海氷上冠雪のマイクロ波放射伝達モデルの誘導と評価
書誌事項
- タイトル別名
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- Derivation and Evaluation of Microwave Radiative Transfer Model of Snow Layer on Sea Ice.
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説明
This paper proposes a microwave radiative tansfer model in snow cover on sea ice. The radiation propagating at an arbitrary depth in the snow layer is assumed diffuse radiation due to multiple scattering effect by snow particle based on observation. The model reasonably explains that the surface brightness temperature of the snow layer monotonously increases toward a symptotic value with increase in snow depth. Backward-scattering and absorption coefficients of the snow layer to diffuse microwave radiation were determined, applying observed brightness temperature. They are 1.16×10-3 and 8.27×10-3 cm-1 at 6.7 GHz, and 7.38×10-3 and 3.41×10-2 cm-1 at 18.6 GHz. Reflectivities of sufficient deep snow layer at 6.7 and 18.6 GHz were estimated from the model, and they are 0.068 and 0.098, respectively.
収録刊行物
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- 日本リモートセンシング学会誌
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日本リモートセンシング学会誌 14 (1), 3-14, 1994
一般社団法人 日本リモートセンシング学会
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詳細情報 詳細情報について
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- CRID
- 1390001204667422336
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- NII論文ID
- 130003638373
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- ISSN
- 18831184
- 02897911
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
