Dynamics of the equatorial mesosphere observed using the Jicamarca MST radar during June and August 1987

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dc.contributor.authorFritts, David C.
dc.contributor.authorYuan, Li
dc.contributor.authorHitchman, Matthew H.
dc.contributor.authorCoy, Lawrence
dc.contributor.authorKudeki, Erhan
dc.contributor.authorWoodman Pollitt, Ronald Francisco
dc.date.accessioned2018-07-06T19:52:37Z
dc.date.available2018-07-06T19:52:37Z
dc.date.issued1992-12
dc.description.abstractThe Jicamarca MST radar was used in two campaigns during June and August 1987 to measure wave influences, flow variability, and mean structure in the equatorial stratosphere and mesosphere. This paper presents observations of motions and momentum fluxes in the mesosphere during each campaign. A companion paper by Hitchman et al. addresses the mean structure and fluxes as well as comparisons with other datasets. Results presented here indicate that the equatorial mesosphere is dynamically very active, with considerable gravity-wave and tidal motions and persuasive evidence of inertial instability and wave-filtering processes. Vertical velocities at high frequencies are comparable to those observed at other locations. Hourly mean horizontal motions and momentum fluxes are Iikewise large and variable, exhibiting enormous vertical shears and strong modulation of the wave spectrum and momentum fluxes at higher frequencies. Daily mean profiles revea! persistent structures with vertical scales of -6-10 km, vertical shears ofthe meridional velocity of -0.03 s-1, and large mean momentum fluxes. Also discussed are the implications of these observations for wave forcing and instability in the equatorial middle atmosphere.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationFritts, D. C., Yuan, L., Hitchman, M. H., Coy, L., Kudeki, E., & Woodman, R. F. (1992). Dynamics of the equatorial mesosphere observed using the Jicamarca MST radar during June and August 1987.==$Journal of the Atmospheric Sciences, 49$==(24), 2353-2371. https://doi.org/10.1175/1520-0469(1992)049<2353:DOTEMO>2.0.CO;2es_ES
dc.identifier.doihttps://doi.org/10.1175/1520-0469(1992)049<2353:DOTEMO>2.0.CO;2es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of the Atmospheric Scienceses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/1757
dc.language.isoenges_ES
dc.publisherAmerican Meteorological Societyes_ES
dc.relation.ispartofurn:issn:0739-0572
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttps://creativecommons.org/licences/by/4.0/es_ES
dc.subjectIonospherees_ES
dc.subjectAtmospheric Physicses_ES
dc.subjectMesospherees_ES
dc.subjectWeather Radares_ES
dc.subjectAtmospheric Waveses_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleDynamics of the equatorial mesosphere observed using the Jicamarca MST radar during June and August 1987es_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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