Search Results - "BURITI, R. A"

Nightside Detection of a Large‐Scale Thermospheric Wave Generated by a Solar Eclipse by Harding, B. J., Drob, D. P., Buriti, R. A., Makela, J. J.

“…The generation of a large‐scale wave in the upper atmosphere caused by a solar eclipse was first predicted in the 1970s, but the experimental evidence remains…”
Get full text

Solar Cycle and Long‐Term Trends in the Observed Peak of the Meteor Altitude Distributions by Meteor Radars by Dawkins, E. C. M., Stober, G., Janches, D., Carrillo‐Sánchez, J. D., Lieberman, R. S., Jacobi, C., Moffat‐Griffin, T., Mitchell, N. J., Cobbett, N., Batista, P. P., Andrioli, V. F., Buriti, R. A., Murphy, D. J., Kero, J., Gulbrandsen, N., Tsutsumi, M., Kozlovsky, A., Kim, J. H., Lee, C., Lester, M.

“…The mesosphere/lower thermosphere (MLT, 80–100 km) region is an important boundary between Earth's atmosphere below and space above and may act as a sensitive…”
Get full text

Periodic waves in the lower thermosphere observed by OI630 nm airglow images by 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.

“…Periodic wave structures in the thermosphere have been observed at São João do Cariri (geographic coordinates: 36.5° W, 7.4° S; geomagnetic coordinates based…”
Get full text

Climatology of the nighttime equatorial thermospheric winds and temperatures over Brazil near solar minimum by Meriwether, J. W., Makela, J. J., Huang, Y., Fisher, D. J., Buriti, R. A., Medeiros, A. F., Takahashi, H.

“…We report on the climatology of equatorial thermospheric winds and temperatures based on Fabry‐Perot interferometer measurements of Doppler shifts and Doppler…”
Get full text

Multi-year observations of gravity wave momentum fluxes at low and middle latitudes inferred by all-sky meteor radar by Andrioli, V. F., Batista, P. P., Clemesha, B. R., Schuch, N. J., Buriti, R. A.

“…We have applied a modified composite day analysis to the Hocking (2005) technique to study gravity wave (GW) momentum fluxes in the mesosphere and lower…”
Get full text

Twin mesospheric bores observed over Brazilian equatorial region by Medeiros, A. F., Paulino, I., Taylor, M. J., Fechine, J., Takahashi, H., Buriti, R. A., Lima, L. M., Wrasse, C. M.

“…Two consecutive mesospheric bores were observed simultaneously by two all-sky cameras on 19 December 2006. The observations were carried out in the northeast…”
Get full text

An enhancement of the lunar tide in the MLT region observed in the Brazilian sector during 2006 SSW by Paulino, A.R., Batista, P.P., Clemesha, B.R., Buriti, R.A., Schuch, N.

“…Meteor radar observations at São João do Cariri (7.4°S, 36.5°W), Cachoeira Paulista (23°S, 45°W) and Santa Maria (29.7°S, 53.7°W) have permitted estimates to…”
Get full text

Ionospheric zonal velocities at conjugate points over Brazil during the COPEX campaign: Experimental observations and theoretical validations by Sobral, J. H. A., Abdu, M. A., Pedersen, T. R., Castilho, Vivian M., Arruda, Daniela C. S., Muella, M. T. A. H., Batista, I. S., Mascarenhas, M., de Paula, E. R., Kintner, P. M., Kherani, E. A., Medeiros, A. F., Buriti, R. A., Takahashi, H., Schuch, N. J., Denardini, C. M., Zamlutti, C. J., Pimenta, A. A., de Souza, J. R., Bertoni, F. C. P.

“…We analyze in detail the zonal velocities of large‐scale ionospheric plasma depletions over two conjugate stations inferred from OI 630 nm airglow all‐sky…”
Get full text

Longitudinal variability in intraseasonal oscillation in the tropical mesosphere and lower thermosphere region by Rao, R. Kondala, Gurubaran, S., Sathishkumar, S., Sridharan, S., Nakamura, T., Tsuda, T., Takahashi, H., Batista, P. P., Clemesha, B. R., Buriti, R. A., Pancheva, D. V., Mitchell, N. J.

“…Simultaneous observations of mean zonal wind at 88 km obtained by the meteor radars at Cariri (7.4°S, 36.5°W) and Ascension Island (7.9°S, 14.4°W) and two…”
Get full text

Observations of equatorial mesospheric winds over Cariri (7.4° S) by a meteor radar and comparison with existing models by BURITI, R. A, HOCKING, W. K, BATISTA, P. P, MEDEIROS, A. F, CLEMESHA, B. R

“…Mesospheric winds observed with a meteor radar at Cariri (7.4° S, 36.5° W), Brazil, during the period of July 2004 to June 2005, show a clear semiannual…”
Get full text

Mesospheric gravity waves and ionospheric plasma bubbles observed during the COPEX campaign by Paulino, I., Takahashi, H., Medeiros, A.F., Wrasse, C.M., Buriti, R.A., Sobral, J.H.A., Gobbi, D.

“…During the Conjugate Point Experiment (COPEX) campaign performed at Boa Vista ( 2 . 80 ∘ N ; 60 . 70 ∘ W , dip angle 21 . 7 ∘ N ) from October to December…”
Get full text

Forward ray-tracing for medium-scale gravity waves observed during the COPEX campaign by Paulino, I., Takahashi, H., Vadas, S.L., Wrasse, C.M., Sobral, J.H.A., Medeiros, A.F., Buriti, R.A., Gobbi, D.

“…Medium-scale gravity waves (MSGWs) observed during the Conjugate Point Experiment (COPEX) at Boa Vista (2.8°N; 60.7°S, dip angle 21.7°) have been ray-traced…”
Get full text

Seasonal variations in gravity wave activity at three locations in Brazil by CLEMESHA, B. R, BATISTA, P. P, BURITI DA COSTA, R. A, SCHUCH, N

“…Using the variance in meteor radar winds as a measure of gravity wave activity, we investigate the temporal variations in gravity waves at three locations in…”
Get full text

Midnight reversal of ionospheric plasma bubble eastward velocity to westward velocity during geomagnetically quiettime: Climatology and its model validation by Sobral, José H.A., de Castilho, Vivian M., Abdu, M.A., Takahashi, Hisao, Paulino, I., Gasparelo, Ulisses A.C., Arruda, Daniela C.S., Mascarenhas, Matheus, Zamlutti, C.J., Denardini, C.M., Koga, Daiki, de Medeiros, A.F., Buriti, R.A.

“…In an effort to better understand the dynamics of westward velocities of the nocturnal F-region plasma, the climatology of the westward traveling plasma…”
Get full text

Optical observations of plasma bubble westward drifts over Brazilian tropical region by Paulino, I., Medeiros, A.F., Buriti, R.A., Sobral, J.H.A., Takahashi, H., Gobbi, D.

“…Previous studies based on experimental observations of plasma bubbles occurrences over the Brazilian region revealed that they often propagate eastward in the…”
Get full text

Mesospheric bore events in the equatorial middle atmosphere by Fechine, J., Medeiros, A.F., Buriti, R.A., Takahashi, H., Gobbi, D.

“…An all-sky CCD imager designed to measure wave structure of the OH, O 2b(0,1) and OI557.7 nm airglow emission layers in the mesosphere and lower thermosphere…”
Get full text

Mesospheric gravity waves observed near equatorial and low-middle latitude stations : wave characteristics and reverse ray tracing results by WRASSE, C. M, NAKAMURA, T, SURATNO, ACHMAD, E, ADMIRANTO, A. G, T, H, MEDEIROS, A. F, TAYLOR, M. J, GOBBI, D, DENARDINI, C. M, FECHINE, J, BURITI, R. A, SALATUN, A

“…Gravity wave signatures were extracted from OH airglow observations using all-sky CCD imagers at four different stations: Cachoeira Paulista (CP) (22.7° S, 45°…”
Get full text

MLT gravity wave climatology in the South America equatorial region observed by airglow imager by MEDEIROS, A. F, TAKAHASHI, H, BURITI, R. A, FECHINE, J, WRASSE, C. M, GOBBI, D

“…An all-sky CCD imager for OH, O2 and OI (557.7 nm) airglow emission measurements was operated at São João do Cariri (Cariri), Brazil (7° S, 36° W), from…”
Get full text

Atmospheric Gravity Waves Observed in the Nightglow Following the 21 August 2017 Total Solar Eclipse by Paulino, I., Figueiredo, C. A. O. B., Rodrigues, F. S., Buriti, R. A., Wrasse, C. M., Paulino, A. R., Barros, D., Takahashi, H., Batista, I. S., Medeiros, A. F., Batista, P. P., Abdu, M. A., Paula, E. R., Denardini, C. M., Lima, L. M., Cueva, R. Y.C., Makela, J. J.

“…Nighttime airglow images observed at the low‐latitude site of São João do Cariri (7.4°S, 36.5°W) showed the presence of a medium‐scale atmospheric gravity wave…”
Get full text

Space weather in the thermospheric–ionospheric domain over the Brazilian region: Climatology of ionospheric plasma bubbles in the subequatorial and low-latitude region by Koga, D., Sobral, J.H.A., Abdu, M.A., de Castilho, V.M., Mascarenhas, M., Arruda, D.C.S., Zamlutti, C.J., Takahashi, H., Medeiros, A.F., Buriti, R.A.

“…The climatology of ionospheric plasma bubbles is studied here by means of a comparison of the frequency of occurrence of the spread-F/plasma bubble events over…”
Get full text