Spatial structure of the 12-hour wave in the Antarctic as observed by radar

• Main Authors: Riggin, D. M., Fritts, D. C., Jarvis, M. J., Jones, G. O. L.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 1999
• Subjects: Antarctic; The Antarctic; Austral; Forbes; Hernandez; Antarc*
• Online Access: http://nora.nerc.ac.uk/id/eprint/503766/; http://www.terrapub.co.jp/journals/EPS/abstract/5107_08/51070621.html

We present radar measurements of the 12-hour wave, a zonal wavenumber 1 westward propagating wave that exists in the southern polar mesopause region winds (Hernandez et al, 1993; Forbes et al, 1995). MF radar measurements of the horizontal winds at McMurdo (77.8° S, 166.67° E) show that the 12-hour...