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Tipo de ReferênciaArtigo em Evento (Conference Proceedings)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3K3BKUB
Repositóriosid.inpe.br/mtc-m21b/2015/08.11.16.00
Última Atualização2015:08.11.16.01.18 administrator
Metadadossid.inpe.br/mtc-m21b/2015/08.11.16.00.20
Última Atualização dos Metadados2018:06.04.02.55.37 administrator
Chave SecundáriaINPE--PRE/
Chave de CitaçãoEgitoBatiClemBuri:2015:VeWi34
TítuloVertical winds and 3-4 day momentum flux in the MLT inferred from meteor radar measurements
Ano2015
Data de Acesso20 abr. 2021
Número de Arquivos1
Tamanho596 KiB
Área de contextualização
Autor1 Egito, Fábio
2 Batista, Paulo Prado
3 Clemesha, Barclay Robert
4 Buriti, Ricardo A.
Identificador de Curriculo1
2 8JMKD3MGP5W/3C9JJ3H
3 8JMKD3MGP5W/3C9JGKH
Grupo1
2 DAE-CEA-INPE-MCTI-GOV-BR
3 DAE-CEA-INPE-MCTI-GOV-BR
Afiliação1 Universidade Federal do Oeste da Bahia (UFOB)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Universidade Federal de Campina Grande (UFCG)
Endereço de e-Mail do Autor1
2 paulo.batista@inpe.br
3 brc@laser.inpe.br
Nome do EventoInternational Congress of the Brazilian Geophysical Society, 14
Localização do EventoRio de Janeiro, RJ
Data3-6 Aug.
Tipo SecundárioPRE CI
Histórico2015-08-11 16:00:20 :: simone -> administrator ::
2018-06-04 02:55:37 :: administrator -> simone :: 2015
Área de conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteudoExternal Contribution
ResumoPlanetary scale waves in equatorial region transport a significant amount of energy and momentum through atmosphere. Quantifying the momentum transported by these waves and its effects toward the mean flow is rather important. Direct estimative of the momentum flux transported by these waves requires horizontal and vertical wind measurements. Ground-based meteor radars have provided continuous and reliable measurements of the horizontal wind components in the MLT region. On the other hand, vertical wind component does not present the same reliability. However, an approach presented by Babu et al. (2012), made possible to calculate tridimensional daily winds by using only near zenith echoes detected around their maximum counting rate, i.e., during early morning hours. From daily tridimensional winds, momentum fluxes due to planetary scale waves can be estimated. Following this approach, we have used measurements performed by a meteor radar installed at São João do Cariri (7.4ºS; 36.5ºW) in order to measure vertical winds and after determine the momentum flux transported by these waves. Vertical wind presents magnitudes of a few meters per second and occasionally reaches magnitudes higher than 10 m/s. Below 92 km vertical wind is upward during the whole year and above exhibits a semi-annual oscillation with downward phase during the equinoxes. Variations associated to planetary scale waves in the vertical wind are also observed and some of them appear simultaneously in the zonal and meridional wind. Vertical transport of zonal momentum fluxes of 3-4 day component is found to be maximum near autumn equinox, when its value reaches almost 20 m2s -2, while minimum momentum fluxes were observed before winter solstice.
AreaCEA
ArranjoINPE > Produção > DIDAE > Vertical winds and...
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URL dos dadoshttp://urlib.net/rep/8JMKD3MGP3W34P/3K3BKUB
URL dos dados zipadoshttp://urlib.net/zip/8JMKD3MGP3W34P/3K3BKUB
Grupo de Usuáriosself-uploading-INPE-MCTI-GOV-BR
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Grupo de Leitoresadministrator
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Repositório Espelhourlib.net/www/2011/03.29.20.55
Unidades Imediatamente Superiores8JMKD3MGPCW/3ETL868
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
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