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dc.contributor.author Kagan, L. M.
dc.contributor.author Kissack, R. S.
dc.contributor.author Kelley, M. C.
dc.contributor.author Cuevas, R.
dc.date.accessioned 2018-10-31T13:32:21Z
dc.date.available 2018-10-31T13:32:21Z
dc.date.issued 2008-02-09
dc.identifier.issn 1944-8007
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/3251
dc.description.abstract "An unexpected and drastic drop in the phase velocity Vph of Farley‐Buneman (FB) waves with increasing altitude was observed in the equatorial electrojet over Jicamarca. The effect was detected with the newly employed 430‐MHz radar looking vertically. The decrease in Vph was 67 m/s and 36 m/s over 2.4 km for the FB waves moving towards and away from the radar, respectively. By contrast, the 430‐MHz data from 20° west displayed little dependence on altitude. Simultaneous observations with a 50‐MHz radar at 23° and 51° west also displayed little change of Vph with altitude. We show that electron inelastic cooling which defines gradual transition from super‐adiabatic to isothermal processes at 50 MHz (used in majority of observations), becomes unimportant at higher frequencies. The effect is evinced at radar frequencies ≥150 MHz and requires altitude resolution <2 km to be observed. Averaging over >7 km at oblique incidence masks the effect". es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Geophysical Research Letters es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.rights.uri http://creativecommons.org/licences/restrictedAccess es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Inestabilidades del plasma es_ES
dc.subject Electrochorro ecuatorial es_ES
dc.subject Radar--Perú--Observaciones es_ES
dc.subject Radar--Perú--Mediciones es_ES
dc.subject Ionósfera--Observaciones es_ES
dc.subject Ionósfera--Investigación--Perú es_ES
dc.title Unexpected rapid decrease in phase velocity of submeter Farley-Buneman waves with altitude es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Observación es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Medición es_ES
dc.subject.ocde Altitud es_ES
dc.subject.ocde Perú es_ES
dc.subject.ocde Geofísica es_ES
dc.subject.ocde Teoría es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1029/2007GL032459 es_ES

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