Gravity waves activities in the stratosphere and mesosphere

12th International Symposium on Equatorial Aeronomy – May 18 - 24, 2008, Crete, Greece Poster P1: Posters for Session S3 (Equatorial Lower- and Middle- Atmosphere Studies)
Gravity waves activities in the stratosphere and mesosphere over the Brazilian
equatorial region
C. M. Wrasse1 , H. Takahashi2, J. Fechine3, A. F. Medeiros3, J. Wickert4, C. M. Denardini2
1: Universidade do Vale do Paraíba, IP&D, São José dos Campos, SP, Brazil ([email protected])
2: Universidade Federal de Campina Grande, UFCG, Campina Grande, PB, Brazil
3: Instituto Nacional de Pesquisas Espaciais, INPE, São José dos Campos, SP, Brazil
4: GeoForschungsZentrum, GFZ, Potsdam, Germany
Gravity wave activities in the stratosphere are deduced from GPS radio occultation temperature profiles
obtained by CHAMP satellite. The potential energy profiles are used to analyse the gravity wave activity,
seasonal variability and possible wave sources. Mesospheric gravity wave observations, using all sky
imager, are compared with the stratospheric potential energy in order to investigate the gravity wave
occurrence. The results show that the gravity wave activity over Brazil is strongly correlated with
mesosecale synoptics systems that produce deep convection, such as mesoscale convective systems, squall
lines, cold fronts and the Intertropical Convergence Zone.
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12th International Symposium on
Equatorial Aeronomy
Book of Abstracts
May 18 - 24,
24 2008
2008. Crete
Crete, Greece
Book of Abstracts
12th International Symposium on
Equatorial Aeronomy ( ISEA –12 )
ALDEMAR KNOSSOS CONFERENCE HOTEL
HERSONISSOS, CRETE, GREECE
MAY 18-24, 2008
12th International Symposium on Equatorial Aeronomy – May 18 - 24, 2008, Crete, Greece ISEA-12 Program
POSTER P1
POSTERS FOR SESSIONS S3 AND S4
Conveners
G. Swenson and D. Pancheva
Time:
All day Monday and Tuesday, May 19-20
Author Attendance :
Coffee breaks, 13:00 – 14:00 and 19:00 to 20:00
POSTER CHAIR
GERALD LEHMACHER AND DENNIS RIGGIN
S3 - P1- 01
J. O. Adeniyi, S. M. Radicella, I. A. Adimula, O. A. Oladipo, O.
Olawepo, and A. A. Willoughby
Analysis of March 29 2006 eclipse on the E and F1 region at Ilorin
H. C. Aveiro, C. M. Denardini, and M. A. Abdu
Planetary waves in the equatorial electrojet obtained by wavelet analysis
of magnetometer data
M.A. Ayoola, G. I. Olatona, E. O. Oladiran, and J. A. Adedokum
The March 29, 2006 solar eclipse as observed at Ibadan, Nigeria
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S3 - P1- 02
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S3 - P1- 03
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S3 - P1- 04
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S3 - P1- 05
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S3 - P1- 06
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S3 - P1- 07
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S3 - P1- 08
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S3 - P1- 09
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S4 - P1- 10
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R. A. Buriti, W. K. Hocking, P. P. Batista, A. F. Medeiros, and B. R.
Clemesha
Observations of zonal and meridional winds and diurnal and semidiurnal
tides at 7.4°S by a meteor radar
M. Devi, A. K. Barbara, Yu. Ruzhin, A. Depueva, and V. Depuev
Role of equatorial anomaly in assertion of low latitude earthquakeperturbations on ionosphere
G. K. Kumar, M. V. Ratnam, A. K. Patra, S. V. B. Rao, K. K. Kumar,
S. Gurubaran, G. Ramkumar, and D. N. Rao
Climatology of low-latitude mesospheric dynamics using Gadanki VHF
radar, rocket, and HRDI
H. S. S. Sinha, U. Das, R. N. Misra, M. B. Dadhania, S. Banerjee, and
N. Dutt
Study of mesospheric turbulence using rocket-borne electron density
measurements
C. M. Wrasse, J. Fechine, H. Takahashi, A. F. Medeiros, J. V.
Bageston, and C. M. Denardini
Gravity waves sources in the Brazilian equatorial region during
SpreadFEX Campaign
C. M. Wrasse, H. Takahashi, J. Fechine, A. F. Medeiros, J. Wickert,
and C. M. Denardini
Gravity waves activities in the stratosphere and mesosphere over the
Brazilian equatorial region
L. M. Lima, H. Takahashi, B. R. Clemesha, P. P. Batista, and C. M.
Wrasse
A comparative study of the quasi-2-day wave observed at 7.4°S and
22.7°S, Brazil, during summertime
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