Zobrazeno 1 - 10
of 25
pro vyhledávání: '"A.B. Adeloye"'
Publikováno v:
Materials and Geoenvironment, Vol 63, Iss 2, Pp 81-90 (2016)
We present a method that utilizes multichannel analysis of surface waves (MASW), which was used to measure shear wave velocities, with a view to establishing the probable causes of road failure, subsidence and weakening of structures in some local go
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bb2c29f6c159e73a881a0a42cb90f53
https://doaj.org/article/5bb46b61dd6f4d9492ab2ceb2a29019d
https://doaj.org/article/5bb46b61dd6f4d9492ab2ceb2a29019d
Publikováno v:
Advances in Space Research. 52:1737-1747
This paper discusses the ability of the International Reference Ionosphere IRI-2007 storm time model to predict foF2 ionospheric parameter during geomagnetic storm periods. Experimental data (based on availability) from two low latitude stations: Van
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efe8b979eabaeb3dd6ab33a1f35ca473
https://doi.org/10.1016/j.asr.2013.04.027
https://doi.org/10.1016/j.asr.2013.04.027
Publikováno v:
Journal of Atmospheric and Solar-Terrestrial Physics. 98:50-62
This study presents the response of African equatorial GPS-TEC to intense geomagnetic storms that occurred during the ascending phase (2011–2012) of solar cycle 24. Specifically, four intense geomagnetic storms were considered: September 26–27, 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ac832e5e31998137603b4f55b4b8772
https://doi.org/10.1016/j.jastp.2013.02.006
https://doi.org/10.1016/j.jastp.2013.02.006
Publikováno v:
Advances in Space Research. 49:316-326
Diurnal, seasonal and latitudinal variations of Vertical Total Electron Content (VTEC) over the equatorial region of the African continent and a comparison with IRI-2007 derived TEC (IRI-TEC), using all three options (namely; NeQuick, IRI01-corr and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68883f76a8e8e0c6e3ca16082d100134
https://doi.org/10.1016/j.asr.2011.09.032
https://doi.org/10.1016/j.asr.2011.09.032
Publikováno v:
Journal of Atmospheric and Solar-Terrestrial Physics. 72:676-684
The monthly median values of the height of peak electron density of the F2-layer (hmF2) derived from ionosonde measurements at three high latitude stations, namely Narssarssuaq (NAR) (61.2 °N, 314.6 °E), Sondrestrom (SON) (67°N, 309.1°E) and Coll
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5c0d9c31578c8626966e5063937af7a
https://doi.org/10.1016/j.jastp.2010.03.009
https://doi.org/10.1016/j.jastp.2010.03.009
Publikováno v:
Advances in Space Research. 45:1211-1218
This study examines the response of the African equatorial ionospheric foF2 to different levels of geomagnetic storms, using the foF2 hourly data for the year 1989 from Ouagadougou (12.4°N, 1.5°W, dip: 2.8°N). The study also compares the observed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf39cdafbd0a58d6784b245fdff4707c
https://doi.org/10.1016/j.asr.2010.01.004
https://doi.org/10.1016/j.asr.2010.01.004
Akademický článek
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A study of L-band scintillations and total electron content at an equatorial station, Lagos, Nigeria
Autor:
Pierre J. Cilliers, Elijah Oyeyemi, A.B. Adeloye, Cathryn N. Mitchell, A.O. Adewale, Julian A. R. Rose
Publikováno v:
Adewale, A O, Oyeyemi, E O, Adeloye, A B, Mitchell, C N, Rose, J A R & Cilliers, P J 2012, ' A study of L-band scintillations and total electron content at an equatorial station, Lagos, Nigeria ', Radio Science, vol. 47, no. RS2011, RS004846 . https://doi.org/10.1029/2011RS004846
[1] In this paper we present the first results from measurements of scintillation and total electron content (TEC) from an equatorial station, Lagos (Latitude 6.5°N, Longitude 3.4°E, magnetic latitude 3.03°S), Nigeria, using a Novatel GSV4004B GPS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3677829d02dd27fddfb9b5a45a709cd1
https://doi.org/10.1029/2011rs004846
https://doi.org/10.1029/2011rs004846
Responses of equatorialFregion to different geomagnetic storms observed by GPS in the African sector
Publikováno v:
Journal of Geophysical Research: Space Physics. 116
[1] This article presents the first results regarding the investigation of the response of the equatorial ionospheric F region in the African sector during geomagnetic storm periods between April 2000 and November 2007 using GPS-derived vertical tota
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2bfb5aefd34080ddb095fa9ce1f7a79
https://doi.org/10.1029/2011ja016998
https://doi.org/10.1029/2011ja016998
Publikováno v:
Journal of Geophysical Research: Space Physics. 115
[1] This paper presents the diurnal, seasonal, and solar activity impacts on the variability of ionospheric foF2 over the Southeast Asian sector. Data from three ionosonde stations, namely, Manila (14.7°N, 121.1°E, dip 14.7°N), Okinawa (26.3°N, 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::124909d4413807e055ec819c5a1b80d4
https://doi.org/10.1029/2010ja015250
https://doi.org/10.1029/2010ja015250