Observations of E region field-aligned irregularities just outside the equatorial electrojet region

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dc.contributor.authorChau Chong Shing, Jorge Luis
dc.contributor.authorWoodman Pollitt, Ronald Francisco
dc.contributor.authorFlores, L.A.
dc.date.accessioned2016-11-08T05:53:05Z
dc.date.accessioned2017-12-21T19:41:40Z
dc.date.available2016-11-08T05:53:05Z
dc.date.available2017-12-21T19:41:40Z
dc.date.issued2000
dc.description.abstractWe have used the Piura VHF radar (5° 12’S, 80°38’W, ~7.5°N dip latitude), just outside the equatorial electrojet region, in northern Perú (see Figure 1) to gather echoes from 3-m E region field-aligned irregularities (FAI). Our observations are based on short campaigns of few consecutive days taken since 1995 at different times of the year. E region FAIs over Piura are confined to the 95-120 km altitude and present spectral characteristics similar to type 2 equatorial electrojet (EEJ) echoes. However, despite of being at only 7°N dip latitude, they appear mainly at nighttime and early morning, and thus do not present a temporal similarity to the EEJ. We observe the existence of two well-defined types of echoes: 1) lower E region echoes (95-105 km), and upper E region echoes (105-120 km). The lower echoes present a layering characteristic while the upper layer is more structured. In this latter region, the so-called quasiperiodic (QP) echoes have been observed with positive, vertical, and negative slopes and their characteristics are compared to those observed at mid latitudes. In addition, a relationship between concurrent E region irregularities over Piura and F region irregularities over Piura and Jicamarca is presented.es_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationChau, J. L, Woodman, R. F., & Flores, L. A. (2000). Observations of E region field-aligned irregularities just outside the equatorial electrojet region.es_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/523
dc.language.isoenges_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttps://creativecommons.org/licences/by/4.0/es_ES
dc.subjectE Regiones_ES
dc.subjectEquatorial Electrojetes_ES
dc.subjectEchoeses_ES
dc.subjectRadares_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleObservations of E region field-aligned irregularities just outside the equatorial electrojet regiones_ES
dc.typeinfo:eu-repo/semantics/workingPaperes_ES

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