Mostrar el registro sencillo del ítem Chau Chong Shing, Jorge Luis Woodman Pollitt, Ronald Francisco 2019-01-21T11:40:14Z 2019-01-21T11:40:14Z 1999-07-01
dc.identifier.citation Chau, J. L., & Woodman, R. F. (1999). Low-latitude quasiperiodic echoes observed with the Piura VHF radar in the E region.==$Geophysical Research Letters, 26,$==14, 2167-2170. es_ES
dc.identifier.issn 19448007
dc.description.abstract “We present the first quasiperiodic (QP) echoes from 3‐m E region field‐aligned irregularities observed in the Southamerican sector, just outside the magnetic equator (7.5°N geomagnetic). These QP echoes occur only at night and between 105 and 120 km. In general, Piura QP echoes present periods close to the Brunt‐Väisälä period (5 to 10 min), striations with positive slopes and altitude rates of 20‐25 m s−1 (upward/northward), striations spacings of 3 to 10 km, and downward/southward Doppler velocities. These results are compared to midlatitude QP echoes from 3‐ and 6‐m irregularities observed between 13.3°N and 46.7°N geomagnetic. We found that the general characteristics that are common to our observations and other QP observations are the nighttime occurrence and the periods close to the Brunt‐Väisälä period. On the other hand, the discrepancies with some of the QP echoes observed at mid‐latitudes are found in the slope and spacing of the striations, the mean phase velocities, and the mean altitude location of the E layer containing the striations”. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.rights.uri es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Electrojet ecuatorial es_ES
dc.subject Ecos es_ES
dc.subject Región E es_ES
dc.title Low-latitude quasiperiodic echoes observed with the Piura VHF radar in the E region es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Resultados es_ES
dc.subject.ocde Observación es_ES
dc.subject.ocde Perú es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1029/1999RS900027 es_ES




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