极地研究 ›› 1999, Vol. 10 ›› Issue (2-English): 95-100.
Masaru Ayukawa1, Kazuo Makita2, Natsuo Sato1, Masayuki Kikuchi1, Yang Huigen1,3, Liu Ruiyuan3 and Hu Hongqiao3,4
Masaru Ayukawa1, Kazuo Makita2, Natsuo Sato1, Masayuki Kikuchi1, Yang Huigen1,3, Liu Ruiyuan3 and Hu Hongqiao3,4
摘要:
Day-side aurora phenomena are examined by using TV image data obtained at Ny-Alesund in Svalbard, Godhavn in Greenland and Zhongshan Station, Antarctica. Results are summarized as follows. During the quiet period, in the pre-and post-noon sectors: (1) Weak arc (Sun-aligned arc), (2) Corona aurora and (3) Band aurora are observed in these stations. During disturbed period,Corona aurora and Band aurora are also observed in the pre- and post-noon sectors. However, bright discrete aurora instead of weak are (Sun-aligned arc) develops from thc night side oval in the dawn and dusk sectors. Pre-noon corona and post-noon band aurora are observed in the lower latitude as compared with the location of those auroras during the quiet period.