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Dependence of thermal infrared emissive behaviors of snow cover on the surface snow type
https://jaxa.repo.nii.ac.jp/records/22565
https://jaxa.repo.nii.ac.jp/records/22565526e07a4-0bc1-45c1-a1ea-598145e42e26
名前 / ファイル | ライセンス | アクション |
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PA1510067000.pdf (4.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-08-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dependence of thermal infrared emissive behaviors of snow cover on the surface snow type | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | spectral emissivity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | snow and ice | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermal infrared | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface temperature | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | snow grain size | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hori, Masahiro
× Hori, Masahiro× Aoki, Teruo× Tanikawa, Tomonori× Kuchiki, Katsuyuki× Niwano, Masashi× Yamaguchi, Satoru× Matoba, Sumito |
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著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
Meteorological Research Institute | ||||||
著者所属(英) | ||||||
en | ||||||
National Research Institute for Earth Science and Disaster Prevention | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University | ||||||
出版者 | ||||||
出版者 | 日本雪氷学会 | |||||
出版者(英) | ||||||
出版者 | Japanese Society of Snow and Ice | |||||
書誌情報 |
en : Bulletin of Glaciological Research 巻 32, p. 33-45, 発行日 2014 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The potential of the thermal infrared (TIR) remote sensing for discriminating surface snow types was examined by analyzing TIR radiances acquired from space over the Greenland ice sheet. The brightness temperature difference (BTD) between TIR wavelengths of 11 and 12μm was found to increase in accordance with in situ observed evolutions of surface snow type. Spatial and temporal distributions of BTD over the entire ice sheet indicated that BTD has a sensitivity of about 1.2 K for variations of the possible snow types. The observed behaviors of BTD were coincident with those predicted by a radiative transfer calculation using previous in situ measured snow emissivities, although some biases on the order of 0.1-0.3 K remain. The dependence of BTD on the surface snow type was also consistent with the behaviors of snow reflectance at the shortwave infrared (SWIR) wavelength 1.6μm, which is a measure of snow grain size, except for the case of melting wet snow. The inconsistency in the wet snow case was considered to be due to the different optical responses of the TIR and SWIR signals to wet snow, which suggested the possibility of using TIR signals to discriminate wet/dry conditions of snow cover in an old stage. As a result, it is determined that TIR remote sensing has potential not only as an approach supplementary to the SWIR method for assessing surface snow types in daytime but also as the only method for simultaneous retrieval of snow type and surface temperature in nighttime. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1345-3807 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11582242 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.5331/bgr.32.33 | |||||
関連名称 | info:doi/10.5331/bgr.32.33 | |||||
権利 | ||||||
権利情報 | ©2014 Japanese Society of Snow and Ice | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1510067000 |