| 2004 |
Artigo em periódico |
A comparison of the spectral characteristics of the Wolf Sunspot Number (R Z) and Group Sunspot Number (R G)
Faria H H; Echer E; Nivaor Rodolfo RIGOZO; Vieira L E A; Nordemann D J R et al
Solar Physics
DOI 10.1007/s11207-004-5318-y
ISSN 0038-0938
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PS
Astronomy and Astrophysics
|
| 2004 |
Artigo em periódico |
Long-term correlation between solar and geomagnetic activity
Alan PRESTES; Gonzalez W D; Gonzalez A L C; Prestes A; Vieira L E A et al
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
DOI 10.1016/j.jastp.2004.03.011
ISSN 1364-6826
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PS
Atmospheric Science
|
| 2003 |
Trabalho em evento |
A study of time and space variations of the mid-latitude geomagnetic records during intense geomagnetic storms and their interplanetary origin
Luiz Eduardo Antunes VIEIRA; Walter D GONZALEZ; Alicia L C GONZALEZ; Alison Dal LAGO; Ezequiel ECHER et al
International Union of Geodesy and Geophysics General Assembly 2003
|
PS
Geophysics
|
| 2003 |
Trabalho em evento |
Solar and climate variation relationship searched by studying tree ring index time series from Chile (1588-1994 AD)
Nivaor Rodolfo RIGOZO; Daniel Jean Roger NORDEMANN; Heloisa Helena De FARIA; Ezequiel ECHER; Luiz Eduardo Antunes VIEIRA et al
International Union of Geodesy and Geophysics General Assembly 2003
|
PS
Geology
|
| 2003 |
Trabalho em evento |
Spectral analysis of a tree ring width time series from Chile (564BC-1991AD)
Nivaor Rodolfo RIGOZO; Daniel Jean Roger NORDEMANN; Heloisa Helena De FARIA; Alan PRESTES; Ezequiel ECHER et al
IGS-AGU-EUG Joint Assembly
|
PS
Geology
|
| 2003 |
Artigo em periódico |
Interplanetary shock parameters during solar activity maximum (2000) and minimum (1995-1996)
Ezequiel ECHER; Walter D GONZALEZ; Luiz Eduardo Antunes VIEIRA; Alison Dal LAGO; Fernando Luis GUARNIERI et al
BRAZILIAN JOURNAL OF PHYSICS
DOI 10.1590/s0103-97332003000100010
ISSN 0103-9733
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PS
Astronomy and Astrophysics
|
| 2003 |
Artigo em periódico |
Multi-Scale Analysis of the Geomagnetic Symmetric Index (sym)
Vieira L E A; Gonzalez W D; Echer E; Guarnieri F L; Alan PRESTES et al
Solar Physics
DOI 10.1023/b:sola.0000006858.86646.9f
ISSN 0038-0938
|
PS
Astronomy and Astrophysics
|
| 2003 |
Artigo em periódico |
O número de manchas solares; índice da atividade do sol
Ezequiel ECHER; Nivaor Rodolfo RIGOZO; Daniel Jean Roger NORDEMANN; Luiz Eduardo Antunes VIEIRA; Alan PRESTES et al
Revista de Ensino de Física (Cessou em 1991. Cont.ISSN 1806-1117 Revista Brasileira de Ensino de Física (Impresso)
DOI 10.1590/S0102-47442003000200004
ISSN 0102-4744
|
PS
Astronomy and Astrophysics
|
| 2002 |
Trabalho em evento |
A study of magnetospheric energy injection associated to different interplanetary structures
Luiz Eduardo Antunes VIEIRA; Walter D GONZALEZ; Alicia L C GONZALEZ; Alison Dal LAGO; Ezequiel ECHER et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
A study of time and space variations of the mid-latitude geomagnetic records during intense geomagnetic storms and their interplanetary origin
Luiz Eduardo Antunes VIEIRA; Walter D GONZALEZ; Alicia L C GONZALEZ; Alison Dal LAGO; Ezequiel ECHER et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
Comparison between halo CME Expansion speeds observed on the Sun; their average propagation speeds to Earth and their corresponding conterparts near earth
Alison Dal LAGO; R SCHWENN; E HUTTUNEN; Walter D GONZALEZ; Alicia L C GONZALEZ et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Astronomy and Astrophysics
|
| 2002 |
Trabalho em evento |
Estimative of the symmetric index (SYM) based on multi-scale analysis of the H component of geomagnetic records
Luiz Eduardo Antunes VIEIRA; Walter D GONZALEZ; Ezequiel ECHER; Alison Dal LAGO; Fernando Luis GUARNIERI et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Geophysics
|
| 2002 |
Trabalho em evento |
Interplanetary origins of high intensity; long duration; continuous auroral activity (HIDCAA) events during year 1998
Fernando Luis GUARNIERI; Walter D GONZALEZ; Alicia L C GONZALEZ; Luiz Eduardo Antunes VIEIRA; Alison Dal LAGO et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
Interplanetary shocks and geomagnetic activity in solar maximum (2000) and solar minimum (1995-1996)
Ezequiel ECHER; Walter D GONZALEZ; Alison Dal LAGO; Luiz Eduardo Antunes VIEIRA; Fernando Luis GUARNIERI et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
Interplanetary shocks and sudden impulses in solar maximum (2000) and solar minimum (1995-1996)
Ezequiel ECHER; Walter D GONZALEZ; Alison Dal LAGO; Luiz Eduardo Antunes VIEIRA; Fernando Luis GUARNIERI et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Astronomy and Astrophysics
|
| 2002 |
Trabalho em evento |
Multiple linear regression of the aa geomagnetic index as function of sunspot number Rz and annual fraction of high speed streams Fpk (V>500km/s)
Alan PRESTES; Walter D GONZALEZ; Alicia L C GONZALEZ; Ezequiel ECHER; Luiz Eduardo Antunes VIEIRA et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
Spectral analyses of sunspot number and aa geomagnetic index (1868-2000)
Alan PRESTES; Walter D GONZALEZ; Alicia L C GONZALEZ; Ezequiel ECHER; Luiz Eduardo Antunes VIEIRA et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Space and Planetary Science
|
| 2002 |
Trabalho em evento |
Spectral analysis of magnetic field fluctuations during a HILDCAA event on november; 1998
Fernando Luis GUARNIERI; Ezequiel ECHER; Walter D GONZALEZ; Alicia L C GONZALEZ; Luiz Eduardo Antunes VIEIRA et al
34th COSPAR Scientific Assembly - 2nd World space Congress
|
PS
Astronomy and Astrophysics
|
| 2001 |
Trabalho em evento |
A study of interplanetary shocks effects on magnetospheric activity during solar cycle maximum and minimum
Luiz Eduardo Antunes VIEIRA; Walter D GONZALEZ; Ezequiel ECHER; Alison Dal LAGO; Alan PRESTES et al
6o Encontro Brasileiro de Física de Plasmas
|
PS
Nuclear and High Energy Physics
|
| 2001 |
Trabalho em evento |
interplanetary schocks observed at the Earth and their causes at the Sun
Alison Dal LAGO; Walter D GONZALEZ; Alicia L C GONZALEZ; Luiz Eduardo Antunes VIEIRA; Ezequiel ECHER et al
6o Encontro Brasileiro de Física de Plasmas
|
PS
Nuclear and High Energy Physics
|
| 2001 |
Trabalho em evento |
A wavelet analysis study of the geoeffectiveness of the magnetic cloud event of september 1998
Luiz Eduardo Antunes VIEIRA; Ezequiel ECHER; Walter D GONZALEZ; Nelson J SCHUCH; Alicia L C GONZALEZ et al
6th Latin Americam Conference on Space Geophysics
|
PS
Space and Planetary Science
|
| 1998 |
Trabalho em evento |
Variação do campo em periodos calmos
Jean Carlo SANTOS; Nalin B TRIVEDI; Jader S NETO; Alan PRESTES; Nelson J SCHUCH
XIII Jornada Acadêmica Integrada
|
PS
Atmospheric Science
|