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  1. 学術雑誌掲載済論文
  2. 洋雑誌

Spectral degree of linear polarization and neutral points of polarization in snow and ice surfaces

https://kitami-it.repo.nii.ac.jp/records/2000420
https://kitami-it.repo.nii.ac.jp/records/2000420
af296a92-9c23-4dde-8719-775665dabcbf
名前 / ファイル ライセンス アクション
1-s2.0-S0022407321003381-main.pdf 1-s2.0-S0022407321003381-main.pdf (6.4 MB)
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2023-04-20
タイトル
言語 en
タイトル Spectral degree of linear polarization and neutral points of polarization in snow and ice surfaces
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 Tomonori Tanikawa

× Tomonori Tanikawa

en Tomonori Tanikawa

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Kazuhiko Masuda

× Kazuhiko Masuda

en Kazuhiko Masuda

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Hiroshi Ishimoto

× Hiroshi Ishimoto

en Hiroshi Ishimoto

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Teruo Aoki

× Teruo Aoki

en Teruo Aoki

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Masahiro Hori

× Masahiro Hori

en Masahiro Hori

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Masashi Niwano

× Masashi Niwano

en Masashi Niwano

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Akihiro Hachikubo

× Akihiro Hachikubo

en Akihiro Hachikubo

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Sumito Matoba

× Sumito Matoba

en Sumito Matoba

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Konosuke Sugiura

× Konosuke Sugiura

en Konosuke Sugiura

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Takenobu Toyota

× Takenobu Toyota

en Takenobu Toyota

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Nozomu Ohkawara

× Nozomu Ohkawara

en Nozomu Ohkawara

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Knut Stamnes

× Knut Stamnes

en Knut Stamnes

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抄録
内容記述タイプ Abstract
内容記述 The properties of light reflected from snow and ice surfaces are important for the understanding of light
scattering theory and the interpretation of remote sensing in the cryosphere. Spectral measurements
of the degree of linear polarization (DoLP) and its related Stokes parameters Pq = −Q/I and Pu = U/I of
Stokes vector IS = [I Q U V]T were made for various snow and ice surfaces in Hokkaido, Japan. The measurement results indicated that the angular dependence on both the viewing angle and azimuth angle
in the DoLP, Pq and Pu was significant especially in the shortwave infrared (SWIR) regions. In addition,
an important finding here is that the measurements revealed for the first time the existence of neutral
points of Pq and Pu in the snow and bare ice surface. The SWIR polarization features can be explained by
the single scattering properties of snow/ice or surface reflection associated with surface scattering. For
the snow cases, the DoLP was represented by the measurement geometry and the scattering phase matrix while for the bare ice case, the DoLP was represented by the measurement geometry and the Fresnel
reflection matrix. An additional remark is that the angular dependence of the neutral points was linked
exclusively to the measurement geometry regardless of snow particle size, shape and scattering/absorbing
inclusions in the ice. In contrast, the polarization in the visible regions was so small but remained detectable. However, the angular dependence of the neutral points was somewhat different from that in
near infrared and SWIR regions. These results suggested that the neutral points depend on the polarization magnitude and the plane of polarization that related to the multiple scattering in the snow and
atmosphere. The polarimetric measurements related to the neutral points are expected to be useful for
the retrieval of new snow/ice physical parameters
言語 en
書誌情報 en : Journal of Quantitative Spectroscopy & Radiative Transfer

巻 273, p. 107845
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.jqsrt.2021.107845
権利
言語 en
権利情報 © 2021 The Authors.
出版者
言語 en
出版者 Elsevier
著者版フラグ
言語 en
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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