First observation of the upper stratospheric vertical wind velocities using the Jicamarca VHF radar

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dc.contributor.authorMaekawa, Yasuyuki
dc.contributor.authorFukao, Shoichiro
dc.contributor.authorYamamoto, Mamoru
dc.contributor.authorYamanaka, Manabu D.
dc.contributor.authorTsuda, Toshitaka
dc.contributor.authorKato, Susumu
dc.contributor.authorWoodman Pollitt, Ronald Francisco
dc.date.accessioned2018-07-06T20:27:09Z
dc.date.available2018-07-06T20:27:09Z
dc.date.issued1993-10
dc.description.abstractThe Jicamarca VHF radar (50 MHz) has detected atmospheric echoes in the so-called "gap region" from 30 to 60 km heights. These echoes are, for the first time, discriminated from clutter echoes, using both co-polarized ( co-pol) and cross-polarized (x­pol) arrays to monitor the clutter component which may enter the antenna sidelobes. The atmospheric scatterings in this region are shown to be composed of refractivity layers with thickness as of 1-2 km as in other middle atmospheric height ranges, suggesting that these scatterings are caused by thin turbulent layers. The height profile of infcrred vertical wind velocities indicates a wavy structure. The wave amplitude, as a whole, increases with height, suggesting the activity of upward-propagating gravity waves.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationMaekawa, Y., Fukao, S., Yamamoto, M., Yamanaka, M. D., Tsuda, T., Kato, S., & Woodman, R. F. (1993). First observation of the upper stratospheric vertical wind velocities using the Jicamarca VHF radar.==$Geophysical Research Letter, 20$==(20), 2235-2238. https://doi.org/10.1029/93GL02606es_ES
dc.identifier.doihttps://doi.org/10.1029/93GL02606es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalGeophysical Research Letterses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1763
dc.language.isoenges_ES
dc.publisherAmerican Geophysical Uniones_ES
dc.relation.ispartofurn:issn:0094-8276
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectGravity wavees_ES
dc.subjectMiddle atmospherees_ES
dc.subjectUpward propagating wavees_ES
dc.subjectVHF radares_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleFirst observation of the upper stratospheric vertical wind velocities using the Jicamarca VHF radares_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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