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  1. 学術雑誌掲載済論文
  2. 洋雑誌

Total solar eclipse over Antarctica on 23 November 2003 and its effects on the atmosphere and snow near the ice sheet surface at Dome Fuji

https://kitami-it.repo.nii.ac.jp/records/7656
18c9f9b0-9c87-45b7-b397-abf51c7bc0f5
名前 / ファイル ライセンス アクション
No59.pdf No59.pdf (966.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-08-19
タイトル
言語 en
タイトル Total solar eclipse over Antarctica on 23 November 2003 and its effects on the atmosphere and snow near the ice sheet surface at Dome Fuji
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 Takao, Kameda

× Takao, Kameda

WEKO 39229

en Takao, Kameda

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Koji, Fujita

× Koji, Fujita

WEKO 39230

en Koji, Fujita

Search repository
Okimasa, Sugita

× Okimasa, Sugita

WEKO 39231

en Okimasa, Sugita

Search repository
Naohiko, Hirasawa

× Naohiko, Hirasawa

WEKO 39232

en Naohiko, Hirasawa

Search repository
Shuhei, Takahashi

× Shuhei, Takahashi

WEKO 39233

en Shuhei, Takahashi

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著者別名
姓名
姓名 亀田, 貴雄
言語 ja
著者別名
姓名
姓名 高橋, 修平
言語 ja
抄録
内容記述タイプ Abstract
内容記述 The Moon cast a long shadow over Antarctica on 23 November 2003 in a total solar eclipse. The eclipse was observed at Dome Fuji Station, located at the highest point of East Dronning Maud Land, Antarctica, and lasted 1 h 41 min 37 s in a cloudless condition, during which the Sun was completely obscured for 1 min 43 s. This was the first total solar eclipse to be observed in the Antarctic ice sheet. During the eclipse at Dome Fuji, the air temperature at 1.5 m above the snow surface and the subsurface snow temperature decreased by 3.0 K and 1.8 K, respectively. Estimated surface snow temperatures decreased by 4.6 K. Atmospheric pressure and wind direction did not change, but the wind speed possibly decreased by 0.3 m/s with decreasing air temperature; natural variations in wind speed before and after the eclipse made it difficult to identify a true effect of the solar eclipse. Variations of energy components (net shortwave and longwave radiations, sensible and latent heat fluxes, and geothermal heat) during the eclipse were investigated. The total loss of global solar radiation during the eclipse was 0.60 MJ m?2, equaling 1.6% of the total daily global solar radiation. Regional effects of the eclipse due to a reduction of global solar radiation for air temperature and snow temperature ranged from 0.015 to 0.020 K (W m?2)?1. We additionally examined the relation between eclipse obscuration (the fraction of the Sun's surface area occulted by the Moon) and the reduction of global solar radiation from the first to second contacts. The eclipse was also observed from space by the Moderate Resolution Imaging Spectroradiometer (MODIS) sensors onboard NASA's Terra and Aqua satellites. The observational results of this study will contribute to detailed model calculations for clarifying the meteorological effects of eclipses.
書誌情報 Journal of Geophysical Research

巻 114, 号 D18115, p. 1-15, 発行日 2009-09
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://doi.org/10.1029/2009JD011886
権利
権利情報 Copyright 2009 by the American Geophysical Union.
出版者
出版者 American Geophysical Union.
関連サイト
URL http://www.igsoc.org/
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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