Articles | Volume 36, issue 2
ANGEO Communicates
18 Apr 2018
ANGEO Communicates |  | 18 Apr 2018

Solar rotational cycle in lightning activity in Japan during the 18–19th centuries

Hiroko Miyahara, Ryuho Kataoka, Takehiko Mikami, Masumi Zaiki, Junpei Hirano, Minoru Yoshimura, Yasuyuki Aono, and Kiyomi Iwahashi

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Searching for the 27-day solar rotational cycle in lightning events recorded in old diaries in Kyoto from the 17th to 18th century
Hiroko Miyahara, Yasuyuki Aono, and Ryuho Kataoka
Ann. Geophys., 35, 1195–1200,,, 2017
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Solar 27-day rotational period detected in wide-area lightning activity in Japan
Hiroko Miyahara, Chika Higuchi, Toshio Terasawa, Ryuho Kataoka, Mitsuteru Sato, and Yukihiro Takahashi
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Stereoscopic determination of all-sky altitude map of aurora using two ground-based Nikon DSLR cameras
R. Kataoka, Y. Miyoshi, K. Shigematsu, D. Hampton, Y. Mori, T. Kubo, A. Yamashita, M. Tanaka, T. Takahei, T. Nakai, H. Miyahara, and K. Shiokawa
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Old diaries kept in Japan tell us a surprising fact. The 27-day solar rotational period in thunder and lightning activities had been persistent for the past 300 years. The intensity is found to be more prominent as solar activity increases. The physical mechanism of the Sun–Climate connection is yet uncertain, an important link surely exists between the solar activity and terrestrial climate even at a meteorological timescale.