Forbush decreases in the flux of galactic cosmic rays and associated VLF night-time propagation phenomena

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dc.contributor.authorAnanthakrishnan S.
dc.contributor.authorHackradt B.
dc.date.accessioned2024-03-13T01:48:17Z
dc.date.available2024-03-13T01:48:17Z
dc.date.issued1972
dc.description.abstractCosmic ray Forbush decreases observed during the events of 7th July 1966, 23rd May 1967 and 9th June 1969 produced night-time phase and amplitude perturbations on very low frequency signals received at São Paulo, Brazil from transmitters GBZ, Criggion, U.K. (19.6 kHz), NBA, Balboa, Canal Zone (24.0 kHz), GBR, Rugby, U.K. (16.0 kHz) and NAA, Cutler, Maine, U.S.A. (17.8 kHz). All the above propagation paths to São Paulo are transequatorial and cross the South Atlantic geomagnetic anomaly. The effect of each event is discussed individually and reasons are advanced to account for the fact that even comparatively low latitude paths crossing the anomaly can at times be affected by decreases in the cosmic ray flux. © 1972.
dc.description.firstpage81
dc.description.issuenumber1
dc.description.lastpage87
dc.description.volume20
dc.identifier.doi10.1016/0032-0633(72)90143-2
dc.identifier.issn0032-0633
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/38109
dc.relation.ispartofPlanetary and Space Science
dc.rightsAcesso Restrito
dc.titleForbush decreases in the flux of galactic cosmic rays and associated VLF night-time propagation phenomena
dc.typeArtigo
local.scopus.citations0
local.scopus.eid2-s2.0-49649134315
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=49649134315&origin=inward
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