paula, Eurico R.

“…Over the last 15 years, the satellite constellation of the global positioning system (GPS) has been modernized for more precise applications, with the…”
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Global Positioning System measurements of the ionospheric zonal apparent velocity at Cachoeira Paulista in Brazil by Kil, Hyosub, Kintner, Paul M., Paula, Eurico R., Kantor, Ivan J.

“…Ionospheric irregularities and their zonal apparent drift were studied using Global Positioning System (GPS) measurements at Cachoeira Paulista (22.41°S,…”
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Equatorial scintillation calculations based on coherent scatter radar and C/NOFS data by Costa, Emanoel, de Paula, Eurico R., Rezende, L. F. C., Groves, Keith M., Roddy, Patrick A., Dao, Eugene V., Kelley, Michael C.

“…During its transit through a region of equatorial ionospheric irregularities, sensors on board the Communication/Navigation Outage Forecasting System (C/NOFS)…”
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Tomographic imaging of the equatorial and low-latitude ionosphere over central-eastern Brazil by Muella, Marcio T. A. H., de Paula, Eurico R., Mitchell, Cathryn N., Kintner, Paul M., Paes, Ricardo R., Batista, Inez S.

“…A four-dimensional time-dependent tomographic algorithm, named Multi Instrument Data Analysis System (MIDAS), is used to image the equatorial and low-latitude…”
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A three-dimensional simulation of collisional-interchange-instability in the equatorial-low-latitude ionosphere by KHERANI, Alam E, MASCARENHAS, Matheus, DE PAULA, Eurico R, SOBRAL, Jose H. A, BERTONI, Fernando

“…Issue Title: WISER Workshop on Computing in Space and Astrophysical Plasmas We present a three-dimensional simulation of collisional-interchange-instability in…”
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A new approach for the generation of real-time GNSS low-latitude ionospheric scintillation maps by Martinon, André R. F., Stephany, Stephan, de Paula, Eurico R.

“…Ionospheric scintillation disturbs radio frequency signals affecting navigation based on Global Navigation System (GNSS), especially in Brazil, due to the…”
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Climatology of the scintillation onset over southern Brazil by Sousasantos, Jonas, de Oliveira Moraes, Alison, Sobral, José H. A., Muella, Marcio T. A. H., de Paula, Eurico R., Paolini, Rafael S.

“…This work presents an analysis of the climatology of the onset time of ionospheric scintillations at low latitude over the southern Brazilian territory near…”
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Effects of the fringe field of Rayleigh-Taylor instability in the equatorial E and valley regions by Alam Kherani, E., de Paula, Eurico R., Bertoni, Fernando C. P.

“…We present a unified algorithm for the collisional interchange instabilities (Rayleigh‐Taylor and gradient drift instabilities) occurring in the F and E…”
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