Diurnal variation of atmospheric electric field at the summit of Mount Fuji, Japan, distinctly different from the Carnegie curve in the summertime

Masashi Kamogawa, Yuko Suzuki, Rikuma Sakai, Hironobu Fujiwara, Tatsuo Torii, Yoshihiro Kakinami, Yasuyuki Watanabe, Ryoe Sato, Satoshi Hashimoto, Hiroshi Okochi, Kazuhiko Miura, Hiroshi Yasuda, Yoshiaki Orihara, Tomoyuki Suzuki

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    In fair weather, a clear diurnal variation of atmospheric electric field (AEF), which is distinctly different from the global diurnal variation, i.e., Carnegie curve, was observed during the summer time (July and August) of the year 2010 and 2011 at the summit of Mount Fuji, Japan (3776 m in altitude). The variation of the AEF at the summit showed a local time dependent feature, which means that the AEF increased at sunrise and decreased at sunset. This local diurnal variation is known as a mountain variation. The intensity of AEF in the daytime reached 1.5-3 times larger than that in the nighttime. From the multipoint observations of cloud images and AEF, the mountain variation was found to be attributable to the AEF generated by the positively charged top of a horizontally extensive sea of clouds below the summit. Since the sea of clouds grows with the temperature rise, the AEF variation follows local time.

    Original languageEnglish
    Pages (from-to)3019-3023
    Number of pages5
    JournalGeophysical Research Letters
    Volume42
    Issue number8
    DOIs
    Publication statusPublished - 2015 Apr 28

    Fingerprint

    diurnal variations
    diurnal variation
    electric field
    Japan
    electric fields
    curves
    mountains
    sunrise
    sunset
    mountain
    daytime
    weather
    summer

    Keywords

    • atmospheric electric field
    • Carnegie curve
    • Mount Fuji
    • sea of clouds

    ASJC Scopus subject areas

    • Earth and Planetary Sciences(all)
    • Geophysics

    Cite this

    Diurnal variation of atmospheric electric field at the summit of Mount Fuji, Japan, distinctly different from the Carnegie curve in the summertime. / Kamogawa, Masashi; Suzuki, Yuko; Sakai, Rikuma; Fujiwara, Hironobu; Torii, Tatsuo; Kakinami, Yoshihiro; Watanabe, Yasuyuki; Sato, Ryoe; Hashimoto, Satoshi; Okochi, Hiroshi; Miura, Kazuhiko; Yasuda, Hiroshi; Orihara, Yoshiaki; Suzuki, Tomoyuki.

    In: Geophysical Research Letters, Vol. 42, No. 8, 28.04.2015, p. 3019-3023.

    Research output: Contribution to journalArticle

    Kamogawa, M, Suzuki, Y, Sakai, R, Fujiwara, H, Torii, T, Kakinami, Y, Watanabe, Y, Sato, R, Hashimoto, S, Okochi, H, Miura, K, Yasuda, H, Orihara, Y & Suzuki, T 2015, 'Diurnal variation of atmospheric electric field at the summit of Mount Fuji, Japan, distinctly different from the Carnegie curve in the summertime', Geophysical Research Letters, vol. 42, no. 8, pp. 3019-3023. https://doi.org/10.1002/2015GL063677
    Kamogawa, Masashi ; Suzuki, Yuko ; Sakai, Rikuma ; Fujiwara, Hironobu ; Torii, Tatsuo ; Kakinami, Yoshihiro ; Watanabe, Yasuyuki ; Sato, Ryoe ; Hashimoto, Satoshi ; Okochi, Hiroshi ; Miura, Kazuhiko ; Yasuda, Hiroshi ; Orihara, Yoshiaki ; Suzuki, Tomoyuki. / Diurnal variation of atmospheric electric field at the summit of Mount Fuji, Japan, distinctly different from the Carnegie curve in the summertime. In: Geophysical Research Letters. 2015 ; Vol. 42, No. 8. pp. 3019-3023.
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