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dc.contributor.author Maekawa, Yasuyuki
dc.contributor.author Fukao, Shoichiro
dc.contributor.author Yamamoto, Mamoru
dc.contributor.author Yamanaka, Manabu D.
dc.contributor.author Tsuda, Toshitaka
dc.contributor.author Kato, Susumu
dc.contributor.author Woodman Pollitt, Ronald Francisco
dc.date.accessioned 2018-07-06T20:27:09Z
dc.date.available 2018-07-06T20:27:09Z
dc.date.issued 1993-10
dc.identifier.citation Maekawa, 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/10.1029/93GL02606 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/1763
dc.description.abstract The 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.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:0094-8276
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Gravity wave es_ES
dc.subject Middle atmosphere es_ES
dc.subject Upward propagating wave es_ES
dc.subject VHF radar es_ES
dc.title First observation of the upper stratospheric vertical wind velocities using the Jicamarca VHF radar es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1029/93GL02606 es_ES

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