Close

1. Identity statement
Reference TypeJournal Article
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP5W34M/3GD3GH4
Repositorysid.inpe.br/mtc-m21b/2014/05.30.02.22.14   (restricted access)
Last Update2015:02.10.16.42.21 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21b/2014/05.30.02.22.15
Metadata Last Update2018:06.04.03.04.14 (UTC) administrator
DOI10.1007/s10712-013-9252-0
ISSN0169-3298
Labelscopus 2014-05 MuellaPaulJona:2014:GPL1Ob
Citation KeyMuellaPaulJona:2014:GPL1Ob
TitleGPS L1-Frequency Observations of Equatorial Scintillations and Irregularity Zonal Velocities
Year2014
Access Date2024, June 13
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size1540 KiB
2. Context
Author1 Muella, M. T. A. H.
2 Paula, Eurico Rodrigues de
3 Jonah, O. F.
Resume Identifier1
2 8JMKD3MGP5W/3C9JH2U
Group1
2 DAE-CEA-INPE-MCTI-GOV-BR
3 DAE-CEA-INPE-MCTI-GOV-BR
Affiliation1 Universidade do Vale do Paraíba (UNIVAP)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1
2 eurico@dae.inpe.br
e-Mail Addressmarcelo.pazos@inpe.br
JournalSurveys in Geophysics
Volume35
Number2
Pages335-357
Secondary MarkA1_GEOCIÊNCIAS A2_ENGENHARIAS_IV B1_ASTRONOMIA_/_FÍSICA
History (UTC)2018-06-04 03:04:14 :: administrator -> marcelo.pazos@inpe.br :: 2014
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractIn this work, the climatology of ionospheric scintillations at global positioning system (GPS) L-band frequency and the zonal drift velocities of scintillation-producing irregularities were depicted for the equatorial observatory of São Luis (2.33°S; 44.21°W; dip latitude 1.3°S), Brazil. This is the first time that the hourly, monthly, and seasonal variations of scintillations and irregularity zonal drifts at São Luis were characterized during periods of different solar activity levels (from December 1998 to February 2007). The percentage occurrence of scintillations at different sectors of the sky was also investigated, and the results revealed that the scintillations are more probable to be observed in the west sector of the sky above São Luis, whereas the north-south asymmetries are possibly related to asymmetries in the plasma density distribution at off-equatorial latitudes. The scintillations on GPS signals occurred more frequently around solar maximum years, but it is also clear from the results of a strong variability in the scintillation activity in the years with moderate solar flux during the descending phase of the solar cycle. The equatorial scintillations occur predominantly during pre-midnight hours with a broad maximum near the December solstice months. In general, weak level of scintillations (S 4 index between 0.2 and 0.4) dominated at all seasons; however, during the winter months around solar maximum years (although the scintillation occurrence is extremely low), stronger levels of scintillations (S 4 > 0.6) may occur at comparable rate with the weak scintillations. The irregularity zonal velocities, as estimated from the GPS spaced-receiver technique, presented a different scenario for the two seasons analyzed; during the equinoxes, the magnitude of the zonal velocities appeared not to change with the solar activity, whereas during the December solstice months, the larger magnitudes were observed around solar maximum years. Other relevant aspects of the observations are highlighted and discussed.
AreaCEA
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAE > GPS L1-Frequency Observations...
doc Directory Contentaccess
source Directory Contentthere are no files
agreement Directory Contentthere are no files
4. Conditions of access and use
Languageen
User Groupadministrator
marcelo.pazos@inpe.br
Reader Groupadministrator
marcelo.pazos@inpe.br
Visibilityshown
Archiving Policydenypublisher denyfinaldraft12
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
LinkingTrabalho não Vinculado à Tese/Dissertação
Mirror Repositoryiconet.com.br/banon/2006/11.26.21.31
Next Higher Units8JMKD3MGPCW/3ETL868
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.45.35 2
sid.inpe.br/bibdigital/2013/09.29.20.43 1
DisseminationWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notes
Empty Fieldsalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel format isbn keywords lineage mark month nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject targetfile tertiarytype url
7. Description control
e-Mail (login)marcelo.pazos@inpe.br
update 


Close