info:eu-repo/semantics/article
Satellite traces, range spread-F occurrence, and gravity wave propagation at the southern anomaly crest
Fecha
2010-05Registro en:
Cabrera, Miguel Angel; Pezzopane, Michael; Zuccheretti, Enrico ; Ezquer, Rodolfo Gerardo; Satellite traces, range spread-F occurrence, and gravity wave propagation at the southern anomaly crest
; Copernicus Publications; Annales Geophysicae; 28; 5; 5-2010; 1133-1140
0992-7689
1432-0576
CONICET Digital
CONICET
Autor
Cabrera, Miguel Angel
Pezzopane, Michael
Zuccheretti, Enrico
Ezquer, Rodolfo Gerardo
Resumen
Abstract. Range spread-F (RSF) and occurrence of "satellite" traces prior to RSF onset were studied at the southern peak of the ionospheric equatorial anomaly (EA). Ionograms recorded in September 2007 at the new ionospheric station of Tucumán, Argentina (26.9° S, 294.6° E, dip latitude 15.5° S), by the Advanced Ionospheric Sounder (AIS) developed at the Istituto Nazionale di Geofisica e Vulcanologia (INGV), were considered. Satellite traces (STs) are confirmed to be a necessary precursor to the appearance of an RSF trace on the ionograms. Moreover, an analysis of isoheight contours of electron density seems to suggest a relationship between RSF occurrence and gravity wave (GW) propagation.