Zobrazeno 1 - 9
of 9
pro vyhledávání: '"C. G. M. Brum"'
Autor:
A. M. Santos, G. Yang, A. A. Pimenta, C. G. M. Brum, I. S. Batista, J. H. A. Sobral, V. F. Andrioli, P. P. Batista, M. A. Abdu, J. R. Souza, P. K. Manoharan, C. Wang, H. Li, Z. Liu
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
This work presents the contribution of solar atmospheric tides (diurnal, semidiurnal, and terdiurnal modes) to the variability of the parameters critical frequency (foF2) and peak height of the F2-layer (hmF2) in the American sector during the transi
Externí odkaz:
https://doaj.org/article/143648537da249ea93bef0491ebdc1ef
Publikováno v:
Annales Geophysicae, Vol 40, Pp 259-269 (2022)
This work presents the daytime behavior of the intermediate layer (ILs) parameters (the virtual height – h'IL, and the top frequency – ftIL) over the low-latitude region of Cachoeria Paulista (CP, 22.42∘ S; 45∘ W, I: −34.59∘) during the 2
Externí odkaz:
https://doaj.org/article/f1efff73a7684e198428166871050279
Publikováno v:
Annales Geophysicae, Vol 37, Pp 1005-1024 (2019)
In this work, we have performed a study for the first time on the climatology of the intermediate descending layers (ILs) over Brazilian equatorial and low-latitude regions during the extreme solar minimum period of 2009. The result of this study sho
Externí odkaz:
https://doaj.org/article/4610e81a4765416ba3e5b9f4724dc16d
Autor:
N. J. Schuch, M. R. da Silva, D. B. Contreira, K. Nozaki, M. A. Abdu, E. R. de Paula, M. Nishino, K. Makita, C. G. M. Brum, F. S. Rodrigues
Publikováno v:
Geofísica Internacional, Vol 43, Iss 2, Pp 193-198 (2004)
A commercial computer controlled radio receiver has been used to measure signal strength of High Frequency (HF) signals in order to study the effects of geophysical events on radio communications and to test the system for ionospheric monitoring. The
Externí odkaz:
https://doaj.org/article/ea2a44b06c8541b3b1f6caac308f5045
Autor:
F. S. Rodrigues, C. G. M. Brum, K. Makita, M. Nishino, E. R. de Paula, M. A. Abdu, K. Nozaki, D. B. Contreira, M. R. da Silva, N. J. Schuch
Publikováno v:
Geofísica Internacional, Vol 43, Iss 2, Pp 193-198 (2004)
A commercial computer controlled radio receiver has been used to measure signal strength of High Frequency (HF) signals in order to study the effects of geophysical events on radio communications and to test the system for ionospheric monitoring. The
Externí odkaz:
https://doaj.org/article/a656bdba4aca4c33be6e6c2fa2e69556
Autor:
A. M. Santos, C. G. M. Brum, I. S. Batista, J. H. A. Sobral, M. A. Abdu, J. R. Souza, S. S. Chen, C. M. Denardini, R. de Jesus, K. Venkatesh, P. A. B. Nogueira
Publikováno v:
Journal of Geophysical Research: Space Physics. 127
Autor:
Angela M Santos, A M Santos, C G M Brum, I S Batista, J H A Sobral, M A Abdu, P A B Nogueira, J R Souza, S S Chen, C M Denardini, Ângela Santos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ced3ae35720b8005b1d8c6c08ee10db6
https://doi.org/10.1002/essoar.10509726.1
https://doi.org/10.1002/essoar.10509726.1
Publikováno v:
9th International Congress of the Brazilian Geophysical Society & EXPOGEF, Salvador, Bahia, Brazil, 11-14 September 2005.