1. Identificação | |
Tipo de Referência | Artigo em Revista Científica (Journal Article) |
Site | mtc-m21b.sid.inpe.br |
Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Identificador | 8JMKD3MGP5W34M/3FJC8UL |
Repositório | sid.inpe.br/mtc-m21b/2014/01.16.18.21 |
Última Atualização | 2014:01.16.18.24.40 (UTC) administrator |
Repositório de Metadados | sid.inpe.br/mtc-m21b/2014/01.16.18.21.30 |
Última Atualização dos Metadados | 2018:06.04.03.14.27 (UTC) administrator |
DOI | 10.5194/angeo-31-1899-2013 |
ISSN | 0992-7689 |
Chave de Citação | LiuClemWangChen:2013:CoSpSo |
Título | Comparison of sporadic sodium layer characteristics observed at different time resolutions |
Ano | 2013 |
Data de Acesso | 08 maio 2024 |
Tipo de Trabalho | journal article |
Tipo Secundário | PRE PI |
Número de Arquivos | 1 |
Tamanho | 1647 KiB |
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2. Contextualização | |
Autor | 1 Liu, Y. J. 2 Clemesha, B. R. 3 Wang, J. H 4 Cheng, X. W |
Grupo | 1 DAE-CEA-INPE-MCTI-GOV-BR 2 DAE-CEA-INPE-MCTI-GOV-BR |
Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto Nacional de Pesquisas Espaciais (INPE) 3 Chinese Acad Sci, Natl Space Sci Ctr, Beijing, Peoples R China 4 Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan, Peoples R China |
Revista | Annales Geophysicae |
Volume | 31 |
Número | 11 |
Páginas | 1899-1912 |
Nota Secundária | A2 A2 B1 B2 B2 |
Histórico (UTC) | 2014-01-16 18:21:30 :: marciana -> administrator :: 2018-06-04 03:14:27 :: administrator -> marcelo.pazos@inpe.br :: 2013 |
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3. Conteúdo e estrutura | |
É a matriz ou uma cópia? | é a matriz |
Estágio do Conteúdo | concluido |
Transferível | 1 |
Tipo do Conteúdo | External Contribution |
Tipo de Versão | publisher |
Palavras-Chave | Atmospheric composition and structure middle atmosphere composition and chemistry NA METEOR TRAILS LIDAR OBSERVATIONS RADAR OBSERVATIONS LOWER THERMOSPHERE METAL LAYERS CA+ LAYERS ATMOSPHERE LATITUDES ARECIBO ECHOES |
Resumo | Sporadic sodium (Na-s) layers, occurring in roughly the same height range as ionospheric sporadic-E layers, were first detected by lidar some 30 yr ago. Nas layers have a typical thickness of a few hundred meters to a few km, with peak atom concentrations several times that of the background layer. Despite a great deal of excellent work over the past decades, the source of Nas layers is still not altogether clear, partly as a result of our incomplete knowledge of Nas layer characteristics. In this paper we concentrate on some typical case studies chosen from the similar to 127 h of sporadic sodium layer observations made at a time resolution of 1.5 s at Yanqing (115.97 degrees E, 40.47 degrees N), Beijing, China. This is a much better time resolution than what has been employed in most earlier measurements. The results show that the Nas layer peak heights are dispersed at slightly different although adjacent heights. When averaged over several minutes, as has been the case with most earlier measurements, the height scatter results in an apparent layer thickness of a few km. We conclude, therefore, that these dispersed peaks at different but adjacent heights constitute the 5 min Nas layer. Similar to the observations of sporadic-E-ion (Es) layers and meteor rate, we observe quasi-periodic fluctuations on a timescale on the order of several minutes in the peak height and the peak density of sporadic layers, which is a universal feature but concealed by the lower temporal resolution previously adopted. Spatially localized multiple scatterers and multiple thin layers with similar apparent movement in Nas layers are also found. We discuss the possible formation mechanism by the direct deposition of large swarms of micrometeoroids and demonstrate a typical example of meteor trails evolving into a Nas layer, which suggests that this mechanism might indeed occur. |
Área | CEA |
Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAE > Comparison of sporadic... |
Conteúdo da Pasta doc | acessar |
Conteúdo da Pasta source | não têm arquivos |
Conteúdo da Pasta agreement | |
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4. Condições de acesso e uso | |
URL dos dados | http://urlib.net/ibi/8JMKD3MGP5W34M/3FJC8UL |
URL dos dados zipados | http://urlib.net/zip/8JMKD3MGP5W34M/3FJC8UL |
Idioma | en |
Grupo de Usuários | marciana |
Grupo de Leitores | administrator marciana |
Visibilidade | shown |
Política de Arquivamento | allowpublisher allowfinaldraft |
Permissão de Leitura | allow from all |
Permissão de Atualização | não transferida |
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5. Fontes relacionadas | |
Repositório Espelho | iconet.com.br/banon/2006/11.26.21.31 |
Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ETL868 |
Lista de Itens Citando | sid.inpe.br/bibdigital/2013/09.29.20.43 1 |
Divulgação | WEBSCI; PORTALCAPES; MGA; COMPENDEX; SCOPUS. |
Acervo Hospedeiro | sid.inpe.br/mtc-m21b/2013/09.26.14.25.20 |
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6. Notas | |
Campos Vazios | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress electronicmailaddress format isbn label lineage mark month nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject targetfile tertiarymark tertiarytype url |
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7. Controle da descrição | |
e-Mail (login) | marcelo.pazos@inpe.br |
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